A commercial sodium-ion battery used in China is getting closer to Tesla-style performance, with cheaper materials and a double-aluminum design that could challenge lithium-ion in cost-sensitive EVs and grid storage.
A new leak claims Huawei is experimenting with fresh battery materials and designs that could take smartphone capacity beyond 10,000mAh.
Researchers have developed a new silicon-carbon battery design that can store up to nine times more energy while staying stable over time.