One-step nanocasting synthesis of nitrogen and phosphorus dual heteroatom doped ordered mesoporous carbons for supercapacitor application

被引：29

作者：

Feng, Jian ^{[1
]}

Song, Weiming ^{[1
]}

Sun, Li ^{[1
]}

Xu, Liyang ^{[1
]}

机构：

[1] Qiqihar Univ, Coll Chem & Chem Engn, Qiqihar 161006, Peoples R China

来源：

RSC ADVANCES | 2016年 / 6卷 / 111期

基金：

中国国家自然科学基金;

关键词：

OXYGEN REDUCTION REACTION; RESIN-BASED CARBON; POROUS CARBON; ENERGY-STORAGE; PERFORMANCE; ELECTRODES; SULFUR; STABILITY; BATTERIES; ACID;

D O I：

10.1039/c6ra22728g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nitrogen (N) and phosphorus (P) dual heteroatom doped ordered mesoporous carbon (NPOMC) is synthesized via a one-step nanocasting route. Sucrose, cyanamide and phosphoric acid were used as precursors for carbon, nitrogen and phosphorus in the preparation of NPOMC. The synthesized samples were characterized by TEM, XRD, XPS, N-2 sorption analysis and electrochemical methods. The results showed that nitrogen and phosphorus were successfully incorporated into carbon network and the doping amount of nitrogen and phosphorus and the population of various functionalities were correlated with each other. The obtained NPOMC exhibited much enhanced specific capacitance (220 F g(-1) at 1 A g(-1)), good rate capability (178 F g(-1) at 16 A g(-1) with capacitance retention of 81%) and an excellent cycling stability (91%) in 6 mol L-1 KOH aqueous electrolytes compared with NOMC, POMC and OMC.

引用

页码：110337 / 110343

页数：7

共 38 条

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