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Citation: Kan Jin-Qing, Li Xiang, Li Yong-Fang. Synthesis and Properties of Poly-2-aminopyridine[J]. Acta Physico-Chimica Sinica, ;2002, 18(02): 106-111. doi: 10.3866/PKU.WHXB20020203 shu

Synthesis and Properties of Poly-2-aminopyridine

1.
Department of Chemistry, School of Sciences, Yangzhou University,Yangzhou　225002;Institute of Chemistry, Chinese Academy of Sciences, Beijing　100080

Received Date: 21 June 2001
Available Online: 15 February 2002

Poly-2-aminopyridine was synthesized using potential cycling in the solution of 0.43 mol•dm－3 2-aminopyridine and 0.01 mol•dm－3 NaOH. There are three pairs of redox peaks on the cyclic voltammogram of poly-2-aminopyridine in the solution of 1.0 mol•dm－3 ZnCl2 (pH=4.99). The experiments of rotating ring-disk electrode(RRDE)indicate that an intermediate is generated in the initiation of polymerization. The IR spectra indicate that poly-2-aminopyridine has head-to-tail structure. According to the results of atom force microscope the average particle size of poly-2-aminopyridine is about 893.4 nm, and the average distance between particles is about 255 nm. The discharge behavior of the battery consisting poly-2-aminopyridine as cathode, and zinc as anode in an electrolytic solution of 2.5 mol•dm－3 ZnCl2＋3.0 mol•dm－3 NH4Cl (pH=5.5) is very similar to that of the battery of Li-SOCl2. The discharge curve is very flat in the middle region.
- 2-aminopyridine;Electrochemical polymerization;Cyclic voltammetry;　Poly-2-aminopyridine;Partical size
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