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WO1997019481A1 - Accumulateur solide a electrode negative de carbone hydrogene desordonnee - Google Patents

Accumulateur solide a electrode negative de carbone hydrogene desordonnee Download PDF

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Publication number
WO1997019481A1
WO1997019481A1 PCT/US1996/018644 US9618644W WO9719481A1 WO 1997019481 A1 WO1997019481 A1 WO 1997019481A1 US 9618644 W US9618644 W US 9618644W WO 9719481 A1 WO9719481 A1 WO 9719481A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
battery
electrode material
solid state
insulating
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/US1996/018644
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English (en)
Inventor
Stanford R. Ovshinsky
Rosa Young
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.)
Ovonic Battery Co Inc
Original Assignee
Ovonic Battery Co Inc
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 Ovonic Battery Co Inc filed Critical Ovonic Battery Co Inc
Priority to EP96941420A priority Critical patent/EP0867050A4/fr
Priority to AU10569/97A priority patent/AU1056997A/en
Publication of WO1997019481A1 publication Critical patent/WO1997019481A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562—Solid materials
    • 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
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/14—Cells with non-aqueous electrolyte
    • H01M6/18—Cells with non-aqueous electrolyte with solid electrolyte
    • H01M6/188—Processes of manufacture
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates generally to solid state ionic conductors and more specifically to electrically insulating ionic conductors useful as solid state electrolyte and thin-film all solid state batteries employing these ionic conductors
  • Rechargeable batteries are used in almost every aspect of daily life
  • a wide variety of industrial, commercial and consumer applications exist Larger capacity battery uses include such applications as fork lifts, golf carts, uninterruptable power supplies for protection of electronic data storage, and even energy storage for power production facilities
  • weight is a significant factor Because a large component of the total weight of the vehicle is the weight of the batteries, reducing the weight of the cells is a significant consideration in designing batteries to power electric vehicles
  • a rechargeable electrochemical cell is ideally suited to serve as a portable power source due to its small size, light weight, high power capacity and long operating life
  • a rechargeable cell may operate as an "install and forget" power source With the exception of periodic charging, such a rechargeable cell typically performs without attention and rarely becomes the limiting factor in the life of the device it powers
  • Present rechargeable battery systems can be classified into two groups those employing liquid electrolytes and those employing solid electrolytes
  • Liquid electrolyte systems have been around for many decades and are the most well known to the general public Examples of liquid electrolyte rechargeable battery systems include lead-acid, nickel cadmium, and the more recent nickel-metal hydride systems A more recent advancement is the solid electrolyte rechargeable battery systems
  • the solid electrolyte devices have several distinct advantages over those based on liquid electrolytes These include (1 ) the capability of pressure-packaging or hard encapsulation to yield extremely rugged assemblies, (2) the extension of the operating temperature range since the freezing and/or boi ng-off of the liquid phase, which drastically affect the device performance when employing liquid electrolytes are no longer a consideration, (3) solid electrolyte devices are truly leak-proof, (4) they have long shelf life due to the prevention of the corrosion of electrodes and of loss of solvent by drying out which occur when using liquid electrolytes, (5) solid electrolytes permit micro-miniaturization, and (6) the do not require heavy, rigid battery cases which are essentially "dead weight" because they provide no additional capacity to
  • Oxide ion conductors such as zirconia are operated at high temperatures due to their low conductivity at ambient temperatures
  • Chloride ion conductors such as PbCI 2 and BaCI 2 have similar temperature restrictions
  • Silver ion such as AgBr, AgCI, and Agl also show low room temperature ionic conductivity
  • lithium-polymer batteries have received the most widespread interest Reports in 1979 that lithiated poly ⁇ ethylene-oxide (PEO) possesses lithium ion conductivity raised the expectations for a solid state battery employing PEO as solid electrolyte Indeed, if PEO, or other polymers, were a true solid electrolyte with practical ionic conductivities and a cationic transfer number of 1 , a stable interface with the lithium electrode and good charging uniformity could be realized The expectations, no doubt, were stimulated by the relative success of the true solid electrolyte "B" Alumina, in the Sodium Sulphur battery
  • Solid electrolytes consist of solid atomic structures which selectively conduct a specific ion through a network of sites in a two or three dimensional matrix If the activation energy for mobility is sufficiently low, the solid electrolyte can serve as both the separator and electrolyte in a battery This can allow one to fabricate an all solid state cell An important aspect of such electrolytes is that they selectively conduct only one type of ion If that ion features reversible electrochemistry with both the positive and negative electrode of the battery, and if the solid electrolyte itself is inert to the electrodes, the cell will enjoy a uniform and reversible electrochemistry with no composition change and no passivation or side
  • Lithium batteries are very poor in this respect Over discharge will result in plating lithium on the positive electrode which can result in a spontaneous chemical reaction with severe safety implications Overcharge is likely to result in electrolyte degradation that can generate some volatile gasses as well as increase cell impedance
  • Overcharge is likely to result in electrolyte degradation that can generate some volatile gasses as well as increase cell impedance
  • These problems are particularly severe for lithium cells because 1 ) degradation occurs during cycle life, therefore, even if initial capacities are matched very closely, it is unreasonable to expect that the degradation rate will be identical for all cells, 2) the cells tend to develop soft or hard shorts, thereby making it impossible to maintain the cells at the same state of charge at all times, and 3) cell capacity is dependent on temperature, therefore cells that are physically cooler due to their location will deliver less capacity than others
  • solid state battery systems of the present invention meet the requirements discussed hereinabove and provide gravimetric and volumetric energy densities of unparalleled performance
  • the battery includes a substrate material layer which provides support for the battery and at least one multilayered electrochemical cell deposited onto the substrate
  • Each cell of the battery includes a layer of negative electrode material, the negative electrode material being capable of electrochemically adsorbing and desorbing ions during charge and discharge thereof, respectively
  • the multilayered electrochemical cell additionally contains a layer of positive electrode material, the positive electrode material being capable of electrochemically desorbing and adsorbing ions during charge and discharge thereof respectively
  • the multilayered electrochemical cell contains a layer of insulating/conducting material disposed between the layer of positive electrode material and the layer of negative electrode material
  • the insulating/conducting material is electrically insulating and capable of readily conducting or transporting ions from the positive electrode to the negative electrode while the battery is charging and from the negative electrode to the positive electrode while the battery is discharging
  • That battery additionally includes an electrically conductive layer deposited on top of the last of said at least one multilayered electrochemical cells
  • the positive electrode layer includes lithium nickelate or amorphous vanadium oxide and the negative electrode mate ⁇ al includes disordered hydrogenated carbon or lithium metal
  • one electrode provides a source of lithium ions, while the other provides a source of hydrogen tons
  • the solid state lithium or lithium/proton conducting material includes a hthiated or thiated/hydrogenated electrical insulator material, which may be a hthiated or hthiated/hydrogenated silicon nitride material
  • the hthiated silicon nitride material preferably has an atomic ratio of between about 20% and about 50% lithium, between about 20% and about 40% silicon and about 20% to about 50 % nitrogen while the hthiated/hydrogenated silicon nitride material preferably has an atomic ratio of between about 10 to 40 atomic % lithium, about 10 to 40 atomic % hydrogen, about 20 to 40 atomic % silicon, and about 20 to 50 atomic % nitrogen
  • the substrate material is formed from an electrically conductive mate ⁇ al and acts as
  • Figure 1 is a cross-sectional depiction of a first embodiment of the solid state battery of the instant invention specifically illustrating the individual layers thereof
  • Figure 2 is a cross-sectional depiction of a second embodiment of the solid state battery of the instant invention specifically illustrating the individual layers thereof, including plural electrochemical cells and current collectors therebetween
  • Figure 1 is a cross-sectional depiction of a thin-film solid state battery of the present invention
  • reference numeral 1 is the substrate of the thin-film battery
  • the substrate provides support for the battery and may also serve as the bottom electrical terminal of the battery
  • Substrate 1 may be formed from an electrically conductive metal such as aluminum, nickel, copper or stainless steel, or it may be formed from a light weight, electrically insulating polymer or ceramic material If the substrate 1 is formed of an electrically insulating material or is reactive with the battery electrode materials, then an electrically conductive bottom battery terminal layer 2 is deposited onto the substrate
  • the material used to form the battery terminal layer 2 may be an electrically conductive metal such as aluminum, nickel or copper, or may even be an electrically conductive ceramic or oxide material
  • the substrate 1 plus any battery terminal layer 2 should be only as thick as needed to perform their support and conduction functions Any additional thickness will only increase the "dead weight" of the battery Typically the total thickness of the substrate 1 plus the battery terminal layer 2 will not be greater than about
  • the thin-film negative electrode layer 3 is typically between about 1 and 15 microns thick and is formed from a material which electrochemically adsorbs and desorbs ions such as ionic hydrogen during charging and discharging thereof, respectively Typically the layer is formed from electrochemical hydrogen storage materials such as metal hydride materials These metal hydride material may be any of those already known any used in liquid electrolyte nickel-metal hydride batteries These materials may be AB 2 or AB 5 type metal hydride materials They may be amorphous, polycrystallme, microcrystalline, nanocrystalline, single crystal or multi-structural materials They may include only a single compositional phase or may include multiple compositional phases An extensive review of the known metal hydride materials useful in electrochemical cells is given in U S Patent No 5,096,667, the disclosure of which is incorporated herein by reference
  • new metal hydride systems can be developed to take advantage of the environmental differences between an alkaline liquid electrolyte system and the new thin-film solid electrolyte systems
  • a liquid electrolyte system there is generally a problem with corrosion of the electrode due to the caustic nature of the alkaline electrolyte Therefore, elements which provide corrosion resistance must be added to the negative electrode material to mitigate corrosion damage
  • the solid electrolyte system of the present invention no such corrosion problems will occur due to the absence of caustic liquids and as such, no corrosion inhibitor materials will need to be added to the negative electrode
  • metallic lithium or lithium intercalated disordered hydrogenated carbon can be used as the negative electrode layer 3
  • the positive electrode layer 5 is typically between 5 and 20 microns thick and is formed from a material which electrochemically desorbs and adsorbs ions such as ionic hydrogen during charging and discharging thereof, respectively Typically the layer is formed from a transition metal hydroxide such as nickel hydroxide material
  • the nickel hydroxide material can be any of those material known in the prior art for use in rechargeable battery systems They may also be advanced active materials like the locally ordered, disordered, high capacity, long cycle life positive electrode material disclosed in U S Patent Application Se ⁇ al No s 7/975,031 filed November 12, 1992 and 8/027,973 filed March 8, 1993, the disclosures of which are incorporated herein by reference These materials include a solid solution nickel hydroxide electrode material having a multiphase structure and at least one compositional modifier to promote said multiphase structure
  • the multiphase structure comprises at least one polycrystallme ⁇ -phase including a polycrystallme ⁇ - phase unit cell comprising spacedly disposed plates with at least one ion incorporated around
  • the positive electrode layer 5 can be formed from a material such as lithium nickelate (L ⁇ N ⁇ 0 4 ), lithium cobaltate or (L ⁇ Co0 4 ) lithium manganate (L ⁇ Mn0 4 ), vanadium oxide, titanium disulfide, etc
  • a thin-film solid state electrolyte layer 4 This layer is typically between about 0 5 and 2 microns thick, but may be as thin as 1000 Angstroms if the layer onto which it is deposited has a low degree of surface roughness
  • the type of ionic conductivity required of the solid electrolyte is dependent on the electrochemical reactions involved in the cell Since the charging cycle electrode reactions of the instant rechargeable protonic battery are M + H + + e -CHARGE> MH , and N ⁇ (OH) 2 -CHARGE> NiOOH + H + + e , the solid state electrolyte layer 4 which separates the positive electrode layer 5 and the negative electrode layer 3 must be a proton conductor That is, the solid electrolyte material must be capable of readily conducting or transporting protons from the positive electrode layer 5 to the negative electrode layer 3 while the battery is charging and from the negative electrode layer 3 to the positive electrode layer 5 while the battery is discharging The solid electrolyte layer 4 must also be electrical
  • the charging electrode reactions are
  • Solid lithium conductors useful as the ionic conductor layer 4 are hthiated silicon nitride (L ⁇ 8 S ⁇ N 4 ), lithium phosphate (L ⁇ P0 4 ), lithium titanium phosphate (L ⁇ T ⁇ P0 4 ) and lithium phosphonit ⁇ de (L ⁇ P0 4 . x N x where 0 ⁇ x ⁇ 1 )
  • a top battery terminal layer 6 is deposited on top of the positive electrode layer 5
  • the battery terminal layer 6 is typically between 1 and 5 microns thick and is formed from an electrically conductive material such as a metal or an electrically conductive ceramic or oxide Specifically, aluminum, copper or nickel may be used
  • FIG. 2 there is depicted therein a solid state battery of the instant invention containing multiple stacked electrochemical cells
  • the reference numeral of the layers of this battery correspond to those of the battery depicted in Figure 1
  • a layer of current collecting material 7 is deposited between positive electrode layer 5 or one cell and the negative electrode layer 3 of the adjacent cell
  • This layer is formed of an electrically conductive material and is typically between 1000 angstroms and 0 5 microns thick
  • this layer is formed from a metal such as aluminum, copper or nickel and is resistant to the conduction of protons
  • a one square meter multiple cell thin-film solid state battery of the type depicted in Figure 2 having 10 cells will serve as an example of the efficacy of the present design
  • Each cell contains a positive electrode layer 5 which is formed from conventional nickel hydroxide and is about 10 microns thick
  • Each cell also contains a negative electrode layer 3 of metal hydride material and is about 4 microns thick
  • each cell contains a solid state electrolyte layer 4 formed from hydrogenated silicon nitride material and is about 2 microns thick
  • current collector layers 7 which are formed of aluminum and are about 0 5 microns thick
  • the cells are deposited onto an aluminum substrate 1 which also serves as the bottom battery terminal 2
  • the substrate 1 is about 100 microns thick
  • On top of the positive electrode layer 5 of the final cell is deposited a top battery terminal layer 6 which is formed of aluminum and is about 5 microns thick
  • This battery would have a Specific Capacity calculated as follows
  • EXAMPLE 2 Another example of the solid state battery having the same structure and dimensions as that in Example 1 , but using advanced nickel hydroxide active materials and assuming about 1 7 electron transfer give a specific capacity as calculated below
  • each of the 10 cells contains a positive electrode layer 5 which is formed from lithium nickelate (L ⁇ N ⁇ 0 2 ) and is about 10 microns thick
  • Each cell also contains a negative electrode layer 3 of disordered hydrogenated carbon material and is about 4 microns thick
  • each cell contains a solid state electrolyte layer 4 formed from hthiated silicon nitride material and is about 2 microns thick
  • current collector layers 7 which are formed of aluminum and are about 0 5 microns thick
  • the cells are deposited onto an aluminum substrate 1 which also serves as the bottom battery terminal 2
  • the substrate 1 is about 100 microns thick
  • On top of the positive electrode layer 5 of the final cell is deposited a top battery terminal layer 6 which is formed of aluminum and is about 5 microns thick
  • This battery would have a Specific Capacity calculated as follows
  • each of the 10 cells contains a positive electrode layer 5 which is formed from amorphous vanadium oxide (a-V 2 0 5 ) and is about 10 microns thick
  • Each cell also contains a negative electrode layer 3 of lithium metal which is about 19 microns thick
  • each cell contains a solid state electrolyte layer 4 formed from hthiated silicon nitride material and is about 2 microns thick
  • the composition of the hthiated silicon nitride film is typically about 20 to 50 atomic % lithium, about 20 to 40 atomic % silicon, and about 20 to 50 atomic % nitrogen
  • current collector layers 7 which are formed of molybdenum and are about 0 5 microns thick
  • the cells are deposited onto an aluminum or nickel substrate 1 which also serves as the bottom battery terminal 2
  • the substrate 1 is about 50 to 100 microns thick
  • On top of the positive electrode layer 5 of the final cell is deposited a top terminal layer 6 which
  • This battery would have a Specific Capacity calculated as follows
  • Each of the 10 cells contain a positive electrode layer 5 which is formed from lithium nickelate (L ⁇ N ⁇ 0 2 ) (which can be partially or totally substituted by L ⁇ Co0 2 or L ⁇ Mn0 2 ) and is about 10 microns thick
  • Each cell also contains a negative electrode layer 3 of hydrogenated carbon material and is about 4 microns thick
  • each cell contains a solid state electrolyte layer 4 formed from hthiated/hydrogenated silicon nitride material and is about 2 microns thick
  • the composition of the hthiated/hydrogenated silicon nitride is typically about 10 to 40 atomic % lithium, about 10 to 40 atomic % hydrogen, about 20 to 40 atomic % silicon, and about 20 to 50 atomic % nitrogen
  • Between the cells are current collector layers 7 which are formed of aluminum or nickel and are about
  • This battery can be thought of as a half-charged battery That is, initially the positive electrode is L ⁇ N ⁇ 0 2 and the negative electrode is hydrogenated carbon The "as deposited" cell is in a half charged state During formation (i e full charging) hydrogen ions are transferred to the lithium nickelate material according to the following reactions

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  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Accumulateur solide comprenant un substrat (1) et au moins une cellule électrochimique multicouches déposée sur le substrat (1), chaque cellule électrochimique multicouches comprenant: une couche de matériau formant électrode négative (3) constituée de carbone hydrogéné désordonné capable d'adsorber et désorber électrochimiquement des ions lithium ou à la fois des ions lithium et hydrogène au cours de la charge et de la décharge; une couche de matériau formant électrode positive (5) capable de désorber et d'adsorber électrochimiquement les ions lithium ou à la fois les ions lithium et hydrogène au cours de la charge et de la décharge; et une couche de matériau isolant/conducteur (4) disposée entre la couche de matériau formant électrode positive (5) et la couche de matériau formant électrode négative (3); la couche de matériau isolant/conducteur (4) est électriquement isolante et capable de conduire ou de transporter des ions lithium, ou à la fois des ions lithium et des ions hydrogène depuis la couche de matériau formant électrode positive (5) vers la couche de matériau formant électrode négative (3) lorsque la batterie se charge et depuis la couche de matériau formant électrode négative (3) vers la couche de matériau formant électrode positive (5) lorsque la batterie se décharge; et une couche conductrice électriquement (6) déposée par-dessus la dernière des cellules électrochimiques multicouches, au moins au nombre de une, la couche électriquement conductrice (6) constituant une borne de la batterie.
PCT/US1996/018644 1995-11-24 1996-11-20 Accumulateur solide a electrode negative de carbone hydrogene desordonnee Ceased WO1997019481A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP96941420A EP0867050A4 (fr) 1995-11-24 1996-11-20 Accumulateur solide a electrode negative de carbone hydrogene desordonnee
AU10569/97A AU1056997A (en) 1995-11-24 1996-11-20 A solid state battery having a disordered hydrogenated carbon negative electrode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56295295A 1995-11-24 1995-11-24
US08/562,952 1995-11-24

Publications (1)

Publication Number Publication Date
WO1997019481A1 true WO1997019481A1 (fr) 1997-05-29

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EP (1) EP0867050A4 (fr)
AU (1) AU1056997A (fr)
WO (1) WO1997019481A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1177589A4 (fr) * 1999-04-02 2002-09-25 Excellatron Solid State Llc Batterie au lithium a couche mince
WO2004093223A3 (fr) * 2003-04-14 2005-06-23 Massachusetts Inst Technology Batteries a couches minces integrees sur circuits integres en silicium
US7011768B2 (en) 2002-07-10 2006-03-14 Fuelsell Technologies, Inc. Methods for hydrogen storage using doped alanate compositions
US7063918B2 (en) 2000-10-23 2006-06-20 The University Of Maryland, College Park Nanoscale solid-state polymeric battery system
US7169489B2 (en) 2002-03-15 2007-01-30 Fuelsell Technologies, Inc. Hydrogen storage, distribution, and recovery system
US7279222B2 (en) 2002-10-02 2007-10-09 Fuelsell Technologies, Inc. Solid-state hydrogen storage systems
EP1852933A4 (fr) * 2005-02-02 2008-03-19 Geomatec Co Ltd Pile secondaire solide a couche mince

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810599A (en) * 1987-03-27 1989-03-07 Japan Synthetic Rubber Co., Ltd. Structure suitable for solid electrochemical elements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5512387A (en) * 1993-11-19 1996-04-30 Ovonic Battery Company, Inc. Thin-film, solid state battery employing an electrically insulating, ion conducting electrolyte material
US5376475A (en) * 1994-03-16 1994-12-27 Ovonic Battery Company, Inc. Aqueous lithium-hydrogen ion rechargeable battery

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810599A (en) * 1987-03-27 1989-03-07 Japan Synthetic Rubber Co., Ltd. Structure suitable for solid electrochemical elements

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0867050A4 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1177589A4 (fr) * 1999-04-02 2002-09-25 Excellatron Solid State Llc Batterie au lithium a couche mince
CN100365851C (zh) * 1999-04-02 2008-01-30 艾克塞勒庄固态有限责任公司 薄锂膜电池
US7063918B2 (en) 2000-10-23 2006-06-20 The University Of Maryland, College Park Nanoscale solid-state polymeric battery system
US7169489B2 (en) 2002-03-15 2007-01-30 Fuelsell Technologies, Inc. Hydrogen storage, distribution, and recovery system
US7011768B2 (en) 2002-07-10 2006-03-14 Fuelsell Technologies, Inc. Methods for hydrogen storage using doped alanate compositions
US7279222B2 (en) 2002-10-02 2007-10-09 Fuelsell Technologies, Inc. Solid-state hydrogen storage systems
WO2004093223A3 (fr) * 2003-04-14 2005-06-23 Massachusetts Inst Technology Batteries a couches minces integrees sur circuits integres en silicium
EP1852933A4 (fr) * 2005-02-02 2008-03-19 Geomatec Co Ltd Pile secondaire solide a couche mince

Also Published As

Publication number Publication date
EP0867050A1 (fr) 1998-09-30
AU1056997A (en) 1997-06-11
EP0867050A4 (fr) 2007-07-18

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