Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1995-10-16
1996-09-03
Willis, Jr., Prince
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429194, 429197, 429198, 296231, H02M 1200, H02M 1000
Patent
active
055522440
ABSTRACT:
A reversible high energy capacity battery and method of making that battery. A cathode is formed by packing a mixture of from about 10 to 90 weight percent finely divided sulfur and from about 90 to 10 weight percent finely divided graphite about an electrically conductive electrode, preferably in a porous enclosure. This cathode and a reactive metal anode are placed in a case of suitable configuration which is non-reactive with other components. An electrolyte is prepared by mixing particles of an ion exchange resin system including a polyalkyl sulfide, a resin substrate and agent selected from the group consisting of H.sub.2 S, HS.sup.-, S.sub.2.sup.- and mixtures thereof in a polar solvent, such as water. Buffering agents, conditioners and complexing agents may be added to the electrolyte to improve battery life and performance.
REFERENCES:
patent: 3993503 (1976-11-01), Ludwig
patent: 4025699 (1977-05-01), Silva et al.
patent: 4731309 (1988-03-01), Hoffman
Edling Jack V.
Griffin Eric B.
Duncan John R.
Gilliam Frank D.
Griffen Eric Blair
Lilley, Jr. Richard H.
Willis Jr. Prince
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