Tesla’s Chinese battery supplier, CATL has applied for a patent for anode-free metal battery technology. This would be used for the next generation of sodium-ion batteries. For many years, CATL has been spending a lot of capital in R&D to overcome the limitations of sodium-ion batteries. The battery maker has created a hard carbon material with a unique porous structure. This allows it to make extensive sodium-ion storage and rapid transport. When this technology is implemented, the battery density can be significantly enhanced from its natural state, with the next-generation sodium-ion battery’s energy density exceeding 200Wh/kg.
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