以硝酸为氧化剂,冰醋酸、甲酸为插层剂,采用化学氧化的方法制备可膨胀石墨.通过正交试验确定最佳工艺参数:10g鱼鳞片石墨,V(冰醋酸):V(甲酸):V(硝酸)=2:3:4,反应温度为20℃,反应时间为45min,制得可膨胀石墨在600℃时的膨胀体积为260mL/g；通过XRD分析检测插层剂,SEM观察膨胀石墨的表面形貌,测试结果表明,插层剂已插入石墨层间,形成石墨层间化合物,且膨胀石墨的表面形貌为疏松多孔结构.
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