TWI755882B

This power storage device uses a negative electrode active material layer which contains carbon particles, silicon-based particles and a polyimide-based binder, wherein the negative electrode active material layer has a porosity of more than 40%. This power storage device has a high charge/discharge...

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Bibliographic Details
Main Authors MORISHITA, MASANORI, NAKAYAMA, TAKESHIGE, SAKAI, TETSUO
Format Patent
LanguageChinese
Published 21.02.2022
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DYES
ELECTRICITY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
USE OF MATERIALS AS ADHESIVES
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Summary:This power storage device uses a negative electrode active material layer which contains carbon particles, silicon-based particles and a polyimide-based binder, wherein the negative electrode active material layer has a porosity of more than 40%. This power storage device has a high charge/discharge capacity and excellent cycle characteristics.
Bibliography:Application Number: TW20209134475