Table 1 Solubility of different solvents.

From: Separation and recovery of carbon powder in anodes from spent lithium-ion batteries to synthesize graphene

Leaching solvent

NMP

H2O

Acetone

Ethanediol

Molecular formula

C5H9NO

H2O

CH3COCH3

C2H6O2

Relative molecular mass

99.13

18.02

58.08

62.07

Solubility/(g/L, 20 °C)

soluble

soluble

soluble

soluble

Density/(g/cm3)

1.026

1

0.788

1.1155

Boiling point/(20 °C)

203

100

56.53

197.3

Dissolution rate/%

57.4

99.5

49.6

30.8