Abstract: A battery includes an electrolyte, a metal anode and a cathode. The metal anode includes a porous material disposed thereon to protect the metal anode. The porous material has a zeta potential with a magnitude of at least above 15 mV in the electrolyte. The porous material can include a cross-linked polymer having segments with polar functional groups. Examples of polar functional groups include, but are not limited to, those comprising one or more among O, N, P, S, and B.

Abstract: Provided are a method of manufacturing a solid electrolyte sheet including: heating a preformed body that is obtained by performing pre-pressure-forming on inorganic solid electrolyte particles containing solid particles plastically deformable at 250° C. or lower at a specific temperature or on inorganic solid electrolyte particles containing solid particles that have a thermal decomposition temperature of 250° C. or lower and that are plastically deformable at 250° C. or lower at a specific temperature and then performing pre-pressure-forming at a specific temperature to form a solid electrolyte layer consisting of inorganic solid electrolyte particles, a method of manufacturing a negative electrode sheet for an all-solid state secondary battery, and a method of manufacturing an all-solid state secondary battery, which include the method of manufacturing a solid electrolyte sheet.

Abstract: A method for forming a cathode includes milling a suspension of precursors via a micromedia mill to form a mixture of primary particles in the suspension. The precursors include one or more metal compounds. The method includes spray drying the suspension after the milling to form secondary particles. The secondary particles are agglomerations of the primary particles. The method also includes annealing the secondary particles to form a disordered rocksalt powder.

Abstract: A cathode includes a disordered rocksalt phase material and a coating layer disposed on a surface of the disordered rocksalt phase material. The coating layer may include one or more of an oxide, a phosphate, a phosphide, or a fluoride.

Abstract: A power supply system of a fuel cell using user authentication includes: a tagging device that receives user information of a user terminal; an identity authentication unit, which compares the user information inputted through the tagging device with previously stored authentication information and outputs a use authority signal when the user information matches the authentication information; a power module complete that produces electric power by a chemical reaction between hydrogen and oxygen; a battery that receives and is charged with electric power produced by the power module complete; an output terminal that is connected to the battery to output electric power stored in the battery; and an integrated body control unit that controls electric power to be outputted through the output terminal when the identity authentication unit outputs the use authority signal.

Abstract: Provided is a wiring component having a covering material which is made to be resistant to damages or displacements even when a large amount of electricity is conducted. A wiring component of the present disclosure is a wiring component including an electrically conductive member having an extension length of 450 mm or more, and a covering member covering the electrically conductive member, wherein the covering member contains a polyphenylene ether resin composition, and has a secondary shrinkage A (%) in an extension length direction of the covering member after being subjected to thermal aging at 130° C. for 24 hours satisfying: A<12.5×e?0.92t (in the expression, t represents a thickness (in mm)).

Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.

Abstract: To provide a fuel cell system configured to prevent the freezing of the gas and water discharge valve of the fuel gas system even at high altitude. A fuel cell system for air vehicles, wherein the fuel cell system comprises: a fuel cell, a fuel gas system for supplying fuel gas to the fuel cell, a cooling system for controlling a temperature of the fuel cell, an altitude sensor, a temperature sensor, and a controller, and wherein, when the controller detects an altitude increase measured by the altitude sensor, and when a temperature of the gas and water discharge valve measured by the temperature sensor is less than a predetermined temperature, the controller increases a temperature of the refrigerant by controlling the three-way valve to circulate the refrigerant in the heating flow path and operating the circulation pump and the water heater to heat the refrigerant.

Abstract: An electrochemical cell unit according to the present disclosure includes a flat plate type membrane electrode assembly having a structure in which an electrolyte membrane, a first electrode layer disposed on a first surface of the electrolyte membrane, and a second electrode layer disposed on a second surface of the electrolyte membrane are laminated; a first current collector in contact with the first electrode layer of the membrane electrode assembly; an interconnector electrically connected to the first current collector, a second current collector in contact with the second electrode layer of the membrane electrode assembly; and an outer peripheral part made of a metal material that surrounds an outer periphery of the first electrode layer together with the interconnector and the electrolyte membrane to form a gas introduction space for guiding internal gas to the first electrode layer.

Abstract: The present disclosure relates to a separator plate for an electrochemical system, wherein the separator plate has, at least in some regions, periodic surface structures with a mean spatial period of less than 10 ?m. The disclosure additionally relates to a method for producing a separator plate for an electrochemical system, comprising the steps: providing a separator plate; irradiating the separator plate by means of a pulsed laser, wherein a pulse duration of the laser pulses is less than 1 ns; and creating periodic surface structures on the separator plate by way of the laser radiation.

Abstract: An example battery swap system may include a battery transport. The battery transport may include a support frame, a connector coupled to the support frame and configured to connect to a powered vehicle for moving the battery transport, and a battery carriage movably coupled to the support frame and configured to horizontally carry a battery from a transport supported position to a tractor received position.

Abstract: The present invention relates to a composite of a cobalt-based perovskite material with a negative thermal expansion material, and a preparation method of the same, and a solid oxide fuel cell (SOFC) comprising the same, and belongs to the technical field of fuel cells. In the present invention, a negative thermal expansion material is introduced into a cobalt-based perovskite oxide to successfully prepare an SOFC cathode material with excellent electrochemical performance and low thermal expansivity. The composite electrode achieves prominent mechanical tolerance in SOFC, which can moderate a volume change during the whole calcination process and enable a smooth transition to a high-temperature stage. The composite electrode has a thermal expansion coefficient (TEC) only of 12.9×10?6 K?1, which is perfectly matched with that of an SDC electrolyte. In addition, the composite shows excellent oxygen reduction reaction (ORR) activity, high TEC, and extremely-excellent anti-CO2 poisoning performance.

Abstract: A main object of the present disclosure is to provide an active material of which capacity properties are excellent. The present disclosure achieves the object by providing an active material to be used for a fluoride ion battery, the active material comprising: a composition represented by M1Nx in which M1 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05?x?3; or a composition represented by M2LnyNz in which M2 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one kind of Sc, Y, and lanthanoid, y satisfies 0.1?y?3, and z satisfies 0.15?z?6.

Abstract: Disclosed is a membrane-electrode assembly which can prevent the corrosion of a carbon-based carrier caused by reducing and/or stopping the supply of hydrogen gas, as well as platinum loss caused by such corrosion, without degrading the performance of a fuel cell, and thus can improve the reverse voltage durability of the fuel cell. Also disclosed are a method for manufacturing the membrane-electrode assembly, and a fuel cell including the membrane-electrode assembly. The membrane-electrode assembly according to the present invention includes: an electrolyte membrane having a first surface and a second surface opposite the first surface; an anode on the first surface; an OER catalyst layer on the first surface; and a cathode on the second surface, wherein the OER catalyst layer includes a catalyst for an oxygen-generating reaction, and at least a portion of the OER catalyst layer is disposed on the same layer as the anode.

Abstract: A separator includes a base including projections. The base is made of a metal plate. The separator includes a conductive layer arranged on a top surface of each of the projections of the base. The conductive layer includes conductive carbon materials, conductive particles, and a thermosetting resin. The conductive carbon materials and the conductive particles are dispersed in the resin and are in contact with each other over an entirety of the conductive layer in a thickness direction of the conductive layer.

Abstract: Provided is a lithium secondary battery including a silicon-based anode active material for a lithium secondary battery and an anode formed using the same. The silicon-based anode active material for a lithium secondary battery according to exemplary embodiments includes a surface coated with carbon and doped with lithium. A ratio of a peak area at 102.5 eV to a total area of a peak area at 100 eV, the peak area at 102.5 eV, and a peak area at 104 eV, which appear in an Si2p spectrum when measuring by X-ray photoelectron spectroscopy (XPS), is 40% or less, thereby allowing an electrode to be stably manufactured without changing physical properties of the slurry during manufacturing the electrode. In addition, the anode active material for a secondary battery may be usefully used to manufacture a lithium secondary battery having high discharge capacity and high energy density characteristics.

Abstract: An all-solid-state battery system having a solid-state electrolyte composite is provided. The solid-state electrolyte composite includes a porous framework providing support and mechanical strength for the solid-state electrolyte composite and a plurality of ionic conductors filling voids of the porous framework for maximizing ionic conductance of the solid-state electrolyte composite. The porous framework may be made of ultra-high-molecular-weight polyethylene (UHMWPE) polymers and the plurality of ionic conductors may be made of poly(ethylene oxide)-LiN(SO2CF3)2 (PEO-LiTFSI) polymers. The all-solid-state battery system includes battery cells each including a cathode current collector, a cathode disposed beneath and connected to the cathode current collector, the solid-state electrolyte composite disposed beneath and connected to the cathode, an anode disposed beneath and connected to the solid-state electrolyte composite, and an anode current collector disposed beneath and connected to the anode.

Abstract: An electrolyte sheet for solid oxide fuel cells that includes a ceramic plate body having a warpage height of not more than 300 ?m, wherein a maximum value among values of 100×Q/LX, 100×R/LY, and 100×S/LX is not greater than 1, where Q is a maximum difference between a second side D2 and a second virtual straight line V2 in an X coordinate, R is a maximum difference between a third side D3 and a third virtual straight line V3 in a Y coordinate, S is a maximum difference between a fourth side D4 and a fourth virtual straight line V4 in the X coordinate, LX is a length of a virtual rectangle in an X-axis direction, and LY is a length of the virtual rectangle in a Y-axis direction.

Abstract: A catalytic arrangement for an electrolyzer system or a fuel cell system includes a catalyst support unit and a catalyst layer, wherein the catalyst layer has a carbon matrix with a metal, non-metal and/or metalloid doping.

Abstract: Systems and methods for operating a datacenter are disclosed. In at least one embodiment, a power delivery system includes one or more fuel cells to provide a source of electrical power for a datacenter, where waste heat produced by a fuel cell is to be captured and provided to an absorption chiller to produce a cooled liquid for use in a cooling system for this datacenter.