采用剑麻纤维、导电剂、粘结剂、膨胀剂、析氢抑制剂等为原料,利用原位合成的方法,制备了铅碳电池负极复合材料,利用扫描电子显微镜(SEM)、X射线衍射谱(XRD)、比表面吸附法(BET)、拉曼光谱(RM)等对其形貌、相结构、孔径、石墨化程度进行表征和分析.同时把负极复合材料与电池添加剂混合成涂膏,组装成Pb-C模拟电池,利用电化学测量技术,对Pb-C模拟电池进行循环伏安曲线、电化学交流阻抗谱测试,以评价原位合成负极复合材料实际应用的可能性及其潜在价值,结果表明,以原位合成剑麻纤维为碳源的负极复合材料制成的负极板,具有更好的电化学性能,具有更小的电阻,其循环伏安测试的比电容为0.523 F/g.
In this paper,we use sisal fiber and binders,extenders,the hydrogen evolution inhibitor anointed,in situ synthesis method to synthesize anode-composite lead-carbon batteries.SEM,XRD,BET and RM were used to characterize and analyze the morphology,structure,composition,stability of carbon materials.We mix the negative composite material electrode with a conductive agent to produce pastel.Pb-C analog battery was assem-bled.We use electrochemical workstation to test chronoamperometry curves,electrochemical impedance spec-troscopy so as to evaluate the possibility of in situ synthesis anode composite material and its potential value of practical application.Electrochemical testing results show that the negative plate,which was made by anode com-posite carbon material as the carbon source of in situ synthesis of sisal fiber.Possesses better electrochemical performance and smaller resistance.Its'specific capacitance of cyclic voltammograms test was 0.523 F/g.
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