Abstract: Provided is a method for manufacturing a membrane-electrode assembly. The method includes forming an electrode layer, preparing a porous support layer, and positioning the electrode layer on each of both surfaces of the porous support layer and hot-pressing the electrode layer positioned on the both surfaces. The forming of the electrode layer incudes forming a functional layer including a hydrogen ion conductive binder resin on at least a portion of an electrode catalyst layer, and forming an electrolyte layer on at least a portion of the functional layer. The preparing of the porous support layer includes performing a pretreatment process by impregnating the porous support layer with a pretreatment composition, and the performing of the pretreatment process includes dipping the porous support layer in a first pretreatment composition and then drying the porous support layer, and dipping the porous support layer after drying in a second pretreatment composition.

Abstract: A method of transporting a battery module includes transporting the battery module containing at least one battery and a backplane disposed in a cabinet to an operating site such that the at least one battery is electrically isolated from the backplane during the transporting, installing the battery module at the operating site, and electrically connecting the at least one battery to the backplane after the transporting.

Abstract: A membrane electrode assembly comprises an anode electrode comprising an anode catalyst layer; a cathode electrode comprising a cathode catalyst layer; and a polymer electrolyte membrane interposed between the anode electrode and the cathode electrode; wherein at least one of the anode and cathode catalyst layers comprises a block co-polymer comprising poly(ethylene oxide) and poly(propylene oxide).

Abstract: Methods for manufacturing a catalyst layer of a membrane-electrode assembly may include preparing a solution including an ionomer and a solvent, forming a catalyst slurry composition by adding a carbon powder catalyst to the solution, forming a catalyst layer by applying the catalyst slurry composition onto a base material, and then drying the catalyst slurry composition.

Abstract: A secondary battery in which an insulation sheet is inserted between a cap-up and a case, thereby increasing safety, is provided. The secondary battery includes: an electrode assembly; a case for receiving the electrode assembly; a cap assembly coupled to an upper part of the case; and a gasket interposed between the cap assembly and the case. The cap assembly includes: a cap-up; a safety vent installed at a lower part of the cap-up and extending to an upper part of the cap-up so as to surround a periphery of the cap-up; and an insulation sheet positioned at an upper part of the safety vent extending to the upper part of the cap-up.

Abstract: An amorphous oxide-based positive electrode active material that is a production material of a positive electrode for an all-solid secondary battery, wherein the amorphous oxide-based positive electrode active material (i) comprises an alkali metal selected from Li and Na; a second metal selected from Co, Ni, Mn, Fe, Cr, V, Cu, Ti, Zn, Zr, Nb, Mo, Ru and Sn; an ionic species selected from phosphate ion, sulfate ion, borate ion, silicate ion, aluminate ion, germanate ion, nitrate ion, carbonate ion and halide ion; and an oxygen atom (except for the oxygen atom constituting the ionic species); (ii) contains at least an amorphous phase; and (iii) is a production material of a positive electrode with a thickness of 20 ?m or more.

Abstract: A method for activating a battery cell. The battery cell includes a positive electrode coated with a nickel cobalt manganese (NCM) positive electrode material, into which lithium nickel oxide (LNO) has been added or mixed. The method includes a step of charging the battery cell; and a step of discharging the battery cell, when, in the step of charging the battery cell, the battery cell is charged under a charging condition of C-rate of 0.1 C to 0.5 C in a state of being heated at a temperature of 45° C. to 60° C. When the activation process is performed according to the present invention having the above-described configuration, the pressing/heating conditions for suppressing generation of a gas may be provided to prevent swelling, battery deformation, and performance deterioration due to the generation of the gas from occurring.

Abstract: A battery includes an electrode body having a positive electrode and a negative electrode, in which the positive electrode and the negative electrode are wound; and an exterior material that accommodates the electrode body, in which at least one of the positive electrode and the negative electrode is divided into two or more electrodes adjacent in a winding direction, the two or more of electrodes each have a current collecting lead, and the current collecting leads are electrically connected to each other at a position outside the exterior material.

Abstract: A charging and discharging apparatus for performing an activation process of a secondary battery including a plurality of compression plates spaced apart from each other by a predetermined distance to form a cell insert space into which a secondary battery cell is inserted, the plurality of compression plates moving to reduce the separated distance to press a body of the secondary battery cell; a slip sheet having a sheet shape and formed to include attachment portions attached to top ends of the compression plates and a folding portion formed by folding a region between the attachment portions to be interposed in the cell insert space; and a slip sheet fixing unit provided to be attached to and detached from the top end of the compression plate in a fitting and releasing manner in a state where the attachment portions of the slip sheet are interposed therein is provided.

Abstract: Provided herein are nanostructured electrode separators comprising metal organic materials capable of attaching to one or more electrodes and electrically insulating at least one electrode while allowing migration of ionic charge carriers through the nanostructured electrode separator. Methods of using such electrode separators include positioning a nanostructured electrode separator between two electrodes of an electrochemical cell.

Abstract: A fuel cell system includes first and second fuel cells each generating electric power using fuel gas and oxidant gas, first and second fuel gas supply devices supplying the fuel gas, first and second circulation paths circulating the discharged fuel gas to the first and second fuel cells, a communication path communicated with the first and second circulation paths, an opening/closing device causing the first and second circulation path to be communicated or to be disconnected by opening/closing the communication path, and a controller configured to determine whether there is a possibility of flooding, and when determining that there is the possibility of flooding, suspend power generation of one of the first and second fuel cells while maintaining supply of the fuel gas, and cause the opening/closing device to make the first and second circulation paths be communicated with each other.

Abstract: A flow battery having a first tank for an anode electrolyte, a second tank for a cathode electrolyte, respective hydraulic circuits provided with corresponding pumps for supplying electrolytes to specific planar cells, provided with channels at the two mutually opposite faces for the independent conveyance of the electrolyte, mutually separated by a membrane-electrode assembly, the planar cells are provided with a drain channel, all the planar cells constituting a laminar pack, at least one end plate of the laminar pack there being aligned to an end plate provided with at least one drain hole connected to the respective electrolyte tank.

Abstract: Systems, methods, fuel cells, and mixtures to inhibit ionomer permeation into porous substrates using a crosslinked ionomer are described. A method includes preparing an ionomer premix, mixing a crosslinking additive with the ionomer premix to thereby form a crosslinked-ionomer solution, and adding catalyst particles to the crosslinked-ionomer solution to produce a catalyst ink. The ionomer premix includes an ionomer dispersed within a solvent. The catalyst ink includes the catalyst particles distributed homogenously therethrough. The catalyst ink may be cast onto a porous substrate and dried to thereby form a catalyst layer for use in a fuel cell.

Abstract: A cell-tab-cooling type battery may include a plurality of battery cells respectively including tabs for electrical connection from each other, the respective tabs of the plurality of battery cells being aligned in one direction thereof; a plurality of bus bars connected in common to the tabs of the battery cells adjacent to each other among the plurality of battery cells to form an electrical connection between the battery cells; and a plurality of cooling capsules respectively including a coolant and being respectively bonded on the plurality of bus bars.

Abstract: Provided is a catalyst which does not corrode at high potentials or in acidic electrolytes of fuel cells, is stable, effectively participates in electrode reactions not only in a three-phase interface of a gas phase (humidified reaction gas) and a liquid phase formed in catalyst particles present on the surface in contact with an electrolyte membrane but also in a three-phase interface in catalyst particles in a catalyst layer present at positions away from the electrolyte membrane, has a high utilization efficiency of catalyst particles, has a high oxygen reduction ability, provides high characteristics, and is inexpensive compared to platinum. A fuel cell thus obtained has high characteristics and a long life, and is relatively inexpensive and excellent in economic efficiency.

Abstract: An apparatus and method for battery temperature control, the apparatus including a cooling plate, a first transporter selectively moving the cooling plate along a first axis, and a controller operably coupled to the first transporter and selectively outputting a control signal to the first transporter for commanding the first transporter to move the cooling plate to a first location or a second location. The cooling plate comes into contact with an outer surface of the battery by a preset maximum area at the first location, and the cooling plate comes into contact with the outer surface by an area smaller than the maximum area or is separated from the outer surface at the second location.

Abstract: Disclosed are a connector and a battery module. A connector according to an aspect of the present disclosure is a connector configured to electrically interconnect electrode leads of neighboring battery cells.

Abstract: A lithium-air battery is provided, which includes a cathode having a gas diffusion layer containing a solid electronically conductive material coated with carbon black, the gas diffusion layer being at least partially filled with gaseous air, a separator having an electronically nonconducting filter material arranged between the anode and the cathode, the filter material being at least partially impregnated with a liquid electrolyte, and an anode containing a material selected from lithium metal, material alloyable with lithium, metal oxide, and mixtures thereof. Methods for making such battery and the use of such battery in a motor vehicle are also provided.

Abstract: A sealing body closes an opening of an energy storage device including an exterior can having the opening. The sealing body includes a metal plate, a gas discharging valve that is integrally formed with the metal plate and that opens when the inner pressure of the energy storage device increases to a predetermined pressure, and a ceramic layer that is disposed on a surface of the metal plate, the surface being an inner surface of the energy storage device, and that is disposed around the gas discharging valve.

Abstract: A positive electrode active material for a non-aqueous electrolyte secondary battery is provided. The positive electrode active material includes a layer-structured, nickel-containing lithium transition metal complex oxide. The lithium transition metal complex oxide contains titanium and niobium in a chemical composition thereof, and has a ratio of a total number of moles of titanium and niobium relative to a total number of moles of metals excluding lithium in the chemical composition of 0.04 or less.