Invention Grant
- Patent Title: Secondary battery
- Patent Title (中): 二次电池
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Application No.: US12403699Application Date: 2009-03-13
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Publication No.: US08221656B2Publication Date: 2012-07-17
- Inventor: Masayuki Ihara , Hiroyuki Yamaguchi , Tadahiko Kubota
- Applicant: Masayuki Ihara , Hiroyuki Yamaguchi , Tadahiko Kubota
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: K&L Gates LLP
- Priority: JP2008-068265 20080317
- Main IPC: H01B1/12
- IPC: H01B1/12 ; H01B1/06 ; H01M6/16

Abstract:
A secondary battery capable of improving the cycle characteristics and the storage characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains an anode active material containing a material that is capable of inserting and extracting an electrode reactant and has at least one of metal elements and metalloid elements. Further, the electrolytic solution contains a solvent containing a sulfone compound having a structure in which —S(═O)2—S—C(═O)— bond is introduced to a benzene skeleton.
Public/Granted literature
- US20090233180A1 SECONDARY BATTERY Public/Granted day:2009-09-17
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