Even though Huawei doesn't manufacture batteries, the company is putting plenty of R&D resources into developing a new solid-state battery tech. The newest patent reveals a battery pack that can go for 1,860 miles away from the plug and fully charge in just five minutes. . Dry designs press a thin, fully dense solid electrolyte directly against a lithium-metal anode, eliminating flammable solvents, boosting voltage windows, and taking the theoretical gravimetric ceiling well above 350 Wh kg-¹ —a point we explored in January, 2025. A Chinese patent filed on 18 June. . An energy storage system with higher energy density is needed in the 5G era. However, the numbers don't add up, raising questions about Huawei's. .
