logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12785081 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Mar. 31, 2023

Negative electrode plate and electrochemical apparatus and electronic apparatus including the negative electrode plate

Applicants:

Ningde Amperex Technology Limited, Ningde, CN;

Dongguan Amperex Technology Limited, Dongguan, CN;

Inventor:

Lele Lin, Ningde, CN;

Assignees:

Ningde Amperex Technology Limited, Ningde City, CN;

Dongguan Amperex Technology Limited, Dongguan, CN;

Attorney:

Maier & Maier, PLLC

Primary Examiner:

Zhongqing Wei

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/133 (2010.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

A negative electrode plate, including a current collector, a first active substance layer, and a second active substance layer located between the current collector and the first active substance layer, where the first active substance layer includes first silicon-based material particles, and the second active substance layer includes second silicon-based material particles, a mass percentage of lithium in the first silicon-based material particles being A % and a mass percentage of lithium in the second silicon-based material particles being B %, where A>B. An electrochemical apparatus is provided, including the negative electrode plate.

Find Patent Forward Citations

Quick Actions:

Lin, Lele. (2026). Negative electrode plate and electrochemical apparatus and electronic apparatus including the negative electrode plate (U.S. Patent No. 12785081). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785081

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…