Graphene/Polyaniline Aerogel with Superelasticity and High Capacitance as Highly Compression-Tolerant Supercapacitor Electrode

Table 1 Comparison of the compressible composite electrodes. The capacitances are obtained with symmetric full cells

Materials	Uncompressed capacitance	Maximum compressive strain	Compressed capacitance	Content of pseudomaterials	Test condition	Ref.
Fe₂O₃/CNT sponge	296.3 F g⁻¹	70%	266.7 F g⁻¹	47 wt%	5 mV s⁻¹	[8]
CNT@PPy sponge	376 F g⁻¹	60%	338.4 F g⁻¹	52.4 wt%	0.5 A g⁻¹	[9]
CNT@ PPy@MnO₂ sponge	305 F g⁻¹ 9.6 F cm⁻³	50%	275 F g⁻¹ 16.1 F cm⁻³	~ 60 wt%	2 mV s⁻¹	[10]
Graphene/PPy foam	350 F g⁻¹ 14 F cm⁻³	50%	350 F g⁻¹ 28 F cm⁻³	N.A.	1.5 A g⁻¹	[11]
Melamine foam/graphene/PPy sponge	411 F g⁻¹	75%	329 F g⁻¹	3.92 wt%	10 mV s⁻¹	[12]
Sponge/PANI/CNT	216 F g⁻¹ 3.4 F cm⁻³	60%	210 F g⁻¹	65 wt%	0.64 A g⁻¹	[13]
Graphene/PANI aerogel	424 F g⁻¹ 8.9 F cm⁻³	90%	407 F g⁻¹ 85.5 F cm⁻³	63 wt%	1 A g⁻¹	This work