基于石墨烯及其复合物电极的电容去离子技术研究进展

冯爱虎, 于云, 宋力昕

Research Progress of Graphene and Its Composites as Electrodes for Capacitive Deionization

Ai-Hu FENG, Yun YU, Li-Xin SONG

表1 不同石墨烯基电极材料的性能对比

Table 1 Comparison of the performance among different graphene-based electrode materials

Electrode materials Specific surface area/(m2∙g-1) [Specific capacitance/ (F∙g-1)]/[Scan rate/ (mV∙s-1)] Applied voltage/V [Initial concentration/ (mg∙L-1)]/[Initial conductivity/(μS∙cm-1)] Electrosorption capacity/(mg∙g-1) Ref. GR 14.2 75.18/70.00 2.0 -/~50 1.85 [21] GR 77.0 - 2.0 22.8/- 0.46 [17] GR 222.1 - 2.0 -/~55 1.35 [26] GR - - 2.0 -/86.9 0.88 [27] GR 464.0 149.8/5.0 2.0 -/500 8.60 [19] RGO-RF 406.4 135.7/10.0 2.0 -/~58 1.42 [35] 3DMGA 339.0 58.4/5.0 2.0 -/~105 5.39 [37] 3DGHPC 384.4 80.34/10.00 1.2 -/60 6.18 [38] GHMCS 400.4 43.22/10.00 1.6 -/68.5 2.30 [39] STGS 305.0 57/10 1.5 -/~106 4.95 [40] GS 356.0 205.2/5.0 1.2 500/- 14.90 [41] KOH-activated GR 3513.0 - 2.0 70/150 11.86 [46] 20%GR+AC 779.0 181/1 1.2 -/100 2.94 [48] 5%GR+MC 685.2 89.5/1.0 - -/~90 0.73 [49] GR+10%CNTs 479.5 68/10 2.0 -/57 1.41 [53] 10%GR+CNTs 438.6 311.1/10.0 1.6 -/100 0.88 [54] GR+10%SWCNTs 391.0 213/10 2.0 780/1540 26.42 [55] GR+15% SnO2 - 323/5 1.4 -/~61 1.49 [60] GR+MnO2-NPs - 180/10 1.2 -/~100 ~3.50 [61] GR+MnO2-NRs - 292/10 1.2 -/~100 5.01 [61] GR+Ag - 114.7/25.0 1.5 -/- - [64] GR+Ag@C - 107.6/25.0 1.5 -/- - [64] GR+TiO2 187.6 142.6/5.0 1.2 500/- 15.10 [66] GR+20%TiO2 - 443/10 0.8 ~300/- 9.10 [67] GR+4%PANI 394.0 - 1.2 500/- - [71] GR+PCNF 474.0 151/- 1.2 100/- 7.80 [75] 10%GR+ACF 621.0 193/5 1.2 400/- 7.20 [76]