Flexible thin layer open electrochemical cell
First Claim
1. A flexible thin layer open liquid state electrochemical cell comprising a first layer of insoluble negative pole, a second layer of insoluble positive pole and a third layer of aqueous electrolyte, said third layer being disposed between said first and second layers and including:
- (a) a deliquescent material for keeping the open cell wet at all times;
(b) an electroactive soluble material for obtaining required ionic conductivity; and
(c) a watersoluble polymer for obtaining a required viscosity for adhering said first and second layers to said third layer.
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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 third layer. The electrochemical cell of the present invention is preferably produced using a suitable printing technology.
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Citations
30 Claims
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1. A flexible thin layer open liquid state electrochemical cell comprising a first layer of insoluble negative pole, a second layer of insoluble positive pole and a third layer of aqueous electrolyte, said third layer being disposed between said first and second layers and including:
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(a) a deliquescent material for keeping the open cell wet at all times; (b) an electroactive soluble material for obtaining required ionic conductivity; and (c) a watersoluble polymer for obtaining a required viscosity for adhering said first and second layers to said third layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A method of making a flexible thin layer open liquid state electrochemical cell comprising the steps of:
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(a) wetting a porous substance having a first side and a second side with an aqueous solution containing a deliquescent material, an electroactive soluble material and a watersoluble polymer; (b) applying onto said first side a layer of negative pole; and (c) applying onto said second side a layer of positive pole. - View Dependent Claims (27, 28, 29, 30)
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Specification