Positive electrode active material and non-aqueous electrolyte secondary battery containing the same

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United States of America Patent

PATENT NO 6551744
SERIAL NO

09723777

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Abstract

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The present invention discloses a non-aqueous electrolyte secondary battery comprising: a negative electrode containing metallic lithium or a substance at least capable of absorbing/desorbing lithium ion; a separator; a positive electrode; and an electrolyte, wherein the active material for the positive electrode comprises an oxide containing nickel element and manganese element in substantially the same atomic ratios. The non-aqueous electrolyte secondary battery thus fabricated is low cost in construction and has a high capacity.

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Patent Owner(s)

Patent OwnerAddress
OSAKA CITY UNIVERSITY3-3-138 SUGIMOTO SUMIYOSHI-KU OSAKA-SHI OSAKA OSAKA-SHI OSAKA 558-8585

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagayama, Masatoshi Hirakata, JP 50 1624
Ohzuku, Tsutomu Nara, JP 18 684
Yoshizawa, Hiroshi Hirakata, JP 128 2305

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