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:
Mar. 07, 2017
Filed:
Jan. 08, 2014
Kabushiki Kaisha Toyota Jidoshokki, Kariya-shi, Aichi, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Akira Kojima, Kariya, JP;
Junichi Niwa, Kariya, JP;
Kazuhito Kawasumi, Kariya, JP;
Yuta Ikeuchi, Ikeda, JP;
Masanori Morishita, Ikeda, JP;
Toshikatsu Kojima, Ikeda, JP;
Tetsuo Sakai, Ikeda, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi, JP;
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, Tokyo, JP;
Abstract
A lithium-ion secondary battery of the present invention comprises a positive electrode including a positive electrode active material composite formed by compositing a lithium silicate-based material and a carbon material, a negative electrode including a negative electrode active material containing a silicon, and an electrolyte. The lithium-ion secondary battery satisfies 0.8<B/A<1.2, where A is irreversible capacity of the positive electrode and B is irreversible capacity of the negative electrode.