Arabic gum grafted poly (acrylic acid) (GA-g-PAA) is prepared through a free radical graft polymerization of acrylic acid onto Arabic gum. Crosslinkable aqueous binder is developed by combining GA-g-PAA and branched polyols (pentaerythrotol, PER; triethanolamine, TEOA) as crosslinking agent for Si anodes of lithium-ion batteries. The aqueous composite binder undergoes crosslinking at about 110 °C to form robust crosslinked networks, matching well with the processing temperature of the electrode sheet in industry. GA-g-PAA/PER binder displays higher adhesion strength than GA-g-PAA and GA-g-PAA/TEOA. The Si electrode with GA-g-PAA/PER exhibits a slightly better cycling stability at 0.2C for 100 cycles, better rate capability than GA-g-PAA and GA-g-PAA/TEOA. At a high rate of 1C, Si electrode with GA-g-PAA/P delivers a higher specific capacity of 1968.1 mAhg⁻¹ with a better capacity retention of 57.5% when compared with those with GA-g-PAA and GA-g-PAA/T binder.

阿拉伯树胶接枝的聚丙烯酸（GA- g-PAA）是通过丙烯酸在阿拉伯胶上的自由基接枝聚合反应制备的。可交联的水性粘合剂是通过将GA-g-PAA和支链多元醇（季戊四醇，PER；三乙醇胺，TEOA）混合用作锂离子电池Si阳极的交联剂而开发的。水性复合粘合剂在约110°C下进行交联以形成牢固的交联网络，与工业上电极片的加工温度非常匹配。GA-g-PAA / PER粘合剂的粘合强度高于GA-g-PAA和GA-g-PAA / TEOA。带有GA-g-PAA / PER的Si电极在0.2C下100次循环中显示出稍好的循环稳定性，比GA-g-PAA和GA-g-PAA / TEOA的定速率能力更好。在1C的高速率下，具有GA-g-PAA / P的Si电极可提供更高的比容量1968.1 mAhg ^-1 与使用GA-g-PAA和GA-g-PAA / T粘合剂的产品相比，具有更好的容量保持力，为57.5％。