以高温煤焦油沥青为炭源，经浓硝酸和浓硫酸混合物在30*#℃氧化制备出较高收率的水性中间相沥青。将水性中间相沥青溶于氨水溶液得到水相炭基凝胶，经过乙醇与水直接交换后超临界干燥和热处理制备出颗粒分布均匀、平均尺寸在10*#nm左右的无定型碳纳米粉。并采用透射电子显微镜、傅立叶红外光谱、热重、物理吸附、X-射线衍射等分析手段对纳米炭原粉在热处理过程中的物理化学变化规律进行了表征。
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