Carbon materials, electrodes and nonaqueous electrolyte...

Details Carbon materials, electrodes and nonaqueous electrolyte... Carbon materials, electrodes and nonaqueous electrolyte...

2005-03-22

2005-03-22

Ryan, Patrick (Department: 1745)

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

C429S231800, C429S231950, C423S414000

Reexamination Certificate

active

06869546

ABSTRACT:
For us in nonaqueous electrolyte secondary cells, the invention provides an electrode which comprises a first carbon material serving as a core material, and a second carbon material coating the first carbon material over the surface thereof and containing boron. When used as an active substance for negative electrode to provide a nonaqueous electrolyte secondary cell, the electrode diminishes the reduction of the cell capacity that would result if the cell is allowed to store, giving improved storage characteristics to the cell.

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