Applied Radiation and Isotopes· 2017Q2
Temperature effects on gallium arsenide 63 Ni betavoltaic cell
- 38citations
- Q2SCImago
- 2017year
Short summary
A 63Ni betavoltaic cell operated from -20°C to 70°C showed peak performance at -20°C, achieving 1.8pW maximum output power and 7% internal conversion efficiency.
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Key points
- Betavoltaic cell performance varies significantly with temperature.
- Saturation current decreases as temperature decreases.
- Open circuit voltage, short circuit current, maximum power, and efficiency decrease as temperature increases.
- Peak performance (1.8pW power, 7% efficiency) achieved at -20°C.
AI-generated from the title and abstract; the full text is not read.
Abstract
Ni radioisotope betavoltaic cell is reported over the temperature range 70°C to -20°C. The temperature effects on the key cell parameters were investigated. The saturation current decreased with decreased temperature; whilst the open circuit voltage, the short circuit current, the maximum power and the internal conversion efficiency values decreased with increased temperature. A maximum output power and an internal conversion efficiency of 1.8pW (corresponding to 0.3μW/Ci) and 7% were observed at -20°C, respectively.
The authors' abstract, as published at the source. Applied Radiation and Isotopes, 2017 · DOI ↗
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Field: Nuclear Energy and Engineering
Nuclear Energy and EngineeringEnergy