Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2006-09-28
2009-12-22
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S224000
Reexamination Certificate
active
07635539
ABSTRACT:
As a negative electrode active material, carbon materials such as natural graphite, artificial graphite, non-graphitized carbon, and cork (charcoal) can be used. Further, a negative electrode comprises an active material layer including a group of particulate negative electrode active materials, and nickel is carried on a surface of the active material layer. Examples of a method of carrying nickel on a negative electrode surface include a method by coating, an evaporation method, and a method of bringing nickel ions into existence in a non-aqueous electrolyte to deposit nickel on a negative electrode surface. The amount of nickel added to the non-aqueous electrolyte is not less than 0.0008 mol/1 nor more than 0.007 mol/1.
REFERENCES:
patent: 6391497 (2002-05-01), Yoon et al.
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patent: 11-317227 (1999-11-01), None
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patent: 2002-231226 (2002-08-01), None
patent: 2003-217657 (2003-07-01), None
Akita Hiroyuki
Hasumi Koji
Kida Yoshinori
Kwon Ashley
McDermott Will & Emery LLP
Ryan Patrick
Sanyo Electric Co,. Ltd.
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