Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1995-12-20
1997-07-29
Ryan, Patrick
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428210, 428688, 428701, 429 82, 429127, 429152, 429162, 429224, 429229, B32B 900
Patent
active
056520433
ABSTRACT:
A flexible thin layer open liquid state electrochemical cell which can be used as a primary or rechargeable power supply for various miniaturized and portable electrically powered devices of compact design. The cell includes a wet electrolyte, yet maintains a flexible, thin and open configuration, thus devoid of accumulation of gases upon storage. The cell comprising a first layer of insoluble negative pole, a second layer of insoluble positive pole and a third layer of aqueous electrolyte, the third layer being disposed between the first and second layers and including a deliquescent material for keeping the open cell wet at all times; an electroactive soluble material for obtaining required ionic conductivity; and, a watersoluble polymer for obtaining a required viscosity for adhering the first and second layers to the first layer. The electrochemical cell of the present invention is preferably produced using a suitable printing technology.
REFERENCES:
patent: 3901732 (1975-08-01), Kis
patent: 4119770 (1978-10-01), Land
patent: 4195121 (1980-03-01), Peterson
Baruch Levanon
Friedman Mark M.
Ryan Patrick
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