[go: up one dir, main page]

WO2011009620A1 - Batterie au lithium-ion - Google Patents

Batterie au lithium-ion Download PDF

Info

Publication number
WO2011009620A1
WO2011009620A1 PCT/EP2010/004503 EP2010004503W WO2011009620A1 WO 2011009620 A1 WO2011009620 A1 WO 2011009620A1 EP 2010004503 W EP2010004503 W EP 2010004503W WO 2011009620 A1 WO2011009620 A1 WO 2011009620A1
Authority
WO
WIPO (PCT)
Prior art keywords
ion
lithium
battery according
separator
microns
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2010/004503
Other languages
German (de)
English (en)
Inventor
Joerg Kaiser
Andreas Gutsch
Claus-Rupert Hohenthanner
Tim Schaefer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Li Tec Battery GmbH
Original Assignee
Li Tec Battery GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Li Tec Battery GmbH filed Critical Li Tec Battery GmbH
Publication of WO2011009620A1 publication Critical patent/WO2011009620A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H01M50/434—Ceramics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a secondary battery, in particular, a lithium-ion battery having a high rapid-charge capability with high safety.
  • US 2006/0134524 A1 proposes a secondary battery with a positive electrode containing lithium iron phosphate with olivine structure.
  • a separator separating the positive electrode from the negative electrode a porous film of a synthetic resin such as a polyolefin and / or a ceramic porous film is used.
  • US 2007/0254209 A1 proposes a secondary battery with a positive electrode containing lithium iron phosphate with olivine structure, wherein a polyethylene film is used as a separator, on which there is a porous layer containing inorganic particles.
  • US 2007/0284159 A1 discloses a secondary battery having a positive electrode which may contain lithium iron phosphate having olivine structure, wherein as a separator, a non-woven fiber of a synthetic resin can be used.
  • DE 11 2007 001 410 T5 discloses a lithium secondary battery which may contain lithium iron phosphate in the positive electrode and which has as a separator a porous material, a nonwoven fabric or the like.
  • DE 10 2007 024 394 discloses an energy store which may contain lithium iron phosphate in the positive electrode, the separator being selected from polyolefins, ceramic-coated hydrocarbons, fiberglass, cellulose-based materials.
  • Secondary batteries are used as a driving force for mobile information devices because of their high energy density and high capacity.
  • such batteries are also used for tools, electric cars and hybrid cars. Consequently, not only are high demands on fast-charging capacity, capacity and energy density placed on such batteries, but in particular on safety and reliability.
  • An object of the present invention is to provide a secondary battery, in particular a lithium-ion secondary battery, which enables fast charging and at the same time has high safety.
  • This object is achieved with a lithium-ion battery, which comprises:
  • a positive electrode comprising a lithium iron phosphate having olivine structure
  • separator which separates the positive and negative electrodes and is permeable to lithium ions, the separator being a nonwoven fabric of nonwoven, non-electrically conductive polymer fibers coated on one or both sides with an ion-conducting inorganic material;
  • lithium-ion battery and “lithium-ion secondary battery” are used interchangeably.
  • the terms also include the terms “lithium battery”, “lithium ion secondary battery” and “lithium ion cell”.
  • a lithium-ion battery generally consists of a serial or series connection of individual lithium-ion cells. This means that the term “lithium-ion battery” is used as a generic term for the terms mentioned in the prior art.
  • the term "positive electrode” means the electrode which, when the battery is connected to a consumer, for example an electric motor, is capable of accepting electrons, that is to say the cathode.
  • the term “negative electrode” means the electrode used in the present invention Operation is able to deliver electrons, thus representing the anode.
  • a lithium iron phosphate with olivine structure of the empirical formula LiFePO 4 can be used.
  • the lithium iron phosphate contains carbon to increase the conductivity.
  • the positive electrode preferably contains the lithium iron phosphate in the form of nanoparticles.
  • the nanoparticles can take any shape, that is, they can be coarse-spherical or elongated.
  • the lithium iron phosphate has a particle size measured as D 95 value of less than 15 microns. Preferably, the particle size is less than 10 microns.
  • the lithium iron phosphate has a particle size measured as D 95 -WeIi between 0.005 .mu.m to 10 .mu.m. In a further embodiment, the lithium iron phosphate has a particle size measured as D 95 value of less than 10 ⁇ m, the D 50 value being 4 ⁇ m ⁇ 2 ⁇ m and the Di O value being less than 1.5 ⁇ m.
  • the reported values were determined by measurement using static laser light scattering (laser diffraction, laser diffractometry) as known in the art.
  • the negative electrode may be made of a variety of materials suitable for use with a lithium ion electrolyte battery.
  • the negative electrode may contain lithium metal or lithium in the form of an alloy, either in the form of a foil, a grid, or in the form of particles held together by a suitable binder.
  • the use of lithium metal oxides such as lithium titanium oxide is also possible. In principle, all materials that are capable of forming lithium intercalation compounds can be used.
  • Suitable materials for the negative electrode then include For example, graphite, synthetic graphite, carbon black, mesocarbon, doped carbon, fullerenes, niobium pentoxide, tin alloys, titanium dioxide, tin dioxide, and mixtures of these substances.
  • the lithium iron phosphate used and the materials used for the negative electrode i. A. held together by a binder holding these materials on the electrode.
  • a binder holding these materials on the electrode for example, polymeric binders can be used.
  • the binder for example, polyvinylidene fluoride, polyethylene oxide, polyethylene, polypropylene, polytetrafluoroethylene, polyacrylate, ethylene (propylene-diene monomer) copolymer (EPDM), and mixtures and copolymers thereof can be used.
  • the separator used for the battery must be permeable to lithium ions to ensure ion transport for lithium ions between the positive and negative electrodes. On the other hand, the separator must be insulating for electrons.
  • the separator comprises a nonwoven web of nonwoven polymer fibers, also known as "nonwoven fabrics,” which are electrically nonconductive.
  • nonwoven is used interchangeably with terms such as “knitted fabric” or “felt.” Instead of the term “nonwoven Also the term “not used interwoven.
  • the nonwoven is flexible and has a thickness of less than 30 microns. Methods for producing such nonwovens are known in the art.
  • the polymer fibers are selected from the group of polymers consisting of polyacrylonitrile, polyolefin, polyester, polyimide, polyetherimide, polysulfone, polyamide, polyether.
  • Suitable polyolefins are, for example, polyethylene, polypropylene, polytetrafluoroethylene, polyvinylidene fluoride.
  • Preferred polyesters are, for example, polyethylene terephthalates.
  • the fleece contained in the separator is coated on one or both sides with an ion-conducting inorganic material.
  • coating also includes that the ionically conductive inorganic material can be located not only on one side or both sides of the web, but also within the web.
  • the ion-conducting inorganic material is in a temperature range of - 40 C C to 200 0 C ion conducting, ie ion-conducting for the lithium ions.
  • the material used for the coating is at least one compound from the group of oxides, phosphates, sulfates, titanates, silicates, aluminosilicates at least one of zirconium, aluminum or lithium.
  • the ion-conducting material comprises or consists of zirconium oxide.
  • a separator which consists of an at least partially permeable carrier, which is not or only poorly electron-conducting.
  • This support is coated on at least one side with an inorganic material.
  • an organic material is used, which is designed as a non-woven fleece.
  • the organic material is in the form of polymer fibers, preferably polymer fibers of polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • the nonwoven is coated with an inorganic ion-conducting material, which is preferably in a temperature range of - 4O 0 C to 200 0 C ion conducting.
  • the inorganic one ion-conducting material preferably comprises at least one compound from the group of oxides, phosphates, sulfates, titanates, silicates, aluminosilicates with at least one of the elements zirconium, aluminum, lithium, more preferably zirconium oxide.
  • the inorganic ion-conducting material preferably has particles with a maximum diameter of less than 100 nm.
  • Such a separator is marketed in Germany, for example, under the trade name "Separion ®" by the company Evonik AG.
  • Methods for producing such separators are known from the prior art, for example from EP 1 017 476 B1, WO 2004/021477 and WO 2004/021499.
  • Electrolytes for lithium-ion batteries contain a variety of lithium salts.
  • Preferred lithium salts have inert anions and are non-toxic.
  • Suitable lithium salts are, for example, lithium hexafluorophosphate, lithium hexafluoroarsenate, lithium bis (trifluoromethylsulfonyl imide), lithium trifluoromethanesulfonate, lithium tris (trifluoromethylsulfonyl) methide, lithium tetrafluoroborate, lithium perchlorate, lithium tetrachloroaluminate, lithium chloride, and mixtures thereof.
  • the electrolyte is present as an electrolyte solution.
  • Suitable solvents are preferably inert. Suitable solvents include, for example, propylene carbonate, dimethyl carbonate, diethyl carbonate, 2-methyltetrahydrofuran, dioxolane, tetrahydrofuran, 1,2-dimethoxyethane, ethylene carbonate, ⁇ -butyrolactone, dimethylsulfoxide, acetonitrile, formamide, dimethylformamide, nitromethane, and mixtures thereof.
  • the preparation of the lithium-ion battery according to the invention can be carried out by methods known in the art and For example, in the "Handbook of Batteries,” David Linden, Thomas B. Reddy, 3rd Edition, 2002, McGraw-Hill Verlag.
  • the lithium iron phosphate may be deposited as a powder on the electrode and compacted into a thin film, optionally using a
  • the other electrode may be laminated on the first electrode, the separator being laminated in the form of a foil beforehand on the negative or the positive electrode. It is also possible to use the positive electrode, the separator and the negative electrode simultaneously under mutual
  • shut-down temperature which is about 120 ° C.
  • break-down temperature is exceeded at about 150 to 180 ° C.
  • the battery cell now has a direct contact between the two electrodes and thus a large internal short circuit which leads to an uncontrolled reaction, which can end with an explosion of the cell, or the resulting pressure must frequently by a pressure relief valve (a rupture disc) be decomposed under fire phenomena.
  • a pressure relief valve a rupture disc
  • the separator used in the battery according to the invention comprising a nonwoven made of nonwoven polymer fibers and the inorganic coating, it can only come to shutdown (shutdown), when melted by the high temperature, the polymer structure of the support material and penetrates into the pores of the inorganic material and this thereby closing.
  • the separator does not break down (collapse) since the inorganic particles ensure that complete melting of the separator can not occur. This ensures that there are no operating states in which a large-area short circuit can occur.
  • separators can be produced that can meet the requirements for separators in high-performance batteries, especially lithium high-performance batteries.
  • the separators used for the invention also have the advantage that partially adhere to the inorganic surfaces of the separator material, the anions of the conducting salt, which leads to an improvement in the dissociation and thus to a better ion conductivity in the high current range.
  • Another not inconsiderable advantage of the separator is the very good wettability. Due to the hydrophilic ceramic coating, wetting with electrolytes takes place very rapidly, which likewise leads to improved conductivity.
  • the separator used for the battery according to the invention comprising a flexible nonwoven with a porous inorganic coating on and in this nonwoven, wherein the material of the nonwoven fabric is selected from nonwoven, non-electrically conductive polymer fibers, is also characterized in that the nonwoven fabric has a thickness of less than 30 microns, a porosity of more than 50%, preferably from 50 to 97% and a pore radius distribution, wherein at least 50% of the pores one
  • Pore radius of 75 to 150 microns have.
  • the separator comprises a nonwoven, which has a thickness of 5 to 30 microns, preferably a thickness of 10 to 20 microns. Also particularly important is a homogeneous distribution of pore radii in the web as indicated above. An even more homogeneous pore radius distribution in the nonwoven leads in Combination with optimally matched oxide particles of a certain size to optimize the porosity of the separator.
  • the thickness of the substrate has a great influence on the properties of the separator, since on the one hand the flexibility but also the surface resistance of the electrolyte-impregnated separator depends on the thickness of the substrate.
  • the web has a porosity of 60 to 90%, more preferably from 70 to 90%.
  • the porosity is defined as the volume of the web (100%) minus the volume of the fibers of the web, ie the web
  • volume of the fleece can be calculated from the dimensions of the fleece.
  • the volume of the fibers results from the measured weight of the fleece considered and the density of the polymer fibers. The great porosity of
  • Substrate also allows a higher porosity of the separator, which is why a higher absorption of electrolytes can be achieved with the separator.
  • non-electrically conductive fibers of polymers as defined above which are preferably selected from polyacrylonitrile (PAN), polyester, such as. As polyethylene terephthalate (PET) and / or polyolefin (PO), such as. As polypropylene (PP) or polyethylene (PE), or mixtures of such polyolefins.
  • PAN polyacrylonitrile
  • PET polyethylene terephthalate
  • PO polyolefin
  • PP polypropylene
  • PE polyethylene
  • the polymer fibers of the nonwovens preferably have a diameter of from 0.1 to 10 .mu.m, more preferably from 1 to 4 .mu.m.
  • Particularly preferred flexible nonwovens have a basis weight of less than 20 g / m 2 , preferably from 5 to 10 g / m 2 .
  • the separator has a porous, electrically insulating, ceramic coating on and in the fleece.
  • the porous inorganic coating on and in the nonwoven preferably has oxide particles of the elements Li, Al, Si and / or Zr with an average particle size of 0.5 to 7 ⁇ m, preferably of 1 to 5 ⁇ m and very particularly preferably of 1 , 5 to 3 microns on.
  • the separator particularly preferably has a porous inorganic coating on and in the nonwoven, the aluminum oxide particles having an average particle size of from 0.5 to 7 ⁇ m, preferably from 1 to 5 ⁇ m and very particularly preferably from 1.5 to 3 ⁇ m which are bonded to an oxide of the elements Zr or Si.
  • the maximum particle size is preferably 1/3 to 1/5 and particularly preferably less than or equal to 1/10 of the thickness of the nonwoven used.
  • the separator preferably has a porosity of from 30 to 80%, preferably from 40 to 75% and particularly preferably from 45 to 70%.
  • the porosity refers to the achievable, ie open pores.
  • the porosity can be determined by the known method of mercury porosimetry or can be calculated from the volume and density of the starting materials used, if it is assumed that only open pores are present.
  • the separators used for the battery according to the invention are also distinguished by the fact that they can have a tensile strength of at least 1 N / cm, preferably of at least 3 N / cm and very particularly preferably of 3 to 10 N / cm.
  • the separators can preferably be bent without damage to any radius down to 100 mm, preferably down to 50 mm and most preferably down to 1 mm.
  • the high tensile strength and the good bendability of the separator have the advantage that changes occurring in the charging and discharging of a battery of the geometries of the electrodes can be through the separator, without this being damaged.
  • the flexibility also has the advantage that commercially standardized winding cells can be produced with this separator. In these cells, the electrode / separator layers are spirally wound together in a standardized size and contacted.
  • the combination of the positive electrode containing a lithium iron phosphate with the separator comprising a nonwoven fabric of non-woven polymer fibers which is coated on one or both sides with an ion-conducting inorganic material, in the lithium-ion battery according to the invention results in a lithium-ion battery, in addition to the high fast-charging capability has an extremely high safety at high capacity.
  • This combination is extremely beneficial for use as a driving force for mobile information devices, tools, electric powered automobiles, and hybrid car automobiles.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Cell Separators (AREA)

Abstract

L’invention concerne une batterie au lithium-ion comprenant : (i) une électrode positive contenant un phosphate de fer et de lithium à structure olivine; (ii) une électrode négative; (iii) un séparateur qui sépare l’électrode positive et l’électrode négative et qui est perméable aux ions de lithium, le séparateur comprenant un non-tissé constitué de fibres polymères non tissées non électroconductrices et revêtu sur une face ou sur les deux faces d’un matériau inorganique conducteur d’ions; (iv) un électrolyte non aqueux. La batterie présente une aptitude élevée à la charge rapide à un haut niveau de sécurité.
PCT/EP2010/004503 2009-07-24 2010-07-22 Batterie au lithium-ion Ceased WO2011009620A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009034674.0 2009-07-24
DE102009034674A DE102009034674A1 (de) 2009-07-24 2009-07-24 Lithium-Ionen-Batterie

Publications (1)

Publication Number Publication Date
WO2011009620A1 true WO2011009620A1 (fr) 2011-01-27

Family

ID=43012653

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/004503 Ceased WO2011009620A1 (fr) 2009-07-24 2010-07-22 Batterie au lithium-ion

Country Status (2)

Country Link
DE (1) DE102009034674A1 (fr)
WO (1) WO2011009620A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014004789A3 (fr) * 2012-06-27 2014-07-03 Precursor Energetics, Inc. Précurseurs moléculaires pour la synthèse de matériaux de cathode contenant du lithium- fer
CN116332298A (zh) * 2023-04-19 2023-06-27 浙江理工大学 一种用于盐湖卤水中氯化锂提纯的膜组器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011017105A1 (de) * 2011-04-14 2012-10-18 Li-Tec Battery Gmbh Lithium-Ionen-Batterie mit hoher Spannung
DE102016218490A1 (de) 2016-09-27 2018-03-29 Robert Bosch Gmbh Verfahren zur Herstellung eines Folienstapels für eine Batteriezelle

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021499A2 (fr) 2002-08-24 2004-03-11 Creavis Gesellschaft Für Technologie Und Innovation Mbh Separateur electrique, son procede de production et son utilisation dans des piles haute puissance au lithium
WO2004021477A1 (fr) 2002-08-27 2004-03-11 Creavis Gesellschaft Für Technologie Und Innovation Mbh Separateur de batterie conducteur d'ions pour des batteries au lithium, son procede de production et son utilisation
US20060134524A1 (en) 2004-12-22 2006-06-22 Hideki Nakai Battery
EP1017476B1 (fr) 1998-06-03 2006-10-18 Degussa AG Materiau composite conducteur d'ions permeable aux substances, procede permettant de le produire et son utilisation
DE102005042916A1 (de) * 2005-09-08 2007-03-22 Degussa Ag Stapel aus abwechselnd übereinander gestapelten und fixierten Separatoren und Elektroden für Li-Akkumulatoren
US20070254209A1 (en) 2006-03-17 2007-11-01 Yasunori Baba Non-aqueous electrolyte battery
US20070284159A1 (en) 2006-06-13 2007-12-13 Norio Takami Storage battery system, on-vehicle power supply system, vehicle and method for charging storage battery system
DE102007024394A1 (de) 2007-05-25 2008-11-27 Robert Bosch Gmbh Elektrochemischer Energiespeicher
WO2008145034A1 (fr) * 2007-05-28 2008-12-04 Byd Company Limited Procédé d'élaboration de phosphate de lithium et de fer comme matériau actif d'anode de batterie secondaire aux ions lithium
WO2009026467A1 (fr) * 2007-08-21 2009-02-26 A123 Systems Inc. Séparateur pour pile électrochimique et procédé pour sa fabrication
DE112007001410T5 (de) 2006-06-16 2009-04-23 Sharp Kabushiki Kaisha Positivelektrode, Herstellverfahren für diese sowie Lithiumsekundärbatterie unter Verwendung derselben
EP2169756A1 (fr) * 2007-07-18 2010-03-31 Dai-Ichi Kogyo Seiyaku Co., Ltd. Batterie secondaire au lithium

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1017476B1 (fr) 1998-06-03 2006-10-18 Degussa AG Materiau composite conducteur d'ions permeable aux substances, procede permettant de le produire et son utilisation
WO2004021499A2 (fr) 2002-08-24 2004-03-11 Creavis Gesellschaft Für Technologie Und Innovation Mbh Separateur electrique, son procede de production et son utilisation dans des piles haute puissance au lithium
WO2004021477A1 (fr) 2002-08-27 2004-03-11 Creavis Gesellschaft Für Technologie Und Innovation Mbh Separateur de batterie conducteur d'ions pour des batteries au lithium, son procede de production et son utilisation
US20060134524A1 (en) 2004-12-22 2006-06-22 Hideki Nakai Battery
DE102005042916A1 (de) * 2005-09-08 2007-03-22 Degussa Ag Stapel aus abwechselnd übereinander gestapelten und fixierten Separatoren und Elektroden für Li-Akkumulatoren
US20070254209A1 (en) 2006-03-17 2007-11-01 Yasunori Baba Non-aqueous electrolyte battery
US20070284159A1 (en) 2006-06-13 2007-12-13 Norio Takami Storage battery system, on-vehicle power supply system, vehicle and method for charging storage battery system
DE112007001410T5 (de) 2006-06-16 2009-04-23 Sharp Kabushiki Kaisha Positivelektrode, Herstellverfahren für diese sowie Lithiumsekundärbatterie unter Verwendung derselben
DE102007024394A1 (de) 2007-05-25 2008-11-27 Robert Bosch Gmbh Elektrochemischer Energiespeicher
WO2008145034A1 (fr) * 2007-05-28 2008-12-04 Byd Company Limited Procédé d'élaboration de phosphate de lithium et de fer comme matériau actif d'anode de batterie secondaire aux ions lithium
EP2169756A1 (fr) * 2007-07-18 2010-03-31 Dai-Ichi Kogyo Seiyaku Co., Ltd. Batterie secondaire au lithium
WO2009026467A1 (fr) * 2007-08-21 2009-02-26 A123 Systems Inc. Séparateur pour pile électrochimique et procédé pour sa fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANDREA FEDORKOVÁ, ET AL.: "Improved lithium exchange at LiFePO4 cathode particles by coating with composite polypyrrole-polyethylene glycol layers", JOURNAL OF SOLID STATE ELECTROCHEMISTRY, vol. 13, no. 12, 6 December 2008 (2008-12-06), pages 1867 - 1872, XP002607848, DOI: 10.1007/s10008-008-0756-3 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014004789A3 (fr) * 2012-06-27 2014-07-03 Precursor Energetics, Inc. Précurseurs moléculaires pour la synthèse de matériaux de cathode contenant du lithium- fer
CN116332298A (zh) * 2023-04-19 2023-06-27 浙江理工大学 一种用于盐湖卤水中氯化锂提纯的膜组器

Also Published As

Publication number Publication date
DE102009034674A1 (de) 2011-01-27

Similar Documents

Publication Publication Date Title
EP2564461B1 (fr) Batterie lithium-soufre
WO2013017217A1 (fr) Batterie lithium-ion
EP2697844A1 (fr) Batterie lithium-ion à tension élevée
WO2011160747A1 (fr) Batterie aux ions lithium comprenant des matières d'électrode amorphes
DE102011109137A1 (de) Lithiumionen-Batterie
DE102016105120B4 (de) Sekundärbatterie mit nicht-wässrigem Elektrolyt
WO2013135353A1 (fr) Séparateur contenant du graphène pour batteries lithium-ion
WO2011157489A1 (fr) Cellule lithium-ion
DE102012023294A1 (de) Separator für eine Lithium-lonen-Batterie sowie Lithium-lonen-Batterie enthaltend den Separator
EP2652820A1 (fr) Cellule électrochimique
EP2548241A1 (fr) Cellule lithium-ion dotée d'une protection intrinsèque contre tout emballement thermique
EP2572399A1 (fr) Additif pour électrolytes dans des piles à ions lithium rechargeables
EP2514019B1 (fr) Batterie lithium-ion
WO2013135351A1 (fr) Graphène dans des batteries lithium-ion
EP2422390A1 (fr) Accumulateur électrochimique au titanate de lithium
WO2013020661A1 (fr) Accumulateur au lithium-ion et procédé de fabrication d'un accumulateur au lithium-ion
DE102013200848A1 (de) Sicherheitsverbessertes galvanisches Element
WO2011009620A1 (fr) Batterie au lithium-ion
DE102013018235A1 (de) Elektrochemische Zelle
WO2012152357A1 (fr) Électrode pour batteries lithium-ion
DE102016217397A1 (de) Elektrodenstapel mit Randbeschichtung
WO2015000579A1 (fr) Séparateur pour batterie lithium-ion, et batterie lithium-ion contenant ce séparateur
DE102014001025A1 (de) Elektrochemische Zelle
EP3467926B1 (fr) Matériau composite renforcé par des fibres destiné à être utilisé en tant que séparateur dans une cellule solide électrochimique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10739858

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10739858

Country of ref document: EP

Kind code of ref document: A1