Conductive Polymer Encapsulation of YBa2Cu3O7 for Protection Against Reactive Environments

Chinese Journal of Applied Chemistry ›› 1994, Vol. 0 ›› Issue (4): 78-80.

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Conductive Polymer Encapsulation of YBa₂Cu³O₇ for Protection Against Reactive Environments

Wang Weihua, Zhao Liangzhong, Zhang Jinbiao, Xu Cuiying

Beijing Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080

Received:1993-08-16 Revised:1994-02-22 Published:1994-08-10 Online:1994-08-10

Abstract

Abstract: Conductive polypyrrole(PPy ) films were prepared on the surface of YBa₂Cu₃O₇ superconductors through electrochemical synthesis or chemical method to prevent YBa₂Cu₃O₇ from corroding in reactive environments.The resuIts showed that the electrochemical polymerization destroyed the superconductivity of YBa2Cu3O7,whereas the chemical coating of PPy/PVC on YBa₂Cu₃O₇ did not affect the superconductivity.Furthermore,the chemical PPy/PVC coatings could greatly improve the superconductors stability in water and acid.

Key words: YBa₂Cu³O₇, superconductor, protection, polypyrrole, polyvinylchloride

Wang Weihua, Zhao Liangzhong, Zhang Jinbiao, Xu Cuiying. Conductive Polymer Encapsulation of YBa₂Cu³O₇ for Protection Against Reactive Environments[J]. Chinese Journal of Applied Chemistry, 1994, 0(4): 78-80.

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Conductive Polymer Encapsulation of YBa₂Cu³O₇ for Protection Against Reactive Environments

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