Abstract: A humidifier comprises at least one humidifier module, which has a membrane permeable to water vapor and respectively on both sides of the membrane, a flow field frame with at least two walls defining a flow channel. A thermal bridge with an increased thermal conductivity compared to the membrane protrudes through the membrane. A fuel cell device comprises such a humidifier and a motor vehicle includes a fuel cell device comprising such a humidifier.

Abstract: Disclosed herein is a lithium ion battery which operates stably at high temperatures. The battery disclosed herein has a chemical composition amenable to long-term operation at elevated temperatures and employs a lithium-based cathode, a silicon-based anode, and a piperidinium-based electrolyte solution.

Abstract: Implementations described herein generally relate to metal electrodes, more specifically lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same. In one implementation, an anode electrode structure is provided. The anode electrode structure comprises a current collector comprising copper. The anode electrode structure further comprises a lithium metal film formed on the current collector. The anode electrode structure further comprises a solid electrolyte interface (SEI) film stack formed on the lithium metal film. The SEI film stack comprises a chalcogenide film formed on the lithium metal film. In one implementation, the SEI film stack further comprises a lithium oxide film formed on the chalcogenide film. In one implementation, the SEI film stack further comprises a lithium carbonate film formed on the lithium oxide film.

Abstract: A method of making a semiconductor device is provided. The method includes forming a photoresist material over a substrate, the photoresist material having a polymer that includes a backbone having a segment and a linking group, the segment including a carbon chain and an ultraviolet (UV) curable group, the UV curable group coupled to the carbon chain and to the linking group; performing a first exposure process that breaks the backbone of the polymer via decoupling the linking group from the connected UV curable group of each segment; performing a second exposure process to form a patterned photoresist layer; and developing the patterned photoresist layer.

Abstract: A fuel cell system that includes: an ion exchanger that is provided at a circulation path and that restores insulation resistance of a coolant; a detector that is provided at the circulation path at a downstream side of a radiator in a circulation direction of the coolant and that detects conductivity of the coolant; and a controller that is electrically connected to the detector and a pump and that controls driving of at least the pump. In a state in which the pump is stopped and in a case in which the insulation resistance of the coolant, which is obtained from the conductivity of the coolant that has been detected by the detector, becomes equal to or less than a specific value, the controller starts the driving of the pump such that the coolant passes through the ion exchanger.

Abstract: A nickel (Ni)-based active material for a lithium secondary battery, a preparing method thereof, and a lithium secondary battery including a positive electrode including the same. The Ni-based active material includes a secondary particle including a plurality of particulate structures, wherein each of the particulate structures includes a porous core portion and a shell portion including primary particles radially arranged on the porous core portion, and lithium phosphate is in the porous core portion, between the plurality of primary particles, and on the surface of the secondary particle. The Ni-based active material includes a porous inner portion including the porous core portion; and an outer portion comprising the the shell portion, and the Ni-based active material includes the porous inner portion having closed pores and the outer portion, wherein the porous inner portion has a density less than that of the outer portion, and the Ni-based active material has a net density of 4.7 g/cc or less.

Abstract: The present disclosure provides methods for forming flow plate and frame assemblies that comprise an anode frame member, a flow plate, and a cathode frame member with the flow plate retained between the anode and cathode frame members. The present disclosure also provides for flow plate and frame assemblies, fuel cell stacks containing a plurality of the flow plate and frame assemblies, and fuel cell systems containing the fuel cell stacks. A fluidly connected anode fluid pathway can be provided from an anode fluid inlet, through conduits in the anode frame member, onto an anode surface of the flow plate, and into anode flow channels.

Abstract: A method for manufacturing a membrane assembly for a fuel cell, which membrane assembly includes a membrane with a catalyst layer and a frame arranged on the same side of the membrane and a gap between the catalyst layer and the frame. To allow an easy and cost-effective way for manufacturing such a membrane assembly, the manufacturing method may include the following steps: positioning a first decal layer, which is made of the same material as the first catalyst layer, on the first side of the membrane in a way that the first decal layer overlaps the frame, positioning a second decal layer, which is made of the same material as the second catalyst layer, on the second side of the membrane, pressing the first decal layer and the second decal layer against each other with the membrane and the frame positioned in-between.

Abstract: An anode catalyst layer for a fuel cell according to the present invention includes: electrode catalyst particles; a carbon carrier carrying the electrode catalyst particles; water electrolysis catalyst particles; a proton-conductive binder; and a graphitized carbon, wherein the content of graphitized carbon in the anode catalyst layer for a fuel cell is 15-70 volume % with respect to the total volume of the electrode catalyst particles, the carbon carrier, and the graphitized carbon.

Abstract: A method for the start preparation of a fuel cell system in a vehicle having a fuel cell and a system bypass where an air flow is conveyed by parts of the fuel cell system in order to dry the fuel cell. In a first temporal phase of the method, a larger part of the air flow is led through the fuel cell and a smaller part of the air flow is led through the system bypass, after which, in a second temporal phase, a larger part of the air flow is led through the system bypass and a smaller part of the air flow is led through the fuel cell.

Abstract: A nanoparticle and a method for fabricating the nanoparticle utilize a decomposable material yoke located within permeable organic polymer material shell and separated from the permeable organic polymer material shell by a void space. When the decomposable material yoke comprises a sulfur material and the permeable organic polymer material shell comprises a material permeable to both a sulfur material vapor and a lithium ion within a battery electrolyte the nanoparticle may be used within an electrode for a Li/S battery absent the negative effects of battery electrode materials expansion.

Abstract: A fuel cell apparatus is provided to improve air transfer performance in a fuel cell and disperse a load acting on a gas diffusion layer to improve durability. A flat contact portion is secured with respect to the gas diffusion portion to prevent the gas diffusion layer from being damaged and deformed.

Abstract: The present invention provides a battery module comprising: a plurality of battery cells of which the horizontal length of a front surface is formed to be longer than the vertical length and which are vertically stacked; a cooling fin which has a first cooling part contacting an upper and lower surface of adjacent battery cells, and a second cooling part extending from both side surfaces of the first cooling part and contacting both side surfaces of the battery cells which are in contact with the first cooling part; and a side cooling fin which has an ground part contacting a side surface of the second cooling part of the cooling fin, and contacting a heat sink located in a lower part.

Abstract: A testing device for a fuel cell stack has multiple fuel cells which are stacked along a stack axis with each having media openings in the form of through-holes. Corresponding media openings align to form media lines when in the stacked state. The testing device has a rod which can be introduced into a media line, and at least one sealing element which is arranged on the rod to seal off the media line and to isolate at least one fuel cell of the fuel cell stack from the other fuel cells, and/or at least one contact element which can be introduced with the rod to make electrical contact with an individual fuel cell inside the media line.

Abstract: A separator which is permeable to hydroxide ion, and which contains at least one Dendrite Stopping Substance such as Ni(OH)2, or its precursor.

Abstract: An interconnected corrugated carbon-based network comprising a plurality of expanded and interconnected carbon layers is disclosed. In one embodiment, each of the expanded and interconnected carbon layers is made up of at least one corrugated carbon sheet that is one atom thick. In another embodiment, each of the expanded and interconnected carbon layers is made up of a plurality of corrugated carbon sheets that are each one atom thick. The interconnected corrugated carbon-based network is characterized by a high surface area with highly tunable electrical conductivity and electrochemical properties.

Abstract: Provided is an anode for a lithium battery or sodium battery, the anode comprising multiple porous graphene balls and multiple particles or coating of a lithium-attracting metal or sodium-attracting metal at a graphene ball-to-metal volume ratio from 5/95 to 95/5, wherein the porous graphene ball comprises a plurality of graphene sheets forming into the ball having a diameter from 100 nm to 20 ?m and a pore or multiple pores having a pore volume fraction from 10% to 99.9% based on the total graphene ball volume, and wherein the particles or coating of lithium-attracting metal or sodium-attracting metal, having a diameter or thickness from 1 nm to 20 ?m, are selected from Au, Ag, Mg, Zn, Ti, K, Al, Fe, Mn, Co, Ni, Sn, V, Cr, an alloy thereof, or a combination thereof.

Abstract: Provided herein are products and methods for making structures having a body defined by a carbon nanotube (CNT) pulp network having a long-range connectivity exceeding a percolation threshold of the structure to permit electron transport throughout the structure, an active material dispersed within the body, and a binder material binding the active material to the CNT pulp network within the body.

Abstract: Methods and compositions for depolymerizing the polymer component of fiber reinforced polymers to facilitate the recovery of free fibers.

Abstract: A cathode includes: a cathode active material comprising a lithium transition metal oxide; a conductive material; and a binder, wherein the lithium transition metal oxide includes nickel and a transition metal other than nickel, wherein the lithium transition metal oxide has a layered crystal structure, wherein a content of the nickel is 30 mole percent or greater, based on a total number of moles of transition metals of the lithium transition metal oxide, wherein the conductive material comprises a linear carbon conductive material, wherein the binder includes a first binder, wherein the first binder including fluorine and a polar functional group, and a second binder, which does not include fluorine, and wherein an amount of the linear carbon conductive material is 0.1 weight percent or greater, based on a total combined weight of the cathode active material, the conductive material, and the binder.