Defence Finance Monitor

Defence Finance Monitor

Arkenlight Ltd: European Strategic-Technological Analysis

Aug 17, 2025
∙ Paid
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Arkenlight Limited is a UK-based deep-tech spin-off from the University of Bristol, founded in 2020 by Professors Tom Scott and Neil Fox to commercialize their patented diamond-based nuclear battery technology[1][2]. Headquartered in Bristol (registered address in London), this private limited company employs a few dozen specialists in advanced materials and nuclear science[3][2]. Its core mission is to develop ultra-long-life “diamond batteries” powered by recycled radioisotopes (e.g. carbon-14 from nuclear reactor graphite), intended to provide maintenance-free power for sensors and IoT devices in harsh or remote environments[4][5]. Arkenlight has already demonstrated prototype devices (including a published lab-scale carbon-14 diamond cell) and markets a high-efficiency tritium-based “betalight” battery product[6][7]. The company is now preparing for pilot-scale production and private investment to transition from laboratory to market deployment[8][9].


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