Invention Grant
US08221656B2 Secondary battery 失效
二次电池

Secondary battery
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.
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