0 引言
1 合成高分子聚合物黏结剂
1.1 聚偏二氟乙烯黏结剂
Fig. 1 Chemical structures of polymer binders图1 各聚合物黏结剂的结构式 |
1.2 聚丙烯酸类黏结剂
Table 1 Performance comparison of different binders表 1 部分黏结剂性能对比 |
Binder | Initial specific capacity / [(mA∙h)/g] | Remaining specific capacity / [(mA∙h)/g] (cycles) | Active material:conductive additive: binder | reference |
---|---|---|---|---|
PVDF | 2 073 | 701 (50th) | 60∶16∶24 | [20] |
PAA-co-PVA | 3 616 | 1 663 (300th) | 60∶20∶20 | [29] |
SHP-PEG | 2 600 | 1 300 (150th) | 65∶5∶30 | [47] |
c-PAM | 3 225 | 2 843 (100th) | 70∶15∶15 | [51] |
Alg | 3 040 | 1 200 (1 300th) | 75∶10∶15 | [64] |
GA | 4 056 | 2 708 (100th) | 50∶25∶25 | [76] |
GG | 3 364 | 2 222 (100th) | 70∶15∶15 | [78] |
β-CDp | 2 124 | 1 471 (200th) | 40∶40∶20 | [82] |
C-CS | 4 270 | 950 (50th) | 63∶30∶8 | [86] |
PEFM | 3 750 | 3 000 (50th) | 2∶1 (no conductive additive) | [93] |
PPyMMA | 3 929 | 2 200 (1 800th) | 2∶1 (no conductive additive) | [99] |
PEDOT∶PSS∶FA | 3 685 | 1 950 (100th) | 4∶1 (no conductive additive) | [101] |
PT-3-LiA | 3 000 | 1 700 (100th) | 1∶1∶1 | [104] |
1.3 自修复聚合物黏合剂
1.4 聚乙烯醇类黏结剂
2 天然高分子聚合物黏结剂
2.1 羧甲基纤维素钠类黏结剂
2.2 海藻酸盐基黏结剂
Fig. 5 (a) Chemical structure of β-D-mannuronic acid (M) and α-L-guluronic acid (G); (b) cycing stability of Si-Alg electrode for the charge capacity fixed to 1 200 mA∙h/g; (c) cycling performance of nano-Si electrodes with alginate, CMC, and PVDF binders[64]图5 (a)β-D-甘露糖醛酸(M)和α-L-古洛糖醛酸(G)结构式;(b)恒定充电容量为1 200 mA∙h/g时,Si-Alg电极循环稳定性;(c)ASi-Alg-Si、CMC-Si、PVDF-Si电极循环性能[64] |