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    • 1. 发明公开
    • 그래핀 함유 흑연나노섬유 및 그 제조방법, 이를 포함하는 리튬이차전지의 전극물질
    • 包含石墨的石墨纳米纤维及其生产方法及其使用锂可充电电池的电极材料
    • KR1020130131003A
    • 2013-12-03
    • KR1020120054715
    • 2012-05-23
    • 전남대학교산학협력단
    • 이완진정홍련박석환이선미
    • D01F9/14D01D5/00H01M4/02H01M4/133D01F1/10H01M4/96
    • D01F9/14D01D5/0007D01F1/10H01M4/02H01M4/133H01M4/96
    • The present invention relates to a graphite nanofiber and a production method thereof. The production method of the graphite nanofiber comprises the steps of: mixing a carbon fiber precursor material and a solvent to obtain a mixed solution; adding a metal precursor and homogenizing the mixed solution; adding silicon oxide and homogenizing the mixed solution; producing fibers by electrospinning the homogenized mixed solution; and thermally treating the produced fibers. The graphite nanofiber produced by the method has a structure where graphite sheets are vertically arranged with respect to the nanofiber axis, and contains graphene, catalyst metal particles, and silicon compounds to be used for an electrode material of a solar cell or a secondary battery. [Reference numerals] (AA) Start;(BB) End;(S11) Mix a carbon fiber precursor material and a solvent to obtain a mixed solution;(S12) Add a metal precursor and firstly homogenize the mixed solution;(S13) Add silicon oxide and secondly homogenize the mixed solution;(S14) Produce fibers by electrospinning the homogenized mixed solution;(S15) Thermally treat the fibers;(S16) Obtain graphene-containing graphite nanofibers
    • 石墨纳米纤维及其制造方法技术领域本发明涉及石墨纳米纤维及其制造方法。 石墨纳米纤维的制造方法包括以下步骤:将碳纤维前体材料和溶剂混合以获得混合溶液; 加入金属前体并均化混合溶液; 加入氧化硅并均化混合溶液; 通过电纺均匀混合溶液生产纤维; 并对所生产的纤维进行热处理。 通过该方法制造的石墨纳米纤维具有石墨片相对于纳米纤维轴垂直布置的结构,并且包含用于太阳能电池或二次电池的电极材料的石墨烯,催化剂金属颗粒和硅化合物。 (AA)开始(BB)结束;(S11)将碳纤维前体材料和溶剂混合,得到混合溶液;(S12)添加金属前体,首先使混合溶液均化;(S13)添加 氧化硅,二次均化混合溶液;(S14)静电纺丝均质混合液生产纤维;(S15)热处理纤维;(S16)获得含石墨烯的石墨纳米纤维