Physical properties of DOA and the prepared materials.

Sample	Element analysis (normalization)			XRD analysis		Texture properties
	C, %	O, %	S, %	A d a, %	A g b, %	S g c, m2 g−1	V p d, mL g−1
DOA	91.76	0.64	7.60	—	—	—	—
D	89.69	1.03	9.28	25.57	74.43	1.54	0.0039
DO	91.23	6.03	2.74	59.48	40.52	460	0.38

^aThe area of high disordered carbon.

^bThe area of graphite-like.

^cBET surface area.

^dPore volume.