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ELECTRODE COMPOSITION, ELECTRODE, PRODUCTION METHOD FOR SAID ELECTRODE, AND BATTERY NEW

外国特許コード F180009520
整理番号 (S2017-0295-N0)
掲載日 2018年11月2日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2018JP002476
国際公開番号 WO 2018139580
国際出願日 平成30年1月26日(2018.1.26)
国際公開日 平成30年8月2日(2018.8.2)
優先権データ
  • 特願2017-014066 (2017.1.30) JP
発明の名称 (英語) ELECTRODE COMPOSITION, ELECTRODE, PRODUCTION METHOD FOR SAID ELECTRODE, AND BATTERY NEW
発明の概要(英語) [Problem] To provide an electrode which can sufficiently exhibit the battery characteristics necessary for a solid-state battery, a production method therefor, an electrode composition for producing said electrode, and a battery using the electrode.
[Solution] An electrode composition for secondary cells which is characterized by including an active material, a binder, and an ion-conductive material, the ion-conductive material being a solvated ion–conductive material or ion-conductive solution provided with a metal ion compound; an electrode which is characterized by being provided with an active material, a conductive aid, and a composite material obtained by combining a binder and an ion-conductive material; and an electrode production method using the electrode composition, the electrode production method being characterized by involving a first mixing step for obtaining a first mixture by mixing an active material and a binder, and a second mixing step for obtaining a second mixture by adding and mixing an ion-conductive material to the first mixture.
従来技術、競合技術の概要(英語) BACKGROUND ART
2 Of the secondary battery is a lithium secondary battery, long life, high efficiency, high capacity, a mobile phone, a notebook personal computer, such as a digital camera has been available for the power supply.In recent years from the viewpoint of safety and may also be a solid electrolyte of the all-solid-state battery have been developed and, in response to the all-solid-state battery has been the development of suitable electrodes.
For example, to Patent Document 1, the electrode material while suppressing the cracking and separation of the surface of the thin film and a large area can be reduced, and, excellent ion conductivity as the electrode sheet, the sheet-like porous substrate, and the adhesive layer, electrode material, is provided, the adhesive, at least the framework surrounding the air gap of the porous base material is deposited on the surface, the electrode material, solid electrolyte material and the electrode active material includes, the inside of the voids of the porous base material is filled has been proposed.In addition, in Patent Document 2, high conductivity, reduce the internal resistance of the battery, in order to improve the input-output characteristics, and the active material and mixing and dispersing the metal source compound, thermal decomposition, the gas-phase reduction, or, liquid phase reduction, or a combination thereof by chemical reaction of the metal particles precipitate on the surface of the active material electrode material has been proposed.In addition, in Patent Document 3, the polymer solid electrolyte is used in the all-solid lithium secondary battery, and suppress an increase in the resistance of the battery over time to improve the cycle life, reduced internal resistance can be simultaneously performed to improve the discharge load characteristic, in order to improve the reliability of the battery, the polymer solid electrolyte is used, the active material, conductive agent, the polymer solid electrolyte, the electrode constituent material of the binder added to the solid electrolyte powder, to an electrode active material, polymer solid electrolyte and inorganic solid electrolyte powder and the ratio between the volume fraction is less than 50% and a battery using the electrode has been proposed.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • TOKYO METROPOLITAN UNIVERSITY
  • 発明者(英語)
  • Seiji Kanemura
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG

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