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US 6,294,291 B1Granted
Secondary battery or cell with a non-aqueous electrolyte
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsYoshiyuki Ozaki, Nobuo Eda, Akiyoshi Morita
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Abstract
A secondary battery with non-aqueous electrolyte having a high voltage and energy density and a superior cycle property, characterized in that a cathode comprises composite oxides containing lithium and an anode comprises composite carbon materials containing graphite spherical particles and carbon fibers. The carbon fiber improves the stiffness of the anode depolarizing mix to prevent the body made thereof from swelling and decomposing.
Claims4
A secondary battery or cell with a non-aqueous electrolyte comprising:
- a cathode containing composite oxides including lithium;
- a non-aqueous electrolyte;
- and
- an anode capable of being recharged repeatedly, said anode being a composite carbon material containing carbon fibers and graphite spherical particles, wherein said graphite spherical particles are mesocarbon microbeads.
1 more element
Dependencies are inferred from the claim text.