An electrochemical module (EM) transfers a fluid across a membrane thereof using oxygen as a carrier gas. The EM has an anion exchange membrane (AEM) disposed between a first and second electrodes, each of which includes a catalyst. At an inlet side, the catalyst facilitates reaction of the fluid with carrier gas, such that an anion is formed. The anion is transported across the AEM in the presence of an electric field applied to the electrodes. At an outlet side, the catalyst facilitates dissociation of the anion back to the fluid and carrier gas. In some embodiments, the fluid comprises carbon dioxide, and the transporting by the EM is part of a heating/cooling cycle or a power generation cycle, or is used to capture carbon dioxide for storage or regeneration of stale air. In some embodiments, the fluid comprises water vapor, and the transporting by the EM dehumidifies air.

An electrochemical module (EM) transfers a fluid across a membrane thereof using oxygen as a carrier gas. The EM has an anion exchange membrane (AEM) disposed between a first and second electrodes, each of which includes a catalyst. At an inlet side, the catalyst facilitates reaction of the fluid with carrier gas, such that an anion is formed. The anion is transported across the AEM in the presence of an electric field applied to the electrodes. At an outlet side, the catalyst facilitates dissociation of the anion back to the fluid and carrier gas. In some embodiments, the fluid comprises carbon dioxide, and the transporting by the EM is part of a heating/cooling cycle or a power generation cycle, or is used to capture carbon dioxide for storage or regeneration of stale air. In some embodiments, the fluid comprises water vapor, and the transporting by the EM dehumidifies air.

A fuel cell module includes a stack including a plurality of fuel cells stacked together, at least one dummy cell in contact with the stack at an end portion of the stack in a stacking direction, a reactant gas supply path configured to supply a reactant gas that is either a fuel gas or an oxidant gas to the fuel cells and the dummy cell, and a reactant gas discharge path in communication with the fuel cells and the dummy cell. The fuel cells and the dummy cell each include a reactant gas flow path configured to cause the reactant gas from the reactant gas supply path to flow toward the reactant gas discharge path. Pressure loss of the reactant gas flow path of the dummy cell is smaller than pressure loss of the reactant gas flow path of the fuel cells.

A fuel cell includes a flow field plate having at least one channel and at least one land, where each of the at least one channel is positioned between two adjacent lands. The fuel cell further includes a gas diffusion layer (GDL) positioned between the flow field plate and a catalyst layer, where the catalyst layer has a first region aligned with the at least one channel and a second region aligned with the at least one land. The first region may have a first catalyst material supported by a first catalyst support region, and the second region may have a second catalyst material supported by a second catalyst support region.

A fuel cell includes a flow field plate having at least one channel and at least one land, where each of the at least one channel is positioned between two adjacent lands. The fuel cell further includes a gas diffusion layer (GDL) positioned between the flow field plate and a catalyst layer, where the catalyst layer has a first region aligned with the at least one channel and a second region aligned with the at least one land. The first region may have a first catalyst material supported by a first catalyst support region, and the second region may have a second catalyst material supported by a second catalyst support region.

The present disclosure generally relates to systems and methods for inducing a secondary flow from a first groove in a bipolar plate of a fuel cell to a second groove in the bipolar plate over a first land in the bipolar plate wherein the land is adjacent to a compressed section of a gas diffusion layer in the fuel cell, and wherein the secondary flow increases locally available oxygen and hydrogen at the membrane electrode assembly adjacent to the compressed section of the gas diffusion layer.

A bipolar plate for use in a fuel cell stack includes a first delimiting surface and a second delimiting surface that is arranged parallel to the first delimiting surface, wherein the delimiting surfaces are arranged spaced apart from one another and define an intermediate space, wherein the bipolar plate includes at least one fuel cell section having a flow field that has depressions that protrude into the intermediate space and is provided so as to make direct contact with a fuel cell, and the bipolar plate includes at least one cooling section that extends therefrom along the delimiting surfaces, wherein at least one heat pipe is arranged in the intermediate space and extends so as to transfer heat from the fuel cell section into the cooling section.

The present disclosure relates to the field of fuel cells. The present disclosure relates to a fuel cell component, comprising a plate body, with the following provided on the plate body: an anode gas flow path leading from an anode inlet to an anode outlet; a cathode gas flow path leading from a cathode inlet to a cathode outlet; and a coolant flow path leading from a coolant inlet to a coolant outlet, the coolant flow path being configured such that coolant is partially diverted from the coolant inlet to a designated region of the plate body and mixes with an undiverted portion in the designated region, in order to enhance cooling capacity in the designated region by means of the mixed coolant. The present disclosure also relates to a fuel cell system and a heat management method for the fuel cell component.

The present disclosure relates to the field of fuel cells. The present disclosure relates to a fuel cell component, comprising a plate body, with the following provided on the plate body: an anode gas flow path leading from an anode inlet to an anode outlet; a cathode gas flow path leading from a cathode inlet to a cathode outlet; and a coolant flow path leading from a coolant inlet to a coolant outlet, the coolant flow path being configured such that coolant is partially diverted from the coolant inlet to a designated region of the plate body and mixes with an undiverted portion in the designated region, in order to enhance cooling capacity in the designated region by means of the mixed coolant. The present disclosure also relates to a fuel cell system and a heat management method for the fuel cell component.

A separator for a fuel cell includes protrusions and gas passage portions. The protrusions each include a contact surface configured to contact a power generation portion. The gas passage portions are each arranged between two adjacent ones of the protrusions. An upstream side and a downstream side are defined with reference to a direction in which reactant gas flows through the gas passage portions. The protrusions each include a downstream end. The contact surfaces of the protrusions each include a first groove extending along an extending direction of the protrusions. The downstream end of each of the protrusions includes a separation surface. The separation surface is continuous with the contact surface on the downstream side and separated from the power generation portion. The separation surface includes a second groove that is continuous with the first groove.