摘要
采用固相法在石墨相氮化碳(g-C_(3)N_(4))片层中原位生长纳米氮化镍(Ni_(3)N)颗粒,得到三维结构的Ni_(3)N/g-C_(3)N_(4)复合材料。通过XRD、SEM、HR-TEM、拉曼光谱和电化学测试等方法,对复合材料进行分析。Ni_(3)N纳米颗粒均匀地分散在g-C_(3)N_(4)中,Ni_(3)N/g-C_(3)N_(4)复合材料具有良好的倍率性能和循环稳定性。在0.01~3.00 V充放电,当电流为0.1 A/g时,Ni_(3)N/g-C_(3)N_(4)-3复合材料的首次可逆比容量为968 mAh/g,高于Ni_(3)N的633 mAh/g;当电流为1.0 A/g时,第400次循环的比容量高于600 mAh/g。
Nano nickel nitride(Ni_(3)N)particles were generated in situ in the graphite-phase carbon nitride(g-C_(3)N_(4))sheet by solid phase method to prepare_(3)D Ni_(3)N/g-C_(3)N_(4)composites.The composites were characterized by XRD,SEM,HR-Transmission electron microscope(TEM),RAMAN spectroscopy and electrochemical testing methods.The Ni_(3)N nanoparticles were uniformly dispersed in g-C_(3)N_(4)layers;Ni_(3)N/g-C_(3)N_(4)was provided with high rate capability and cycle stability.When charged-discharged in 0.01-3.00 V at 0.1 A/g,the Ni_(3)N/g-C_(3)N_(4)-3 composite was delivered initial reversible specific capacity of 968 mAh/g,which was higher than 633 mAh/g of Ni_(3)N;Ni_(3)N/g-C_(3)N_(4)-3 was delivered specific capacity of over 600 mAh/g in the_(4)00th cycle at 1.0 A/g.
作者
张林森
郭春朵
宋延华
樊云飞
ZHANG Lin-sen;GUO Chun-duo;SONG Yan-hua;FAN Yun-fei(School of Material and Chemical Engineering,Zhengzhou University of Light Industry,Zhengzhou,Henan 450002,China;Ceramic Materials Research Center,Zhengzhou University of Light Industry,Zhengzhou,Henan 450002,China;Henan International Joint Laboratory of Ceramic Energy Materials,Zhengzhou,Henan 450002,China)
出处
《电池》
CAS
北大核心
2021年第1期13-16,共4页
Battery Bimonthly
基金
河南省科技攻关项目(182102210163)
郑州轻工业大学众创空间孵化项目(2019ZCKJ222)
郑州轻工业大学大学生科技活动项目。
