Charge storage mechanism in nanoporous carbons and its consequence for electrical double layer capacitors

by Patrice Simon, and Yury Gogotsi

Philosophical Transactions AVolume 368(1923):3457-3467

July 28, 2010

©2010 by The Royal Society

Ragone plot for electrochemical energy storage devices: batteries, capacitors and electrochemical capacitors (Simon & Gogotsi 2008).

Patrice Simon, and Yury Gogotsi Phil. Trans. R. Soc. A 2010;368:3457-3467

©2010 by The Royal Society

(a) Cation adsorption onto the surface of a negatively polarized electrode, charging the double-layer capacitance.

Patrice Simon, and Yury Gogotsi Phil. Trans. R. Soc. A 2010;368:3457-3467

©2010 by The Royal Society

(a) Plot of specific capacitance normalized by SSA for carbons (TiC CDC (filled circles) and natural and synthetic porous activated carbons (filled squares)) in the study of Chmiola et al.

Patrice Simon, and Yury Gogotsi Phil. Trans. R. Soc. A 2010;368:3457-3467

©2010 by The Royal Society

Electrochemical double-layer charge (a) according to the Helmholtz model and (b) in sub-nanometre pores.

Patrice Simon, and Yury Gogotsi Phil. Trans. R. Soc. A 2010;368:3457-3467

©2010 by The Royal Society

Specific capacitance normalized by SSA as a function of carbon pore size for various carbon samples.

Patrice Simon, and Yury Gogotsi Phil. Trans. R. Soc. A 2010;368:3457-3467

©2010 by The Royal Society