Appeal No. 1996-2758
Application No. 08/103,792
(emphasis added).” See column 1, lines 51-53. According to
Horiba (column 2, lines 34-68):
Examples of the anions useful for the present
invention include BF -, AlC1 -, A F , PF -, SCN-, SbF --
4 4 s 6 6 6
, NbF -, and TaF -. Examples of the cations used in6 6
combination therewith include alkali metal ions such
as Li+, Na+ and K+, ammonium ions such as
(CH ) N+,(C H ) N+,(C H )
3 4 2 54 37 4
N+, (CH ) (C H )N+,(C H ) (C H )N+,(C H ) N+,(CH ) -
33 4 9 2 53 6 13 5114 2 5
N+(CH ) , (i-C H ) N+,(n-C H ) N+,(n-C H ) N+,(n-51117 4
32 5 114 6 13 4 8
C H ) N+(CH -C H ),(CH ) (C H ).(C H )N+, etc.,
49 3 2 65 3 2 2 5 6 5
phosphonium ions such as (C H ) -P+,(CH ).(C H )
6 54 3 6 5 3
P+,(CH )
32
.(C H ) P+,(CH ) (C H )P+,(C H ).(C H ) P+,(C H ) .(C H ) P+,
6 52 33 6 5 2 5 653 2 52 6 5 2
HP+(C H ) ,(C H ).(C H ) P+,(CH =CHCH ).(C H ) P+,(CH ) =P+(
65 3 37 65 3 2 2 6 53 2 3
C H .C H ) ,(CH ) P+ =(C H C H C H ) wherein n is 6, 1037n
64 6 52 2 6 4.6 4.6 52
or 12, and (CH .C H ) P+(C H ) wherein m+n is 4, n is
3 6 5m 6 5 n
1, 2 or 3, and arsonium ions such as (CH ).(C H ) As+,
3 65 3
(C H ).(C H ) As+,(CH .C H )As+(C H ) (C H ) As+,(CH ) .
25 65 3 3 65 6 5 3 6 5 4 3 2
(CH.C H ). (C H ) As+,(C H .C H ).(C H ) As+, and255
6 65 3 65 6 4 6 53
(C H .CH ).(C H ) As+. Any organic solvent can be used
65 2 65 3
for dissolving at least one kind of the anions and
cations above provided that it is inert for the
electrodes and other materials, provided that
electrolytic substance can be dissolved therein and
an increased electric conductivity can be imparted
thereto, and provided that it is not decomposed by
the charging and discharing. Examples of organic
solvents include acetonitrile, propylene carbonate,
tetrahydro-furan, (-butyrolactone, 1,2-
dimethoxyethane, dioxane, dichloroethane, 1,2-
dichloroethane, N,N,-dimethyl-formamide, dimethyl
sulfoxide, dimethyl sulfite, ethylene carbonate,
1,3-dioxolane, nitromethane, formamide, methyl
formate, and 2-methyltetrahydrofuran, of which at
least one is used. (Emphasis added).
6
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