Title:
ACTIVE METAL/AQUEOUS ELECTROCHEMICAL CELLS AND SYSTEMS
Document Type and Number:
WIPO Patent Application WO2005038953
Kind Code:
A3
Abstract:
Alkali (or other active) metal battery and other electrochemical cells incorporating active metal anodes together with aqueous cathode/electrolyte systems. The battery cells have a highly ionically conductive protective membrane (704) adjacent to the alkali metal anode (702) that effectively isolates (de-couples) the alkali metal electrode from solvent, electrolyte (708) processing and/or cathode environments, and at the same time allows ion transport in and out of these environments. Isolation of the anode from other components of a battery cell or other electrochemical cell in this way allows the use of virtually any solvent, electrolyte and/or cathode material in conjunction with the anode. Also, optimization of electrolytes or cathode-side solvent systems may be done without impacting anode stability or performance. In particular, Li/water, Li/air and Li/metal hydride cells, components, configurations and fabrication techniques are provided.
Inventors:
VISCO STEVEN J (US)
NIMON YEVGENIY S (US)
NIMON YEVGENIY S (US)
Application Number:
PCT/US2004/033424
Publication Date:
April 13, 2006
Filing Date:
October 08, 2004
Export Citation:
Assignee:
POLYPLUS BATTERY CO INC (US)
VISCO STEVEN J (US)
NIMON YEVGENIY S (US)
VISCO STEVEN J (US)
NIMON YEVGENIY S (US)
International Classes:
H01M4/86; H01M4/90; H01M6/04; H01M6/34; H01M10/24; H01M10/36; H01M12/06; H01M14/00; H01M16/00; H01M50/431; H01M50/434; H01M50/437; H01M50/451; H01M50/414; (IPC1-7): H01M10/36; H01M6/34; H01M12/06; H01M10/34; H01M12/04; H01M6/04; H01M10/24
Domestic Patent References:
| WO2005038962A2 | 2005-04-28 | |||
| WO2005038953A2 | 2005-04-28 |
Foreign References:
| US6358651B1 | 2002-03-19 | |||
| US6391492B1 | 2002-05-21 | |||
| US6025094A | 2000-02-15 | |||
| EP0838441A2 | 1998-04-29 | |||
| US4414293A | 1983-11-08 | |||
| US5166011A | 1992-11-24 | |||
| US6228527B1 | 2001-05-08 | |||
| US20010041294A1 | 2001-11-15 |
Other References:
DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; 31 December 1976 (1976-12-31), GALBRAITH, A. D.: "The lithium-water-air battery for automotive propulsion", XP002355800, retrieved from STN Database accession no. 1979:106901
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