H01M8/00

Reinforced electrode assembly

A fuel cell, a reinforced membrane electrode assembly and a method of fabricating a reinforced membrane electrode assembly. The method comprises depositing an electrode ink onto a first substrate to form a first electrode layer, applying a first porous reinforcement layer on a surface of the first electrode layer to form a first catalyst coated substrate, depositing a first ionomer solution onto the first catalyst coated substrate to form a first ionomer layer, and applying a membrane porous reinforcement layer on a surface of the first ionomer layer to form a reinforced membrane layer.

Flow battery stack with an integrated heat exchanger

A flow battery stack includes a plurality of flow battery cells, a manifold and a heat exchanger. Each flow battery cell includes an electrode layer that is wet by an electrolyte solution having a reversible redox couple reactant. The manifold includes a solution passage that exchanges the electrolyte solution with the flow battery cells. The heat exchanger includes a heat exchange fluid passage. The heat exchanger exchanges heat between the electrolyte solution in the solution passage and a heat exchange fluid directed through the heat exchange fluid passage. The flow battery cells, the manifold and the heat exchanger are arranged between first and second ends of the flow battery stack.

INCORPORATED DEVICE AND METHOD FOR CONTROLLING INCORPORATED DEVICE
20170324103 · 2017-11-09 ·

Provided is an incorporated device that incorporates therein an electrolytic cell and a power control device that is capable of suppressing temperature rise in the electrolytic cell to thereby suppress a reduction in the life of electrodes, and a method for controlling an incorporated device. The incorporated device incorporates therein an electrolytic cell and a power control device that is capable of suppressing temperature rise in the electrolytic cell to thereby suppress a reduction in the life of electrodes. The power control device includes: a voltage-current control circuit that supplies, in a constant current control mode, an electrolysis current to the electrolytic cell while the voltage-current control circuit controls the electrolysis current not to exceed a current value of a reference current, the current value of the reference current being preliminary set according to a rated current of a unit cell constituting the electrolytic cell; and a temperature detecting part that detects an environmental temperature of an outside of the electrolytic cell, the environmental temperature being a temperature of an inside of the incorporated device. The voltage-current control circuit stops supply of the electrolysis current when a detected temperature of the temperature detecting part falls outside of a preliminarily set rated temperature range, and resumes supply of the electrolysis current when the detected temperature of the temperature detecting part returns within the rated temperature range.

Pressure reducing valve

A valve element of a pressure reducing valve includes a taper portion seated on an inner periphery of a valve hole that includes a first area, a second area and a third area in order from an upstream side. The first area is provided such that, when the valve element is open, the height of a passage defined between the first area and the taper portion gradually reduces toward a downstream side. The second area is provided such that the height of a passage defined between the second area and the taper portion is constant when the valve element is open and the entire second area contacts the taper portion when the valve element is closed. The third area is provided such that, when the valve element is open, the height of a passage defined between the third area and the taper portion gradually increases toward the downstream side.

Fuel cell components

A strip of fuel cell components (200) comprising: a plurality of fuel cell components (202) spaced apart in a first direction; an indexing structure (210) connected to the plurality of fuel cell components, the indexing structure configured to define the position of one of the plurality of fuel cell components in the first direction; wherein the indexing structure is made from a different material to the plurality of fuel cell components. A component transfer mechanism for transferring a fuel cell sub-component to a substrate, using a roller and transfer tape. A strip of fuel cell components with a sub-component which is rotatable about a pivot. An apparatus and a method for assembling a fuel cell by applying a sub-component to an underside of a strip moving on a conveyor.

Membrane electrode assembly, fuel cell using the same and manufacturing method of membrane electrode assembly

There is provided a technique of preventing degradation of an electrolyte membrane included in a fuel cell. A fuel cell includes a membrane electrode assembly. The membrane electrode assembly is provided as a power generation device where electrodes are arranged on both sides of an electrolyte membrane having proton conductivity. Each of the electrodes has a layered structure of stacking a catalyst layer arranged to support a catalyst and a gas diffusion layer arranged to spread a reactive gas over the entire electrode plane. The outer peripheral edge of the gas diffusion layer is located inward of the outer peripheral edge of the catalyst layer.

Cell stack device, fuel cell module, fuel cell device, and method of fabricating cell stack device
09761895 · 2017-09-12 · ·

[Object] To provide a cell stack device, the power generation efficiency of which is improved, and a fuel cell module and a fuel cell device that include the cell stack device. [Solution] A cell stack device 1 includes a cell stack 2 that includes a plurality of fuel cells 3 electrically connected to one another and arranged, the fuel cells 3 that each includes a gas channel through which a reactant gas flows. In the cell stack device 1, the fuel cells 3 of the cell stack 2 are provided in the form of fuel cell groups that each include an arbitrary number of the fuel cells 3. In the cell stack device 1, the fuel cell groups are arranged such that average pressure loss values of the fuel cells 3 of the fuel cell groups increase sequentially from a central portion to an end portion side in a fuel cell 3 arrangement direction. Thus, the power generation efficiency of the cell stack device 1 can be improved.

Fuel cell

A fuel cell includes a main body which is formed by stacking a cathode layer, an electrolyte layer, and an anode layer, in which the surface of one of the cathode and anode layers serves as a first main surface, and the surface of the other layer serves as a second main surface; a first current collector in contact with the first main surface; and a second current collector in contact with the second main surface. As viewed in a thickness direction, at least a portion of the boundary of a second region of the second current collector corresponding to the second main surface is located within a first region of the first current collector corresponding to the first main surface, and the remaining portion is located within the first region or on the boundary of the first region.

Methods for co-electrolysis of water and CO.SUB.2 .(SOEC) or for high-temperature electricity production (SOFC) optionally promoting catalytic reactions inside the H.SUB.2 .electrode

The invention essentially consists of proposing a novel reactor or fuel cell architecture having an active section of the catalytic material for methanation or reforming reaction integrated into the electrode which varies with the composition of the gases, as they are distributed in accordance with the electrochemistry on said electrode.

POROUS NANOPARTICLE CATALYST FOR METHANE CONVERSION AND METHOD OF PREPARING THE SAME
20220228278 · 2022-07-21 ·

THE PRESENT DISCLOSURE RELATES TO A POROUS NANOPARTICLE CATALYST FOR METHANE CONVERSION, INCLUDING A FIRST METAL OXIDE AND A SECOND METAL OXIDE, AND A METHOD OF PREPARING THE SAME.