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Electrochemical device and electronic device

Grant US12586793B2 Kind: B2 Mar 24, 2026

Assignee

NINGDE AMPEREX TECHNOLOGY LIMITED

Inventors

Hanxiang Zhang

Abstract

An electrochemical device includes a negative active material layer and an electrolyte. The negative active material layer comprises hard carbon. The negative active material layer has a porosity of 20% to 60%. The electrolyte has a conductivity of 8 mS/cm to 14 mS/cm.

CPC Classifications

H01M 4/587 H01M 4/133 H01M 10/0568 H01M 10/0569 H01M 10/052 H01M 2004/021 H01M 2004/027 H01M 2300/025

Filing Date

2022-03-30

Application No.

17708115

Claims

16