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:
Jan. 29, 2019
Filed:
Apr. 13, 2016
Automotive Energy Supply Corporation, Zama-Shi, Kanagawa, JP;
Hidetoshi Tamura, Zama, JP;
Hiroshi Yageta, Zama, JP;
AUTOMOTIVE ENERGY SUPPLY CORPORATION, Zama-Shi, Kanagawa, JP;
Abstract
Provided is a nonaqueous electrolyte secondary battery that includes a laminate film exterior container housing an electrode body and an electrolyte solution. In the nonaqueous electrolyte secondary battery, the electrode body includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive electrode active material layer formed on a positive electrode current collector. The negative electrode includes a negative electrode active material layer formed on a negative electrode current collector. The positive electrode active material layer includes secondary particles of a lithium nickel cobalt manganese composite oxide. The secondary particle includes a group of primary particles of a lithium nickel cobalt manganese composite oxide with a layered crystal structure. The primary particle has a cross-sectional area of 1.50 μmor less. The layered crystal structure has a lattice constant 'c' of 14.240 Å or less.