WO2014038311A1 - Cellule entièrement à l'état solide - Google Patents

Cellule entièrement à l'état solide Download PDF

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Publication number
WO2014038311A1
WO2014038311A1 PCT/JP2013/070530 JP2013070530W WO2014038311A1 WO 2014038311 A1 WO2014038311 A1 WO 2014038311A1 JP 2013070530 W JP2013070530 W JP 2013070530W WO 2014038311 A1 WO2014038311 A1 WO 2014038311A1
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Prior art keywords
active material
solid electrolyte
solid
electrode active
electrode layer
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PCT/JP2013/070530
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English (en)
Japanese (ja)
Inventor
倍太 尾内
充 吉岡
剛司 林
武郎 石倉
彰佑 伊藤
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株式会社 村田製作所
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Priority to JP2014534244A priority Critical patent/JP5935892B2/ja
Publication of WO2014038311A1 publication Critical patent/WO2014038311A1/fr

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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
    • 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
    • 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
    • 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
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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.
  • the battery having the above configuration has a risk of leakage of the electrolyte.
  • the organic solvent etc. which are used for electrolyte solution are combustible substances. For this reason, it is required to further increase the safety of the battery.
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2011-198692
  • Patent Document 2 there is a laminated all solid-state lithium ion secondary battery in which positive electrode layers and negative electrode layers are alternately stacked via a solid electrolyte layer.
  • This all solid-state lithium ion secondary battery is manufactured by firing a laminate of green sheets of a positive electrode layer, a negative electrode layer, and a solid electrolyte layer.
  • a positive electrode layer is formed by firing various oxides such as titanium oxide, niobium oxide, and vanadium oxide as a positive electrode active material.
  • Patent Document 1 a positive electrode of plate-like particles is used. It is not sufficient to use only the active material, and as disclosed in Patent Document 2, it is not sufficient to merely fire oxides such as titanium oxide, niobium oxide, and vanadium oxide as the positive electrode active material. I understood.
  • An all-solid battery according to the present invention includes an electrode layer including at least one of a positive electrode layer and a negative electrode layer including an electrode active material and a solid electrolyte, and a solid electrolyte layer including the solid electrolyte laminated on the electrode layer.
  • the electrode active material has a rod-like or strip-like form.
  • the electrode active material preferably has a long side and a short side, and the ratio of the long side to the short side is preferably 3 or more.
  • the long side of the electrode active material is oriented in a direction substantially orthogonal to the stacking direction of the electrode layer and the solid electrolyte layer.
  • the electrode active material is preferably an oxide containing at least one metal selected from the group consisting of titanium and niobium.
  • the volume occupancy of the solid electrolyte in the electrode layer is preferably 22% by volume to 56% by volume.
  • the electrode active material is preferably monoclinic niobium oxide.
  • the solid electrolyte preferably contains a lithium-containing phosphate compound, and more preferably contains a lithium-containing phosphate compound having a NASICON type structure.
  • the bondability at the interface between the solid electrolyte and the electrode active material can be improved in the electrode layer, and the charge / discharge characteristics can be improved.
  • At least one of the positive electrode layer 11 and the negative electrode layer 12 includes an electrode active material having a rod-like or strip-like form.
  • an all-solid battery showing good charge / discharge characteristics can be obtained. This can improve the bondability at the interface between the solid electrolyte and the electrode active material in the electrode layer of at least one of the positive electrode layer 11 and the negative electrode layer 12, and can improve the charge / discharge characteristics. It is considered a thing. The reason why such an effect can be obtained is based on the following knowledge and consideration of the inventors.
  • the solid electrolyte material used in all solid state batteries is inferior in ionic conductivity as compared to non-aqueous electrolytes used in conventional secondary batteries. For this reason, it is presumed that the overvoltage generated when the all-solid battery is charged and discharged is mainly caused by the high internal resistance due to the low ionic conductivity of the solid electrolyte material.
  • the electrode layer is actually compared to the internal resistance estimated from the low ionic conductivity of the solid electrolyte material existing inside the electrode layer of the all-solid battery.
  • the inventor increased the contact interface between the solid electrolyte material and the electrode active material in the electrode layer, and the solid electrolyte material and the electrode active material were closely bonded by firing, Promoting the transfer of ions between the solid electrolyte material and the electrode active material and promoting the movement of ions inside the electrode active material improve the charge / discharge characteristics of the all-solid battery produced by firing It was found to be extremely important.
  • an all-solid-state battery having excellent charge / discharge characteristics can be obtained by including an electrode active material in a rod-like or strip-like form, for example, a columnar or scale-like anisotropy in an electrode layer. Can be provided. The reason why this effect is obtained is estimated as follows.
  • an electrode active material having an anisotropy in the form of a rod or a band has a larger surface area than an electrode active material having the same volume. For this reason, it is presumed that the contact area between the solid electrolyte material and the electrode active material can be increased by including the electrode active material in the form of a rod or strip in the electrode layer.
  • an ion conduction path inside the electrode active material is secured toward the long side direction of the electrode active material, exchange of ions between the solid electrolyte material and the electrode active material, and the electrode active material It is estimated that the movement of ions inside is promoted.
  • the electron conduction path inside the electrode active material is secured in the long side direction of the electrode active material, the movement of electrons inside the electrode layer is promoted. It is estimated that it contributes to the improvement of the charge / discharge characteristics.
  • the rod-like or belt-like form defines the shape of the elements (particles, etc.) constituting the electrode active material, and specifically, the outer surface of the component of the electrode active material is defined.
  • the ratio of the dimension of the longest side to the dimension of the shortest side of the rectangular parallelepiped when surrounded by the rectangular parallelepiped, that is, the shape having an anisotropy with an aspect ratio exceeding 1, and the outer shape of the constituent elements of the electrode active material is a rod shape or It means a strip shape, for example, a columnar body or a scale-like body.
  • the longest side corresponds to the length of the component of the electrode active material
  • the shortest side is the electrode active material
  • it corresponds to the thickness of the component of the material.
  • the longest side and the shortest side can be measured from, for example, an image obtained by observing components of the electrode active material using a scanning electron microscope (SEM).
  • the electrode active material is preferably oriented in a direction (plane direction of each layer) substantially orthogonal to the stacking direction of the electrode layer and the solid electrolyte layer.
  • the ionic conduction path and the electron conduction path are secured in the long side direction of the constituent elements of the electrode active material, that is, the surface direction of the electrode layer, so that the area current density in the electrode layer is increased.
  • the charge / discharge characteristics of the all-solid battery can be improved, and the electrode active material contained in the electrode layer can be filled at a high density to improve the volume energy density of the all-solid battery. Can do.
  • the electrode active material is not particularly limited as long as it is a material that can occlude and release ions and can be fired, but includes at least one metal selected from the group consisting of titanium and niobium.
  • An oxide is preferable.
  • the electrode active material is preferably monoclinic niobium oxide.
  • the volume occupancy of the solid electrolyte in the electrode layer is preferably 22% by volume to 56% by volume. In this case, a good ion conduction path can be secured inside the electrode layer.
  • the solid electrolyte contained in the solid electrolyte layer 13 or the solid electrolyte contained in at least one of the positive electrode layer 11 and the negative electrode layer 12 preferably contains a lithium-containing phosphate compound.
  • the lithium-containing phosphate compound as a solid electrolyte included in the solid electrolyte layer 13 or the lithium-containing phosphate compound as a solid electrolyte included in the positive electrode layer 11 or the negative electrode layer 12 is a lithium-containing phosphate compound having a NASICON structure.
  • Lithium-containing phosphoric acid compound having a NASICON-type structure the chemical formula Li x M y (PO 4) 3 ( Formula, x 1 ⁇ x ⁇ 2, y is a number in the range of 1 ⁇ y ⁇ 2, M Includes one or more elements selected from the group consisting of Ti, Ge, Al, Ga and Zr), for example, Li 1.5 Al 0.5 Ti 1.5 (PO 4 ) 3 .
  • part of P in the above chemical formula may be substituted with B, Si, or the like.
  • two or more compounds having different compositions of lithium-containing phosphate compounds having a NASICON type structure such as Li 1.5 Al 0.5 Ge 1.5 (PO 4 ) 3 and Li 1.2 Al 0.2 Ti 1.8 (PO 4 ) 3 are mixed. You may use the mixture.
  • the lithium-containing phosphate compound having a NASICON structure used in the above solid electrolyte includes a crystal phase of a lithium-containing phosphate compound having a NASICON structure, or a lithium-containing phosphate having a NASICON structure by heat treatment You may use the glass which precipitates the crystal phase of a phosphoric acid compound.
  • a material used for said solid electrolyte it is possible to use the material which has ion conductivity and is so small that electronic conductivity can be disregarded other than the lithium-containing phosphate compound which has a NASICON structure.
  • Examples of such a material include lithium oxyacid salts and derivatives thereof.
  • Li-PO system compounds such as lithium phosphate (Li 3 PO 4 ), LIPON (LiPO 4 ⁇ x N x ) in which nitrogen is mixed with lithium phosphate, and Li—Si—O such as Li 4 SiO 4
  • Li—Si—O such as Li 4 SiO 4
  • Examples thereof include a compound having a lobskite structure, a compound having a garnet structure having Li, La, and Zr, such as Li 7 La 3 Zr 2 O 12 .
  • the negative electrode active material included in the negative electrode layer 12 is MOx.
  • M includes at least one element selected from the group consisting of Ti, Si, Sn, Cr, Fe, Nb, and Mo, and x is a numerical value in a range of 0.9 ⁇ x ⁇ 2.0.
  • x is a numerical value in a range of 0.9 ⁇ x ⁇ 2.0.
  • a mixture in which two or more active materials having a composition represented by MOx containing different elements M such as TiO 2 and SiO 2 may be used.
  • the positive electrode active material included in the positive electrode layer 11 may be Li Lithium-containing phosphate compounds having a nasicon structure such as 3 V 2 (PO 4 ) 3, lithium-containing phosphate compounds having an olivine structure such as LiFePO 4 and LiMnPO 4 , LiCoO 2 , LiCo 1/3 Ni 1/3 A layered compound such as Mn 1/3 O 2 or a lithium-containing compound having a spinel structure such as LiMn 2 O 4 , LiNi 0.5 Mn 1.5 O 4 , or Li 4 Ti 5 O 12 can be used.
  • the solid electrolyte layer 13 includes a solid electrolyte made of a lithium-containing phosphate compound having a NASICON structure, and at least one of the positive electrode layer 11 and the negative electrode layer 12 is a NASICON type. It is preferable to include a solid electrolyte composed of a lithium-containing phosphate compound having a structure.
  • An unsintered solid electrolyte layer that is an unsintered body of the electrolyte layer 13 is fabricated (unsintered layer fabrication step).
  • an unsintered solid electrolyte layer that is an unsintered body of the solid electrolyte layer 13 is produced from a material containing the above lithium-containing phosphate compound, and at least one selected from the group consisting of the above titanium and niobium
  • An unsintered electrode layer, which is an unsintered body of the electrode layer is prepared from a material including an oxide containing the above metal and a material including the lithium-containing phosphate compound. Thereafter, the produced unfired electrode layer and the unfired solid electrolyte layer are laminated to form a laminate (laminated body forming step). And the obtained laminated body is baked (baking process).
  • the positive electrode layer 11 and / or the negative electrode layer 12 and the solid electrolyte layer 13 are joined by firing. Finally, the fired laminate is sealed, for example, in a coin cell.
  • the sealing method is not particularly limited. For example, you may seal the laminated body after baking with resin. Alternatively, an insulating paste having an insulating property such as Al 2 O 3 may be applied or dipped around the laminate, and the insulating paste may be heat-treated for sealing.
  • a current collector layer such as a carbon layer, a metal layer, or an oxide layer may be formed on the positive electrode layer 11 and the negative electrode layer 12.
  • Examples of the method for forming the current collector layer include a sputtering method.
  • the metal paste may be applied or dipped and heat-treated.
  • a laminated body may be formed by laminating a plurality of laminated bodies having the above single cell structure with an unfired body of the current collector interposed therebetween.
  • a plurality of laminates having a single battery structure may be laminated electrically in series or in parallel.
  • the method for forming the unfired electrode layer and the unfired solid electrolyte layer is not particularly limited, but a doctor blade method, a die coater, a comma coater, etc. for forming a green sheet, or a screen for forming a printing layer. Printing or the like can be used.
  • the method for laminating the unfired electrode layer and the unfired solid electrolyte layer is not particularly limited, but the unfired electrode layer and the unfired electrode layer may be formed using a hot isostatic press, a cold isostatic press, an isostatic press, or the like.
  • a fired solid electrolyte layer can be laminated.
  • the slurry for forming the green sheet or the printing layer is obtained by wet-mixing an organic vehicle in which an organic material is dissolved in a solvent and (a positive electrode active material and a solid electrolyte, a negative electrode active material and a solid electrolyte, or a solid electrolyte).
  • Media can be used in wet mixing, and specifically, a ball mill method, a viscomill method, or the like can be used.
  • a wet mixing method that does not use media may be used, and a sand mill method, a high-pressure homogenizer method, a kneader dispersion method, or the like can be used.
  • the organic material contained in the slurry for forming the green sheet or the printing layer is not particularly limited, and polyvinyl acetal resin, cellulose resin, acrylic resin, urethane resin, and the like can be used.
  • the slurry may contain a plasticizer.
  • plasticizer is not particularly limited, phthalic acid esters such as dioctyl phthalate and diisononyl phthalate may be used.
  • the atmosphere is not particularly limited, but it is preferably performed under conditions that do not change the valence of the transition metal contained in the electrode active material.
  • the firing temperature is preferably 400 ° C. or higher and 1000 ° C. or lower.
  • Example shown below is an example and this invention is not limited to the following Example.
  • each particle is a scaly titanium dioxide powder having an anatase type crystal structure, and in Example 2, each particle is a columnar body and a monoclinic crystal structure of niobium pentoxide,
  • a titanium dioxide powder having spherical particles and anatase type crystal structure was used in Example 1
  • niobium pentoxide powder having a substantially cubic shape and a monoclinic crystal structure was used. The photograph which observed each powder with the scanning electron microscope (SEM) is shown in FIG.
  • the electrode materials of Examples 1 and 2 and Comparative Examples 1 and 2 were prepared by mixing the main material of each electrode material obtained above, polyacetal resin and ethanol in a weight ratio of 85: 15: 140.
  • Electrode-electrolyte laminate On one side of the solid electrolyte layer formed by laminating 8 sheets of solid electrolyte sheets, 10 electrode sheets (20 sheets in Example 2) were laminated, cut into a square shape with a side of 10 mm, and 80 ° C. An electrode-electrolyte laminate as a molded body was produced by applying a pressure of 1 ton at this temperature and thermocompression bonding.
  • Firing is performed for 2 hours at a temperature of 500 ° C. in a nitrogen gas atmosphere containing 1% by volume of oxygen gas in a state where the electrode-electrolyte laminate as a compact is sandwiched between two alumina ceramic plates.
  • the electrode layer and the solid electrolyte layer were joined by firing in a nitrogen gas atmosphere at a temperature of 700 ° C. for 2 hours (firing step 2).
  • firing step 2 an electrode-electrolyte laminate as a fired body was produced.
  • FIG. 3 shows a photograph of a cross section of the electrode-solid electrolyte laminate produced in Examples 1 and 2 and Comparative Examples 1 and 2 of the present invention, observed with a scanning electron microscope (SEM).
  • SEM scanning electron microscope
  • the vertical direction is the stacking direction
  • the upper side of the photograph is the electrode layer side
  • the lower side is the solid electrolyte layer side.
  • Example 1 titanium dioxide which is a scale-like anisotropic electrode active material was oriented in a direction perpendicular to the stacking direction and sintered with a solid electrolyte material.
  • niobium pentoxide which is a substantially cubic electrode active material, and a solid electrolyte material are randomly sintered, in the stacking direction, or in the direction perpendicular to the stacking direction, In particular, the orientation of the electrode active material was not observed.
  • niobium pentoxide which is a columnar anisotropic electrode active material, was oriented in a direction perpendicular to the stacking direction and sintered with the solid electrolyte material.
  • the all-solid battery of Example 1 in which the electrode active material particles are scaly is different from the all-solid battery of Comparative Example 1 in which the electrode active material particles are spherical. Is small and it is understood that the charge and discharge characteristics are excellent.
  • the all solid state battery of Example 2 in which the electrode active material particles are columnar bodies is similarly charged and discharged in contrast to the all solid state battery of Comparative Example 2 in which the electrode active material particles are spherical. It can be seen that the overvoltage is small and the charge / discharge characteristics are excellent.
  • Example 1 the discharge flat potential of Example 1 is lower than that of Comparative Example 1, and the discharge flat potential of Example 2 is lower than that of Comparative Example 2. Therefore, compared with the case where a spherical electrode active material is used. Thus, it can be seen that the use of scale-like or columnar electrode active material particles can increase the discharge voltage and is excellent in discharge characteristics.
  • the present invention is particularly useful for the production of an all-solid battery.

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

Abstract

L'invention concerne une cellule entièrement à l'état solide dans laquelle des caractéristiques de charge/décharge sont améliorées par formation d'une interface où un matériau actif d'électrode et un électrolyte solide sont étroitement liés l'un à l'autre dans une couche d'électrode. Un corps stratifié de cellule entièrement à l'état solide (10) comprend : une couche d'électrode positive (11) et/ou une couche d'électrode négative (12), qui contient un matériau actif d'électrode et un électrolyte solide ; et une couche d'électrolyte solide (13), qui est stratifiée sur la couche d'électrode, et qui contient l'électrolyte solide. Le matériau actif d'électrode possède une forme de barre ou une forme de bande.
PCT/JP2013/070530 2012-09-04 2013-07-30 Cellule entièrement à l'état solide WO2014038311A1 (fr)

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JP2012193810 2012-09-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107799836A (zh) * 2016-09-07 2018-03-13 中兴通讯股份有限公司 固态电池制作方法、固态电池及终端
EP3453785A1 (fr) * 2017-09-07 2019-03-13 Kabushiki Kaisha Toshiba Ensemble électrode à membrane, cellule électrochimique et dispositif électrochimique
JP2020119774A (ja) * 2019-01-24 2020-08-06 トヨタ自動車株式会社 負極
WO2023171063A1 (fr) * 2022-03-10 2023-09-14 パナソニックＩｐマネジメント株式会社 Batterie entièrement à l'état solide et son procédé de production
US12107260B2 (en) 2020-06-29 2024-10-01 Taiyo Yuden Co., Ltd. All solid battery and detecting method of end point voltage of the same

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JP2000133313A (ja) * 1998-10-26 2000-05-12 Matsushita Electric Ind Co Ltd 非水電解液電池
JP2000223111A (ja) * 1999-01-28 2000-08-11 Kyocera Corp 電気化学素子
JP2008262829A (ja) * 2007-04-12 2008-10-30 Toyota Motor Corp 電極材料の製造方法、電極材料および電池
JP2009238636A (ja) * 2008-03-27 2009-10-15 Toyota Motor Corp 正極層形成用材料
WO2012008422A1 (fr) * 2010-07-12 2012-01-19 株式会社 村田製作所 Batterie tout solide

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JP2014053178A (ja) * 2012-09-07 2014-03-20 Ngk Insulators Ltd 全固体電池

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2000133313A (ja) * 1998-10-26 2000-05-12 Matsushita Electric Ind Co Ltd 非水電解液電池
JP2000223111A (ja) * 1999-01-28 2000-08-11 Kyocera Corp 電気化学素子
JP2008262829A (ja) * 2007-04-12 2008-10-30 Toyota Motor Corp 電極材料の製造方法、電極材料および電池
JP2009238636A (ja) * 2008-03-27 2009-10-15 Toyota Motor Corp 正極層形成用材料
WO2012008422A1 (fr) * 2010-07-12 2012-01-19 株式会社 村田製作所 Batterie tout solide

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107799836A (zh) * 2016-09-07 2018-03-13 中兴通讯股份有限公司 固态电池制作方法、固态电池及终端
WO2018045720A1 (fr) * 2016-09-07 2018-03-15 中兴通讯股份有限公司 Procédé de fabrication de batterie à semi-conducteurs, batterie à semi-conducteurs et terminal
EP3453785A1 (fr) * 2017-09-07 2019-03-13 Kabushiki Kaisha Toshiba Ensemble électrode à membrane, cellule électrochimique et dispositif électrochimique
JP2020119774A (ja) * 2019-01-24 2020-08-06 トヨタ自動車株式会社 負極
JP7067498B2 (ja) 2019-01-24 2022-05-16 トヨタ自動車株式会社 負極
US12107260B2 (en) 2020-06-29 2024-10-01 Taiyo Yuden Co., Ltd. All solid battery and detecting method of end point voltage of the same
WO2023171063A1 (fr) * 2022-03-10 2023-09-14 パナソニックＩｐマネジメント株式会社 Batterie entièrement à l'état solide et son procédé de production

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