The method for producing the membrane electrode assembly may be selected from various methods: a catalyst layer directly formed on an ion exchange membrane and sandwiched with gas diffusion layers as required; a catalyst layer formed on a substrate for {HEAD ~ a gas diffusion layer} such as carbon paper, and the catalyst layer connected with {TAIL ~ an ion exchange membrane}; and a catalyst layer formed on a flat plate, the catalyst layer transferred onto an ion exchange membrane, and then the flat plate peeled away, and sandwiched with gas diffusion layers as required 
The method for producing the membrane electrode assembly may be selected from various methods : a catalyst layer directly formed on an ion exchange membrane and sandwiched with gas diffusion layers as required ; a catalyst layer formed on a substrate for { HEAD ~ a gas diffusion layer } such as carbon paper , and the catalyst layer connected with { TAIL ~ an ion exchange membrane } ; and a catalyst layer formed on a flat plate , the catalyst layer transferred onto an ion exchange membrane , and then the flat plate peeled away , and sandwiched with gas diffusion layers as required
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