CAJ | 학술논문

本文报道一种利用水蒸气处理获得氧化铁纳米颗粒和多孔碳纳米纤维复合物的新型制备方法。通过透射电镜和元素面分布等显微分析方法，作者发现样品中存在γ?Fe2 O3纳米颗粒和多孔碳纳米纤维结构，并且二者结合紧密，该结构有利于电化学反应过程。相比化学溶液合成方法，本文的制备工艺简单可控。此外，该方法可以推广制备多种金属氧化物和碳纳米结构复合物，而这些复合物可以应用于超级电容器、锂离子电池、燃料电池以及电解水等新型能源器件中。
본문보도일충이용수증기처리획득양화철납미과립화다공탄납미섬유복합물적신형제비방법。통과투사전경화원소면분포등현미분석방법，작자발현양품중존재γ?Fe2 O3납미과립화다공탄납미섬유결구，병차이자결합긴밀，해결구유리우전화학반응과정。상비화학용액합성방법，본문적제비공예간단가공。차외，해방법가이추엄제비다충금속양화물화탄납미결구복합물，이저사복합물가이응용우초급전용기、리리자전지、연료전지이급전해수등신형능원기건중。
We reported a novel method to synthesize iron oxide nanoparticle and porous carbon nanofiber composite by water vapor etching treatment. Utilizing microscopy analysis of transmission electron microscopy and element mapping results,γ?Fe2 O3 nanoparticles were formed in the sample and bound tightly to porous carbon nanofibers, which was beneficial to electrochemical reaction process. Compared with chemical synthesis in solution, our method is more facile and controllable. Furthermore, this method could be extended to synthesize more kinds of metal oxide and carbon nano?structure composites, which could be applied in emerging energy devices, such as supercapacitor, Li?ion battery, fuel cell and water splitting.