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:
Feb. 16, 2016
Filed:
May. 14, 2013
Sony Corporation, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
(A) A cathode active material of a cathode includes a lithium phosphate compound represented by LiM1PO(M is Fe and the like, 0≦a≦2, b≦1). (B) Fine pore distribution of the cathode measured by a mercury intrusion method indicates a peak Pin a range where a pore diameter is equal to or more than about 0.01 micrometers and less than about 0.15 micrometers, and indicates a peak Pin a range where the pore diameter is from about 0.15 micrometers to about 0.9 micrometers both inclusive. (C) A ratio I/Ibetween intensity Iof the peak Pand intensity Iof the peak Pis from about 0.5 to about 20 both inclusive. (D) Porosity of the cathode is from about 30 percent to about 50 percent both inclusive.