Huawei ‘5‑Minute, 3,000‑km’ Solid‑State EV Battery: Breakthrough or Bold Claim?
The in‑depth explainer What Huawei actually filed (and why it matters) Huawei’s patent (CN118899435A, published Nov 5, 2024) describes doping sulfide solid electrolytes with nitrogen‑containing groups so that, against a lithium‑metal anode, a stabilizing lithium nitride (Li₃N) interphase forms. In lab data