Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2005-10-18
2005-10-18
Barr, Michael (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S315000
Reexamination Certificate
active
06955867
ABSTRACT:
An object of the present invention is to provide a non-aqueous electrolyte secondary cell having excellent resistance to deterioration, excellent self-extinguishability or incombustibility, and excellent discharge properties at low temperatures, a deterioration inhibitor for a non-aqueous electrolyte secondary cell which can improve resistance to deterioration, and an additive for a non-aqueous electrolyte which can improve self-extinguishability or incombustibility.The non-aqueous electrolyte secondary cell has a positive electrode, a negative electrode, and, in a first aspect, a non-aqueous electrolyte containing at least 2% by volume and less than 20% by volume of a phosphazene derivative, and a supporting salt, and, in a second aspect, a non-aqueous electrolyte containing at least 20% by volume of the phosphazene derivative, and the supporting salt. The deterioration inhibitor for a non-aqueous electrolyte secondary cell and the additive for a non-aqueous electrolyte secondary cell are added to the non-aqueous electrolyte of the non-aqueous electrolyte secondary cell and contain at least the phosphazene derivative.
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U.S. Appl. No. 10/363,172, filed Mar. 31, 2003, Endo, Shigeki, Additive for Nonaqueous-Electrolyte Secondary Battery.
U.S. Appl. No. 10/363,171, filed May 5, 2003, Endo, Shigeki, Additive for Non-Aqueous Liquid Electrolyte, Non-Aqueous Liquid Electrolyte Secondary Cell and Non-Aqueous Liquid Electrolyte Electric Double Layer Capacitor.
U.S. Appl. No. 10/293,560, filed Nov. 14, 2002, Endo, Shigeki, Cleaning Vessel and Silicon Carbide Sintered Body Used Therefor.
U.S. Appl. No. 10/275,008, filed Oct. 31, 2002, Endo, Shigeki, Nonaqueous Electrolyte Secondary Battery.
U.S. Appl. No. 10/161,715, filed Jun. 5, 2002, Endo, Shigeki, Silicon Carbide Single Crystal and Production Thereof.
U.S. Appl. No. 10/131,091, now U.S. Pat. No. 6,733,736, filed Apr. 25, 2002, Endo, Shigeki, Silicon Carbide Powder and Method for Producing the Same.
U.S. Appl. No. 10/130,069, filed May 15, 2002, Endo, Shigeki, Non-Aqueous Electrolyte Secondary Cell and, Deterioration-Preventing Agent for Non-Aqueous Electrolyte Secondary Cell and Additive for Non-Aqueous Electrolyte Secondary Cell for Use Therein.
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Endo Shigeki
Ogino Takao
Otsuki Masashi
Barr Michael
Brigdestone Corporation
Oliff & Berridg,e PLC
Wills Monqiue
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