Status of Biomass Derived Carbon Materials for Supercapacitor Application

Table 4

The preparation method and properties of porous carbon derived from coconut shells.

Preparation method	BET surface area (m^2g^−1)	Capacitance (F g^−1)	Energy density (W h kg^−1)	Reference
CPS	1559	228	38	[44]
OHCZ	2440	246	8.5	[87]
CZ	1266	—	—	[85]
CZP	2114	—	—	[85]