Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Reexamination Certificate
2002-07-29
2010-12-07
Yuan, Dah-Wei (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer or spacer insulating structure
C429S186000, C564S123000
Reexamination Certificate
active
07846576
ABSTRACT:
There are provided a novel onium salt and a method for optimizing the interface of a negative electrode by the use of the novel onium salt and/or a conventional onium salt. Such a method is characterized in that an electrolyte comprising novel 2,2,2-trifluoro-N-(trifluoromethanesulfonyl)acetamide.tetraethyl ammonium salt is made to intervene between a negative electrode and a positive electrode in an electrochemical device having the constitution: a negative electrode| an electrolyte| a positive electrode, thereby constructing an electrode structure in the electrochemical device, and applying a voltage between the negative electrode and the positive electrode so as for the negative electrode to have a potential of −1 V to −5 V in terms of the potential relative to a reference electrode of I−/I3−, thereby forming a passive-state layer comprising a decomposition product of the above electrolyte or salt on the surface of the above negative electrode.
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U.S. Appl. No. 11/870,058, filed Oct. 10, 2007, Tomonori Matsunaga et al.
Kawahara Takeo
Matsumoto Hajime
Matsunaga Tomonori
Martin Angela J.
National Institute of Advanced Industrial Science and Technology
Ostrolenk Faber LLP
Tokuyama Corporation
Yuan Dah-Wei
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