Positive active material and nonaqueous electrolyte...

Details Positive active material and nonaqueous electrolyte... Positive active material and nonaqueous electrolyte...

2004-04-09

2011-11-22

Cantelmo, Gregg (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231100

Reexamination Certificate

active

08062794

ABSTRACT:
A positive active material is composed of particles of a compound oxide of lithium and a transition metal. This compound oxide has a layered structure. A coating layer of an inorganic compound and a carbonaceous material is formed on at least part of each surface of the particles. The inorganic compound is a lithium compound. The weight ratio of the inorganic compound to the carbonaceous material ranges between 99:1 and 60:40. The weight ratio of the particles to the coating layers ranges between 98:2 and 70:30.

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IPDL Machine Translation of JP 2002-373643A.

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