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Fig. 9 | BMC Materials

Fig. 9

From: Supercapacitors with alternating current line-filtering performance

Fig. 9

Reproduced with permission from Ref [75]. Copyright 2015. The Royal Society of Chemistry

a SEM image of carbon sponges with 1% SDS surfactant; b comparison of the frequency response of an S-3-based supercapacitor with that of the AEC and activated carbon-based supercapacitors; c frequency-dependent specific capacitance; and d real and imaginary parts of the capacitance of the S-3-based supercapacitor.

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