B32B2457/18

Separator for fuel cell, fuel cell, and manufacturing method of separator for fuel cell
11011757 · 2021-05-18 · ·

A separator for a fuel cell, includes: a metal plate; a first electro-conductive resin layer formed on a first surface side of the metal plate; a second electro-conductive resin layer formed on a second surface side of the metal plate opposite to the first surface side; and a flow channel in which the metal plate and the first and second electro-conductive resin layers have a wavy shape in cross section.

Membrane electrode assembly manufacturing device and manufacturing method thereof

A membrane electrode assembly manufacturing device includes a loading apparatus for supplying an MEA roll on which a membrane electrode assembly is arranged by a predetermined pitch, a hot press apparatus for pressing a surface corresponding to the membrane electrode assembly of the MEA roll at a set temperature, a buffer apparatus to which the MEA roll is supplied to one side and exhausted at the other side, and for performing a buffer function of absorbing a difference between supply and exhaustion, and a cutting apparatus for cutting a portion of the membrane electrode assembly arranged at the MEA roll.

Holey Graphene Mesh and Solvent-Free Manufacturing and Composites Thereof
20210078287 · 2021-03-18 ·

Systems, methods, and devices of the various embodiments provide for the creation of holey graphene meshes (HGMs) and composite articles including HGMs. Various embodiments provide solvent-free methods for creating arrays of holes on holey graphene-based articles formed from dry compression (such as films, discs, pellets), thereby resulting in a HGM. In further embodiments, a HGM can used as part of a composite, such as by: 1) embedding a HGM into another matrix material such as carbon, polymer, metals, metal oxides, etc; and/or (2) the HGM serving as a matrix by filling the holes of the HGM or functionalizing the HGM body with another one or more materials. In various embodiments, HGM can also be made as a composite itself by creating holes on dry-compressed articles pre-embedded with one or more other materials.

MICROPOROUS MEMBRANES, BATTERY SEPARATORS, AND METHODS FOR MAKING AND USING THE SAME
20210043903 · 2021-02-11 ·

Disclosed herein is an improved membrane, separator and/or method for forming a multilayer microporous membrane for use in an improved battery separator, particularly a battery separator for a lithium ion secondary battery. Also disclosed herein is the multilayer microporous membrane formed by this method, which has properties that compete with or exceed those of wet process, coated or uncoated, membranes that are also useable in battery separators. Also disclosed are battery separators comprising the multilayer microporous membrane and batteries, vehicles, or devices comprising the separators. The method may comprise at least the following steps: (1) forming a stretched first non-porous precursor film that has pores due to the stretching of a first non-porous precursor film; (2) separately forming a second stretched non-porous precursor film that has pores due to the stretching of a second non-porous precursor film; and then (3) laminating the stretched first non-porous precursor and the stretched second non-porous precursor.

CURABLE COMPOSITION FOR POLYMER ELECTROLYTE, AND LAYERED BODY
20210008859 · 2021-01-14 ·

Provided is a curable composition for a polymer electrolyte, including: a component (A): a radical polymerizable compound having a (meth)acryloyl group, a component (B): a compound having, in one molecule, an epoxy group and a skeleton of at least one selected from the group consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene, and a component (C): a radical polymerization initiator, in which a content of each of the components (A) to (C) based on the entire composition is as follows, the component (A): from 30 to 98.9% by mass the component (B): from 1 to 40% by mass, and the component (C): from 0.1 to 15% by mass.

SHEET ATTACHING APPARATUS AND METHOD

A sheet attaching apparatus includes a gripping mechanism that grips one end portion, in a longitudinal direction, of a first sheet that has been drawn out from a first supply roll; a moving mechanism that allows the first sheet to be attached to a second sheet by moving the gripping mechanism to cause the first sheet to approach and contact the second sheet that passes through an attaching portion provided in a feeding path; and a releasing mechanism that releases a grip of the gripping mechanism on the first sheet, after the first sheet has contacted the second sheet.

Highly filled high thermal conductive material, method for manufacturing same, composition, coating liquid and molded article

[Problem] Provided are a high filler-loaded high thermal conductive material which sufficiently utilizes features of an organic polymer while ameliorating drawbacks, enables integrated molding with ceramics, metals, semiconductor elements and the like, and has a low coefficient of thermal expansion and a high thermal conductivity; and a method for producing the high filler-loaded high thermal conductive material, a composition, coating liquid and a molded article. [Solution] Disclosed is a high filler-loaded high thermal conductive material formed by subjecting a composition which includes organic polymer particles and a thermally conductive filler having a graphite-like structure, and includes 5 to 60% by weight of the organic polymer particles and 40 to 95% by weight of the thermally conductive filler having a graphite-like structure relative to 100% by weight of the total amount of these components, is obtained, so that the thermally conductive filler is dispersed by delamination while maintaining the average planar particle size of the thermally conductive filler, and is capable of forming a thermally conductive infinite cluster; to press molding at a temperature higher than equal to the deflection temperature under load, melting point or glass transition temperature of the organic polymer and a pressure of 1 to 1000 kgf/cm.sup.2; and to cooling and solidification.

Holey graphene mesh and solvent-free manufacturing and composites thereof

Systems, methods, and devices of the various embodiments provide for the creation of holey graphene meshes (HGMs) and composite articles including HGMs. Various embodiments provide solvent-free methods for creating arrays of holes on holey graphene-based articles formed from dry compression (such as films, discs, pellets), thereby resulting in a HGM. In further embodiments, a HGM can used as part of a composite, such as by: 1) embedding a HGM into another matrix material such as carbon, polymer, metals, metal oxides, etc; and/or (2) the HGM serving as a matrix by filling the holes of the HGM or functionalizing the HGM body with another one or more materials. In various embodiments, HGM can also be made as a composite itself by creating holes on dry-compressed articles pre-embedded with one or more other materials.

NANOFIBER ELECTRODES, FABRICATING METHODS AND APPLICATIONS OF SAME
20200353719 · 2020-11-12 ·

Nanofiber electrodes for electrochemical devices and fabricating methods of the same are disclosed. In one embodiment, the method includes forming a liquid mixture containing a catalyst, a first polymer of perfluoro sulfonic acid and a second polymer of polyethylene oxide, the first polymer of perfluoro sulfonic acid being pre-treated to remove protons in the first polymer by exchange with a cation species like Na+; and electro spinning the liquid mixture to generate electro spun fibers and deposit the generated fibers on a collector substrate to form a fiber electrode mat comprising a network of fibers, where each fiber has a plurality of particles of the catalyst distributed thereon.

Method for producing composite structural material

The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm.sup.1, the wave number (n.sup.1) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm.sup.1.