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. 17, 2018
Filed:
Mar. 29, 2016
Automotive Energy Supply Corporation, Zama-Shi, Kanagawa, JP;
Sohei Suga, Zama, JP;
Koichi Shinohara, Zama, JP;
Kenji Ohara, Zama, JP;
Toshihiro Horiuchi, Zama, JP;
Masanori Aoyagi, Zama, JP;
Junko Nishiyama, Zama, JP;
AUTOMOTIVE ENERGY SUPPLY CORPORATION, Zama-Shi, Kanagawa, JP;
Abstract
Provided is a lithium ion secondary battery including a power generation element, the power generation element including a positive electrode, a negative electrode, a separator, and an electrolyte solution, the positive electrode including a positive electrode current collector, and a positive electrode active material layer provided for the positive electrode current collector, the positive electrode active material layer including a positive electrode active material and binder, the negative electrode including a negative electrode current collector and a negative electrode active material layer provided for the negative electrode current collector, the negative electrode active material layer including a negative electrode active material and binder. The positive electrode has a volume resistivity in a range of 100 Ωcm or more and 700 Ωcm or less after at least one charging and discharging cycle.