Layered metal foil semiconductor power device

Electrical generator or motor structure – Non-dynamoelectric – Nuclear reaction

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136202, 429 5, H01M 1400

Patent

active

061182044

ABSTRACT:
The present invention is a power cell for directly converting ionizing radiation into electrical energy. The invented isotopic electric converter provides an electrical power source that includes an electronegative material layered in a semiconductor, to form a first region that has a high density of conduction electrons, and an electropositive material also layered in the semiconductor material to form a second region with a high density of holes. Said N-layers region and P-layers region are separated by a neutral zone of semiconductor material doped with a radioactive isotope, such as, but not limited to, tritium. No junction is formed between the N and P layers regions. Rather, the potential gradient across the neutral zone is provided by the difference between the work functions of the electronegative and electropositive electrodes. Electrical contacts are affixed to the respective regions of the first and second type conductivity which become the anode and cathode of the cell, respectively. Beta particles emitted by the tritium generate electron-hole pairs within the neutral zone, which are swept away by the potential gradient between the first and second regions, thereby producing an electric current.

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