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.:
Date of Patent:
Jul. 31, 2018
Filed:
Oct. 08, 2015
Toru Tabuchi, Kyoto, JP;
Toshiyuki Aoki, Kyoto, JP;
Minoru Teshima, Kyoto, JP;
Katsushi Nishie, Kyoto, JP;
Toru Tabuchi, Kyoto, JP;
Toshiyuki Aoki, Kyoto, JP;
Minoru Teshima, Kyoto, JP;
Katsushi Nishie, Kyoto, JP;
GS Yuasa International Ltd., Kyoto, JP;
Abstract
The present invention provides a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode having a negative active material, and a non-aqueous electrolyte, characterized in that the negative active material contains composite particle (C), which has silicon-containing particle (A) and electronic conductive additive (B), the silicon-containing particle (A) has a content of carbon, and when measured at a temperature rising rate of 10±2° C./min by thermogravimetry, said composite particle (C) exhibits two stages of weight loss in the range of 30 to 1000° C.