Provided are a separator for a fuel cell, a method of manufacturing the same, and a fuel cell electrode assembly, The fuel cell separator includes: a first support formed by accumulating a polymer fiber and having a plurality of first pores; a first ion exchange resin filled in the plurality of first pores of the first support by droplets of the first ion exchange resin obtained by electrospraying the first ion exchange resin on the first support; a second support formed by accumulating a polymer fiber on the first support and having a plurality of second pores; and a second ion exchange resin filled in the plurality of second pores of the second support by droplets of the second ion exchange resin obtained by electrospraying the second ion exchange resin on the second support.

A heat treatment method for a membrane electrode assembly (MEA) of a fuel cell includes: placing a power supply plate on a surface of the MEA or on a surface of an assembly of the MEA and a gas diffusion layer (GDL); and performing heat treatment on a surface or interior of the power supply plate by applying power to the power supply plate.

Described herein is a composition comprising: a polymer derived from (a) a fluorinated olefin monomer; (b) a highly fluorinated sulfur-containing monomer of the formula: CX.sup.1X.sup.2CX.sup.3[(CX.sup.4X.sup.5).sub.wOR.sup.1SO.sub.2Y] where X.sup.1, X.sup.2, X.sup.3, X.sup.4, and X.sup.5 are independently selected from H, Cl, or F; w is 0 or 1; R.sup.1 is a non-fluorinated or fluorinated alkylene group; and Y is selected from F, Cl, Br, I, or OM, where M is a cation; and (c) a polyfunctional monomer comprising at least two functional groups, wherein the functional groups are selected from the group consisting of: (i) a fluorovinyl ether group, (ii) a fluoroallyl ether group, (iii) a fluorinated olefinic group, and (iv) combinations thereof; articles thereof; and a method of making such polymers.

Simplified methods for preparing a catalyst coated membrane (CCM) for solid polymer electrolyte fuel cells. The CCM has two reinforcing, expanded polymer sheets and the methods involve forming the electrolyte membrane from ionomer solution during assembly of the CCM. Thus, the conventional requirement to obtain, handle, and decal transfer solid polymer sheets in CCM preparation can be omitted. Further, CCM structures with improved mechanical strength can be prepared by orienting the expanded polymer sheets such that the stronger tensile strength direction of one is orthogonal to the other. Such improved CCM structures can be fabricated using the simplified methods.

The present invention relates to methods for synthesizing MFI zeolite nanosheet (ZN) assemblies and open-pore ZN plates and for tiling ZN plates on polymer supports. Methods for producing ZN assemblies and ZN plates may reduce or eliminate the need to synthesize nanoparticle (NP) seed-evolved single-crystal zeolite nanosheets (ZNs) as an intermediate product. Methods for tiling ZN plates on polymer supports may produce ZN plate-tiled (ZNPT) membranes with reduced permeation through intercrystalline spaces.

A zipped ion-exchange membrane (Z-IEM) having at least one cation-exchange polyelectrolyte (CEP) crosslinked with at least one anion-exchange polyelectrolyte (AEP), wherein the CEP has a molar fraction of positive charges (x) so that: (i) when x=0.5, the Z-IEM is a completely neutralized ion-exchange membrane; (ii) when x>0.5, the Z-IEM is a cation-conducting ion-exchange membrane; (iii) when x<0.5, the Z-IEM is an anion-conducting ion-exchange membrane. The above zipped ion-exchange membrane (Z-IEM): (i) is based on a polymeric matrix; (ii) is endowed with a high conductivity for ionic species such as either H.sub.3O.sup.+, OH.sup. or halides such as F.sup., Cl.sup., Br.sup., and I.sup.; and (iii) is able to block as much as possible the crossover of other ionic species, such as: cations such as V.sup.2+, V.sup.3+, VO.sup.2+, VO.sup.2+, Fe.sup.2+, Fe.sup.3+, Cr.sup.2+, Cr.sup.3+, Ce.sup.3+, Ce.sup.4+, Ti.sup.3+, Ti.sup.4+, Mn.sup.2+, Mn.sup.3+, Zn.sup.2+, Pb.sup.2+, Np.sup.3+, Np.sup.4+, NpO.sub.2.sup.2+, NpO.sub.2.sup.+, Li.sup.+, Na.sup.+, K.sup.+, Rb.sup.+, Cs.sup.+, Mg.sup.2+, Ca.sup.2+, Sr.sup.2+, Ba.sup.2+; and anions such as F.sup., BF.sub.4.sup., Cl.sup., ClO.sup., ClO.sub.2.sup., ClO.sub.3.sup., ClO.sub.4.sup., Br.sup., Br.sub.3.sup., I.sup., I.sub.3.sup..

A membrane electrode assembly includes an electrolyte layer, and a catalyst layer that includes particles carrying a catalyst metal and is positioned on a first surface of the electrolyte layer. The membrane electrode assembly includes a symbol containing therein encoded information required for manufacture of the membrane electrode assembly. The symbol is a discolored laser trace in the electrolyte layer and is disposed in an edge of the first surface where the catalyst layer is not positioned.

An electrochemical installation operating at high temperature includes a plurality of stacks for carrying out electrochemical reactions, a heating furnace comprising a chamber intended for receiving the stacks, and a heater. The installation includes at least one rack including a self-supporting structure including a plurality of superimposed stages of stacks and/or including a plurality of self-supporting structures defining a plurality of superimposed stages of stacks. Each self-supporting structure comprises a fluid distributor configured to supply each stack with at least one fluid and/or to collect at least one fluid from each stack. The chamber is configured to contain at least one rack, the stack stages of the one rack or each rack contained in the chamber being intended for being commonly heated by the heater.

Disclosed are a carbon-based carrier that is capable of increasing catalyst activity as much as that of a porous type while having excellent durability unique to that of a solid type, a catalyst comprising same, a membrane-electrode assembly comprising same, and a method for preparing same. The carbon-based carrier for a fuel cell catalyst of the present invention is a solid-type carrier, and has an outer surface area of 100-450 m.sup.2/g, a mesopore volume of 0.25-0.65 cm.sup.3/g, and a micropore volume of 0.01-0.05 cm.sup.3/g.

Disclosed are a carbon-based carrier that is capable of increasing catalyst activity as much as that of a porous type while having excellent durability unique to that of a solid type, a catalyst comprising same, a membrane-electrode assembly comprising same, and a method for preparing same. The carbon-based carrier for a fuel cell catalyst of the present invention is a solid-type carrier, and has an outer surface area of 100-450 m.sup.2/g, a mesopore volume of 0.25-0.65 cm.sup.3/g, and a micropore volume of 0.01-0.05 cm.sup.3/g.