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本发明适用于电化学能源领域,提供了一种适用于质子交换膜燃料电池的多孔碳纤维及其制备方法。所述制备方法包括以下步骤:对PAN/PLA混合液进行高压静电纺丝处理,获得纺丝纤维;将所述纺丝纤维置于氯仿中进行超声溶剂萃取处理;对经过超声溶剂萃取处理的所述纺丝纤维进行热处理,得到多孔碳纤维。本发明提供的多孔碳纤维的制备方法,具有快速、简单、低成
The invention is applicable to the field of electrochemical energy sources and provides a porous carbon fiber suitable for a proton exchange membrane fuel cell and a preparation method thereof. The preparation method comprises the following steps: performing high-pressure electrospinning treatment on PAN / PLA mixed liquid to obtain spinning fiber; placing the spinning fiber in chloroform to carry out ultrasonic solvent extraction treatment; carrying out ultrasonic solvent extraction treatment to the The spinning fiber heat treatment to obtain porous carbon fiber. The method for preparing porous carbon fiber provided by the present invention is fast, simple and low-cost