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 10014502 B1

PDFFull Text
Date of Patent:
Jul. 03, 2018

Filed:

Dec. 01, 2015

Inorganic oxide powder, slurry containing same, nonaqueous electrolyte secondary battery, and method for manufacturing nonaqueous electrolyte secondary battery

Applicant:

Sumitomo Chemical Company, Limited, Tokyo, JP;

Inventors:

Takamasa Egawa, Niihama, JP;

Yasuharu Kobashi, Niihama, JP;

Assignee:

SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Cynthia K Walls

Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 2/16 (2006.01); C01F 7/02 (2006.01); H01M 4/13 (2010.01); H01M 4/139 (2010.01); H01M 10/0566 (2010.01); H01M 10/058 (2010.01); H01M 2/14 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1646 (2013.01); C01F 7/02 (2013.01); H01M 2/145 (2013.01); H01M 2/16 (2013.01); H01M 4/0416 (2013.01); H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 4/62 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 10/0566 (2013.01); C01P 2004/51 (2013.01); C01P 2004/62 (2013.01); C01P 2006/12 (2013.01); H01M 4/622 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01);
Abstract

The present invention relates to an inorganic oxide powder which is suitably used to form an inorganic oxide porous film having excellent heat resistance, insulation properties and film strength, regardless of a small basis weight, and also having porosity capable of imparting sufficient ion permeability on at least one surface of a positive electrode, a negative electrode, or a separator that constitutes a nonaqueous electrolyte secondary battery. Disclosed is an inorganic oxide powder, wherein: 1) an average three-dimensional particle unevenness is 3.6 or more, and 2) an abundance ratio in number of particles having a particle diameter of less than 0.3 μm is 50% or more.

Find Patent Forward Citations

Egawa, Takamasa. (2018). Inorganic oxide powder, slurry containing same, nonaqueous electrolyte secondary battery, and method for manufacturing nonaqueous electrolyte secondary battery (U.S. Patent No. 10014502). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10014502

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

Loading…