Electrochemical polymerization of nano-micro sheaf/wire conducting polymer poly[Ni(salen)] for electrochemical energy storage system |
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| Authors: | Jian-ling Li Fei Gao Ya-kun Zhang Xin-dong Wang |
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| Institution: | (1) State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, People’s Republic of China;(2) College of Chemistry and Chemical Engineering, Guangxi Normal University, Guilin, 541004, People’s Republic of China; |
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| Abstract: | The polymer of complex Ni(salen)], (N,N′-ethylenebis (salicylideneaminato) nickel(II)), was prepared on graphite electrode by the route of linear sweep potential
method. The nano-micro sheaf/wire structures of polyNi(salen)] have been obtained by adjusting the polymerization sweep rate
of 5, 20 and 40 mV·s−1. The polymer prepared at 20 mV·s−1 had nanoscaled wire structure of ca. 100 nm in diameter. The good electrochemical reversibility of polyNi(salen)] was investigated by cyclic voltammetry and
galvanostatic test in 1.0 mol/L Et3MeNBF4/acetonitrile solution. The initial specific gravimetric capacitance of polyNi(salen)] at the current density of 0.1 mA·cm−2 reached 270.2 F·g−1, however, the cycle stability needs to be improved. |
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