Cathode active material and lithium battery employing the same
AssigneeSamsung SDI Co., Ltd.
InventorsDo-young Seung, Won-chel Jung, Chil-hoon Do, Sung-in Moon
Life of this patent
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Abstract
A cathode active material and a lithium secondary battery employing the same are provided. In the cathode active material includes cyclic bis (2,5-bis-dithio -1,4-dimethoxybenzene) represented by formula 1: 1
Claims25
A cathode active material comprising cyclic bis (2,5-bis-dithio-1,4-dimethoxybenzene) represented by formula 1:
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A lithium battery comprising:
- a cathode having a cathode active material layer comprising cyclic bis (2,5-bis-dithio-1,4-dimethoxybenzene) represented by formula 1, a conductive agent and a binder;
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- an anode having an anode layer comprising lithium metal or a lithium alloy;
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- a separator interposed between the cathode and the anode.
An organopolysulfide represented by formula 2:
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An organopolysulfide represented by formula 3:
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- wherein n is an integer from 2 to 10.
An organopolysulfide which is producecd by a reaction between sulfur monochloride and a compound represented by formula 4:
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- wherein R is a hydrogen atom or a methyl group.
An organopolysulfide represented by formula 7:
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Dependencies are inferred from the claim text.