Silicon carbide radioisotope betavoltaic cell with 4,200X increased output power density for autonomous ultra-long-duration micro-power

https://techxplore.com/news/2026-07-ultra-life-sic-power-platform.html

"standard wide-bandgap silicon carbide platform... optimizes semiconductor interface/ active absorption layers... silicon carbide’s high radiation tolerance and wide bandgap allow the platform to continuously convert beta decay radiation into usable electrical energy without experiencing rapid material degradation... reliable/ maintenance-free autonomous electronics over >50 years (60,000X improvement) in harsh/ inaccessible environments: deep-sea exploration, space missions, remote sensor arrays"