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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) APPLICATION No: 893/CHE/2004A
(22) Date of filing of Application:03/09/2004 (43) Publication Date: 09/06/2006
(54) Title of the invention:
POLYFLUORINATED BORON
CLUSTER ANIONS FOR LITHIUM
ELECTROLYTES.
(51)International classification:H 01 M
10/40
(31) Priority Document No.10/655476
(32) Priority Date:04/09/2003
(33) Name of priority country:USA
(87) WIPO No. :
(61) Patent of addition to
Application No. :
Filed on:
(62) Divisional to
Applcation No.:
Filed on:
(71) Name of Applicant
AIR PRODUCTS AND
CHEMICALS,INC,
Address of Applicant:
7201 HAMILTON
BOULEVARD,ALLENTOWN,PA 18195-
1501,,
U.S.A.
(72) Name of the Inventor(s):
SERGEI VLADIMIROVICH IVANOV.
WILLIAM JACK CASTEEL,JR.
GUIDO PETER PEZ.
MICHAEL ULMAN.
(57)Abstract
The present invention relates to an improvement in lithium secondary batteries comprised of a negative electrode, a
positive electrode, a separator, and a lithium-based electrolyte carried in an aprotic solvent and to the electrolyte
compositions. The improvement resides in the use of a lithium electrolyte of the formula:
Li2B12FxZ12-x
wherein x = > 5 and Z represents H, CI, and Br. Preferably, when x is less than 12, Z is Cl
The Patent Office Journal 09/06/2006 10836