Sunrise New Energy's sodium-ion battery hard carbon composite receives preliminary approval of patent

https://finance.yahoo.com/news/sunrise-energy-announces-breakthrough-achievement-142500912.html

"fiber-structured titanium-doped amorphous carbon coated silver hard carbon (wide availability, low cost, simple preparation process) composite... overcomes hard carbon limitations of low specific capacity, low initial efficiency, and deviation in power performance. This hard carbon exhibits core-shell structure with silver-doped hard carbon inner core and outer shell composed of titanium-doped amorphous carbon... enhanced initial efficiency, cycling performance, and rate capability of anode"

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