Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2005-03-31
2008-12-23
Rhee, Jane (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S188000, C429S231950, C429S223000, C429S224000, C429S231100
Reexamination Certificate
active
07468225
ABSTRACT:
A non-aqueous electrolyte secondary battery including a positive electrode and a negative electrode each capable of absorbing and desorbing lithium, a separator interposed therebetween, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material represented by: LiM1-xLxO2where 0.005≦x≦0.1 is satisfied, M is at least one selected from the group consisting of Mn, Co and Ni, and L is at least one selected from the group consisting of Mg, Al, Ti, Sr, Zn, B, Ca, Cr, Si, Ga, Sn, P, V, Sb, Nb, Ta, Mo, W, Zr, Y and Fe, and the non-aqueous electrolyte includes a phosphinate compound represented by:where R1, R2and R3are each independently an aryl group, or an alkyl group, an alkenyl group or an alkynyl group each having 1 to 5 carbon atoms.
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Deguchi Masaki
Kinoshita Shin-ichi
Matsui Tooru
Onuki Masamichi
Yoshizawa Hiroshi
McDermott Will & Emery LLP
Mitsubishi Chemical Corporation
Panasonic Corporation
Rhee Jane
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