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典型文献
Understanding the effects of electrode meso-macropore structure and solvent polarity on electric double layer capacitors based on a continuum model
文献摘要:
The structures of electrode meso-macropore and the solvent polarity are the crucial factors dominating the performance of the electric double layer capacitors(EDLCs),but their impacts are usually tangled and difficult to decouple and quantitate.Here the effects of electrode meso-macropore structure and solvent polarity on the specific capacitance of an EDLC are quantitatively investigated using a steady-state con-tinuum model.The simulation results indicate the specific capacitances are significantly affected by the meso-macropore surface structure.The specific capacitances significantly decrease for both convex sur-face structures but obviously increase for both concave surface structures,with the increase of curvature radius from 1 to 20 nm.As for solvents,the polar solvent with high saturated dielectric permittivity improves the capacitance performance.Moreover,the electrode meso-macropore structure is of more concern compared with solvent polarity when aiming at enhancing the specific capacitance.These results provide fundamentals for the rational design of porous electrodes and polar electrolytes for EDLCs.
文献关键词:
作者姓名:
Haotian Lu;Jinghong Zhou;Yueqiang Cao;Tongxin Shang;Guanghua Ye;Quan-Hong Yang;Xinggui Zhou
作者机构:
State-Key Laboratory of Chemical Engineering,East China University of Science of Technology,Shanghai 200237,China;Joint School of National University of Singapore and Tianjin University,International Campus of Tianjin University,Binhai New City,Fuzhou 350207,China;Nanoyang Group,State Key Laboratory of Chemical Engineering,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300350,China
引用格式:
[1]Haotian Lu;Jinghong Zhou;Yueqiang Cao;Tongxin Shang;Guanghua Ye;Quan-Hong Yang;Xinggui Zhou-.Understanding the effects of electrode meso-macropore structure and solvent polarity on electric double layer capacitors based on a continuum model)[J].中国化学工程学报(英文版),2022(10):423-434
A类:
B类:
Understanding,effects,meso,macropore,polarity,double,layer,capacitors,continuum,model,structures,crucial,factors,dominating,performance,EDLCs,but,their,impacts,usually,tangled,difficult,decouple,quantitate,Here,specific,quantitatively,investigated,using,steady,state,simulation,results,indicate,capacitances,significantly,affected,by,surface,decrease,both,convex,obviously,increase,concave,curvature,radius,from,solvents,high,saturated,dielectric,permittivity,improves,Moreover,is,more,concern,compared,when,aiming,enhancing,These,provide,fundamentals,rational,design,porous,electrodes,electrolytes
AB值:
0.450404
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