Methods of storing and retrieving electric energy

Details Methods of storing and retrieving electric energy Methods of storing and retrieving electric energy

2007-03-20

2007-03-20

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

C361S508000, C361S512000, C361S306100, C361S306300, C429S218200, C429S224000, C320S118000, C320S118000, C320S118000

Reexamination Certificate

active

10822876

ABSTRACT:
A method and apparatus for storing large quantities of electric energy in a small mass and volume at a high dc electric potential. Dispersed conductive particles16in a dispersing medium15contained in an insulator casing21between an insulating divider11and either a positive conductive plate12or a negative conductive plate13accumulate and store electric charges. A procedure of particle-to-particle charge pumping is employed to convey electric charges to and from the positive conductive plate12and the negative conductive plate13to the surfaces of each of a great multitude of dispersed conductive particles16.Energizing results in oppositely charged dispersed conductive particles16becoming electrically bound to the surfaces of the insulating divider11with a large quantity of electric charges also residing on the outside surfaces of the repelling dispersed conductive particles16,whereby the total effective capacitor plate surface area is greatly increased. A large effective plate surface area combined with a high working dc voltage allows a large quantity of electric energy to be stored in a small mass and volume that can also be retrieved very rapidly for doing useful work.

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patent: 6477035 (2002-11-01), Cepas et al.
patent: 6847126 (2005-01-01), Adamson et al.

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