Abstract: A binder composition includes a dispersion medium and a group of binder particles. The group of binder particles is dispersed in the dispersion medium. The group of binder particles include a polymer material. The polymer material includes a constitutional unit originated from vinylidene difluoride. The group of binder particles has a number-based particle size distribution. The particle size distribution satisfies the following conditions: “0.19?X?0.26”, “0.69?Y?0.76”, and “0?Z?0.05”. Here, “X” represents a frequency of particles each having a particle size of less than or equal to 40 ?m. “Y” indicates a frequency of particles each having a particle size of more than 40 ?m and less than or equal to 110 ?m. “Z” indicates a frequency of particles each having a particle size of more than 110 ?m and less than or equal to 250 ?m.

Abstract: The present disclosure discloses a stable and high-capacity neutral aqueous redox flow lithium battery based on redox-targeting reaction and belongs to the technical field of flow lithium batteries. The present disclosure solves the technical problem that an existing flow battery can only work at low current density. The flow lithium battery of the present disclosure includes a positive electrode storage tank and a negative electrode storage tank; the positive electrode storage tank is filled with a positive electrolyte; and the negative electrode storage tank is filled with a negative electrolyte. The flow lithium battery is characterized in that the positive electrolyte includes a salt containing [Fe(CN)6]4? and/or [Fe(CN)6]3?, and the positive electrode storage tank is further filled with LFP particles and/or FP particles. The flow lithium battery of the present disclosure has wide application prospects in the field of large-scale energy storage.

Abstract: A method and a system for using flow cell batteries with mixed Fe/V electrolytes are provided. An exemplary method includes flowing an anolyte through a first channel in an electrochemical cell, wherein the first channel is formed in the space between an anode current collector and an ion exchange membrane. A catholyte is flowed through a second channel in the electrochemical cell, wherein the second channel is formed in the space between a cathode current collector and the ion exchange membrane, wherein the first channel and the second channel are separated by an ion exchange membrane, and wherein the catholyte includes a mixed electrolyte including both iron and vanadium ions. Ions are flowed through the ion exchange membrane to oxidize the anolyte and reduce the catholyte. An electric current is generated between the anode current collector and the cathode current collector.

Abstract: Provided herein are three-dimensional ion transport networks and current collectors for electrodes of electrochemical cells. Exemplary electrodes include interconnected layers and channels including an electrolyte to facilitate ion transport. Exemplary electrodes also include three dimensional current collectors, such as current collectors having electronically conducting rods, electronically conducting layers or a combination thereof.

Abstract: An electrochemical cell is provided. The electrochemical cell includes a positive electrode including a first lithium metal-based material, the first lithium metal-based material including one or more transition metal ions, and wherein the positive electrode has an operating voltage of 4.5 volts versus lithium metal potential or greater. The electrochemical cell also includes an electrolyte formed from ingredients comprising a solvent and lithium salt. The solvent includes at least one carbonic ester. The electrochemical cell further includes a negative electrode including a second lithium metal-based material, the second lithium metal-based material including one or more transition metal ions.

Abstract: A fuel cell system includes a membrane electrode assembly, an anode-side internal passage, a cathode-side internal passage, an oxygen supply section, and a control device. The oxygen supply section includes a gas circulation passage connected to one end side and the other end side of the cathode-side internal passage, an oxygen supply source connected to the gas circulation passage, and a gas circulation device configured to circulate and flow oxygen gas in any one of one direction and the other direction in the gas circulation passage. The control device switches a flow direction of the oxygen gas by the gas circulation device according to a distribution state of moisture on the cathode electrode of the membrane electrode assembly.

Abstract: The present application relates to a secondary battery and a battery module. The secondary battery comprises: a casing, which is provided with an accommodating hole with an opening; a top cover assembly, which is in sealed connection with the casing to close the opening; an electrode assembly, which is arranged in the accommodating hole, and comprises two end faces opposite to a first direction perpendicular to an axial direction of the accommodating hole, and tabs extending from the end faces, the electrode assembly comprises two or more electrode units, wherein two or more electrode units are stacked in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the size of the tabs is smaller than that of the end faces; and a current collector, which comprises a body portion.

Abstract: Disclosed herein are a method of manufacturing a fuel cell, and a fuel cell manufactured according to the method. The method includes bonding a sub-gasket, provided with an air inlet and a hydrogen inlet, to a side surface of a three-layer membrane-electrode assembly (MEA) including an electrolyte membrane, a cathode located on one surface of the electrolyte membrane, and an anode located on the other surface of the electrolyte membrane; stacking a gas diffusion layer, which comprises an antioxidant precursor, on at least one of the cathode and the anode and preparing a five-layer MEA; and applying a current to the five-layer MEA and moving an antioxidant, which is derived from the antioxidant precursor, to the electrolyte membrane.

Abstract: System for supplying compressed air to a fuel cell of a vehicle, comprising a first compressor having an inlet for receiving air and an outlet for delivering compressed air to the fuel cell; an air storage tank arranged upstream and in series with the first compressor and configured to store compressed air of high pressure; an air selection control assembly comprising a selection valve and a switch actuator configured to operate the selection valve, wherein said selection valve is arranged in between air storage tank and inlet of the first compressor, and further in fluid communication with an inlet conduit for receiving fresh air, said switch actuator being configured to operate the selection valve to selectively control flow of air to the first compressor such that air can be supplied from the air storage tank to the first compressor or from the fresh air inlet conduit to the first compressor.

Abstract: Thin Film Batteries are made of battery layers. Each battery layer has a substrate with one or more battery structures on the substrate surface. The battery structures have a first electrode connection and a second electrode, a first electrode (e.g. a cathode or anode) is electrically connected to the first electrode connection and a second electrode (e.g. an anode or cathode) is electrically connected to the second electrode connection. An electrolyte is at least partial disposed between and electrically connected to the first and second electrodes. A first edge connection on one of the substrate edges is physically and electrically connected to the first electrode connection. A second edge connection on one of the substrate edges is physically and electrically connected to the second electrode connection. An electrically insulating lamination is disposed on the substrate and covers the components except for the first and second edge connections, connected to respective battery electrodes.

Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.

Abstract: A battery module includes a battery cell, a bus bar assembly connected to an electrode lead of the battery cell and positioned on both side surfaces of the battery cell, a heatsink positioned on at least one side of the battery cell and the bus bar assembly, and a pair of cooling plates connected perpendicularly to the heatsink and arranged in direct contact with the bus bar assembly.

Abstract: According to one embodiment, a secondary battery includes a positive electrode, a negative electrode, a nonaqueous electrolyte and a separator. The positive electrode includes a halide including at least one metal element selected from the group consisting of copper, iron, nickel, cobalt, tin, and zinc. The negative electrode includes at least one selected from the group consisting of lithium metal, a lithium alloy, and a compound capable of having Li inserted and extracted. The nonaqueous electrolyte includes an ionic liquid including chlorine ions. The separator has lithium ion conductivity, and is interposed between the positive electrode and the negative electrode.

Abstract: A control unit of an aging apparatus performs a first pattern of supplying a humidified H2 gas to an anode and supplying a humidified N2 gas to a cathode, to thereby move protons from the anode to the cathode through an electrolyte membrane. Further, the control unit performs a second pattern of supplying the humidified N2 gas to the anode and supplying the humidified H2 gas to the cathode, to thereby move protons from the cathode to the anode through the electrolyte membrane.

Abstract: An all-solid-state lithium battery, thermo-electromechanical activation of Li2S in sulfide based solid state electrolyte with transition metal sulfides, and electromechanical evolution of a bulk-type all-solid-state iron sulfur cathode, are disclosed. An example all-solid-state lithium battery includes a cathode having a transition metal sulfide mixed with elemental sulfur to increase electrical conductivity. In one example method of in-situ electromechanically synthesis of Pyrite (FeS2) from Sulfide (FeS) and elemental sulfur (S) precursors for operation of a solid-state lithium battery, FeS+S composite electrodes are cycled at moderately elevated temperatures.

Abstract: Disclosed herein are novel or improved separators, battery separators, lead battery separators, batteries, cells, and/or methods of manufacture and/or use of such separators, battery separators, lead battery separators, cells, and/or batteries. In accordance with at least certain embodiments, the present disclosure or invention is directed to novel or improved battery separators for lead acid batteries. In addition, disclosed herein are methods, systems and battery separators for enhancing battery life, reducing active material shedding, reducing grid and spine corrosion, reducing failure rate reducing acid stratification and/or improving uniformity in at least lead acid batteries, in particular batteries for electric rickshaws. In accordance with at least particular embodiments, the present disclosure or invention is directed to an improved separator for lead acid batteries wherein the separator includes improved membrane profiles, improved coatings, improved configurations, and/or the like.

Abstract: A battery pack includes battery cells and an interconnect board assembly (ICBA) having a dielectric ICB and parallel busbars. A cell tab protrudes from an edge of the cells and joined to the busbars. A dielectric ICB is connected to the busbars at one distal end of the busbars. The dielectric material of the ICB is overmolded onto another distal end such that the ICB wraps around the busbars to form overmolded ends. The overmolded ends are received within a pocket of a bracket to form direct parallel cooling paths to a heat sink. A method of manufacturing the battery pack includes arranging the busbars in parallel, overmolding dielectric material onto ends of the busbars to form overmolded ends, and attaching the busbars to a plastic ICB formed from the dielectric material. The ICBA is then attached to the bracket and cells.

Abstract: A method for making a IC is provided, including: identifying, in a schematic, first and second edge elements, which edge elements including devices whose layout patterns are configured to conform to a first layout grid; identifying all the elements between the first and second edge elements, at least one of the identified elements including a device whose layout pattern is configured to conform to a second layout grid that is finer than the first layout grid; and calculating a spatial quantity of a combined layout pattern of the identified elements between the first and second edge elements to determine whether the combined layout pattern conforms to the first layout grid.

Abstract: A toner includes toner base particles and an external additive. The external additive is adhered to surfaces of the toner base particles, which contain a crystalline polyester resin and an ester wax. The proportion of an ester compound with a carbon number of C1, the content of the ester compound with a carbon number of C1 being highest among the ester compounds constituting the ester wax, is 65 mass % or more with respect to 100 mass % of the ester wax. The carbon number distribution of the ester compounds constituting the ester wax has only one maximum peak in a region where the carbon number is 43 or more. The external additive contains silica particles having a volume average primary particle diameter D50 of 40 to 75 nm. The moisture content of the silica particles is less than 1.0 mass % with respect to 100 mass % of the silica particles.

Abstract: When leakage of fuel gas is detected by detection signals or disruption of the detection signals is detected, a FCECU limits a supply amount of the fuel gas from a fuel gas supply device, and shuts off the supply of the fuel gas by the fuel gas supply device when determining, after limiting the supply amount of the fuel gas, that the leakage of the fuel gas or the disruption of the detection signals has occurred.