经溶胶-凝胶、超临界干燥和高温碳化过程制备的碳气凝胶及通过掺杂获得的掺杂碳气凝胶是一种新型的轻质纳米多孔材料,具有许多优异的性能和广阔的应用前景.介绍了溶胶-凝胶法的反应机理,综述了碳/掺杂碳气凝胶的制备方法、发展现状,指出了目前存在的问题并提出了新的可行的制备掺杂碳气凝胶的方法.
Carbon aerogels which are prepared by sol-gel method, CO_2 supercritical drying and high temperature carbonization, and the doped-carbon aerogels are a new type of light nano-porous materials. They have excellent properties and wide applications. The reaction mechanism of sol-gel is introduced, and the preparation methods and research progress of carbon/doped-carbon aerogels are summarized. The existing problems and a new feasible preparation method are put forward.
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