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3D Honeycomb Nanostructure Comprised of Mesoporous N Doped Carbon Nanosheets Encapsulating Isolated Cobalt and Vanadium Nitride Nanoparticles as a Highly Efficient Electrocatalyst for the Oxygen Reduction Reaction

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  • Key Words:氟橡胶;炭黑;碳纳米管;钛酸钾晶须;协同效应

  • Abstract:选取了钛酸钾晶须(PTW)和碳纳米管(CNTs)两种一维填料分别与炭黑(N990)协同补强氟橡胶,同时探究了硅烷偶联剂KH550对填料并用体系性能的影响,并系统地研究协同补强机理。结果表明:无论是高温还是常温条件下,N990、PTW和CNTs均能提升氟橡胶(FKM)的力学性能,其中CNTs对FKM的力学性能提升更明显,而N990和PTW使FKM具有较好的压缩永久变形性能;KH550的加入有利于N990/PTW/FKM体系中填料的分散,使其力学性能大幅增加,表现出较强的协同效应,同时保持了较好的压缩永久变形性能;N990/CNTs/FKM同样表现出较强的协同效应,但其压缩永久变形性能下降。

  • Volume:v.40;No.176

  • Issue:01

  • Translation or Not:no

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