Nanosized Cu-MOFs induced by graphene oxide and enhanced gas storage capacity

被引：250

作者：

Liu, Shuang ^{[1
,3
]}

Sun, Lixian ^{[1
,2
]}

Xu, Fen ^{[2
,4
]}

Zhang, Jian ^{[1
]}

Jiao, Chengli ^{[1
]}

Li, Fen ^{[1
]}

Li, Zhibao ^{[1
,3
]}

Wang, Shuang ^{[1
,3
]}

Wang, Ziqiang ^{[1
,3
]}

Jiang, Xia ^{[1
,3
]}

Zhou, Huaiying ^{[2
]}

Yang, Lini ^{[5
]}

Schick, Christoph ^{[6
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China

[2] Guilin Univ Elect Technol, Dept Mat Sci & Engn, Guilin 541004, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

[4] Liaoning Normal Univ, Fac Chem & Chem Engn, Dalian 116029, Peoples R China

[5] Liaoning Univ, Dept Chem, Shenyang 110036, Peoples R China

[6] Univ Rostock, Inst Phys, D-18059 Rostock, Germany

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2013年 / 6卷 / 03期

关键词：

HYDROGEN STORAGE; CARBON-DIOXIDE; ORGANIC FRAMEWORKS; ADSORPTION; ACTIVATION; SEPARATION; AMMONIA; CAPTURE;

D O I：

10.1039/c3ee23421e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Various MOFs with tailored nanoporosities have recently been developed as potential storage media for CO2 and H-2. The composites based on Cu-BTC and graphene layers were prepared with different percentages of graphene oxide (GO). Through the characterization analyses and gas adsorption experiments, we found that the nanosized and well-dispersed Cu-BTC induced by the incorporation of GO greatly improved the carbon dioxide capture and hydrogen storage performance of the composites. The materials obtained exhibited about a 30% increase in CO2 and H-2 storage capacity (from 6.39 mmol g(-1) of Cu-BTC to 8.26 mmol g(-1) of CG-9 at 273 K and 1 atm for CO2; from 2.81 wt% of Cu-BTC to 3.58 wt% of CG-9 at 77 K and 42 atm for H-2). Finally, the CO2/CH4 and CO2/N-2 selectivities were calculated according to single-component gas sorption experiment data.

引用

页码：818 / 823

页数：6

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