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A SOLVATED ELECTRON SECONDARY LITHIUM ELECTRODE FOR HIGH ENERGY DENSITY BATTERIES

Award Information
Agency: National Science Foundation
Branch: N/A
Contract: N/A
Agency Tracking Number: 2633
Amount: $200,000.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1987
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
4260 Westbrook Dr
Aurora, IL 60505
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Anthony F Sammells
 President
 (312) 898-1583
Business Contact
Phone: () -
Research Institution
N/A
Abstract

TECHNICAL EFFORT IS DIRECTED TOWARDS DETERMING THE FEASIBILITY OF AN ELECTROCHEMICALLY REVERSIBLE LIQUID NEGATIVE ACTIVE MATERIAL CONSISTING OF LITHIUM DISSOLVED IN LIQUID AMMONIA TO GIVE A NOVEL SOLVATED ELECTRON SECONDARY LITHIUM ELECTRODE. CONTAINMENT OF THE ACTIVE MATERIAL FROM DIRECT CONTACT TO THE LIQUID NON-AQUEOUS ELECTROLYTE IS REALIZED VIA USE OF A LITHIUM INTERCALATED ELECTRONICALLY CONDUCTING CERAMIC MEMBRANE. EMPHASIS IN THE PROGRAM WILL BE PLACED ON LIXWO2(X 1) AS THE LITHIUM INTERCALATED MATERIAL. THE APPROACH IS EXPECTED TO EXPERIMENTALLY DEMONSTRATE BOTH HIGH ELECTROCHEMICAL REVERSIBILITY AND PROVIDE AN ELECTRODE/ELECTROLYTE INTERFACE WHICH PROVIDES A MINIMUM OVERPOTENTIAL LOSS UPON INITIAL CELL DISCHARGE WHICHIS NORMALLY ASSOCIATED WITH RUPTURE AND REMOVAL OF THE LITHIUM SELF-DISCHARGE PASSIVATING LAYER. IN THE COURSE OF THIS PROGRAM THE FOLLOWING SECONDARY LITHIUM CELLS WILL BE FABRICATED AND THEIR PRELIMINARY ELECTROCHEMICAL PERFORMANCEDETERMINED: LI,NH3/LIXWO2/2ME-THF,LIASF6/TIS2 AND LI,NH3/LIXWO2/SO2,LIGAC14,CUC12/C THE NOVEL "LIQUID" LITHIUM ELECTRODE IS EXPECTED TO PERMIT GREATER VERSATILITY IN FINALLY SELECTED BATTERY GEOMETRIES.

* Information listed above is at the time of submission. *

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