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. 26, 2019
Filed:
May. 15, 2012
Masanori Soma, Fukushima, JP;
Atsumichi Kawashima, Fukushima, JP;
Masayuki Ihara, Fukushima, JP;
Hideki Nakai, Fukushima, JP;
Kenichi Kawase, Fukushima, JP;
Masanori Soma, Fukushima, JP;
Atsumichi Kawashima, Fukushima, JP;
Masayuki Ihara, Fukushima, JP;
Hideki Nakai, Fukushima, JP;
Kenichi Kawase, Fukushima, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A secondary battery having a cathode, an anode, and an electrolyte is provided. The cathode includes a cathode active material containing at least one kind selected from the group consisting of sulfur S and phosphorus P in a portion near the particle surface of a lithium composite oxide. A content of the kind in the portion is larger than that in the particle of the lithium composite oxide.