以醋酸镁和氢氧化镁为间苯二酚与甲醛缩聚反应的催化剂,所得缩聚产物经常温干燥、高温碳化形成碳气凝胶.BET、SEM和TEM测试结果显示,以氢氧化镁为催化剂可以获得具有球状结构的碳气凝胶,其比表面积在600~700 m2·g-1之间,而以醋酸镁为催化剂所得碳气凝胶比表面积在450~500 m2·g-1,呈连续粒状分布.对比研究后发现,以氢氧化镁为催化剂所得碳气凝胶的电化学性能最优,比电容可达123F·g1.
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