MK socks East China's Anhui Province, on December 2, 2024. The battery has achieved scale production. Aqueous sodium-ion batteries are used widely in areas such as large-scale energy storage, low-speed electric vehicles and emergency backup power sources. Photo: VCG" src="https://www.globaltimes.cn/Portals/0/attachment/2024/2024-11-04/626cadc9-afa6-4ba0-8f84-d706bf31965b.jpeg" />

A worker produces aqueous sodium-ion batteries at a laboratory in Huainan, East China's Anhui Province, on December 2, 2024. The battery has achieved scale production. Aqueous sodium-ion batteries are used widely in areas such as large-scale energy storage, low-speed electric vehicles and emergency backup power sources. Photo: VCG