Abstract: A metal porous body having a frame of a three-dimensional network structure, the frame being formed of a plurality of bone members connected to each other, the plurality of bone members defining openings in a surface of the metal porous body, the plurality of bone members defining voids inside the metal porous body, the openings and the voids communicating with each other, a porosity being from 1 volume % to 55 volume %, a density being from 3 g/cm3 to 10 g/cm3.

Abstract: The present invention relates to a fuel cell and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a fuel cell comprising a membrane-electrode assembly having a first surface and a second surface opposite to the first surface, wherein an anode electrode and a cathode electrode are each disposed on the first surface; an end plate disposed apart at a predetermined interval on the second surface; a first gas diffusion layer disposed on the anode electrode; a second gas diffusion layer disposed on the cathode electrode; a first separating plate disposed on the first gas diffusion layer and having a plurality of flow channels; and a second separating plate disposed on the second gas diffusion layer and having a plurality of flow channels.

Abstract: A flow field plate for a fuel cell, the flow field plate is provided with a plurality of fluid channels wherein at least one split block is provided between the fluid channels, at least one auxiliary microflow-channel is arranged in the split block, the microflow-channel changes flow rate and flow pressure of fluid at different sites along the fluid channel by having a depth and a width smaller than a depth and a width of the fluid channel at a confluent segment and also smaller than a depth and a width of the fluid channel at a diverging segment, so as to generate a pressure difference that forces fluid to flow into a diffusion layer. The flow field plate adjusts flow rate and pressure of fluid at different sites along the fluid channel, so as to transmit the reaction medium more effectively and removes generated water more effectively.

Abstract: In order to provide a method for producing a composite of a bipolar plate and an MEA, the following is proposed: arranging the bipolar plate in a tool, which has a ferromagnetic or magnetic element, which partially forms the contact surface for the bipolar plate and is designed to be removable from the tool, arranging a membrane electrode assembly on the bipolar plate, arranging a second ferromagnetic or magnetic element on the membrane electrode assembly, removing the membrane electrode assembly and bipolar plate fixed to one another by the two ferromagnetic or magnetic elements, inserting the bipolar plate fixed to the membrane electrode assembly into a second tool, injecting a melt of a polymeric sealing material into the at least one mold cavity of the tool, allowing the melt to solidify, and demolding and removing the composite or the composites. In addition, a composite and a fuel cell stack are disclosed.

Abstract: This battery body unit 10 for a redox flow battery performs charging and discharging by circulating an electrolyte in which active materials are dissolved to a battery cell 3 comprising electrodes 1 containing nanomaterials, an ion exchange membrane 2, and bipolar plates. The battery body unit 10 for the redox flow battery comprises an outer frame body 4, and the following which are installed inside the outer frame body 4: the battery cell 3; inner pipes (internal electrolyte going-way pipe 5, internal electrolyte returning-way pipe 6) that circulate the electrolyte to the battery cell 4; and electrolyte exchange members 7 forming a portion of the path of the inner pipes. The electrolyte exchange member 7 has a connection part 7a that connects to an external electrolyte going-way pipe 12 and a connection part 7b that connects to an external electrolyte returning-way pipe 13.

Abstract: An operation control system and method of a fuel cell vehicle are provided. The system includes a fuel cell, an air supply device operated by a motor, to supply air to the fuel cell and a sensing unit that senses an abnormal operation of the air supply device. A calculation unit calculates a lower-limit voltage of the air supply device required for normal operation of the air supply device when the sensing unit senses abnormal operation of the air supply device. A controller then adjusts a voltage supplied to the air supply device based on the calculated lower-limit voltage.

Abstract: A fuel cell system is disclosed. The fuel cell system comprises: a fuel cell module including a plurality of unit cells for generating electrical energy by using oxygen of air and hydrogen of a reformed fuel gas; a first module including a burner part which burns an unreacted fuel gas and air discharged from the fuel cell module, an air-heating part which heats air through heat exchange with a hot combustion gas and a flame generated by the burner part and supplies the heated air to the fuel cell module, and a water vapor generation part which converts water, flowing through an inner portion thereof, into water vapor through heat exchange with a hot combustion gas generated by the burner part; and a second module which mixes a fuel supplied from an external fuel supply source and water vapor supplied from an water-vapor generator part, allows a water vapor reformation reaction to occur, and supplies a reformed fuel gas to the fuel cell module.

Abstract: The present specification relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly manufactured therefrom, and a fuel cell including the same.

Abstract: Embodiments provide a redox flow battery, an ion exchange membrane for use in the redox flow battery and a method for producing the ion exchanger membrane. The ion exchange membrane includes a base layer, a first hydrophobic layer, and a second hydrophobic layer. The base layer includes sulfonated poly(ether ether ketone). The base layer has a first surface and a second surface. The first hydrophobic layer includes a polydimethylsiloxane elastomer. The first hydrophobic layer is positioned on the first surface of the base layer. The second hydrophobic layer includes the polydimethylsiloxane elastomer. The second hydrophobic layer is positioned on the second surface of the base layer. The ion exchange membrane is configured to prevent cross contamination of the first electrolyte and the second electrolyte. The redox flow battery includes a first half-cell, a second half-cell, and the ion exchange membrane. The first half-cell includes a first electrolyte. The second half-cell includes a second electrolyte.

Abstract: A redox flow battery includes a redox flow cell, a supply/storage system external of the redox flow cell, and a controller. The supply/storage system includes first and second electrolytes for circulation through the redox flow cell. The first electrolyte is a liquid electrolyte having electrochemically active species with multiple, reversible oxidation states. The electrochemically active species can form a solid precipitate blockage in the redox flow cell. The controller is configured to identify whether there is the solid precipitate blockage in the redox flow cell and, if so, initiate a regeneration mode that reduces the oxidation state of the electrochemically active species in the liquid electrolyte to dissolve, in situ, the solid precipitate blockage.

Abstract: The invention provides an electro-chemical cell based on a new chemistry for a flow battery for large scale, e.g., gridscale, electrical energy storage. Electrical energy is stored chemically in quinone molecules having multiple oxidation states, e.g., three or more. During charging of the battery, the quinone molecules at one electrode are oxidized by emitting electrons and protons, and the quinone molecules at the other electrode are reduced by accepting electrons and protons. These reactions are reversed to deliver electrical energy. The invention also provides additional high and low potential quinones that are useful in rechargeable batteries.

Abstract: In terminal structure, one surface of a current collection plate is positioned adjacent to a stack body of power generation cells. A plate joint surface of an intermediate plate is joined to the other surface of the current collection plate. A rod terminal is joined to a terminal joint surface of the intermediate plate. A terminal joint portion for joining the intermediate plate and the rod terminal together is provided at the center of the intermediate plate as viewed in the stacking direction. A plate joint portion for joining the current collection plate and the intermediate plate together is provided on the outer circumferential side of the intermediate plate as viewed in the stacking direction.

Abstract: An apparatus for manufacturing a bagged electrode includes a conveying unit, a first bonding unit, a second bonding unit, and a separating unit. The conveying unit conveys an electrode in a manner interposed between a pair of long separator materials unwound from a pair of rolls. The first bonding unit bonds the pair of long separator materials outside the electrode along a conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The second bonding unit bonds the pair of long separator materials outside the electrode along a direction intersecting the conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The separating unit cuts the pair of long separator materials along the direction intersecting the conveyance direction to cut off the bagged electrode without stopping conveyance of the electrode and the pair of long separator materials.

Abstract: The invention provides an automated batch sample preparation method for button battery, comprising the following steps: preparing an electrolyte and elements of different specifications, presetting an injection amount of a liquid injection component, scanning and recording the identification information of the elements by a scanning component, grabbing the elements onto a sealing component, injecting the electrolyte into the elements on the sealing component, sealing the elements as a button battery by the sealing component, removing the button battery, then repeat the above steps. The automated batch sample preparation method for button battery provided by the invention has the advantages of high automation degree, simple operation, high-precision assembly and high efficiency. The injection amount can be adjusted and controlled, and button batteries with different specifications can be produced in batch. The information recorded by the scanning component can facilitate the optimization of the process.

Abstract: The disclosed technology relates to a battery utilizing an indicator to orient an unopposed portion of a cathode or anode with respect to a battery can, and a tag to generate an electromagnetic field to mitigate or eliminate an electromagnetic field generated by the unopposed portion of the cathode or anode. The battery includes a wound set of layers including a cathode, an anode, and a separator; a can housing the wound set of layers; a lid disposed atop of the can to enclose the wound set of layers within the can; and a tag coupled to the lid. An unopposed portion of the cathode or anode generates a first electromagnetic field. The tag generates a second electromagnetic field to oppose the first electromagnetic field.

Abstract: The secondary cell with the nonaqueous electrolyte includes: the wound body in which an electrode group including the positive electrode, the negative electrode, and a separator sandwiched therebetween is wound in a flat shape; and the nonaqueous electrolyte having the wound body immersed therein. The wound body, in the central section within at least five layers from the inside of the wound body, includes a gap between adjacent layers of the electrode group and a length Gn of the gap in a major axis direction of the wound body when viewed from the axial direction of the wound body fulfills a relationship of 0.09/n?0.003?Gn?0.98/n?0.093 (1?n?4).

Abstract: A lithium ion conductive composite material for an all solid-state lithium battery includes a polymer blend, a lithium salt, a lithium ion conductive ceramic filler, and a plasticizer. The polymer blend includes polyacrylonitrile and a polyvinyl polymer selected from the group consisting of polyvinyl alcohol, poly(vinylidene fluoride-hexafluoropropylene), and a combination thereof.

Abstract: Solid-state lithium ion electrolytes of lithium potassium tantalate based compounds are provided which contain an anionic framework capable of conducting lithium ions. An activation energy of the lithium metal silicate composites is from 0.12 to 0.45 eV and conductivities are from 10?3 to 40 mS/cm at 300K. Compounds of specific formulae are provided and methods to alter the materials with inclusion of aliovalent ions shown. Lithium batteries containing the composite lithium ion electrolytes are also provided. Electrodes containing the lithium potassium tantalate based materials and batteries with such electrodes are also provided.

Abstract: Solid-state lithium ion electrolytes of lithium potassium element oxide based compounds are provided which contain an anionic framework capable of conducting lithium ions. The element atoms are Ir, Sb, I Nb and W. An activation energy of the lithium potassium element oxide compounds is from 0.15 to 0.50 eV and conductivities are from 10?3 to 22 mS/cm at 300K. Compounds of specific formulae are provided and methods to alter the materials with inclusion of aliovalent ions shown. Lithium batteries containing the composite lithium ion electrolytes are also provided. Electrodes containing the lithium potassium element oxide based materials and batteries with such electrodes are also provided.

Abstract: Provided are solid-state electrolyte structures. The solid-state electrolyte structures are ion-conducting materials. The solid-state electrolyte structures may be formed by 3-D printing using 3-D printable compositions. 3-D printable compositions may include ion-conducting materials and at least one dispersant, a binder, a plasticizer, or a solvent or any combination of one or more dispersant, binder, plasticizer, or solvent. The solid-state electrolyte structures can be used in electrochemical devices.

Abstract: An all-solid battery includes: a multilayer structure that includes a plurality of first electrodes and a plurality of second electrodes, and has a first side face and a second side face adjacent to each other, the plurality of first electrodes and the plurality of second electrodes being alternately stacked with solid electrolyte layers interposed between the plurality of first electrodes and the plurality of second electrodes; a first extraction part exposed on the first side face, the first extraction part being a part of the first electrode; a second extraction part exposed on the second side face, the second extraction part being a part of the second electrode; a first external electrode coupled to the first extraction part on the first side face; and a second external electrode coupled to the second extraction part on the second side face.

Abstract: A method of manufacturing a cathode for an all-solid-state battery includes: stacking a protective member on a cathode current collector, the protective member including a protective layer and a mask layer disposed on the protective layer and having a central portion which is an empty space; coating the protective member with a cathode material so that the central portion of the protective member is filled with the cathode material; and removing the mask layer to form a cathode coating layer.

Abstract: Provided is a solid electrolyte composition including: an inorganic solid electrolyte having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table; a binder including a polymer that includes a specific structural unit having 6 or more carbon atoms; and a dispersion medium. Provided are a solid electrolyte-containing sheet and an all-solid state secondary battery that include a layer formed of the composition, and method of manufacturing a solid electrolyte-containing sheet and an all-solid state secondary battery.

Abstract: A rechargeable battery including a positive electrode, a negative electrode, and an electrolyte solution is provided. The electrolyte solution contains water and one or more lithium salts, and the lithium salts include lithium fluorophosphate.

Abstract: A non-aqueous electrolyte secondary cell provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode has a positive electrode active material that contains composite oxide particles which include Ni, Co, Li, and at least one of Mn and Al, and in which the proportion of Ni in relation to the total number of moles of metal elements excluding Li is at least 80 mol %. In the composite oxide particles, the ratio (B/A) of the post-particle-compression-test BET specific surface area (B) with respect to the pre-particle-compression-test BET specific surface area (A) is 1.0-3.0. The non-aqueous electrolyte contains a non-aqueous solvent and a cyclic carboxylic anhydride such as diglycolic anhydride.

Abstract: Liquid electrolytes for a lithium metal battery comprise an aprotic solvent, an ionic liquid, a lithium salt, 8 mol % to 30 mol % hydrofluoroether and up to 5 mol % additives. A molar ratio of the hydrofluoroether to the lithium salt is 0.22:1 to 0.83:1. The liquid electrolytes achieve at least a 50% improvement in cycle life over conventional electrolytes, extend capacity retention and delay increases in internal resistance.

Abstract: The present application relates to an electrolyte and an electrochemical device including the same. The electrolyte includes a diboronic acid compound and a nitrile compound, so that the storage performance and cycle performance of the electrochemical device using the electrolyte can be remarkably improved.

Abstract: An additive represented by Chemical Formula 1, an electrolyte for a rechargeable lithium battery including the same, and a rechargeable lithium battery, wherein, in Chemical Formula 1, R1 to R6 are each independently a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C2 to C10 alkenyl group, a substituted or unsubstituted C3 to C10 cycloalkyl group, a substituted or unsubstituted C3 to C10 cycloalkenyl group, or a substituted or unsubstituted C6 to C20 aryl group.

Abstract: In an embodiment, a monitoring system may monitor a selected number of battery packs residing within a battery energy storage system. The monitoring system may include a plurality of battery pack monitoring devices each configured to monitor a battery pack. In an embodiment, the battery pack monitoring device may include a battery pack monitoring controller having a memory and a processor. The battery pack monitoring device may also include a voltage sensor, an ambient temperature sensor, an electric current sensor, a cell voltage sensor, and a cell temperature sensor, each coupled to the processor of the battery pack monitoring controller. The measured voltages, temperatures, and electric current may be stored in the memory of the battery pack monitoring controller.

Abstract: A power supply management system includes a selection control circuit, a controller, and a communication cable. The controller is connected to the selection control circuit and configured to control the selection control circuit to switch between a temperature measurement mode and an encryption certification mode. One end of the communication cable is configured to be communicatively connected to a battery, and another end of the communication cable is electrically connected to a communication interface and a temperature measurement interface of the controller. When the selection control circuit switches to the temperature measurement mode, the controller is further configured to read a voltage of a temperature measurement resistor of the battery via the communication cable. When the selection control circuit switches to the encryption certification mode, the controller is further configured to communicate with an encryption chip of the battery via the communication cable.

Abstract: A plurality of power source circuits is each configured to be able to selectively charge any one of a plurality of cells included in each of series cell groups by using a voltage across each of series cell groups. The plurality of discharge circuits are each configured to be able to discharge a capacity stored in each of series cell groups. A controlling circuit equalizes the states of the plurality of cells included in each of the series cell groups by using the plurality of power source circuits. The controlling circuit equalizes the states of the plurality of series cell groups by using the plurality of discharge circuits.

Abstract: A vehicle assembly includes, among other things, a battery array, and an identifier that is associated with the battery array. The identifier is readable by a control module of an electrified vehicle when the battery array is in an installed position within the electrified vehicle.

Abstract: The present invention relates to a washer for a secondary battery including a film layer and an adhesive layer disposed on at least one surface of the film layer, wherein the adhesive layer includes an adhesive component and an indicator component, and the indicator component is fat-soluble, a secondary battery including the same, and a method for manufacturing the washer.

Abstract: A liquid composition is for use to feed carrier ions to a non-aqueous electrolyte secondary battery. The liquid composition includes a solvent and a dissolved substance. The dissolved substance includes an ionic compound. The ionic compound consists of a radical anion of an aromatic compound and a metal cation. The aromatic compound is a polyacene or a polyphenyl. The metal cation is an ion of the same type as the carrier ions.

Abstract: The invention relates to a battery-based system for powering refrigerated transport and other industrial applications. It includes a battery-based system for supplying power comprising a housing encasing a battery unit, a battery management system connected to the battery unit and operable to manage battery unit, and a power management unit connected to the battery unit and operable to convert battery power from the battery unit to 3 phase power of between 380 and 480 Vac. One exemplary application of the invention is to replace diesel gen-sets in refrigerated transport with more reliable and reduced emission battery power.

Abstract: The present invention relates to a method of reusing a positive electrode material, and more particularly, the method includes: inputting a positive electrode for a lithium secondary battery comprising a current collector, and a positive electrode active material layer formed on the current collector and including a first positive electrode active material, a first binder and a first conducting agent, into a solvent; separating at least a portion of the positive electrode active material layer from the current collector; adding second binder powder to the solvent and performing primary mixing a resulting mixture; and preparing a positive electrode material slurry by adding a second positive electrode active material and a second conducting agent to the solvent and performing secondary mixing a resulting mixture.

Abstract: A battery pack for an electric vehicle or a hybrid vehicle may include a housing, a stack of battery cells disposed within the housing, and a cooling subassembly. The housing typically holds the cell stack together, and the cooling subassembly typically cools the cell stack to prevent damage to the battery cells and to maintain the performance of the battery cells. The cooling subassembly may include a cold plate defining a liquid flow channel and one or more thermoelectric devices (TEDs) that are operable to cool the cell stack when current is supplied thereto. Heat spreaders may be employed within the battery pack, and exemplary configurations of components to thermally and mechanically couple the cooling subassembly are described.

Abstract: A battery pack for an electric vehicle or a hybrid vehicle may include a housing, a stack of battery cells disposed within the housing, and a cooling subassembly. The housing typically holds the cell stack together, and the cooling subassembly typically cools the cell stack to prevent damage to the battery cells and to maintain the performance of the battery cells. The cooling subassembly may include a cold plate defining a liquid flow channel and one or more thermoelectric devices (TEDs) that are operable to cool the cell stack when current is supplied thereto. Heat spreaders may be employed within the battery pack, and exemplary configurations of components to thermally and mechanically couple the cooling subassembly are described.

Abstract: A battery, particularly for a motor vehicle, including at least two battery cells, wherein at least one circuit branch is connected to a respective positive pole and negative pole of the respective battery cell, which includes a heating unit, which can be connected in parallel to the respective battery cell by a switching element of the circuit branch; and a control device, which is configured to switch the switching elements of the respective circuit branch between an electrically conductive and an electrically blocking state in order to heat the battery cells, perform active balancing of the battery cells, and/or discharge the battery cells. The invention furthermore relates to a method for operating a battery.

Abstract: Shelf designs for battery modules are disclosed. A liquid cooling method for battery thermal management is also introduced using the shelf design. A backup battery system shelf comprises a cooling frame and a thermal conductive pad disposed on one or more surfaces of the shelf. The cooling frame can house a backup battery unit (BBU) or module. The cooling frame is configured to circulate a cooling liquid in and out of the cooling frame. The thermal conductive pad is configured to transfer heat from a BBU module to the cooling frame and liquid circulating within the cooling frame. The BBU module can also include a cooling frame circulating a cooling liquid to transfer heat away from the BBU module.

Abstract: The present invention provides an electrode assembly comprising: a radical unit provided with first and second electrodes stacked with a separator therebetween, wherein the first electrode is stacked at the outermost side; and a safety unit disposed on the outermost surface of the radical unit, wherein the safety unit comprises: a first safety plate disposed above the outermost surface of the radical unit; and a first semiconductor material provided between the radical unit and the first safety plate, wherein the first semiconductor material changes from an insulator to a conductor at the first set temperature or more to connect the radical unit to the first safety plate, thereby dissipating heat of the radical unit while conducting the heat to the first safety plate.

Abstract: A battery module includes: a plurality of battery cells stacked to face each other; a plurality of cell cartridges stacked to surround the plurality of battery cells; and a plurality of PCM capsules disposed in the cell cartridges and each containing a phase change material (PCM) therein.

Abstract: This disclosure details exemplary battery pack designs for use in electrified vehicles. Exemplary battery packs may include a polymer-based enclosure assembly having features for thermally managing internal components of the battery pack. In some embodiments, the enclosure assembly may include molded-in fluid channels or molded-in tubing for establishing a cooling circuit of the battery pack. In other embodiments, the enclosure assembly may include molded-in channels that receive tubing for establishing a cooling circuit of the battery pack.

Abstract: A battery module includes a plurality of battery cells, a module case configured to accommodate the plurality of battery cells, an air intake unit provided to one side of the module case and configured to guide an air into the module case to cool the plurality of battery cells, an air discharge unit provided to the other side of the module case and configured to discharge the air introduced into the module case through the air intake unit to the outside of the module case, and at least one sheet member attached to an inner wall of the module case between the air discharge unit and the air intake unit and configured to expand at a predetermined temperature or above to seal an inner space of the module case.

Abstract: A battery and capacitor assembly for a hybrid vehicle includes a plurality of battery cells, a plurality of capacitor cells, a cooling plate, a pair of end brackets, and a housing. The plurality of capacitor cells are arranged adjacent to the plurality of battery cells such that the plurality of battery cells and the plurality of capacitor cells form a cell stack. The pair of end brackets are disposed at opposite ends of the cell stack and are attached to the cooling plate. The pair of end brackets compress the plurality of battery cells and the plurality of capacitor cells. The housing is attached to the cooling plate and encloses the cell stack and the pair of end brackets.

Abstract: A method of charging a metal-air fuel cell. The method includes a step of orienting an anode chamber horizontally. The method further method includes a step of providing metal particles suspended in an electrolyte to flow through the anode chamber in a downstream direction oriented horizontally. The method further method includes a step of allowing a bed of the metal particles to form on the anode current collector. The plurality of particle collectors perturb the flow of electrolyte through the anode chamber and encourage settling of the particles one of on and between the particle collectors. The method further method includes a step of maintaining uniform formation of the bed.

Abstract: A charger for charging an audio-device-accumulator of an audio device which is wearable on a head of a user and contains an interface for the transfer of electrical energy to the audio-device-accumulator. The charger contains an energy source configured as a hybrid battery for supplying the interface in a first charging mode. The hybrid battery contains a charger-accumulator and a fuel cell.

Abstract: A battery pack and an electronic device are proposed that suppress an increase in size of a battery pack, and decrease damage to a battery element due to an external impact. A battery pack includes: a battery cell including a battery element; at least one holder facing an end of the battery element; and an impact absorbing structure formed at the holder.

Abstract: A system utilizes e-fuses in phase shifter elements of a phased array antenna to achieve a desired direction of a beam formed by the phased array antenna. A phase shifter element includes: a transmission line structure comprising a signal line, a ground return line, a capacitance line, and an inductance return line; and at least one e-fuse connected to the transmission line structure, wherein the phase shifter element has a first phase shift when the at least one e-fuse is unbroken and a second phase shift, different from the first phase shift, when the at least one e-fuse is broken.

Abstract: The present disclosure provides a liquid crystal phase shifting device, a manufacturing method for the liquid crystal phase shifting device, a liquid crystal phase shifter, and an antenna, aiming to achieve the better curved surface applications of the liquid crystal phase shifting device and thus increases the applications. The liquid crystal phase shifting device includes: a first flexible substrate and a second flexible substrate that are opposite to each other; a microstrip line arranged on a side of the first flexible substrate facing towards the second flexible substrate; an electrode layer arranged on a side of the second flexible substrate facing towards the first flexible substrate; and solid-state liquid crystal arranged between the microstrip line and the electrode layer. The liquid crystal phase shifting device is used for performing phase shifting on a microwave signal.