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Supercapacitors: Revealing the Impact of Hierarchical Pore Organization in Supercapacitor Electrodes by Coupling Ionic Dynamics at Micro‐ and Macroscales (Adv. Energy Mater. 24/2021)
Author(s) -
Dvoyashkin Muslim,
Leistenschneider Desirée,
Evans Jack D.,
Sander Miriam,
Borchardt Lars
Publication year - 2021
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.202170090
Subject(s) - supercapacitor , materials science , ionic bonding , diffusion , limiting , dielectric spectroscopy , coupling (piping) , electrode , chemical physics , electrical impedance , nanotechnology , ion , capacitance , chemical engineering , chemistry , electrochemistry , electrical engineering , composite material , organic chemistry , thermodynamics , physics , mechanical engineering , engineering
In article number 2100700, Muslim Dvoyashkin, Lars Borchardt, and co‐workers apply a combination of diffusion NMR and impedance spectroscopy to quantify the impacts of ionic transport inside and outside pores of model carbons. In contrast to a popular common belief, scenarios are described in which the diffusion inside pores is not the rate‐limiting step for the charge/discharge of supercapacitor devices.

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