Nitrogen‐doped porous carbon is an ideal electrode material for supercapacitors, and the development of efficient and inexpensive graphene‐based porous carbon is of great significance to promote its application. In this study, a bottom‐up in‐situ method is developed to grow nitrogen‐doped 3D graphene‐like porous carbon (Cu‐GL‐NPC) with Cu as a catalyst. The Cu‐GL‐NPC possessed the high nitrogen content of 7.64% and the high ratio of pyrrolic nitrogen, along with open three‐dimensional porous structure, which led to the smooth transfer of electrolyte. Consequently, the Cu‐GL‐NPC delivered an extremely high surface area specific capacitance of 49.2 μF cm⁻² at a current density of 1 A g⁻¹. This study provides an insight for better understanding the effect of catalysts on the formation of porous carbon, which is beneficial for the design of new nanocarbon materials with different structures and different nitrogen doping types, and would offer ideas for the development of carbon materials for the next generation of supercapacitors.

中文翻译：

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自底向上就地制备石墨烯样多孔碳，用于超高表面积比电容超级电容器

氮掺杂多孔碳是用于超级电容器的理想电极材料，开发高效且廉价的石墨烯基多孔碳对于促进其应用具有重要意义。在这项研究中，开发了一种自下而上的原位方法，以铜为催化剂生长掺氮的3D石墨烯状多孔碳（Cu-GL-NPC）。Cu‐GL‐NPC具有7.64％的高氮含量和高的吡咯氮比，以及开孔的三维多孔结构，从而使电解质得以顺利转移。因此，Cu‐GL‐NPC在1 A g ^-1的电流密度下提供了49.2μFcm ^-2的极高表面积比电容。。该研究为更好地理解催化剂对多孔碳形成的影响提供了见识，这对于设计具有不同结构和不同氮掺杂类型的新型纳米碳材料是有益的，并将为开发用于碳纳米管的碳材料提供思路。下一代超级电容器。