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《工程塑料应用》 2021年第08期
DOI:10.3969/j.issn.1001-3539.2021.08.001
聚吡咯/炭黑复合材料制备及其在铅酸电池中的应用
陈远强12
1.中国科学院福建物质结构研究所,光电材料化学与物理院重点实验室,福州 350002; 2.中国福建光电信息科学与技术创新实验室,福州 350108 
Preparation of Polypyrrole/Carbon Black Composites and Their Applications in Lead-Acid Batteries
Chen Yuanqiang12
1. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; 2. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China 
摘要:采用原位化学聚合法制备聚吡咯(PPy)/炭黑(CB)复合材料并将其应用于铅酸电池负极中,通过扫描电子显微镜、傅立叶变换红外光谱仪、拉曼光谱仪和X射线衍射仪等表征手段分别对复合材料的微观形貌、结构和物相组成进行分析,采用电化学线性扫描法和循环伏安法测试了复合材料的电化学性能。最后,讨论了复合材料对铅酸电池的高倍率部分荷电状态(HRPSoC)循环寿命性能的影响。结果表明,PPy/CB复合材料不仅保留CB原有结构特征,而且具有更高析氢过电位性能和更高的电容性能。将PPy/CB复合材料作为负极添加剂应用于铅酸电池负极中,改善了负极析氢问题以及不可逆“硫酸盐化”问题,最终显著提高了铅酸电池的HRPSoC循环寿命,循环寿命高达7578次,比对照组的电池(负极只添加CB)提高了约109%。 
Abstract:The polypyrrole (PPy)/carbon black (CB) composite were prepared by in-situ oxidation polymerization on CB and applied to negative plates of lead-acid battery. The micro-morphology, structure and phase compositions of as-prepared composite were characterized by scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy (Raman) and X-ray diffraction (XRD). The electrochemical performances of the composite were analyzed by linear sweep voltammetry (LSV) and cyclic voltammetry (CV). Finally, the effect of PPy/CB composite on the high-rate partial-state-of-charge (HRPSoC) performance of lead-acid batteries was investigated. The results show that the PPy/CB composite retains the structural feature of CB, and has a higher hydrogen evolution over-potential and a larger capacitance than CB. When PPy/CB is added in negative plate to prepare lead-acid battery, it effectively slows down the hydrogen evolution and the irreversible sulfation, which greatly prolongs the cycle life under the HRPSoC operation. The cycle life of the lead-acid battery reaches 7578 times, which is improved by about 109% compared with the control battery (only CB is added to the negative plate). 
关键词:聚吡咯;聚吡咯/炭黑复合材料;铅酸电池;硫酸盐化;析氢 
Keywords:polypyrrole; polypyrrole/carbon black composite; lead-acid battery; sulfation; hydrogen evolution 
基金:中科院STS区域重点项目(KFJ-STS-QYZD-2021-09-001),福建省STS计划配套项目(2020T3004,2020T3030),泉州市科技项目(2020G17),闽都创新实验室基金项目(2021ZR137) 
本文引用格式:
陈远强.聚吡咯/炭黑复合材料制备及其在铅酸电池中的应用[J].工程塑料应用,2021,49(8):1-7.
Chen Yuanqiang. Preparation of polypyrrole/carbon black composites and their applications in lead-acid batteries[J]. Engineering Plastics Application,2021,49(8):1-7. 

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