绒球状β-氢氧化镍微米球的可控合成及其电化学性能  

Synthesis and Electrochemical Properties of Pompon-like β-Ni(OH)_2 Microspheres

作　　者：刘正 LIU Zheng(Chengdu Jufeng Glass Co. , Ltd. , Chengdu 610300, China)

机构地区：[1]成都巨峰玻璃有限公司,四川成都610300

出　　处：《合成化学》2016年第10期861-865,共5页Chinese Journal of Synthetic Chemistry

摘　　要：首次报道通过一种聚苯乙烯磺酸钠(PSS)和三嵌段共聚物(P123)辅助的水热法,以Ni(NO3)2为原料,合成了新颖的绒球状β-氢氧化镍微米球(P1),其结构和形貌经X-射线衍射、扫描电镜和透射电镜表征。电化学测试结果表明:P1具有良好的电化学性质,在1 A·g-1电流密度下,电容量达1 214 F·g-1,经过1 000次循环后其容量可保持90%以上。The novel self-assembled pompon-like β-Ni （OH） 2 microspheres （ p1 ） was synthesized for the first time, by the hydrothermal reaction of Ni （NO3 ）2 with the assistance of sodium poly（4-styrene- sulfonate） （PSS） and triblock copolymer Pluronic （ P123 ） as the morphological controling suffactants. The structures and morphology were characterized by XRD, SEM and TEM. The electrochemical prop-erties of p1 were studied. The results showed that P1 exhibited excellent capacitance behavior with cou- lombic efficiency of 1 214 F·g^-1 at a charge/discharge current density of 1 A·g^-1 and an almost 90% coulombic efficiency after 1 000 cycles.

关 键 词：聚苯乙烯磺酸钠 三嵌段共聚物 水热法 绒球状β-氢氧化镍微米球 可控合成 电化学性质 超级电容器 

分 类 号：O614.8[理学—无机化学] O646[理学—化学]