Title:
LITHIUM ELECTROCHEMICAL CELLS WITH ENHANCED CYCLE LIFE
Document Type and Number:
WIPO Patent Application WO2001080329
Kind Code:
A3
Abstract:
A secondary lithium-sulfur electrochemical cell is provided comprising: (a) an anode comprising lithium; (b) a cathode comprising an electroactive sulfur-containing material; and (c) a non-aqueous electrolyte interposed between the anode and the cathode, wherein the electrolyte comprises: (i) one or more lithium salts; (ii) one or more non-aqueous solvents; and (iii) a cycle life enhancing amount of water; wherein the cycle life enhancing amount of water is greater than 3000 ppm by weight of the electrolyte. Such cells have a long cycle life.
More Like This:
Inventors:
GERONOV YORDAN M (US)
Application Number:
PCT/US2001/012541
Publication Date:
August 08, 2002
Filing Date:
April 17, 2001
Export Citation:
Assignee:
MOLTECH CORP (US)
GERONOV YORDAN M (US)
GERONOV YORDAN M (US)
International Classes:
H01M10/052; H01M10/0567; H01M10/36; H01M4/38; H01M4/60; H01M6/16; (IPC1-7): H01M10/40; H01M4/60
Domestic Patent References:
WO1997044840A1 | 1997-11-27 |
Foreign References:
US5962171A | 1999-10-05 | |||
EP0603397A1 | 1994-06-29 |
Download PDF: