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High Sodium Storage Performance
In article number 2302583, Yanqing Wang and co‐workers report a powerful yet simple method for fabricating porous hard carbon via liquid salt template‐assisted dual activation. The resulting material exhibits a high specific capacity of 367 mAh g−1 at 0.05 A g−1 and 92.9% initial coulombic efficiency (ICE) and ultra‐long cycle stability of 151 mAh g−1 after 12,000 cycles...
The slow solid diffusion dynamics of sodium ions and the side‐reaction of sodium metal plating at low potential in the hard carbon anode of sodium ion batteries (SIBs) pose significant challenges to the safety manipulation of high‐rate batteries. Herein, a simple yet powerful fabricating method is reported on for “egg puff”‐like hard carbon with few N doping using rosin as a precursor via liquid salt...
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