Betavoltaic battery patents are quietly stacking up after a dead decade — and the new entrants are a Florida pacemaker startup, Korea’s atomic institute, and the company that makes a third of the world’s EV batteries.
CATL, the world’s largest battery maker, has 12 US patents on perovskite solar cell fabrication. The manufacturing DNA is nearly identical. A 48,000-paper field is about to meet the factory floor.