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.

Date of Patent:
Dec. 20, 2016

Filed:

Apr. 26, 2013
Applicants:

Tsinghua University, Beijing, CN;

Hon Hai Precision Industry Co., Ltd., New Taipei, TW;

Inventors:

Li Wang, Beijing, CN;

Xiang-Ming He, Beijing, CN;

Jian-Jun Li, Beijing, CN;

Jian Gao, Beijing, CN;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/60 (2006.01); H01M 4/587 (2010.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 10/0565 (2010.01);
U.S. Cl.
CPC ...
H01M 4/608 (2013.01); H01M 10/0525 (2013.01); H01M 10/0565 (2013.01); H01M 4/382 (2013.01); H01M 4/587 (2013.01); Y02E 60/122 (2013.01);
Abstract

A lithium ion battery includes a cathode, an anode, and an electrolyte sandwiched between the cathode and the anode. The cathode includes a cathode active material. The anode is spaced from the cathode. The cathode active material includes a sulfur grafted poly(pyridinopyridine). The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and sulfur dispersed in the poly(pyridinopyridine) matrix. The sulfur includes a number of poly-sulfur groups or a number of elemental sulfur particles dispersed in the poly(pyridinopyridine) matrix. The electrolyte is a gel electrolyte.


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