Self-sustaining power module

Details Self-sustaining power module Self-sustaining power module

H - Electricity

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H01L 31/115 (2006.01) G21H 1/12 (2006.01) H01L 31/04 (2006.01) H01L 31/055 (2006.01) H02J 1/10 (2006.01) H02N 6/00 (2006.01)

Patent

CA 1301838

A SELF-SUSTAINING POWER MODULE ABSTRACT OF THE DISCLOSURE A self-sustaining power module (10) that combines the technologies of radioactivity with photovoltaic cells (12) to produce an electrical power supply having a useful life of over ten years. The radioactive source is a tritium capsule (22) that interfaces with the receptor surface of the photovoltaic cell (12). The capsule (22) has inside surfaces that are coated with a phosphor and is filled with tritium gas (26). The tritium gas produces beta particles that bombard the phosphor (18) causing the phosphor to luminesce and produce photons. The photons, in turn, strike and cause the photovoltaic cell (12) to generate a current flow that is then applied, via a pair of electrodes (30),(32), to an external load. Also disclosed is a power pack (40) that houses a plurality of power modules (10). The power pack includes provisions that allow the power modules (10) to be elec- trically interconnected to provide various series, parallel and series-parallel power output combinations.

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