期刊
CHEMELECTROCHEM
卷 7, 期 2, 页码 476-485出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/celc.201901942
关键词
interpenetrating polymer networks; ultra-microporous carbons; pore size; electrochemical performance; dynamic process
The pore structure control of porous carbons, especially ultra-microporous carbons, has long been a great challenge, and it is desirable to propose new strategies to deal with this dilemma. Herein, we designed and obtained ultra-microporous dominant porous carbon materials (UMC-IPNs) with an unimodal pore diameter of 0.6 nm by the strategy of interpenetrating polymer networks precursor carbonization. Thanks to the intertwining characteristics of the two interpenetrating polymer networks, the microphase separation which often occurs between the polymers is well suppressed, and also the pores of the as-obtained ultra-microporous carbons are interconnected. The calculated specific surface area is 1551 m(2) g(-1). Furthermore, as electrode material, UMC-IPNs has been confirmed to have exceptional electrochemical performance (the specific capacitance is 268 F g(-1) at 0.5 A g(-1), and after 10,000 cycles, the capacity is 96 % of the original at 6 A g(-1)) and rapid electrochemical kinetics (the surface capacitance effect ratio is about 85.4 % in our calculation results). In addition, ultra-microporous carbons are interesting for other applications such as gas capture, catalysis, and sensor technology.
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