Abstract
Betavoltaic Generators for Portable Electronic Systems Conventional energy sources, based on electrochemical processes, have become an everyday element, being used in countless electronic equipment, such as smartphones and notebooks. However, even with advances in technology in the last decade, they show a lower evolution than expected, causing a limitation of electronic devices, creating a need for more powerful energy sources. The development of a radioisotope generator, based on betavoltaic systems, which uses non-thermal processes generating electrical energy based on the emission of beta radiation, a technology that would allow an electronic device to function for long periods, without the need for recharging or replacement. However, despite the advantages that this technology presents us, we have the challenge regarding health risks caused by undue exposure to radiation, where the Comissão Nacional de Energia Nuclear (CNEN), which establishes dosage limits, which must be followed to design of a betavoltaic generator using materials and techniques, allowing such devices to be developed for safe handling and use, based on the level of beta radiation emitted and the behavior of the radioisotope employed, allowing the dimensioning of an efficient shield and safe.
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