Method for making negative electrode component including a...

Details Method for making negative electrode component including a... Method for making negative electrode component including a...

2005-05-12

2010-02-09

Alejandro, Raymond (Department: 1795)

Metal working

Method of mechanical manufacture

Electrical device making

C029S623500

Reexamination Certificate

active

07658775

ABSTRACT:
A method for making a negative electrode component used in a nonaqueous secondary battery that includes the steps of polishing the surface of the negative electrode component by irradiating the surface with light to produce a negative electrode that includes a carbonaceous material in which the ratio RG=Gs/Gb is at least 4.5, where Gs is the degree of graphitization the carbonaceous material as determined by a surface-enhanced Raman spectrum and Gb is degree of graphitization of the carbonaceous material as determined by a Raman spectrum measured using argon laser light and both Gs and Gb are measured under set parameters.

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Japanese Office Action issued on Sep. 6, 2007.

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