High Operating Voltage Supercapacitor Using PPy/AC Composite Electrode Based on Simple Dipping Method

Table 2

Comparison with the operating voltage of prepared PPy/AC composite electrode and several reported PPy composite electrodes.

Number	Material	Electrolyte	Operating voltage	Specific capacitance	Energy density	Reference
1	PPy coated nylon	1.0 M NaCl	0.9 V	123.3 Fg^−1	13.9 Wh kg^−1	Yue et al. (2012) [17]
2	PMAS/PPy carbon fiber	1.0 M H2SO4	1.2 V	152.0 Fg^−1	30.4 Wh kg^−1	Wilson et al. (2010) [18]
3	PPy coated butadiene rubber	1.0 M Na2SO4	1.3 V	125.8 Fg^−1	29.5 Wh kg^−1	Hepowit et al. (2012) [19]
4	PPy cellulose composite	2.0 M NaCl	1.2 V	270.0 Fg^−1	54.0 Wh kg^−1	Olsson et al. (2012) [20]
5	Cellulose/PPy nanocrystal composite	0.1 M KCl	1.1 V	336.0 Fg^−1	56.4 Wh kg^−1	Liew et al. (2010) [21]
6	PPy/AC composite dipping method	1.0 M Et4NBF4/ACN	3.0 V	45.1 Fg^−1	56.4 Wh kg^−1	This work
7	Activated carbon	1.0 M Et4NBF4/ACN	2.3 V	38.1 Fg^−1	28.0 Wh kg^−1	This work