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LITHIUM ION SECONDARY BATTERY

Application US20260081207A1 Kind: A1 Mar 19, 2026

Assignee

CENTRAL GLASS COMPANY, LIMITED

Inventors

Sho YAMAZAWA, Saori ITABASHI, Yusuke ENDO, Katsutoshi SUZUKI, Kazunari TAKEDA

Abstract

The present disclosure provides a lithium ion secondary battery, in which surface roughness (Ra) of a surface of a positive electrode active material layer containing a positive electrode active material is less than 1.0×104 Å, and the lithium ion secondary battery includes 5 a nonaqueous electrolyte solution containing at least one selected from the group consisting of compounds of Formulas (1) to (10) described in the specification.

CPC Classifications

H01M 10/0525 H01M 4/131 H01M 4/505 H01M 4/525 H01M 10/0567 H01M 2004/021 H01M 2004/028 H01M 2300/0025

Filing Date

2023-08-25

Application No.

19106414