Capacitive deionization of NaCl solution with hierarchical porous carbon materials derived from Mg-MOFs

被引：56
作者：
Li, Chun-Ping [1 ,2 ]
Wu, Ya-Qi [1 ,2 ]
Zhang, Fei-Yang [1 ]
Gao, Li-Xin [1 ]
Zhang, Da-Quan [1 ,2 ]
An, Zhong-Xun [3 ]
机构：
[1] Shanghai Univ Elect Power, Shanghai Key Lab Mat Protect & Adv Mat Elect Powe, Shanghai 200090, Peoples R China
[2] Shanghai Univ Elect Power, Shanghai Engn Res Ctr Energy Saving Heat Exchange, Shanghai 200090, Peoples R China
[3] Shanghai AOWEI Technol Dev Co Ltd, Natl Engn Res Ctr Supercapacitor Vehicles, Shanghai 201203, Peoples R China
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2021年 / 277卷
关键词：
Metal-organic framework; Desalination Performance; Hierarchical carbon material; Supercapacitors; WATER DESALINATION; KOH ACTIVATION; TECHNOECONOMIC ANALYSIS; DIRECT CARBONIZATION; BACTERIAL-CELLULOSE; NANOFIBER AEROGELS; PORE STRUCTURE; GRAPHENE; ENERGY; PERFORMANCE;
D O I：
10.1016/j.seppur.2021.119618
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Carbon materials with suitable pore size distribution, high specific surface area and good wettability are crucial for the capacitive deionization (CDI) electrode. Herein, the Mg-MOF-74 derived carbon (MMCK) is prepared by solvothermal synthesis, carbonization, and potassium hydroxide (KOH) activation method. The MMCK has super hydrophilicity and rich hierarchical porous structure composed of micropores, mesopores and macropores. The capacitive deionization of MMCK is investigated in NaCl aqueous solution. The MMCK has high oxygen doping amount, and has a high electrosorption capacity (16.82 mg center dot g- 1) for 500 mg center dot L-1 NaCl. This indicates that MMCK is novel and potential material for capacitive deionization.
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页数：10
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