A SOLVATED ELECTRON SECONDARY LITHIUM ELECTRODE FOR HIGH ENERGY DENSITY BATTERIES

Award Information
Agency:
National Science Foundation
Branch
n/a
Amount:
$200,000.00
Award Year:
1987
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
2633
Agency Tracking Number:
2633
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Eltron Research Inc. (Currently ELTRON RESEARCH & DEVELOPMENT, INCORPORATED)
4260 Westbrook Dr, Aurora, IL, 60505
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Anthony F Sammells
President
(312) 898-1583
Business Contact:
() -
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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