摘要:
An electrochemical cell structure comprises an anode, a cathode spaced apart from the anode and an electrolyte in ionic communication with each of the cathode and the anode. A single-piece nonconductive frame supports each of the anode, the cathode and the electrolyte and defines a flowpath for working fluids and for byproducts or ionic exchange.
摘要:
An electrochemical cell structure is provided which includes an anode, a cathode spaced apart from said anode, an electrolyte in ionic communication with each of said anode and said cathode and a nonconductive frame. The nonconductive frame includes at least two components that support each of said anode, said cathode and said electrolyte and define at least one flowpath for working fluids and for products of electrochemical reaction.
摘要:
An apparatus for producing hydrogen (H2) includes an electrolyzer configured to produce H2 gas from steam and a catalytic partial oxidation (CPO) reformer. The CPO reformer is coupled to the electrolyzer and configured to utilize byproducts of the electrolyzer as input to produce more H2. The electrolyzer is coupled to the CPO reformer to utilize steam and heat byproducts from the CPO reformer as input to the electrolyzer.
摘要:
An oxidant distribution system for a fuel cell assembly includes a fuel cell having at least one oxidant inlet and at least one oxidant outlet, a housing surrounding the fuel cell and an insulation layer positioned between the housing and the fuel cell. The insulation layer defines a cavity adjacent to the oxidant inlet for channeling oxidant flow to the oxidant inlet. A fuel distribution system for a fuel cell assembly including similar features is also disclosed.
摘要:
A fuel cell assembly comprises a separating structure configured for separating a first reactant and a second reactant wherein the separating structure has an opening therein. The fuel cell assembly further comprises a fuel cell comprising a first electrode, a second electrode, and an electrolyte interposed between the first and second electrodes, and a passage configured to introduce the second reactant to the second electrode. The electrolyte is bonded to the separating structure with the first electrode being situated within the opening, and the second electrode being situated within the passage.
摘要:
A fuel cell stack includes at least one fuel cell unit and a number of interconnects defining at least two openings and including at least one flow field for flowing a reagent. Each opening defines a respective fuel manifold, including at least one each of intake and exhaust fuel manifolds. The fuel cell unit includes an anode, a cathode, and an electrolyte disposed therebetween. The anode is adjacent to and in both electrical connection and fluid communication with one of the interconnects, which has a flow field that guides a fuel flow between the intake and exhaust fuel manifolds. The cathode is adjacent to and in both electrical connection and fluid communication with another interconnect with a flow field that guides an oxidant flow. The fuel cell stack includes a perimeter isolation seal and at least two interior isolation seals for sealing the electrolyte to the respective interconnects.
摘要:
A method of operating an integrated hydrogen production and processing system is provided. The method includes operating an electrolyzer to produce hydrogen from water and utilizing heat generated from the electrolyzer to increase a temperature of an electrolyte in a first mode of operation. The method also includes heating the electrolyte in a second mode of operation by extracting heat from a hydrogen compressor to increase or maintain the temperature of the electrolyte during periods when electrolysis is not performed in the electrolyzer or during startup of the electrolyzer.
摘要:
A power generation system comprising a liquid-cooled electrolyzer operable to produce a supply of hydrogen from water is provided. The power generation system may also comprise a steam turbine and a steam production device operable to produce a supply of steam to the steam turbine. The power generation system may also comprise a system operable to provide cooling liquid to the liquid-cooled electrolyzer and to couple heated cooling liquid from the liquid-cooled electrolyzer to the steam production device.
摘要:
A fuel cell stack comprises multiple fuel cell assemblies, wherein each fuel cell assembly includes a fuel cell comprising an anode layer and a cathode layer, and an electrolyte interposed between the anode layer and the cathode layer. The fuel cell assembly further comprises an anode interconnect and a cathode interconnect, wherein the anode interconnect may be firmly attached to the anode layer by means of a bonding agent and a sealing agent used to seal passages on the anode layer of each fuel cell.
摘要:
A fuel cell assembly comprises a stress inducer for inducing a planar compressive stress, typically at least one stress inducer, in some embodiments, to at least one of an anode layer, a cathode layer and an electrolyte layer interposed therebetween, constructed from brittle layers having a higher fracture strength in compression than in tension. More particularly, the present technique provides a stress inducer for inducing the planar compressive stress to at least one of those brittle layers.