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:
Nov. 26, 2019

Filed:

Aug. 23, 2017
Applicants:

Naoto Abe, Shizuoka, JP;

Yoshio Itoh, Shizuoka, JP;

Tatsuya Dan, Shizuoka, JP;

Yuka Araki, Shizuoka, JP;

Shuhei Takeshita, Shizuoka, JP;

Inventors:

Naoto Abe, Shizuoka, JP;

Yoshio Itoh, Shizuoka, JP;

Tatsuya Dan, Shizuoka, JP;

Yuka Araki, Shizuoka, JP;

Shuhei Takeshita, Shizuoka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/00 (2006.01); H01M 10/056 (2010.01); H01G 11/32 (2013.01); H01M 4/133 (2010.01); H01G 11/04 (2013.01); H01G 11/24 (2013.01); H01M 10/0525 (2010.01); H01G 11/26 (2013.01); H01G 11/50 (2013.01); H01M 4/587 (2010.01); H01M 10/052 (2010.01); H01M 10/0569 (2010.01); H01G 11/06 (2013.01); H01G 11/60 (2013.01); H01G 11/62 (2013.01); C01B 32/60 (2017.01);
U.S. Cl.
CPC ...
H01M 10/056 (2013.01); H01G 11/04 (2013.01); H01G 11/24 (2013.01); H01G 11/26 (2013.01); H01G 11/32 (2013.01); H01G 11/50 (2013.01); H01M 4/133 (2013.01); H01M 4/587 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); C01B 32/60 (2017.08); H01G 11/06 (2013.01); H01G 11/60 (2013.01); H01G 11/62 (2013.01); Y02E 60/13 (2013.01);
Abstract

To provide a non-aqueous electrolyte electricity-storage element including a positive electrode including a positive-electrode active material capable of inserting and releasing anions, a negative electrode including a negative-electrode active material capable of inserting and releasing cations, and a non-aqueous electrolyte, wherein the positive-electrode active material is porous carbon having pores having a three-dimensional network structure, and wherein a changing rate of a cross-sectional thickness of a positive electrode film including the positive-electrode active material defined by Formula (1) below is less than 45%.


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