The specific surface versus electrochemically active area of the carbon ...

The specific surface versus electrochemically active area of the carbon/polypyrrole capacitor: the correlation of ion dynamics studied by an electrochemical quartz crystal microbalance with BET surface Heike L.K.S. Moscha, Oluseun Akintolab, Winfried Plassb, Stephanie Höppenera, Ulrich S. Schuberta, Anna Ignaszaka,c*

Fig. S1 Pore size distribution for purified SWCNTs

Fig. S2 Pore size distribution for purified carbon black

Fig. S3 Pore size distribution for polypyrrole

Fig. S4 Pore size distribution for composite SWCNT-PPy 4:1 weight ratio

Fig. S5 Pore size distribution for composite SWCNT-PPy 1:4 weight ratio

Fig. S6 Pore size distribution for composite CB-PPy 4:1 weight ratio

Fig. S7 Pore size distribution for composite CB-PPy 1:4 weight ratio

Table S1 BET calculation analysis Vm(cm3/g) P/Po(Vm) θ(P/Po)

P/Po range

C

p-SWCNTs

0.01-0.15

397.8

222.5

0.05

0.05

0.999

p-CB

0.05-0.33

100.2

15.8

0.09

0.09

0.999

PPy

0.13-0.28

26.8

7.3

0.16

0.16

0.999

CNTPPy41

0.01-0.3

208.1

124.5

0.06

0.07

0.999

CNTPPy14

0.01-0.3

164.4

8.6

0.07

0.08

0.999

CBPPy41

0.05-0.28

66.5

17.0

0.11

0.11

0.999

CBPPy14

0.08-0.23

114.2

10.8

0.09

0.08

0.999

R

Fig. S8 Mass-specific capacitance of the carbon-polypyrrole composites and the individual components