McDermott Will & Emery LLP
Positive electrode active material and non-aqueous electrolyte secondary battery containing the same
In a non-aqueous electrolyte secondary battery comprising: a negative electrode containing, as a negative electrode active material, at least a material capable of absorbing and desorbing lithium ions or metal lithium; a positive electrode; and an electrolyte, an oxide containing nickel and manganese elements, the material comprising primary particles of the oxide having a twining portion and a superlattice arrangement of a [√{square root over (3)}×√{square root over (3)}] R30° when assigned as R3-m is used as a positive electrode active material.
Panasonic Corporation Osaka City University
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inventional additional inventional additional additional additional additional additional
Tsutomu Masatoshi Hiroshi
Ohzuku Nagayama Yoshizawa