Nuclear Engineering and Technology· 2019Q2
A nuclear battery based on silicon p-i-n structures with electroplating 63Ni layer
- 34citations
- Q2SCImago
- 2019year
Short summary
A prototype nuclear battery using 10 betavoltaic cells with an electroplated 63Ni layer achieved an open-circuit voltage of 1 V and a short-circuit current of 64 nA.
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Key points
- A prototype nuclear battery comprised of 10 betavoltaic cells with an electroplated 63Ni layer achieved 1 V open-circuit voltage and 64 nA short-circuit current.
- Individual betavoltaic cells with a 10 mCi 63Ni source reached open-circuit voltages of 151 mV and 109 mV.
- Short-circuit current densities for the cells were measured at 72.9 nA/cm² and 64.6 nA/cm².
- The electroplating of 63Ni on an ohmic contact (Ti-Ni) was performed at a current density of 20 mA/cm².
AI-generated from the title and abstract; the full text is not read.
Abstract
The paper presents the electrical performance measurements of a prototype nuclear battery and two types of betavoltaic cells. The electrical performance was assessed by measuring current-voltage properties (I–V) and determining the short-circuit current and the open-circuit voltage. With 63Ni as an irradiation source, the open-circuit voltage and the short-circuit current were determined as 1 V and 64 nA, respectively. The prototype consisted of 10 betavoltaic cells that were prepared using radioactive 63Ni. Electroplating of the radioactive 63Ni on an ohmic contact (Ti–Ni) was carried out at a current density of 20 mA/cm2. Two types of betavoltaic cells were studied: with an external 63Ni source and a 63Ni-covered source. Under irradiation of the 63Ni source with an activity of 10 mCi, the open-circuit voltage Voc of the fabricated cells reached 151 mV and 109 mV; the short-circuit current density Jsc was measured to be 72.9 nA/cm2 and 64.6 nA/cm2, respectively. The betavoltaic cells had the fill factor of 55% and 50%, respectively.
The authors' abstract, as published at the source. Nuclear Engineering and Technology, 2019 · DOI ↗
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Field: Nuclear Energy and Engineering
Nuclear Energy and EngineeringEnergy