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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 10424789 B1

PDFFull Text
Date of Patent:
Sep. 24, 2019

Filed:

Jun. 19, 2017

Negative electrode for lithium ion secondary battery and lithium ion secondary battery

Applicant:

Envision Aesc Japan Ltd., Zama-shi, Kanagawa, JP;

Inventors:

Ippei Waki, Zama, JP;

Yuji Tanjo, Zama, JP;

Assignee:

Envision AESC Japan Ltd., Kanagawa, JP;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Amanda C Walke

Int. Cl.
CPC ...
H01M 4/583 (2010.01); C01B 32/20 (2017.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/133 (2010.01); H01M 4/587 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/583 (2013.01); C01B 32/20 (2017.08); H01M 4/133 (2013.01); H01M 4/587 (2013.01); H01M 4/621 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); Y02T 10/7011 (2013.01);
Abstract

Provided is a negative electrode for a lithium ion secondary battery including: a negative electrode current collector; and a negative electrode active material for a lithium ion secondary battery which is disposed on the negative electrode current collector and contains a carbon material and an aqueous binder. The carbon material is a graphite particle having a covering layer containing amorphous carbon by 5 wt % or less relative to a total weight of the carbon material.

Find Patent Forward Citations

Waki, Ippei. (2019). Negative electrode for lithium ion secondary battery and lithium ion secondary battery (U.S. Patent No. 10424789). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10424789

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