One-step synthesis of nitrogen-doped porous carbon for high performance supercapacitors
One-step synthesis of nitrogen-doped porous carbon for high performance supercapacitors
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DOI：
10.1007/s10934-017-0378-1
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发表时间：
2017-02
影响因子：
2.6
通讯作者：
Jianqiang Zhang;Ping Li;Siyun Huang;Bin Wang;Heming Luo
中科院分区：
文献类型：
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作者：
Jianqiang Zhang;Ping Li;Siyun Huang;Bin Wang;Heming Luo
We report a simple synthesis of nitrogen-doped porous carbon materials by one-step carbonization of pure sodium glutamate in inert atmosphere without any activation. The surface area, pore structure, and electrochemical properties of the resultant carbon materials can be tuned simply by changing the carbonization temperature. The carbon materials are characterized by heteroatom (N, O) doping, interconnected porous carbons framework with high surface area (1873 m2g−1), large pore volume (1.10 cm3g−1), and high yield. While the nitrogen content decreases from 7.15 at% at 600 °C to 4.03 at% at 900 °C. These features confer the as-obtained nitrogen-doped porous-carbon materials with high specific capacitance, good rate capability, and excellent cycling stability (88.15% of capacitance retention after 5000 cycles) in 2 M NaNO3electrolyte.
