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IMAGE: In Applied Physics Reviews, researchers in China describe how they applied basic physical concepts of atomic scale to build high-performance anodes for sodium-ion batteries.
This image shows a homemade softpack sodium-ion. view more
Credit: Jiangping Tu, Yuqian Li, Liyuan Zhang, Xiuli Wang, Xinhui Xia, Dong Xie, and Changdong Gu
WASHINGTON, January 12, 2021 Sodium-ion batteries are a potential replacement for lithium batteries, but the anodes positively charged electrodes that work well for lithium-ion batteries don t provide the same level of performance for sodium-ion batteries.
Amorphous carbon, which lacks a crystalline structure, is known to be a useful anode, because it has defects and voids that can be used to store sodium ions. Nitrogen/phosphorus-doped carbon also offers appealing electrical properties.