Agility Robotics announced on October 15 that Cambridge-based Nyobolt will supply the battery system for its Digit 5 humanoid robot — a system that charges in nine minutes, runs for 90 minutes, and delivers the 10:1 run-to-charge ratio its predecessor could not, because Nyobolt's niobium tungsten oxide anode is built for a duty cycle graphite was never designed to handle.
That distinction matters more than the ratio alone. Graphite became the world's dominant battery anode in the 1990s, optimized for consumer electronics: partial discharge, once-daily charging, modest cycle counts. Industrial humanoid robots impose a categorically different demand — 100% depth of discharge, multiple times per day, across every working day of a robot's commercial life. Nyobolt's real breakthrough isn't a faster version of the same chemistry. It is chemistry matched to the duty cycle that actually exists in a warehouse.
To read more, click here.