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1. WO2020195092 - SECONDARY BATTERY

Publication Number WO/2020/195092
Publication Date 01.10.2020
International Application No. PCT/JP2020/002666
International Filing Date 27.01.2020
IPC
H01M 10/36 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
36Accumulators not provided for in groups H01M10/05-H01M10/3492
H01M 4/587 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
583Carbonaceous material, e.g. graphite-intercalation compounds or CFx
587for inserting or intercalating light metals
Applicants
  • パナソニックIPマネジメント株式会社 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. [JP]/[JP]
Inventors
  • 松原 健二 MATSUBARA Kenji
  • 飯田 一博 IIDA Kazuhiro
  • 竹内 正信 TAKEUCHI Masanobu
  • 福井 厚史 FUKUI Atsushi
Agents
  • 鎌田 健司 KAMATA Kenji
  • 野村 幸一 NOMURA Koichi
Priority Data
2019-06148527.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SECONDARY BATTERY
(FR) BATTERIE SECONDAIRE
(JA) 二次電池
Abstract
(EN)
A secondary battery which comprises a positive electrode, a negative electrode, and an electrolytic solution, wherein the electrolytic solution comprises water, a lithium salt, and an additive, the additive including at least one of alkaline-earth metal salts, dicarboxylic acids, carboxylic anhydrides, and organic carbonates, and the negative electrode comprises a negative active material, the negative active material having a silane coupling agent adherent to the surface thereof.
(FR)
L'invention concerne une batterie secondaire qui comprend une électrode positive, une électrode négative et une solution électrolytique, la solution électrolytique comprenant de l'eau, un sel de lithium et un additif, l'additif comprenant au moins un élément parmi des sels de métal alcalino-terreux, des acides dicarboxyliques, des anhydrides carboxyliques et des carbonates organiques, et l'électrode négative comprenant un matériau actif négatif, le matériau actif négatif ayant un agent de couplage au silane adhérant à sa surface.
(JA)
二次電池は、正極と、負極と、電解液とを備え、電解液は、水、リチウム塩、及び添加剤を含み、前記添加剤は、アルカリ土類金属塩、ジカルボン酸、カルボン酸無水物、有機カーボネートのうちの少なくともいずれか1つを含み、負極は、負極活物質を含み、前記負極活物質の表面には、シランカップリング剤が付着している。
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