针对燃煤电厂循环水排水高盐处理需求,为解决无定形碳电极亲水性差、活性位点不足的缺陷,本研究以酚醛树脂为原料,经碳化造孔制备无定形碳基材,通过氧化-活化-磺化接枝改性工艺制备改性无定形碳基复合电极。通过系统的结构表征及电化学性能测试,结合电吸附试验,探究改性对材料微观结构、电化学性能的影响及电吸附作用机理。结果表明,改性后材料表面成功引入羧基等含氧官能团,亲水性显著提升,虽伴随部分孔结构损失,但有效改善离子传输效率、强化双电层电容特性,在10 A/g下比电容达844.65 F/g,倍率性能优异 ...
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