Abstract: The present disclosure provides a battery module comprising a plurality of mono-batteries arranged side by side; two end plates positioned at two opposite ends respectively; two side plates positioned at a front side and a rear side respectively and securely connected to the two end plates; a bottom plate positioned under the plurality of mono-batteries and securely connected to the two end plates and the two side plates; a plurality of insulating spacers provided on each side plate, each insulating spacer extends in an up-down direction, and the two adjacent insulating spacers on each side plate receive one side of one corresponding mono-battery in a front-rear direction; a plurality of insulating bonding materials, each insulating bonding material is provided between the two adjacent insulating spacers on each side plate, so as to bond one side surface of one corresponding mono-battery in the front-rear direction.

Abstract: A battery protection system comprises sleeves, carbon fibers, a case, and liquid. The sleeves are hollow for insertion of battery cells. The carbon fibers are disposed on outer surfaces of the sleeves. The case houses the sleeves and has an inner cavity. The liquid and the carbon fibers are disposed in the inner cavity, where the carbon fibers are exposed to the liquid.

Abstract: This battery pack is provided with a housing, a case, a battery cell, a sealing material and a spacer. The case includes a lid member fixed to the housing so as to close a through-hole in the housing. The lid member is bolted to a through-hole peripheral part of the housing. When the internal pressure of the case rises, part of the lid member deforms in a direction away from the through-hole peripheral part, releasing the internal pressure of the case. The battery cell is accommodated inside of the case. The sealing material is arranged between the lid member and the through-hole peripheral part so as to ensure the air-tightness of the case. The spacer is arranged between the lid member and the through-hole peripheral part so as to maintain the interval between the lid member and the through-hole peripheral part.

Abstract: A cutting method is disclosed for cutting a continuous separator sheet material in a cutting zone comprised between two non-rectangular electrodes using a laser arrangement of solid state type, executing on the material a first cutting line that is then intersected by a second cutting line at an intersection point located in an intermediate portion of the first cutting line, with an intersection direction that is perpendicular to the first cutting line at the intersection point.

Abstract: A method for manufacturing a separator of a fuel cell stack includes: forming a gasket on the separator of the fuel cell stack; masking a surface of the separator except for a region of the surface of the separator on which the gasket is formed; and inserting the partially masked separator into a chamber to cross-link the gasket.

Abstract: Provided is a lithium battery, wherein the battery comprises an anode, a cathode, wherein the cathode comprises one or more transition metals, an electrolyte, and a porous separator interposed between the cathode and anode, wherein the separator comprises an anionic compound. Also provided are methods of manufacturing such batteries.

Abstract: Provided are a heat-resistant synthetic resin microporous film having enhanced heat resistance while having reduced deterioration of mechanical strength, and a method for producing the same. Disclosed is a heat-resistant synthetic resin microporous film which includes a synthetic resin microporous film containing a synthetic resin; and a coating layer formed on at least a portion of the surface of the synthetic resin microporous film and containing a polymer of a polymerizable compound having a bifunctional or higher-functional radical polymerizable functional group, the heat-resistant synthetic resin microporous film having a surface aperture ratio of 30% to 55%, gas permeability of 50 sec/100 mL to 600 sec/100 mL, a maximum thermal shrinkage obtainable when the film is heated from 25° C. to 180° C. at a rate of temperature increase of 5° C./min, of 20% or less, and a piercing strength of 0.7 N or more.

Abstract: A heat-resistant separator contains a porous film, a polymeric fibrous layer adhesively bonded to the surface of the porous film, and an adhesive binder layer located between the porous film and the fibrous layer and covering at least a portion of the surface of the porous film. The fibrous layer contains fibers manufactured of a polyimide wherein the fibers of a form of polyimide comprise fibers with a majority of fibers having diameters in the range of 1-3000 nm. In one of the embodiment the binder layer contains sodium carboxymethylcellulose, and the amount of adhesive present between the porous film and the fibrous web in the final product is within the range of 0.30 grams per square meter of covered surface of porous film to 0.90 grams per square meter of covered surface of porous film.

Abstract: Provided is an energy storage apparatus where a spacer includes: a base disposed orthogonal to a first direction; a first restricting portion and a second restricting portion extending from an end portion of the base in a second direction orthogonal to the first direction; a first projecting portion projecting from the base and the first restricting portion; and a second projecting portion projecting from the base and the second restricting portion. The first projecting portion includes: a first portion extending in the second direction on one surface of the base; and a second portion extending to a distal end in the first restricting portion, and is continuously formed at least from an end portion of the first portion on a first-restricting-portion side to a distal end of the second portion.

Abstract: A connection unit of the present invention includes: a rail member extending in a direction where a plurality of storage elements is aligned; and a plurality of bus bar units each including an engagement portion movable along the rail member in the predetermined direction, and a bus bar fixed to electrode terminals of the storage elements adjacent to each other in the predetermined direction and connected to the engagement portion. The plurality of bus bar units engages with the rail member so as to be aligned in the predetermined direction, and the bus bar units adjacent to each other are provided so as to be movable independently along the predetermined direction. Entire assembly tolerance in the plurality of storage elements aligned in the predetermined direction can be absorbed (permitted) by adjusting distances between the independent bus bar units, thereby making it possible to easily assemble the plurality of bus bars.

Abstract: A connector for connecting cells of a battery unit is disclosed. The connector comprises a carrier having weld openings, a cover covering the weld openings, a contact disposed in the carrier, a film connector disposed along an edge of the carrier, and a film conductor disposed in the carrier and contacting the contact and the film connector.

Abstract: A battery assembly according to an exemplary aspect of the present disclosure includes, among other things, a terminal holder, a terminal at least partially surrounded by the terminal holder, and a bus bar module connectable to the terminal holder. One of the terminal holder and the bus bar module includes at least one locating feature to position the bus bar module in a welding position relative to the terminal.

Abstract: A battery module includes a housing and battery cells disposed in the housing, each of the battery cells including two terminals. The battery module also includes bus bar cell interconnects including a first material, where each bus bar cell interconnect is configured to electrically couple two adjacent battery cells via an electrical coupling with a first terminal of one of the adjacent battery cells and a second terminal of the other adjacent battery cell, where at least one of the first and second terminals includes the first material. The battery module includes welds, each weld being disposed at a corresponding welding point to directly couple one of the bus bar cell interconnects with the corresponding at least one terminal including the first material. Each welding point is accessible for welding from a position above the battery cells when the interconnects are disposed over the battery cells.

Abstract: The present description discloses a battery pack capable of being detachably attached to an apparatus including an apparatus terminal having a flat plate-like shape by sliding the battery pack in a sliding direction along the apparatus terminal. The battery pack includes a battery terminal capable of engaging with the apparatus terminal so as to be electrically connected therewith. The battery terminal includes a pair of elastic clamping pieces configured to receive the apparatus terminal when the battery pack is attached to the apparatus and to clamp the apparatus terminal from both sides of the apparatus terminal. In the battery pack, the pair of the elastic clamping pieces extends in a direction perpendicular to the sliding direction.

Abstract: The present invention relates to a switching device 1 for a battery 2, the switching device 1 being activated by an acoustic resonance effect to interrupt an electric line of the battery 2 to the outside. The present invention further relates to a battery 2 having an electrically activated power switch 21 for interruption of an electric line of the battery 2 to the outside and at least one such switching device 1, the power switch 21 and the switching device 1 being connected in series.

Abstract: A safety device (19) for a battery (12) being designed so that an electrical connector (18) can be connected to the positive (14) and negative (16) electrical terminals of the battery (12) in a first (A+, A?) or a second (B+, B?) connection position, the safety device (19) being adapted to be selectively positioned in a first or a second safety position so that only the desired connection positions are accessible to an electrical connector (18). A battery including the safety device or a set of such batteries and a method for making such a set of batteries safe.

Abstract: A casing has an interior space in which a battery can be fitted. The casing comprises a plurality of walls that encapsulate the interior space. A wall comprises an assembly of wall elements arranged as layers. This wall assembly includes a protective wall element comprising electrically conductive material, such as, for example, carbon fibers. The wall assembly further includes a set of electrically insulating wall elements located between the protective wall element and the interior space.

Abstract: A battery pack includes a casing having an inner surface and a battery module accommodated in the casing. The battery module includes a battery unit and two end plates. The battery unit includes battery cells that are arranged side by side. The end plates hold the battery unit in between. At least one of the end plates has a projection that projects further toward the inner surface of the casing than the battery unit.

Abstract: Provided herein are composites made up of open frameworks encapsulating sulfur, silicon and tin, and mechanochemical methods of producing such composites. Such open frameworks may include metal-organic frameworks (MOFs), including for example zeolitic imidazolate frameworks (ZIFs), and covalent organic frameworks (COFs). Such composites may be suitable for use as electrode materials, or more specifically for use in batteries. For example, sulfur composites may be used as cathode materials in Li-ion batteries; and silicon or tin composites may be used as anode materials in Li-ion batteries.

Abstract: A silicon-carbon composite. In order to improve the cycle stability of a lithium cell equipped therewith, the silicon-carbon composite is produced by a condensation reaction of silicon particles surface-modified with a first condensation-capable group and carbon particles surface-modified with a second condensation-capable group, the silicon particles being covalently bonded to the carbon particles via the condensation reaction product of the first condensation-capable group and the second condensation-capable group. In addition, a method for the production thereof and to an electrode, an electrode material, and a lithium cell is described.

Abstract: Active materials for anodes for lithium ion devices are disclosed. An active may comprise germanium nano-particles having a particle size of 20 to 100 nm, wherein the weight percentage of the germanium is between 72 to 96 weight % of the total weight of the active material; boron carbide nano-particles having a particle size of 20 to 100 nm, wherein the weight percentage of boron in the active material is between 3 to 6 weight % of the total weight of the active material; and tungsten carbide nano-particles having a particle size of 20 to 60 nm, wherein the weight percentage of tungsten in the active material is between 6 to 25 weight % of the total weight of the active material.

Abstract: An object of the present invention is to provide composite graphite particles for a nonaqueous secondary battery negative electrode, wherein metal particles capable of alloying with Li can be internally present with favorable dispersibility. The present invention relates to composite graphite particles for a nonaqueous secondary battery negative electrode containing graphite (A) and metal particles (B) capable of alloying with Li, wherein the degree of dispersion of the metal particles (B) in the composite graphite particles is 0.78 or more.

Abstract: Lithium transition metal cathode materials are functionalized with a stable free radical such as a nitroxide free radical. The stable free radical may be bonded directly to the cathode material or to a coating, such as a polymeric coating, on the surface of particles of the lithium transition metal cathode material. The functionalized cathode materials perform very well as lithium battery cathodes.

Abstract: Cycle characteristics of a nonaqueous secondary battery are to be improved. An active material including: a first active material that contains a nano silicon produced by heating a layered polysilane represented by a composition formula (SiH)n and having a structure in which multiple six-membered rings formed from silicon atoms are connected; and a second active material that contains a graphite, is used in a negative electrode. With this, expansion and contraction due to stress during charging and discharging can be mitigated, and thereby cycle characteristics improve.

Abstract: An object of the present invention is to provide a negative electrode active material capable of reducing the irreversible capacity of a lithium ion battery. The present invention provides a coated negative electrode active material for lithium ion batteries wherein at least a portion of the surface of a particulate negative electrode active material for lithium ion batteries is coated with a coating agent and the coated negative electrode active material is doped with at least one of lithium and lithium ions.

Abstract: Composite cathode materials are provided herein. Disclosed composite cathode materials include those comprising an aluminum borate coating. Systems making use of the cathode active materials are also described, such as electrochemical cells and electrodes for use in electrochemical cells. Methods for making and using the composite cathode materials are also disclosed.

Abstract: The specification relates to a composite particle for storing lithium. The composite particle is used in an electrochemical cell. The composite particle includes a metal oxide on the surface of the composite particle, a major dimension that is approximately less than or equal to 40 microns and a formula of MM?Z, wherein M is from the group of Si and Sn, M? is from a group of Mn, Mg, Al, Mo, Bronze, Be, Ti, Cu, Ce, Li, Fe, Ni, Zn, Co, Zr, K, and Na, and Z is from the group of O, Cl, P, C, S, H, and F.

Abstract: The present invention relates to a positive electrode active material including a lithium metal composite oxide having a layer crystal structure, and provides a novel positive electrode active material for a lithium secondary cell, which can suppress the reaction with an electrolyte solution and can raise the charge-discharge cycle ability of the cell, and can make good the output characteristics of the cell.

Abstract: To provide a means by which an electrical device such as a lithium ion secondary battery that has a positive electrode using a solid solution positive electrode active material can be provided with satisfactory performance in terms of rate characteristics while sufficiently making use of the high capacity characteristics that characterize solid solution positive electrode active materials.

Abstract: The object of the present invention is to improve the roundness of nickel-manganese composite hydroxide particles obtained by a crystallization process, and to improve the filling characteristic of cathode active material produced using the nickel-manganese composite hydroxide particles as a precursor. A reaction aqueous solution is formed by supplying a raw material aqueous solution including at least Ni and Mn, an aqueous solution including an ammonium-ion donor, and an alkali solution into a reaction tank, and mixing, then nickel-manganese composite hydroxide particles are crystallized. When doing this, the oxygen concentration inside the reaction tank is controlled to be 3.0% by volume or greater, the temperature of the reaction aqueous solution is controlled to be 35° C. to 60° C., and the nickel-ion concentration is controlled to be 1,000 mg/L or greater.

Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries is provided with which increased DCR after cycling can be controlled. A positive electrode active material according to an aspect of the present invention is secondary particles of a lithium transition metal oxide formed through the aggregation of primary particles of the oxide, the lithium transition metal oxide containing at least Ni. Secondary particles of a rare earth compound formed through the aggregation of particles of the rare earth compound are adhering to depressions each created between adjacent two of the primary particles on the surfaces of the secondary particles. The secondary particles of the rare earth compound are adhering to both of the two adjacent primary particles at the depressions.

Abstract: The cycle characteristics of nonaqueous electrolyte secondary batteries are improved. A negative electrode for nonaqueous electrolyte secondary batteries includes a negative electrode mixture layer on a negative electrode collector. The negative electrode mixture layer contains SiOX (0.5?X?1.5) particles and graphite particles, and the SiOX particles are covered with a cellulose-containing material. The negative electrode mixture layer contains a thickener and a binder, and the thickener contains at least one of a carboxyalkyl cellulose, a hydroxyalkyl cellulose, and an alkoxycellulose each having a degree of etherification of 0.8 or more.

Abstract: A gas diffusion electrode substrate that, is used in a fuel cell and is constituted by an electrode substrate and microporous parts, in which a microporous part (A) is formed on one surface of the electrode substrate, and a microporous part (B) is formed in a part, of the inside of the electrode substrate, the gas diffusion electrode substrate having a part in which the microporous part (B) is continuously present from the electrode substrate surface on the side on which the microporous part (A) is formed to a position near the electrode substrate surf ace on the opposite side, and a part in which pores are continuously distributed front the electrode substrate surface on the side on which the microporous part (A) is formed to the electrode substrate surface on the opposite side.

Abstract: A method for producing a membrane electrode assembly includes: a first step of disposing a transfer member including a gasket layer on an upper surface of a support base material; a second step of forming an electrode catalyst layer by coating an ink onto a portion of the upper surface of the support base material, exposed from the transfer member to form a layered body having the support base material, the transfer member, and the electrode catalyst layer; and a third step of pressing the layered body against a polymer electrolyte membrane having a contact surface to compression bond the gasket layer and the electrode catalyst layer to the contact surface.

Abstract: The invention is related to a metal-air current source and to its cathode. The cathode includes a base made of porous current-conducting material, permeable for molecular oxygen, to whose operating surface is applied a polymer complex compound of transition metal with the Schiff base, having a stack structure, in which the separate fragments of the said polymer compound are connected to each other through the donor-acceptor interaction, for example the compound of poly-[M(R, R?-Salen)], poly-[M(R, R?-Saltmen)] or poly-[M(R, R?-Salphen)] type.

Abstract: The present invention relates to the electrochemical behaviour of carbon involving the use of a half cell set-up and solid sacrificial anode. The electrochemical oxidation of a selectively-contaminated graphite electrode has been assessed; the contaminants included anatase, alumina, pyrite, quartz, kaolin and montmorillonite. From the systematic introduction of these contaminants it was discovered that clay materials, such as kaolin and montmorillonite act catalytically to increase the rate of graphite oxidation. This demonstrates a clear effect of the solid phase interaction of contaminants upon the electrochemical oxidation of graphite; the same effect was not observed when the contaminants were added instead to the molten carbonate electrolyte.

Abstract: A method for producing an electrode catalyst for a fuel cell is provided. The electrode catalyst includes a carbon support and a catalyst supported on the carbon support. The catalyst is one of platinum and a platinum-alloy. The method includes supporting the catalyst on the carbon support; and treating the carbon support carrying the catalyst with a nitric acid and cleaning the treated carbon support, such that an amount of an acid present on the carbon support becomes in a range from 0.7 mmol to 1.31 mmol of the acid per gram of the electrode catalyst.

Abstract: A gas diffusion electrode substrate that is used in a fuel cell, wherein a microporous layer constituted by a carbon based filler and a fluororesin is formed on one surface of the electrode substrate, the sliding angle of water on the surface on the opposite side of the surface on which the microporous layer is formed is 30 degrees or less, and the through-plane gas permeation resistance is 15 to 190 mmAq.

Abstract: A gas diffusion electrode substrate that is used in a fuel cell and is constituted by an electrode substrate and microporous parts, in which a microporous part (A) is formed on one surface of the electrode substrate with a thickness in the range of 10 ?m or more and 60 ?m or less, and in the gas diffusion electrode substrate, the pore volume of pores with a pore size of 0.1 ?m or more and less than 10 ?m is within the range of 0.9 times or more and 5 times or less of the pore volume of pores with a pore size of 10 ?m or more and less than 100 ?m.

Abstract: An illustrative method of making a fuel cell component includes obtaining at least one blank plate including graphite and a polymer; establishing a temperature of the blank that is sufficient to maintain the polymer in an at least partially molten state; and applying a compression molding force to the blank until the polymer is essentially solidified to form a plate including a plurality of channels on at least one side of the plate. The blank plate has a central area having a first thickness. The blank plate also has two generally parallel edges on opposite sides of the central area. The edges have a second thickness that is greater than the first thickness.

Abstract: A redox flow battery having reduced internal resistance is provided. The redox flow battery includes a membrane, a bipolar plate, an electrode disposed between the membrane and the bipolar plate, an inlet port for supplying an electrolyte to the electrode, and an outlet port for discharging the electrolyte from the electrode, and performs a charge-discharge reaction by allowing the electrolyte to flow in the electrode. The electrode includes an anisotropic electrode layer having different permeabilities between a direction A1 on a plane of the electrode and a direction A2 orthogonal to the direction A1 on the plane of the electrode. In the anisotropic electrode layer, a permeability K1 in the direction A1 is larger than a permeability K2 in the direction A2.

Abstract: An electrochemical system has at least one endplate, a terminal bipolar plate as well as a sealing device arranged between the endplate and the terminal bipolar plate. The materials of the terminal bipolar plate and the endplate have different coefficients of thermal expansion and with the sealing device being designed in such a way that during temperature changes, the sealing function is also given by a sliding of the endplate and/or the terminal bipolar plate along the sealing device.

Abstract: An electrochemical device comprises a stack consisting of a plurality of electrochemical units which succeed one another along a stack direction and which each include a membrane electrode arrangement, a bipolar plate and at least one sealing element, at least one medium channel which extends along the stack direction, a flow field through which a medium can flow from the medium channel to another medium channel, and a connection channel through which the flow field and the medium channel are in fluid connection with one another, wherein the sealing arrangement includes a connection channel region in which the sealing arrangement crosses the connection channel, and at least one neighboring region which is located in front of or behind the connection channel region in the longitudinal direction of the sealing arrangement, wherein the sealing arrangement has a lower average height in the connection channel region than in the neighboring region.

Abstract: A seal and corresponding method of manufacture of stacks enabled by the physical properties of the seal are provided. In the instance of a fuel cell or other electrochemical stack, the seal provides low-cost manufacturing and reliable/durable operation in high temperature (e.g., 120° C. to 250° C.) and acidic environments. The seal provides an elastomeric material characteristic providing resiliency and flexibility, and a protective characteristic that protects the seal from the high temperature acidic environment, such as found in high temperature PEM fuel cells. The seal is affixed to a plate of a fuel cell stark assembly prior to assembly of the stack, such that there is no requirement to apply an adhesive seal, gasket, free flow to solid scaling material, or the like, to each plate during assembly of the fuel cell stack, or during a disassembly and re-assembly process.

Abstract: Technologies are described herein for conditioning fluids stored in an underwater cryogenic storage vessel designed for use in a fuel system of an underwater vehicle. According to one aspect of the disclosure, a fuel system includes a fuel cell and a storage vessel, which stores a first fluid that is supplied to the fuel cell and a second fluid that is produced by the fuel cell. The fuel system also includes a thermal conditioning module that receives the first fluid from the storage vessel and receives the second fluid from the fuel cell. The first fluid stored in the storage vessel is conditioned by absorbing heat from the second fluid, such that the fuel cell receives the conditioned first fluid. The second fluid received from the fuel cell is in gaseous state and is converted to a liquid. The liquid second fluid is stored in the storage vessel.

Abstract: A fuel cell containment system wherein fan exhaust is ducted in a manner that directs the flow of air into or from hydrogen storage system or other fuel cell component housing, creating an active ventilation of the storage system. During standby operations, cooling air supporting the control electronics may be ducted into the hydrogen storage system likewise creating an active ventilation of the hydrogen storage system.

Abstract: A fuel cell system includes a fuel cell for generating electrical power upon being supplied with anode gas and cathode gas. The fuel cell system includes a wetness control state determination unit that determines whether or not a wetness control of controlling a degree of wetness of an electrolyte membrane of the fuel cell is normally executed, a combined capacitance calculation unit that calculates a combined capacitance of the fuel cell, and an anode gas concentration control unit that determines the occurrence of decrease in an anode gas concentration in the fuel cell or executes a control for increasing the anode gas concentration if the combined capacitance of the fuel cell is smaller than a predetermined value when the wetness control is determined to be normally executed.

Abstract: A purging circuit for purging an anodic compartment of a cell of a fuel cell, this circuit including: a capacity, forming a related volume at least equal to 500 ml, for containing and homogenising a recovery gas, including an inlet and an outlet; a first nonreturn valve to prevent the recovery gas from returning through the outlet and allowing gas to flow from the first outlet to an inlet of the compartment; a second nonreturn valve to prevent gas from being discharged from the capacity through the inlet; a pressure sensor able to measure the pressure of a fluid present in the circuit; a valve controlling the flow of a supply gas to and from the compartment as a function of data of the sensor and allowing gas to flow from the first nonreturn valve to the inlet of the compartment.

Abstract: Provided are a redox flow battery system and a method for operating a redox flow battery that suppress overcharge and overdischarge of an electrolyte. A redox flow battery system includes a pump that supplies an electrolyte to a battery cell by circulation, a pump controller that controls a flow rate of the pump, and a measurement unit that measures at least two parameters selected from among an inlet-side state of charge of the electrolyte supplied to the battery cell, an outlet-side state of charge of the electrolyte drained from the battery cell, and a charge/discharge current input to/output from the battery cell. The pump controller includes a pump flow-rate computation unit that calculates a charge/discharge efficiency of the battery cell from the parameters measured by the measurement unit and, based on the charge/discharge efficiency, determines the flow rate of the pump so that the electrolyte drained from the battery cell is neither overcharged nor overdischarged.

Abstract: Provided are an electrolyte-circulating battery in which electrolytes are unlikely to be oxidized and are easily cooled, a heat exchanger in which a corrosive liquid flowing through the inside thereof is unlikely to be oxidized and is easily cooled, and a pipe in which a corrosive liquid flowing through the inside thereof is unlikely to be oxelectrolyte-circulating batteryidized, and which is suitable for cooling the corrosive liquid. The electrolyte-circulating battery includes a battery cell and a circulation passage configured to circulate an electrolyte into the battery cell. The circulation passage includes a complex duct, and the complex duct includes a tubular main body composed of a resin and an oxygen block layer disposed on a periphery of the main body and composed of an organic material that has a lower oxygen transmission rate than the main body.