Catalytic activity of a series of subphthalocyanines in the electrolyte of Li/SOCl2 battery

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• 作者：Rongrong Guo ; Zhen Dong ; Bei Xu ; Chao Song…
• 关键词：Subphthalocyanine ; Lithium/thionyl chloride battery ; Catalyst ; Mechanism
• 刊名：Journal of Solid State Electrochemistry
• 出版年：2015
• 出版时间：February 2015
• 年：2015
• 卷：19
• 期：2
• 页码：345-353
• 全文大小：729 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Physical Chemistry
  Analytical Chemistry
  Industrial Chemistry and Chemical Engineering
  Characterization and Evaluation Materials
  Condensed Matter
  Electronic and Computer Engineering
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1433-0768

文摘

A series of subphthalocyanines with different substituents (RPhO-BSubPc(COOCH3)3) have been synthesized and used as catalysts to catalyze lithium/thionyl chloride (Li/SOCl2) battery. All the compounds are structurally characterized by IR, UV, and element analysis. After adding RPhO-BSubPc(COOCH3)3 into the battery’s electrolyte, the energy and the capacity of the battery are increased by approximately 3.27-0.6 and 10.9-3.2?% than that of the battery in the absence of them. In addition, a three-step hypothetical mechanism is figured out to explain the complex catalytic process. By comparing the images of SEM, it is found that the addition of catalysts makes the lithium chloride layer looser, which is conducive to the transfer of electrons. Moreover, the hypothetical mechanism is confirmed by the results of cyclic voltammetry.