Abstract: A method for making a lithium-ion cell includes depositing an electrode material as a coating on a substrate of the lithium-ion cell, irradiating the deposited electrode material with microwave radiation of varying frequency, wetting the irradiated electrode material with a non-aqueous electrolyte solution, and sealing the wetted electrode material in an air-tight enclosure.

Abstract: A temperature control device for a battery may include a fluid duct being flowable at least one of through and around by a fluid. The fluid duct may be delimited by at least one duct wall composed of an electrically conductive material. An outer side of the duct wall facing away from the fluid may include at least one electrically insulating insulation layer disposed thereon via at least one of a screen printing process and a stencil printing process. The at least one insulation layer may be composed of a plastic material.

Abstract: Provided is a negative electrode material that is suitable for use in a negative electrode of a lithium ion secondary battery having high capacity and excellent cycle characteristics. Also provided are a negative electrode and a lithium ion secondary battery using the same. The negative electrode material for lithium ion secondary battery comprises a particle that contains silicon and is capable of storing and releasing a lithium ion and that is characterized, in a volume-based distribution as measured with a laser diffraction particle size distribution meter, by (mode diameter—D50)/D50=0.13 or greater and (D90—mode diameter)/D90=0.28 or less, where the mode diameter is the most frequent value in the distribution, D50 is the diameter at 50% accumulation and D90 is the diameter at 90% accumulation.

Abstract: This invention, in some variations, provides a separator for a lithium-sulfur battery, comprising a porous substrate that is permeable to lithium ions; and a lithium-ion-conducting metal oxide layer on the substrate, wherein the metal oxide layer includes deposits of sulfur that are intentionally introduced prior to battery operation. The deposits of sulfur may be derived from treatment of the metal oxide layer with one or more sulfur-containing precursors (e.g., lithium polysulfides) prior to operation of the lithium-sulfur battery. Other variations provide a method of charging a lithium-sulfur battery that includes the disclosed separator, the charging being accomplished by continuously applying a substantially constant voltage to the lithium-sulfur battery until the battery charging current is at or below a selected current.

Abstract: An assembled battery reusing system for reusing an assembled battery including a plurality of single cells is provided. The rebuild candidate determining unit (430) determines based on the information about the assembled battery whether a retrieved assembled battery is a rebuild candidate, and the information is acquired by the assembled battery information acquisition unit (i.e. communication unit) (420). The single cell amount determining unit (440) determines an amount of rebuilding-usable single cells included in the rebuild-candidate assembled battery determined by the rebuild candidate determining unit (430). The assembled battery demand information acquisition unit (460) acquires an amount of rebuilding-required single cells required to rebuild a required new assembled battery.

Abstract: The present invention describes an electrode material based on carbon foam impregnated with particulate carbon, and a method for preparing the electrode material. The electrode material may be used as a cathode active material in a metal-air/metal-oxygen battery, such as a lithium-air, sodium-air, magnesium-air, zinc-air, tin-air or silicon-air battery.

Abstract: A heater includes a heater housing extending along a heater axis; a fuel cell stack assembly disposed within the heater housing and having a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent; a first medium conduit fixed relative to the heater housing and in fluid communication with the fuel cell stack assembly, the first medium conduit including a first medium conduit shelf extending laterally from the first medium conduit; a second medium conduit fixed relative to the heater housing and in fluid communication with the fuel cell stack assembly, the second medium conduit including a second medium conduit shelf extending laterally from the second medium conduit; wherein the fuel cell stack assembly is supported on the first medium conduit shelf and the second medium conduit shelf.

Abstract: In a battery pack having one or more battery modules, each battery module includes a plurality of cylindrical batteries, and a battery holder for holding the plurality of cylindrical batteries and forming a space between itself and an adjacent member, the space being at least partially open to the outside and the battery pack further includes a heater mounted in the space, for heating the plurality of cylindrical batteries via the battery holder, and an elastic member for urging the heater onto the battery holder, and closing an opening of the space to thereby form a first space closed from the outside.

Abstract: The invention relates to an electrode coil for a galvanic element, comprising a first electrode (4), a second electrode (6), a separator, and a reference electrode (8). The first electrode (4) and the second electrode (6) are insulated from each other by the separator, and the reference electrode (8) is arranged between the first electrode (4) and the second electrode (6) and is adhered to the first electrode (4) or to the second electrode (6). The invention further relates to a galvanic element comprising such an electrode coil and to a method for producing such an electrode coil.

Abstract: The present invention provides an electrolyte for electrochemical device and the electrochemical device thereof. The electrolyte comprises 9.95˜19.95 wt % of a salt; 80.0˜90.0 wt % of a non-aqueous solvent; 0.05˜10.00 wt % of an additive comprising a compound represented by below formula (I) or (II): wherein X1, R1, and R4˜R10 is defined as herein. Besides, the present invention also provides a method for enhancing cycle life of electrochemical device which accomplished by adding said additive to an electrolyte of electrochemical device.

Abstract: Capsules comprising crumpled graphene sheets that form a crumpled graphene shell encapsulating an internal cargo comprising nanostructures of a second component are provided. Also provided are anode materials for lithium ion batteries comprising the capsules, wherein the nanostructures are composed of an electrochemically active material, such as silicon.

Abstract: In one aspect of the present invention, a method of for synthesizing compression- and aggregation-resistant particles includes forming a graphene dispersion solution with micron-sized graphene-based material sheets, nebulizing the graphene dispersion solution to form aerosol droplets, passing the aerosol droplets through a horizontal tube furnace pre-heated at a predetermined temperature by a carrier gas, and drying the aerosol droplets to concentrate and compress the micron-sized graphene-based material sheets into crumpled particles of sub-micron scale.

Abstract: A redox flow battery including: a cathode cell including a cathode, a catholyte, and a bipolar plate; an anode cell including an anode, an anolyte, and a bipolar plate; and an ion exchange membrane interposed between the cathode cell and the anode cell, wherein at least one of the cathode and the anode comprises a carbon-coated metal foam, wherein the ion exchange membrane includes a porous substrate and a polymer disposed in pores of the porous substrate, wherein the polymer is a polymerization product of a composition for preparing an ion exchange membrane, and wherein the composition for preparing an ion exchange membrane includes a first aromatic vinyl monomer including a halogenated alkyl group or a quaternary ammonium group, and wherein the bipolar plate includes Ni, Cu, Fe, Cr, Al, W, Ti, or a mixture thereof, or an alloy thereof.

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same.

Abstract: Provided is a battery pack with the heat buildup associated with battery damage can be reduced while increasing the battery capacity. This invention provides a battery pack having an array of power-generating elements comprising rechargeable single batteries. Each single battery comprises a casing and an electrode body in the casing. In the electrode body, the outermost circumference of the negative electrode is outside the outermost circumference of the positive electrode. The power-generating element further comprises a protection plate placed along the outer surface of the single battery. The protection plate has a metal layer and an insulating layer. The metal layer has first and second surfaces on the single battery side and on the side opposite from the first surface, respectively. The insulating layer is placed on the second surface side of the metal layer. The metal layer is electrically connected to the positive electrode with a given positive potential.

Abstract: A battery system of a vehicle includes a battery, a battery tray configured to support the battery, and a battery pouch. The pouch has a plurality of side walls and a bottom defining a space sized to accommodate the battery. The side walls each include an absorbent layer containing a base, such as sodium bicarbonate, and an outer layer impervious to the electrolyte and the base. One of the side walls is a front side wall that includes a wedge that is configured to mate with a front of the battery and the tray. The wedge cooperates with a bottom lip of the battery to secure the battery to the tray.

Abstract: The invention concerns a method for manufacturing of an electrocatalyst comprising a porous carbon support material, a catalytic material in the form of at least one type of metal, and macrocyclic compounds chemically bound to the carbon support and capable of forming complexes with single metal ions of said metal or metals, said method comprising the steps of: i) providing a template capable of acting as pore structure directing agent during formation of a highly porous electrically conducting templated carbon substrate, ii) mixing the template with one or several precursor substances of the catalytic material, the macrocyclic compounds and carbon, iii) exposing the mixture of the template and the precursor substances to a carbonization process during which the precursors react and transform the mixture into a carbonized template composite in which the carbon part of the composite is chemically bound to macrocyclic compounds present in complexes with the metal or metals.

Abstract: A battery assembly has excellent performance for sensing temperature by a temperature sensing element. The battery assembly includes a bus bar for electrically connecting the battery or cell units to each other by connecting electrode members provided with the battery or cell unit. The battery assembly further includes a bus bar extension portion extended from the bus bar. The bus-bar extension portion is disposed out of the area between the adjacent electrode members and provided with a temperature sensing or detection element that detects the temperature of the battery or cell unit.

Abstract: A titanium or titanium alloy material for a separator of a polymer electrolyte fuel cell having high contact conductivity with carbon and high durability, and including an oxide film formed on a titanium or titanium alloy substrate by a stabilization treatment performed after a passivation treatment, and one or more kinds of conductive materials selected from carbide, nitride, carbonitride, and boride of tantalum, titanium, vanadium, zirconium, and chromium, the conductive materials being dispersed in the oxide film and having a major axis diameter of from 1 nm to 100 nm. A contact resistance value with a carbon paper is 20 m?·cm2 or less at a surface pressure of 10 kgf/cm2 before and after an accelerated deterioration test in which the titanium or titanium alloy material is immersed in a sulfuric acid aqueous solution having an adjusted pH of 4 at 80° C. for four days.

Abstract: A non-catalytic hydrogen generation process is provided that supplies hydrogen to a hydrodesulfurization unit and a solid oxide fuel cell system combination, suitable for auxiliary power unit application. The non-catalytic nature of the process enables use of sulfur containing feedstock for generating hydrogen which is needed to process the sulfur containing feed to specifications suitable for the solid oxide fuel cell. Also, the non-catalytic nature of the process with fast dynamic characteristics is specifically applicable for startup and shutdown purposes that are typically needed for mobile applications.