Electrode used for a non-aqueous electrolyte secondary...

Details Electrode used for a non-aqueous electrolyte secondary... Electrode used for a non-aqueous electrolyte secondary...

2003-09-29

2008-08-05

Ruthkosky, Mark (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S238000

Reexamination Certificate

active

07407727

ABSTRACT:
An electrode according to the invention can provide a non-aqueous electrolyte secondary battery having an ability to release a volume expansion at the time of charge and discharge as well as the time of a cycle. The electrode comprises a current collector made of a material which is not alloyed with Li, and a dot pattern2of a metallic material able to be alloyed with Li formed on the current collector. At the time of charge, since the volume expansion of each dot3is carried out so as to bury adjoining crevices4between the dots, a stress generated is released, thereby degradation of an electrode being avoided. Each dot may also be made into porosity.

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Manahan, S.E. “General Applied Chemistry,” PWS, Boston, 1982, periodic table inside the cover.

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