Invention Grant
- Patent Title: Nonaqueous secondary battery comprising at least two lithium-containing transition metal oxides of different average particle sizes
- Patent Title (中): 包含至少两种不同平均粒度的含锂过渡金属氧化物的非水二次电池
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Application No.: US13494629Application Date: 2012-06-12
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Publication No.: US08415058B2Publication Date: 2013-04-09
- Inventor: Hideo Sakata , Fusaji Kita , Kumiko Ishizuka
- Applicant: Hideo Sakata , Fusaji Kita , Kumiko Ishizuka
- Applicant Address: JP Ibaraki-Shi, Osaka
- Assignee: Hitachi Maxell, Ltd.
- Current Assignee: Hitachi Maxell, Ltd.
- Current Assignee Address: JP Ibaraki-Shi, Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2006-290637 20061026
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/505 ; H01M4/48 ; H01M6/16 ; H01M10/0564
Abstract:
A nonaqueous secondary battery having a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode contains, as an active material, a lithium-containing transition metal oxide containing a metal element selected from the group consisting of Mg, Ti, Zr, Ge, Nb, Al and Sn, the positive electrode mixture layer has a density of 3.5 g/cm3 or larger, and the nonaqueous electrolyte contains a compound having two or more nitrile groups in the molecule
Public/Granted literature
- US20120251893A1 NONAQUEOUS SECONDARY BATTERY AND METHOD OF USING THE SAME Public/Granted day:2012-10-04
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