NEGATIVE-ELECTRODE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY

This negative-electrode material for a secondary battery comprises silicon-containing particles and a coating layer that covers at least a part of the surface of the silicon-containing particles. The coating layer includes a phosphate compound and a hydrophobic polymer compound. Ce matériau d'é...

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Bibliographic Details
Main Authors SATO Shin, SAKATA Motohiro, SATO Yosuke
Format Patent
LanguageEnglish
French
Japanese
Published 04.04.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:This negative-electrode material for a secondary battery comprises silicon-containing particles and a coating layer that covers at least a part of the surface of the silicon-containing particles. The coating layer includes a phosphate compound and a hydrophobic polymer compound. Ce matériau d'électrode négative pour une batterie secondaire comprend des particules contenant du silicium et une couche de revêtement qui recouvre au moins une partie de la surface des particules contenant du silicium. La couche de revêtement comprend un composé phosphate et un composé polymère hydrophobe. 二次電池用負極材料は、ケイ素含有粒子と、ケイ素含有粒子の表面の少なくとも一部を覆う被覆層と、を備える。被覆層は、リン酸塩化合物と、疎水性ポリマー化合物と、を含む。
Bibliography:Application Number: WO2023JP33413