2吸脫附等分析其結(jié)構(gòu),采用循環(huán)伏安和充放電測試其電化學性能。結(jié)果表明,纖維為立方TiN相,纖維連續(xù),存在較為豐富的介孔結(jié)構(gòu),其比表面積為21.55 m2/g。電化學測試表明樣品在不同掃率下的CV曲線均呈類矩形,由電流密度為20 mA/g時GCD曲線計算其比電容為24.03 F/g,在電流密度為50 mA/g時經(jīng)4500次充放電循環(huán)后樣品的比容量仍能保持90 %以上,當功率密度為0.02 kW/kg時樣品的能量密度為3.3 Wh/kg。因此,采用本方法制備的多孔TiN纖維在超級電容器領(lǐng)域具有應用潛力。"/>

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靜電紡絲結(jié)合還原氮化法制備多孔TiN纖維及電化學研究
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華北理工大學材料科學與工程學院,華北理工大學材料科學與工程學院,華北理工大學材料科學與工程學院,華北理工大學材料科學與工程學院,華北理工大學材料科學與工程學院,華北理工大學材料科學與工程學院,河北省無機非金屬材料重點實驗室;華北理工大學材料科學與工程學院,華北理工大學材料科學與工程學院,華北理工大學材料科學與工程學院

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國家自然科學基金(批準號：51272066)和河北省自然科學基金(E2013209183)資助


Synthesis of Porous TiN Fiber via Reduction-nitridationReaction Based on Electrospinning and Its Electrochemical Performance
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North China University of Science and Technology,North China University of Science and Technology,North China University of Science and Technology,North China University of Science and Technology,North China University of Science and Technology,North China University of Science and Technology,Hebei Province Key Laboratory of Inorganic Non-metallic Materials;North China University of Science and Technology,North China University of Science and Technology,North China University of Science and Technology

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    摘要:

    采用靜電紡絲結(jié)合還原氮化法制備多孔TiN纖維,利用XRD、SEM、TEM和N2吸脫附等分析其結(jié)構(gòu),采用循環(huán)伏安和充放電測試其電化學性能。結(jié)果表明,纖維為立方TiN相,纖維連續(xù),存在較為豐富的介孔結(jié)構(gòu),其比表面積為21.55 m2/g。電化學測試表明樣品在不同掃率下的CV曲線均呈類矩形,由電流密度為20 mA/g時GCD曲線計算其比電容為24.03 F/g,在電流密度為50 mA/g時經(jīng)4500次充放電循環(huán)后樣品的比容量仍能保持90 %以上,當功率密度為0.02 kW/kg時樣品的能量密度為3.3 Wh/kg。因此,采用本方法制備的多孔TiN纖維在超級電容器領(lǐng)域具有應用潛力。

    Abstract:

    The porous titanium nitride fibers were prepared by electrospinning combined with reduction-nitride process. The structural information of the prepared fibers can be characterized by XRD, SEM, TEM and BET. And the electrochemical feature was characterized by cyclic voltammetry and charge-discharge measurements. The results showed that the synthesized TiN continuous fiber was cubic TiN phase, and there existed abundant mesoporous structure. The specific surface area of fiber was 21.55 m2/g. The CV curves at different scan rate were similar to the rectangle. The specific capacitance was 24.03 F/g when the current density was 20 mA/g. When the current density was 50 mA/g, the specific capacitance remained above 90 % after charge-discharge measurement for 4500 times. Moreover, the power density was 0.02 kW/kg and the energy density was 3.3 Wh/kg. In summary, the porous TiN fibers have great potential application in the field of super capacitor.

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呂東風,卜景龍,魏恒勇,崔燚,倪潔,劉盼,劉會興,魏穎娜,張利芳.靜電紡絲結(jié)合還原氮化法制備多孔TiN纖維及電化學研究[J].稀有金屬材料與工程,2017,46(10):3135~3140.[Lv Dongfeng, Bu Jinglong, Wei Hengyong, Cui Yi, Ni Jie, Liu Pan, Liu Huixing, Wei Yingna, Zhang Lifang. Synthesis of Porous TiN Fiber via Reduction-nitridationReaction Based on Electrospinning and Its Electrochemical Performance[J]. Rare Metal Materials and Engineering,2017,46(10):3135~3140.]
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  • 收稿日期:2016-08-19
  • 最后修改日期:2016-08-19
  • 錄用日期:2016-12-07
  • 在線發(fā)布日期: 2017-12-01
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