C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 1/02 (2006.01) C07C 49/12 (2006.01) C07C 49/16 (2006.01) C07C 49/167 (2006.01) C07C 49/185 (2006.01) C07C 205/45 (2006.01) C07C 317/04 (2006.01) C07D 339/00 (2006.01) C07F 3/02 (2006.01) C07F 5/06 (2006.01) H01M 6/16 (2006.01) H01M 6/18 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2067751
Salts for use in nonaquous electrolytes, and electrolytes and electromical generators including such materials. An exemplary compound for use as an electrolyte in an electrochemical cell has the formula Image wherein Mn+ is an ion of Li. Na, K. Ca. Mg, Zn. or Al; each of the moieties Y, Y', and Y", are >SO2 or >CO; the groups R and R' are separate halogenated alkyl groups of 1-4 carbon atoms. respectively or are joined together to constitute a unitary halogenated alkylene radical of from 2-4 carbon atoms linking Y and Y' and forming a ring structure which includes R. R', Y, Y', and the carbon atom to which Y and Y' are attached: the group R" is an alkyl or haloalkyl radical of 1- 4 carbon atoms or a halogenated phenyl group; n is an integer of 1-3 depending on the identity of the metal M; and metal ion Mn+ is an ion of Li, Na. Ca. Mg, Zn or Al when each of the Y-R. Y'-R'. and Y"-R" groups is SO2CF3. In another exemplary compound, the -Y"-R" group is replaced by Z. which is an electron-withdrawing substituent selected from the group consisting of -C(O)H, -NO2, -CN. -F. and perfluorinated alkyls and aryls containing no more than 8 carbons.
Covalent Associates Incorporated
Ridout & Maybee Llp
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