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WO2014002857A1 - Batterie entièrement à l'état solide - Google Patents

Batterie entièrement à l'état solide Download PDF

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Publication number
WO2014002857A1
WO2014002857A1 PCT/JP2013/066907 JP2013066907W WO2014002857A1 WO 2014002857 A1 WO2014002857 A1 WO 2014002857A1 JP 2013066907 W JP2013066907 W JP 2013066907W WO 2014002857 A1 WO2014002857 A1 WO 2014002857A1
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WIPO (PCT)
Prior art keywords
positive electrode
electrode layer
solid
active material
resistivity
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Ceased
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PCT/JP2013/066907
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English (en)
Japanese (ja)
Inventor
忠朗 松村
三花 福島
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Murata Manufacturing Co Ltd
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Murata Manufacturing Co Ltd
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Priority to JP2014522570A priority Critical patent/JP5812198B2/ja
Publication of WO2014002857A1 publication Critical patent/WO2014002857A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H01M10/04—Construction or manufacture in general
    • 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
    • H01M10/02—Details
    • 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 to an all-solid battery.
  • a metal oxide such as lithium cobaltate as a positive electrode active material, a carbon material such as graphite as a negative electrode active material, and a lithium hexafluorophosphate dissolved in an organic solvent as an electrolyte that is, Organic solvent electrolytes are generally used.
  • a metal oxide such as lithium cobaltate as a positive electrode active material
  • a carbon material such as graphite as a negative electrode active material
  • a lithium hexafluorophosphate dissolved in an organic solvent as an electrolyte that is, Organic solvent electrolytes
  • the organic solvent used for the electrolyte is a flammable substance, there is a risk that the battery may ignite. For this reason, it is required to further increase the safety of the battery.
  • one measure for improving the safety of the lithium ion secondary battery is to use a solid electrolyte instead of the organic solvent electrolyte.
  • the solid electrolyte it has been studied to apply organic materials such as polymers and gels, and inorganic materials such as glass and ceramics. Among them, an all-solid secondary battery using an inorganic material mainly composed of nonflammable glass or ceramics as a solid electrolyte has been proposed and attracted attention.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2008-257962 (hereinafter referred to as Patent Document 1) describes the configuration of an all-solid lithium secondary battery including a nonflammable solid electrolyte.
  • the all-solid lithium secondary battery includes a positive electrode layer including a sulfide solid electrolyte and a sulfide positive electrode active material, a negative electrode layer, and a sulfide solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer.
  • Patent Document 1 describes that the mixing ratio (weight) of the solid electrolyte and the positive electrode active material contained in the positive electrode layer is 1: 1.
  • the positive electrode layer is made of a mixture of a sulfide solid electrolyte and a sulfide positive electrode active material, but the discharge capacity is insufficient.
  • the local reaction means a reaction in which an insertion / extraction reaction of lithium ions that progresses uniformly in the entire electrode layer (active material layer) proceeds only in a part of the electrode layer.
  • the occlusion of lithium ions concentrates on a specific part of the active material, and the utilization factor of the active material decreases. Thereby, the unit weight of the active material and the discharge capacity per unit volume are reduced.
  • an object of the present invention is to provide an all solid state battery capable of increasing the unit weight of the positive electrode active material and the discharge capacity per unit volume by suppressing the local reaction in the positive electrode layer.
  • the present inventors have found that a local reaction occurs when the difference between the mobility of lithium ions and the mobility of electrons is extremely large. That is, the present inventors controlled the positive electrode by controlling the mobility of lithium ions inserted into the positive electrode layer from the solid electrolyte layer side and the mobility of electrons entering the positive electrode layer from the current collector layer side. It was found that local reaction in the layer can be suppressed. Based on this finding, the all solid state battery according to the present invention has the following characteristics.
  • An all-solid battery according to the present invention includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer, and the positive electrode layer includes a positive electrode active material and a solid electrolyte.
  • the difference between the resistivity accompanying ion movement and the resistivity accompanying electron movement is 0 k ⁇ ⁇ cm or more and 2 k ⁇ ⁇ cm or less.
  • the resistivity associated with ion migration in the positive electrode layer is preferably 2 k ⁇ ⁇ cm or less.
  • the resistivity accompanying the electron transfer in the positive electrode layer is preferably 1 k ⁇ ⁇ cm or less.
  • the positive electrode active material includes a compound containing sulfur and lithium
  • the solid electrolyte includes sulfide
  • the weight ratio of the positive electrode active material to the solid electrolyte is within a range of 60:40 to 80:20. preferable.
  • the positive electrode active material preferably contains lithium iron sulfide.
  • the positive electrode layer preferably contains a conductive agent.
  • the unit weight of the positive electrode active material by limiting the difference between the resistivity accompanying ion movement and the resistivity accompanying electron movement within a predetermined range, the unit weight of the positive electrode active material, the discharge capacity per unit volume All-solid-state battery with high can be obtained.
  • the all solid state battery 10 of the present invention includes a positive electrode layer 11, a negative electrode layer 12, and a solid electrolyte layer 13 interposed between the positive electrode layer 11 and the negative electrode layer 12.
  • the all solid state battery 10 is formed in a rectangular parallelepiped shape, and is composed of a laminate including a plurality of flat layers having a rectangular plane.
  • the all solid state battery 10 is formed in a columnar shape and is formed of a laminated body including a plurality of disk-like layers.
  • Each of the positive electrode layer 11 and the negative electrode layer 12 includes a solid electrolyte and an electrode active material
  • the solid electrolyte layer 13 includes a solid electrolyte.
  • the difference between the resistivity accompanying ion movement and the resistivity accompanying electron movement is 0 k ⁇ ⁇ cm or more and 2 k ⁇ ⁇ cm or less, Preferably it is larger than 0 k ⁇ ⁇ cm and 2 k ⁇ ⁇ cm or less.
  • the mobility of lithium ions inserted into the positive electrode layer from the side of the solid electrolyte layer and the concentration can be reduced by making the difference between the resistivity accompanying the ion movement in the positive electrode layer and the resistivity accompanying the electron movement within the above range. It is possible to control the mobility of electrons entering the positive electrode layer from the electric layer side. Thereby, the local reaction in an electrode layer can be suppressed. As a result, the ion mobility and the electron mobility are balanced, and the active material in the positive electrode layer can be made uniform. Thereby, the utilization factor of a positive electrode active material improves, and the all-solid-state battery with a high discharge capacity per unit weight and unit volume of a positive electrode active material can be obtained.
  • the insertion / extraction reaction of lithium ions with respect to the electrode active material proceeds at the interface between the solid electrolyte and the electrode active material. That is, electrons are supplied through an electron conductive electrode active material and a conductive agent as an additive that is added as necessary, and lithium ions are supplied through the solid electrolyte to the interface with the electrode active material. .
  • supply of either lithium ions or electrons is delayed, lithium ion insertion / extraction reaction is not performed. Accordingly, the battery characteristics are deteriorated.
  • the electrode layer of an all-solid battery contains a solid electrolyte in addition to the electrode active material, but unlike the case of a non-aqueous electrolyte battery using an organic electrolyte, the lithium ion moves slowly, so the electrode layer There may be a bias in the supply of lithium ions to the entire layer. Furthermore, since the solid electrolyte is an insulator, the supply of electrons into the electrode layer may also be biased depending on the state of dispersion of the solid electrolyte in the electrode layer.
  • the insertion / extraction reaction of lithium ions does not proceed at a location where supply of either lithium ions or electrons is delayed.
  • An active material present at a location where the lithium ion insertion / extraction reaction does not proceed is not used for charge / discharge. As a result, the unit weight of the active material and the discharge capacity per unit volume are reduced.
  • the inventors of the present invention are important in improving the battery characteristics in order to improve the battery characteristics in the electrode design of the all-solid-state battery by adjusting the supply balance between lithium ions and electrons and suppressing the local reaction in the electrode layer. I found out. Based on this finding, in the all-solid-state battery 10 of the present invention, in the positive electrode layer 11, the difference between the resistivity accompanying ion migration and the resistivity accompanying electron migration is 0 k ⁇ ⁇ cm or more and 2 k ⁇ ⁇ cm or less, preferably Is larger than 0 k ⁇ ⁇ cm and limited to 2 k ⁇ ⁇ cm or less.
  • the resistivity accompanying the ion movement in the positive electrode layer 11 is 2 k ⁇ ⁇ cm or less. Moreover, it is preferable that the resistivity accompanying the electron movement in the positive electrode layer 11 is 1 k ⁇ ⁇ cm or less.
  • the positive electrode layer 11 includes, for example, lithium iron sulfide (Li 2 FeS 2 ) as a positive electrode active material containing sulfur and lithium, and a sulfide that is an ion conductive compound as a solid electrolyte, such as Li 2 S and P 2. A mixture of S 5 and the like.
  • the weight ratio of the positive electrode active material to the solid electrolyte is preferably in the range of 60:40 to 80:20.
  • the negative electrode layer 12 includes, for example, a carbon material such as spherical graphite as a negative electrode active material, and a sulfide that is an ion conductive compound as a solid electrolyte, such as a mixture of Li 2 S and P 2 S 5 .
  • the solid electrolyte layer 13 sandwiched between the positive electrode layer 11 and the negative electrode layer 12 includes, for example, a sulfide that is an ion conductive compound as the solid electrolyte, such as a mixture of Li 2 S and P 2 S 5 .
  • the positive electrode layer 11, the negative electrode layer 12, and the solid electrolyte layer 13 are each produced by compression-molding raw material powder.
  • the solid electrolyte only needs to contain at least sulfur and lithium as constituent elements.
  • a compound in addition to a mixture of Li 2 S and P 2 S 5 , for example, Li 2 S and B 2 S 3 can be used. A mixture etc. can be mention
  • the solid electrolyte preferably further contains phosphorus.
  • a compound in addition to a mixture of Li 2 S and P 2 S 5 , for example, Li 7 P Examples include 3 S 11 , Li 3 PS 4, and those in which some of these anions are oxygen-substituted.
  • the composition ratio of the elements constituting the solid electrolyte is not limited to the above-described ratio.
  • the positive electrode active material only needs to contain lithium, iron, and sulfur as constituent elements. Examples of such a compound include compounds such as Li 2.33 Fe 0.67 S 2 in addition to Li 2 FeS 2. it can. Further, other positive electrode active materials include compounds such as lithium titanium sulfide and lithium vanadium sulfide.
  • the composition ratio of the elements constituting the positive electrode active material is not limited to the above-described ratio.
  • the positive electrode layer 11 preferably contains a conductive agent.
  • the resistivity accompanying lithium ion migration in order to limit the difference between the resistivity accompanying ion migration and the resistivity accompanying electron migration within the above range, the resistivity accompanying lithium ion migration.
  • the following measures can be taken to adjust the resistivity associated with electron transfer.
  • the positive electrode active material in addition to lithium iron sulfide (Li 2 FeS 2 ), transition metal oxides (LiCoO 2 , LiMn 2 O 4 , LiFePO 4, etc.) may be used.
  • Li 2 FeS 2 lithium iron sulfide
  • transition metal oxides LiCoO 2 , LiMn 2 O 4 , LiFePO 4, etc.
  • the electron conductivity increases and the ionic conductivity decreases.
  • the ion conductivity increases and the electron conductivity decreases.
  • Electron conductivity can be imparted to the positive electrode layer without depending on the type or amount of the positive electrode active material.
  • the all-solid-state battery 10 of the present invention may be used in a form in which the battery element shown in FIGS. 1 to 3 is charged in a ceramic container, for example, as shown in FIGS. It may be used in a self-supporting form as it is.
  • Example shown below is an example and this invention is not limited to the following Example.
  • Example 1 Preparation of solid electrolyte> A solid electrolyte was prepared by mechanically milling Li 2 S powder and P 2 S 5 powder, which are sulfides.
  • Li 2 S powder and P 2 S 5 powder were weighed so as to have a molar ratio of 70:30 in an argon gas atmosphere, and placed in an alumina container.
  • An alumina ball having a diameter of 10 mm was put and the container was sealed.
  • the container was set in a mechanical milling device (Planet Ball Mill, model No. P-7, manufactured by Fritsch) and subjected to mechanical milling at a rotation speed of 370 rpm for 20 hours. Thereafter, the container was opened in an argon gas atmosphere, and 2 ml of toluene was placed in the container to seal the container. Furthermore, the mechanical milling process was performed at 200 rpm for 2 hours.
  • the slurry-like material thus obtained was filtered in an argon gas atmosphere and then vacuum-dried.
  • the obtained powder was heated at a temperature of 200 ° C. to 300 ° C. in a vacuum atmosphere to obtain a glass ceramic powder.
  • This glass ceramic powder was used as a solid electrolyte.
  • Li 2 FeS 2 manufactured by Nippon Chemical Industry Co., Ltd.
  • the positive electrode active material was pulverized by a planetary ball mill in an argon gas atmosphere.
  • a positive electrode mixture was produced by mixing the positive electrode active material and the solid electrolyte obtained above in a weight ratio of 70:30.
  • a solid electrolyte and a positive electrode mixture were placed in a mold having a diameter of 10 mm in the order of solid electrolyte / positive electrode mixture / solid electrolyte, and pressed at a pressure of 329 MPa. Thereafter, a lithium foil and a stainless steel foil having a diameter of 5 mm are superimposed on the surface of the solid electrolyte and pressed at a pressure of 36 MPa.
  • a molded body was prepared by laminating steel foils in this order. The molded body was sandwiched between stainless steel electrode plates to produce an ion resistance measurement cell A.
  • the migration resistance of lithium ions was determined.
  • the voltage was swept from 0 V to 0.1 mV, and then the cycle of returning to 0 V through ⁇ 0.1 mV was repeated several times. This cycle was repeated several times to stabilize the cell A, and the resistance value was calculated when no hysteresis occurred.
  • the resistance value of the cell A was 322 ⁇ .
  • an ion resistance measurement cell B having a structure in which stainless steel foil / lithium foil / solid electrolyte / lithium foil / stainless steel foil was laminated in this order was produced.
  • the resistance value of the cell B obtained in the same manner as above was 190 ⁇ . This resistance value corresponds to the resistance value of the solid electrolyte simple substance portion in the cell A described above.
  • the ion resistivity was calculated from the ionic resistance value 132 ⁇ of the obtained positive electrode mixture portion, the area of the positive electrode mixture layer 0.785 cm 2 , and the thickness 0.079 cm.
  • the ionic resistivity of the positive electrode mixture portion that is, the resistivity accompanying ion migration in the positive electrode layer was 1311 ⁇ ⁇ cm.
  • ⁇ Electron resistivity measurement of positive electrode mixture The positive electrode mixture was put in a mold having a diameter of 10 mm and pressed at a pressure of 329 MPa to produce a molded body. Gold (Au) was formed on both surfaces of the obtained molded body by sputtering. An electronic resistance measurement cell was manufactured by sandwiching a molded body having a structure in which gold / positive electrode mixture / gold were laminated in this order between stainless steel electrode plates.
  • the electronic resistance value was calculated.
  • the electronic resistivity was calculated from the electronic resistance value of the obtained positive electrode mixture portion of 84.7 ⁇ , the area of the negative electrode mixture layer of 0.785 cm 2 , and the thickness of 0.079 cm.
  • the electron resistivity of the positive electrode mixture portion, that is, the resistivity accompanying electron transfer in the positive electrode layer was 842 ⁇ ⁇ cm.
  • the solid electrolyte obtained above and the negative electrode active material were mixed at a weight ratio of 50:50 using a rocking mill to prepare a negative electrode mixture.
  • the positive electrode mixture, solid electrolyte, and negative electrode mixture obtained above were placed in this order in a mold and press-molded to produce a laminate.
  • the obtained laminate was a rectangular parallelepiped having a width of 2.6 mm, a length of 2.6 mm, and a height of 0.5 mm.
  • the thickness of each layer was negative electrode layer: 0.2 mm, solid electrolyte layer: 0.2 mm, and positive electrode layer. : 0.1 mm.
  • the above laminate was sealed in a ceramic package with electrodes drawn out to produce an all-solid battery.
  • the discharge capacity per unit weight of the positive electrode active material was 283 mAh / g.
  • Example 2 In the production of the positive electrode mixture, the electron resistivity and the ionic resistivity of the positive electrode mixture were measured in the same manner as in Example 1 except that the mixing ratio of the positive electrode active material and the solid electrolyte was set to 80:20, and the difference between them was measured. All solid-state batteries were fabricated and battery characteristics were evaluated.
  • the ionic resistivity of the positive electrode mixture is 1973 ⁇ ⁇ cm, and the electronic resistivity is 328 ⁇ ⁇ cm.
  • the discharge capacity per unit weight of the positive electrode active material was 293 mAh / g.
  • Example 3 The molar ratio of Li 2 S powder and P 2 S 5 powder was set to 80:20 in the production of the solid electrolyte, and the mixing ratio of the positive electrode active material and the solid electrolyte was set to 80:20 in the production of the positive electrode mixture. Except for this, the electronic resistivity and ionic resistivity of the positive electrode mixture were measured in the same manner as in Example 1 to obtain the difference between them, and an all-solid battery was produced to evaluate the battery characteristics.
  • the discharge capacity per unit weight of the positive electrode active material was 303 mAh / g.
  • Example 1 In the production of the positive electrode mixture, the electron resistivity and the ionic resistivity of the positive electrode mixture were measured in the same manner as in Example 1 except that the mixing ratio of the positive electrode active material and the solid electrolyte was 50:50, and the difference between them was measured. All solid-state batteries were fabricated and battery characteristics were evaluated.
  • the ionic resistivity of the positive electrode mixture is 2679 ⁇ ⁇ cm, and the electronic resistivity is 180 ⁇ ⁇ cm.
  • the discharge capacity per unit weight of the positive electrode active material was 192 mAh / g.
  • the discharge capacity per unit weight of the positive electrode active material is lower than that of Example 1 because the ion resistivity is higher than the electronic resistivity, so that the lithium ion is insufficient in the positive electrode layer, and the utilization rate of the positive electrode active material. This is thought to be due to a drop in
  • Example 2 The electron resistivity and ionic resistivity of the positive electrode mixture were measured in the same manner as in Example 1 except that the mixing ratio of the positive electrode active material and the solid electrolyte was 90:10 in the preparation of the positive electrode mixture, and the difference between them was measured. All solid-state batteries were fabricated and battery characteristics were evaluated.
  • the ionic resistivity of the positive electrode mixture is 6071 ⁇ ⁇ cm, and the electronic resistivity is 133 ⁇ ⁇ cm.
  • the discharge capacity per unit weight of the positive electrode active material was 199 mAh / g.
  • the discharge capacity per unit weight of the positive electrode active material is lower than that of Example 1 because the ion resistivity is higher than the electronic resistivity, so that the lithium ion is insufficient in the positive electrode layer, and the utilization rate of the positive electrode active material. This is thought to be due to a drop in

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PCT/JP2013/066907 2012-06-29 2013-06-20 Batterie entièrement à l'état solide Ceased WO2014002857A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015045921A1 (fr) * 2013-09-27 2015-04-02 トヨタ自動車株式会社 Couche de substance active d'électrode positive
JP2016058296A (ja) * 2014-09-11 2016-04-21 古河機械金属株式会社 リチウムイオン電池用正極活物質、正極材料、正極、およびリチウムイオン電池
WO2018047946A1 (fr) * 2016-09-12 2018-03-15 富士フイルム株式会社 Matériau de couche d'électrode, feuille destinée à une électrode de batterie rechargeable entièrement solide, batterie rechargeable entièrement solide, feuille d'électrode destinée à une batterie rechargeable entièrement solide, et procédé de production d'une batterie rechargeable entièrement solide
JP2020030919A (ja) * 2018-08-21 2020-02-27 トヨタ自動車株式会社 硫化物全固体電池用負極及び硫化物全固体電池

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008171588A (ja) * 2007-01-09 2008-07-24 Sumitomo Electric Ind Ltd リチウム電池
JP2008226728A (ja) * 2007-03-14 2008-09-25 Geomatec Co Ltd 薄膜固体二次電池及びこれを備えた複合型機器
JP2010272494A (ja) * 2008-08-18 2010-12-02 Sumitomo Electric Ind Ltd 非水電解質二次電池及びその製造方法
JP2011040281A (ja) * 2009-08-11 2011-02-24 Samsung Electronics Co Ltd 全固体二次電池
JP2011204389A (ja) * 2010-03-24 2011-10-13 Toyota Motor Corp リチウムイオン伝導体、及び固体リチウム電池
JP2012028231A (ja) * 2010-07-26 2012-02-09 Samsung Electronics Co Ltd 固体リチウムイオン二次電池
JP2012094446A (ja) * 2010-10-28 2012-05-17 Toyota Motor Corp 全固体電池

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008171588A (ja) * 2007-01-09 2008-07-24 Sumitomo Electric Ind Ltd リチウム電池
JP2008226728A (ja) * 2007-03-14 2008-09-25 Geomatec Co Ltd 薄膜固体二次電池及びこれを備えた複合型機器
JP2010272494A (ja) * 2008-08-18 2010-12-02 Sumitomo Electric Ind Ltd 非水電解質二次電池及びその製造方法
JP2011040281A (ja) * 2009-08-11 2011-02-24 Samsung Electronics Co Ltd 全固体二次電池
JP2011204389A (ja) * 2010-03-24 2011-10-13 Toyota Motor Corp リチウムイオン伝導体、及び固体リチウム電池
JP2012028231A (ja) * 2010-07-26 2012-02-09 Samsung Electronics Co Ltd 固体リチウムイオン二次電池
JP2012094446A (ja) * 2010-10-28 2012-05-17 Toyota Motor Corp 全固体電池

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015045921A1 (fr) * 2013-09-27 2015-04-02 トヨタ自動車株式会社 Couche de substance active d'électrode positive
JP2015069795A (ja) * 2013-09-27 2015-04-13 トヨタ自動車株式会社 正極活物質層
US20160218349A1 (en) * 2013-09-27 2016-07-28 Toyota Jidosha Kabushiki Kaisha Positive electrode active material layer
JP2016058296A (ja) * 2014-09-11 2016-04-21 古河機械金属株式会社 リチウムイオン電池用正極活物質、正極材料、正極、およびリチウムイオン電池
WO2018047946A1 (fr) * 2016-09-12 2018-03-15 富士フイルム株式会社 Matériau de couche d'électrode, feuille destinée à une électrode de batterie rechargeable entièrement solide, batterie rechargeable entièrement solide, feuille d'électrode destinée à une batterie rechargeable entièrement solide, et procédé de production d'une batterie rechargeable entièrement solide
JP2020030919A (ja) * 2018-08-21 2020-02-27 トヨタ自動車株式会社 硫化物全固体電池用負極及び硫化物全固体電池

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