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US 2004/0072071 A1Published application
Secondary cell
OwnerMikio Watanabe, Tatsuji Numata +1inventors
InventorsMikio Watanabe, Tatsuji Numata, Tomokazu Kumeuchi
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Abstract
A non-aqueous-electrolyte based secondary battery includes a mixture of lithium manganate and lithium nickelate as a cathode active material, and includes at least one element selected from Bi, Pb, Sb and Sn. The secondary battery has a higher capacity, is superior in safety and yet superior in the high-temperature cycle characteristic
Claims5
A secondary battery comprising a mixture of lithium manganate and lithium nickelate as a cathode active material, characterized in that:
- a cathode electrode includes therein at least one element selected from Bi, Pb, Sb and Sn.
Dependencies are inferred from the claim text.