在质子交换膜燃料电池的扩散层和催化层之间添加由导电碳黑和疏水剂(PTFE)组成的微孔层(Micro-porous Layer,MPL),能很好地处理水淹电极问题,从而提高电池的性能。
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The mass transport of water and reactant gas in GDL, the two-layer structure of GDL and the "water management" mechanism of the micro-porous layer, and the research progress in GDL were reviewed.
概述了气体扩散层中水和反应气的传质、GDL的双层结构、微孔层的“水管理”机制以及GDL的研究进展。
The coatings film will be dilatated when contacted to fire, forming a high dense and micro-porous fire proofing layer to prolong the fire retardant limit of steel structures.
由该涂料制得的涂层遇火发泡膨胀，形成具有一定厚度的密实微孔状阻燃层，从而提高了钢结构的耐火极限。
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