Double layer energy storage device
AssigneeThe Standard Oil Company
InventorRichard C. Boland
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Abstract
The present invention provides an improved electrical double layer energy storage cell comprising a pair of electrodes, at least one of which is a carbon paste electrode, a porous ionically conductive separator and an ion insulated connector, the improvement wherein said carbon paste electrode comprises carbon exhibiting a pore volume of less than about 0.45 cc/gm and a median pore radius of less than about 150 Angstroms.
Claims21
An improved double layer energy storage cell, said cell containing a pair of electrodes, at least one of said electrodes being a carbon paste electrode, a porous ionically conductive separator and an ion insulating connector, the improvement wherein said carbon paste electrode comprises carbon exhibiting a pore volume of less than about 0.45 cc/gm and a median pore radius of less than about 150 Angstroms.
An improved double layer energy storage device comprised of a plurality of electrical double layer energy storage cells containing a pair of electrodes, at least one of said electrodes being a carbon paste electrode, a porous ionically conductive separator and an ion insulating connector, the improvement wherein said carbon paste electrode comprises carbon exhibiting a pore volume of less than about 0.45 cc/gm and a median pore radius of less than about 150 Angstroms.
An electrical double layer energy storate cell comprising:
- (a) a housing;
- (b) at least one pair of spaced carbon paste electrodes in said housing;
- said electrodes being an admixture of carbon and electrolyte, said carbon exhibiting a pore volume of less than about 0.45 cc/gm and a median pore radius of less than about 150 Angstroms;
- and
- (c) an ionically conductive separator means between and in contact with said electrodes, said separator means electronically separating said electrodes from each other.
An electrical double layer energy storage device comprising a plurality of electrical double layer energy storage cells, said cells each comprising:
- (a) a housing;
- (b) at least one pair of spaced carbon paste electrodes in said housing;
- said electrodes being an admixture of carbon and electrolyte, said carbon exhibiting a pore volume of less than about 0.45 cc/gm and a median pore radius of less than about 150 Angstroms;
- and
- (c) an ionically conductive separator means between and in contact with said electrodes, said separator means electronically separating said electrodes from each other.
Dependencies are inferred from the claim text.