Biomass based nitrogen-doped structure-tunable versatile porous carbon materials
Zhou, X (Zhou, Xin); Wang, PL (Wang, Penglei); Zhang, YG (Zhang, Yagang); Wang, LL (Wang, Lulu); Zhang, LT (Zhang, Letao); Zhang, L (Zhang, Lan); Xu, L (Xu, Lu); Liu, L (Liu, Li); Zhang, YG
2017
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
卷号5期号:25页码:12958-12968
摘要Hierarchical nitrogen-doped porous carbons (HNPCs) with tunable pore structures and ultrahigh specific surface areas were designed and prepared from sustainable biomass precursor cellulose carbamate via simultaneous carbonization and activation by a facile one-pot approach. The as-synthesized HNPCs exhibited an ultrahigh specific surface area (3700 m(2) g(-1)), a high pore volume (3.60 cm(3) g(-1)) and a high level of nitrogen-doping (7.7%). The HNPCs were structurally tunable in terms of their pore structure and morphology by adjusting the calcination temperature. In three-electrode systems, the electrode made of HNPCs prepared at 900 degrees C (HNPCs-900) showed a high specific capacitance of 339 F g(-1) in 6 M KOH aqueous electrolyte and 282 F g(-1) in 1 M H2SO4 electrolyte at a current density of 0.5 A g(-1). An outstanding rate capability (similar to 73% retention at a current density of 20 A g(-1)) and excellent cycling stability (similar to 95% retention after 5000 galvanostatic charge-discharge cycles at a current density of 5 A g(-1)) in KOH electrolyte were achieved. In two-electrode systems, the electrode made of HNPCs-900 exhibited a high specific capacitance of 289 F g(-1) at 0.5 A g(-1) and good rate capacity (similar to 72% retention at a current density of 20 A g(-1)) as well as cycling stability (similar to 92% retention at 2 A g(-1)) after 5000 cycles. Furthermore, the HNPCs-900 showed an unprecedented adsorption capacity for methylene blue (1551 mg g(-1)) which was among the few highest ever reported for dye removal. The HNPCs could be used as functional materials for energy storage and waste water treatment.
DOI10.1039/c7ta02113e
收录类别SCI
WOS记录号WOS:000404571500037
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文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4829
专题省部共建新疆特有药用资源利用重点实验室
通讯作者Zhang, YG
作者单位1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Ctr Green Chem, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Organ Funct Mat Lab, Urumqi 830011, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Xinjiang Inst Engn, Dept Chem & Environm Engn, Urumqi 830023, Peoples R China
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Zhou, X ,Wang, PL ,Zhang, YG ,et al. Biomass based nitrogen-doped structure-tunable versatile porous carbon materials[J]. JOURNAL OF MATERIALS CHEMISTRY A,2017,5(25):12958-12968.
APA Zhou, X .,Wang, PL .,Zhang, YG .,Wang, LL .,Zhang, LT .,...&Zhang, YG.(2017).Biomass based nitrogen-doped structure-tunable versatile porous carbon materials.JOURNAL OF MATERIALS CHEMISTRY A,5(25),12958-12968.
MLA Zhou, X ,et al."Biomass based nitrogen-doped structure-tunable versatile porous carbon materials".JOURNAL OF MATERIALS CHEMISTRY A 5.25(2017):12958-12968.
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