A hierarchical porous P-doped carbon electrode through hydrothermal carbonization of pomelo valves for high-performance supercapacitors,Nanoscale Advances

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A hierarchical porous P-doped carbon electrode through hydrothermal carbonization of pomelo valves for high-performance supercapacitors
Nanoscale Advances ( IF 4.6 ) Pub Date : 2020-06-22 , DOI: 10.1039/d0na00211a
Jing Huang ₁ , Jie Chen ₂ , Zhenyao Yin ₁ , Jinggao Wu ₃

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Porous carbon materials are synthesized from pomelo valves by the hydrothermal activation of H₃PO₄ followed by simple carbonization. The as-synthesized hierarchically porous carbon electrode exhibits a high specific capacitance of 966.4 F g⁻¹ at 1 A g⁻¹ and an ultra-high stability of 95.6% even after 10 000 cycles. Moreover, the supercapacitor also demonstrates a maximum energy of 36.39 W h kg⁻¹ and a maximum power of 33.33 kW kg⁻¹ with an energy retention of 25.56 W h kg⁻¹, which paves the way for the development of high-performance, green supercapacitors for advanced energy storage systems.

中文翻译：

通过柚子阀水热碳化制备分级多孔磷掺杂碳电极，用于高性能超级电容器

以柚子瓣为原料，通过水热活化H ₃ PO ₄然后进行简单碳化合成多孔碳材料。所合成的分级多孔碳电极在1 A g ^-1下表现出966.4 F g ^-1的高比电容，即使在10 000次循环后仍具有95.6%的超高稳定性。此外，该超级电容器还表现出36.39 W h kg ^-1的最大能量和33.33 kW kg ^-1的最大功率，能量保持率为25.56 W h kg ^-1 ，这为高性能、用于先进储能系统的绿色超级电容器。

更新日期：2020-08-11

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