The processing apparatus includes: a first roller 10 around which a gas-diffusion layer sheet (carbon paper CP) is wound, the gas-diffusion layer sheet being an electrically conductive porous member; a second roller 20 configured to take up the carbon paper CP wound around the first roller 10; and a processing oven configured to heat process a portion of the carbon paper CP, the portion having been fed from the first roller 10 but not yet taken up by the second roller 20. A heat-resistant lead LE is provided, the heat-resistant lead LE having a length at least extending from the first roller 10 to the second roller 20 through the processing oven, being configured to be taken up by the second roller 20, and being bonded to the carbon paper CP impregnated with a thermosetting resin AD.

The processing apparatus includes: a first roller 10 around which a gas-diffusion layer sheet (carbon paper CP) is wound, the gas-diffusion layer sheet being an electrically conductive porous member; a second roller 20 configured to take up the carbon paper CP wound around the first roller 10; and a processing oven configured to heat process a portion of the carbon paper CP, the portion having been fed from the first roller 10 but not yet taken up by the second roller 20. A heat-resistant lead LE is provided, the heat-resistant lead LE having a length at least extending from the first roller 10 to the second roller 20 through the processing oven, being configured to be taken up by the second roller 20, and being bonded to the carbon paper CP impregnated with a thermosetting resin AD.

An alkali polysulphide flow battery, components, systems and compositions for use with an alkali polysulphide flow battery and a method of manufacturing and operating a flow battery system are provided. An ion-selective separator composition for a battery having an anode and an alkali metal sulfide or polysulfide cathode is provided. The separator composition includes an alkali metal ion conducting separator film for separating the anode and the cathode, a carbon layer disposed to a cathode side of the film and an alkali metal ion conductor layer disposed to an anode side of the carbon layer.

An alkali polysulphide flow battery, components, systems and compositions for use with an alkali polysulphide flow battery and a method of manufacturing and operating a flow battery system are provided. An ion-selective separator composition for a battery having an anode and an alkali metal sulfide or polysulfide cathode is provided. The separator composition includes an alkali metal ion conducting separator film for separating the anode and the cathode, a carbon layer disposed to a cathode side of the film and an alkali metal ion conductor layer disposed to an anode side of the carbon layer.

A carbon foam formed of carbon fibers, where, at 90% or more of any 20 locations, the carbon fibers have a fiber diameter that is within ±20% of an average fiber diameter.

This disclosure provides a lithium (Li) ion battery that includes an anode, a cathode positioned opposite to the anode, a porous separator positioned between the anode and the cathode, and a liquid electrolyte in contact with the anode and the cathode. The anode includes an electrically conductive substrate. A first film is deposited on the electrically conductive substrate. The first film includes a first concentration of carbon particles in contact with each other and defines a first electrical conductivity for the first film. Each of the carbon particles includes a plurality of aggregates formed of few layer graphene sheets. The plurality of aggregates form a porous structure configured to undergo a lithiation, which can include any one or more of an intercalation operation or a plating operation. The anode and the cathode can include an electroactive material. The porous structure can provide conduction between the few layer graphene sheets.

A lithium battery and method for fabricating the same are provided herein. The battery cathode comprises a carbon structure filled with a catalyst, such as palladium-catalyst-filled carbon nanotubes (CNTs). The carbon structure provides a barrier between the catalyst and the electrolyte providing an increased stability of the electrolyte during both discharging and charging of a battery.

The present invention provides a membrane electrode assembly of a fuel cell, comprising a gas diffusion layer, a microporous layer, a catalytic layer, and an electrolyte membrane that are sequentially stacked. In the direction of an air flow path, the thickness of the microporous layer decreases progressively, the thickness of the catalytic layer increases progressively, and the total thickness of the microporous layer and the catalytic layer keeps consistent. The present application also provides a preparation method for the membrane electrode assembly of a fuel cell. The membrane electrode assembly of a fuel cell provided in the present application can balance water content of a gas inlet area and a gas outlet area of the fuel cell, and finally improves the stability of the fuel cell at different temperatures and humidity levels, thereby implementing functions such as improving the durability and decreasing a catalyst load.

The present invention provides a microporous layer structure of a fuel cell, comprising: a microporous layer having high water vapor transmission rate and a microporous layer having low water vapor transmission rate that are sequentially stacked. In the direction of an air flow path, the thickness of the microporous layer having high water vapor transmission rate increases progressively, the thickness of the microporous layer having low water vapor transmission rate decreases progressively, and the total thickness of the microporous layer structure keeps consistent. At an air inlet, the thickness of the microporous layer having high water vapor transmission rate is smaller than that of the microporous layer having low water vapor transmission rate. At an air outlet, the thickness of the microporous layer having high water vapor transmission rate is greater than that of the microporous layer having low water vapor transmission rate. The present application also provides a preparation method for the microporous layer structure and a membrane electrode assembly of a fuel cell. The microporous layer structure of a fuel cell provided in the present application can balance water content of a gas inlet area and a gas outlet area of the fuel cell, and finally improves the stability of the fuel cell at different temperatures and humidity levels, thereby implementing functions such as improving durability.

A manufacturing method of a laminate for manufacturing a fuel cell which uses a roll-to-roll technique includes: a first step of preparing a first laminate formed by stacking the release layer, the electrolyte membrane and an electrode layer in this order on a back sheet, a second step of stacking and bonding a gas diffusion layer on the electrode layer of the first laminate to obtain a second laminate, and a third step of peeling the back sheet from the second laminate to obtain a third laminate; and the bonding temperature in the second step is less than 170° C., and a tension X (N) applied to the back sheet, and a conveyance speed Y (m/min) at which the second step to the third step are continuously executed satisfy a following equation (1).

Y≤12.09exp (−0.15X)   . . . (1).