Electron acceptor substituted carbons for use as anodes in...

Details Electron acceptor substituted carbons for use as anodes in... Electron acceptor substituted carbons for use as anodes in...

H - Electricity

01

M

H01M 4/24 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2098248

A battery using carbonaceous materials with a graphite or disordered graphite structure wherein boron atoms are substituted for carbon atoms in the structure. The electrochemical potential of the carbonaceous materials is shifted as a result of such substitution, and the electrochemical capacity is increased. Both effects are desirable for anode materials in lithium ion type batteries.

Cette invention concerne une batterie comportant des matériaux carbonés à structure graphitique ou graphitique désordonné où des atomes de bore prennent la place d'atomes de carbone. Le potentiel électrochimique des matériaux carbonés est ainsi modifié pour une plus grande capacité de réaction électrochimique. Les deux effets sont souhaitables dans les anodes d'une batterie aux ions lithium.

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