This paper introduces the development and testing of an experimental apparatus for characterization of a direct charging nuclear battery. The battery consists of a parallel-plates capacitor which is charged in a vacuum by the current of {\beta}-radiation particles (electrons) emitted from a radioisotope. A 63Ni radioisotope with an activity of 15mCi that produces a 20pA current was selected as the radiation source. The apparatus is unique in its design, having ultra-low leakage current and a few options for charge measurements. Preliminary results of a few tests are presented to demonstrate the capabilities of the apparatus.
@article{arxiv.1401.1042,
title = {An experimental apparatus for study of direct {\beta}-radiation conversion for energy harvesting},
author = {Y. Haim and Y. Marciano and G. deBotton},
journal= {arXiv preprint arXiv:1401.1042},
year = {2014}
}