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1篇 您的检索式:作者名="Kevin M.Cook"
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1Capacitance,charge dynamics,and electrolyte-surface interactions in functionalized carbide-derived carbon electrodes显示文摘This study analyzed the dynamics of ionic liquid electrolyte inside of defunctionalized,hydrogenated,and aminated pores of carbide-derived carbon supercapacitor electrodes.The approach tailors surface functionalities and tunes nanoporous structures to decouple the influence of pore wall composition on capacitance,ionic resistance,and long-term cyclability.Quasi-elastic neutron scattering probes the self-diffusion properties and electrode-ion interactions of electrolyte molecules confined in functionalized pores.Room-temperature ionic liquid interactions in confined pores are strongest when the hydrogen-containing groups are present on the surface.This property translates into higher capacitance and greater ion transport through pores during electrochemical cycling.Unlike hydrogenated pores,aminated pores do not favorably interact with ionic liquid ions and,subsequently,are outperformed by defunctionalized surfaces.Boris Dyatkin Eugene Mamontov Kevin M.Cook Yury Gogotsi 2015Progress in Natural Science:Materials International2015,25,6:0
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