Abstract: The present invention is directed to solid-state composite cathodes that comprise Na2S or Li2S, Na3PS4, or Li3PS4, and mesoporous carbon. The present invention is also directed to methods of making the solid-state composite cathodes and methods of using the solid-state composite cathodes in batteries and other electrochemical technologies.

Abstract: The present disclosure relates to a battery unit and a battery module, the battery unit includes an electrode assembly, including a main body portion and a tab; two electrode terminals; and two current collecting members respectively connecting the tabs on both sides of the main body portion with the respective electrode terminals; the current collecting member includes a guiding plate and a supporting plate, the guiding plate is located on one side of the main body portion along the length direction, a reinforcement portion is arranged on the guiding plate and is configured to reduce the deformation of the guiding plate towards the main body portion; and the supporting plate is connected to an end of the guiding plate along the width direction, the tab is bent relative to the length direction and connected to the supporting plate. The battery unit can reduce the bending deformation of the guiding plate.

Abstract: A flow-through redox galvanic cell and a battery is described, where each flow-through galvanic cell is separated into two parts by a metal foil serving as a bi-electrode in contact with two solutions having different redox potentials. Voltage due to redox processes is formed through the foil, and two traditional electrodes (cathode and anode) in each cell are not necessary anymore. The cells in a battery should be in electric contact with each other via ion-selective membranes. The battery is easy to recharge, and it is smaller, lighter, safer and cheaper than known redox-flow batteries. It may be used as a reserve source of energy in electric grids and households. It also may be used in electric cars, and it is especially attractive for use near the seashore and on sea ships.

Abstract: A battery assembly method for providing a battery arrangement having at least one battery module, a cooling means, and a frame. For attaching the at least one battery module on a first side of the cooling means, the battery module is affixed in a module support region of the first side without the frame being attached to the cooling means, wherein the cooling means comprises a separating element which provides the first side, which element has an edge region and a transition region which connects the edge region to the module support region, wherein the separating element is elastically flexible, at least in the transition region, and wherein, after affixing the battery module, the frame is mounted such that at least a portion of the frame rests on the edge region of the separating element.

Abstract: In a battery system, an output lead is exposed at an opening of an outer case, and the outer case accommodates a cradle mounting a lead plate and disposed at a fixed position. The cradle includes an upper plate allowing the lead plate to be disposed on the upper plate, a peripheral wall disposed around the lead plate, a drainage hole opened in the upper plate, and a drainage channel for water flowing from the drainage hole. The outer case is provided with a drainage opening allowing water flowing from the drainage channel to be externally drained. The lead plate includes a planar part disposed inside the peripheral wall, and a rising part crossing over the peripheral wall. Entering water flowing from the opening flows from the drainage hole and passes through the drainage channel to be externally drained out of the drainage opening of the outer case.

Abstract: Presented are metalworking systems for forming metallic workpieces, methods for making/operating such systems, and battery packs with cell terminals bent by a two-stage plunger press. A metalworking system includes a first plunger with a plunger cavity extending through the first plunger's body, and one or more die cavities recessed into the first plunger's contact face. The die cavity includes one surface that contacts and bends a first workpiece a first angle, and another surface that contacts and bends a second workpiece a second angle. A second plunger includes one or more die cavities recessed into the second plunger's contact face. This die cavity includes one surface that contacts and bends the first workpiece a third angle, and another surface that contacts and bends the second workpiece a fourth angle. The second plunger passes through the plunger cavity such that the first and second plungers bend the metallic workpieces in tandem.

Abstract: A nonaqueous electrolyte energy storage device according to one aspect of the present invention is a nonaqueous electrolyte energy storage device including a positive electrode which has a conductive substrate and a positive electrode composite layer layered on the substrate, wherein the substrate is made from an aluminum alloy containing an element other than aluminum at a content of 1% by mass or more, and the positive electrode composite layer contains particles A and particles B having different particle sizes from each other as positive active materials.

Abstract: Electrolytes comprising at least one lithium salt and at least two ionic liquids, at least one of which is an ionic liquid resulting from the association of at least one cation complying with the following formula (I): In which: R1 is an acyclic hydrocarbon group; n is an integer ranging from 0 to 3; m is an integer ranging from 1 to 4; and at least one Y anion.

Abstract: The present disclosure provides a heating control method and a heating control device. The heating control method includes: acquiring an average current value in a heating circuit of a power battery pack; calculating a current output value required for nth cycle according to an average current value of the nth cycle, an average current value of (n?1)th cycle, an average current value of (n?2)th cycle, a preset current value, n is equal to or greater than 3; outputting a PWM signal to a switch device of the heating circuit according to a pre-calibrated PWM control parameter corresponding to the current output value so that a difference between an actual current value in the heating circuit and the preset current value is less than a preset threshold.

Abstract: A metal-ion battery is provided. The metal-ion secondary battery includes a first chamber, a second chamber, and a control element. A positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a first electrolyte are disposed within the first chamber. A second electrolyte is disposed within the second chamber, and wherein components and/or concentration of the first electrolyte are different from those of the second electrolyte. The control element determines whether to introduce the second electrolyte disposed within the second chamber into the first chamber via a first pipeline.

Abstract: The method for manufacturing a solid electrolyte using an LLZ material for a lithium-ion battery comprises the steps of: providing a starting material in which lanthanum nitrate [La(NO3)3.6H2O] and zirconium nitrate [ZrO(NO3)2.6H2O] are mixed at a mole ratio of 3:2; forming an aqueous solution by dissolving the starting material; forming a precipitate by putting ammonia, which is a complex agent, and sodium hydroxide, which adjusts the pH of a reactor, into the aqueous solution, mixing the same, and then co-precipitating the mixture; forming a primary precursor powder by cleaning, drying and pulverizing the precipitate; forming a secondary precursor powder by mixing lithium powder [LiOH.H2O] with the primary precursor powder and ball-milling the mixture so as to solidify the lithium; and forming a solid electrolyte powder by heat-treating the secondary precursor powder.

Abstract: The present disclosure relates to a cell block for a battery and a method for assembling a cell bock having one or more battery cells. In one implementation, the cell block includes a box-shaped housing, which is open on one side and into which the battery cells are fitted through the open side, and a cell fixation, which is pushed through the open side into the housing, such that the battery cells are fixed in the housing and the housing is at least partially closed. The cell fixation may further include one or more bond openings, through which the battery cells may be accessed after the cell fixation has been pushed in, and a projecting collar on the side of the cell fixation facing away from the battery cells, such that the collar may be brought into contact with an end plate.

Abstract: A system includes a fuel cell stack that receives a fluid, an actuator to increase or decrease a fluid temperature of the fluid, a pipe to facilitate flow of the fluid, and a memory designed to store a model of the fuel cell circuit. The system also includes an ECU that calculates mass flow values of the fluid through the fuel cell stack or the pipe based on a previously-determined mass flow value and the model of the fuel cell circuit. The ECU also calculates a plurality of pressure values corresponding to the fuel cell stack or the pipe based on the plurality of mass flow values and the model, controls the actuator position of the actuator to increase or decrease the fluid temperature based on at least one of the plurality of mass flow values and at least one of the plurality of pressure values.

Abstract: Disclosed is a clamping member and a battery module using the same. The clamping member includes a pair of pressing units configured to respectively press an upper plate and a lower plate of a battery assembly in which a plurality of batteries is stacked, so that a stacking structure of the battery assembly is fixed, and a support unit configured to support the pair of pressing units so that the upper plate and the lower plate of the battery assembly are pressed by the pair of pressing units, wherein at least one of the pair of pressing units includes a snap-fitting portion coupled to the upper plate or the lower plate by means of snap-fitting, and a screwing portion coupled to the upper plate or the lower plate coupled to the snap-fitting portion, by means of screwing, thereby fixing the battery stacking structure with excellent space efficiency, ensuring easy assembling of the battery module and improving durability of the battery module.

Abstract: A carbon dioxide capture system for removing carbon dioxide from a flue gas produced by a combustion power plant. The system includes an electrolyzer cell configured to receive a flue gas comprising carbon dioxide and output a first exhaust stream comprising an enriched flue gas comprising carbon dioxide. The system further includes a fuel cell configured to receive the first exhaust stream and output a second exhaust stream comprising carbon dioxide. The second exhaust stream contains a higher concentration of carbon dioxide than the first exhaust stream.

Abstract: An exemplary battery assembly includes an endwall, an endplate, and a flange secured within a recess to secure the endwall relative to the endplate. One of the endwall or the endplate provides the flange, and the other of the endwall or the endplate provides the recess.

Abstract: Systems and methods to manage battery cell degradation are provided. The system determines anode stoichiometry bounds in full-cell and cathode stoichiometry bounds in full-cell. The system measures a cell open circuit voltage subsequent to a rest duration. The system identifies, via a data fitting technique and the cell open circuit voltage, a change in the anode stoichiometry bounds in full-cell and a change in the cathode stoichiometry bounds in full-cell. The system determines a total cyclable lithium ion for the battery cell, an amount of anode active material and an amount of anode cathode material. The system determines a primary capacity fade mechanism for the battery cell. The system generates a battery health indicator, selects a command, and provides the command to manage power consumption from the battery cell.

Abstract: A battery pack includes: a plurality of battery cells, each comprising at least one cell vent; a connection plate extending over the plurality of battery cells and electrically connected to the plurality of battery cells; and a cover including a cover plate arranged over the connection plate and a barrier wall protruding from the cover plate towards the connection plate, and the barrier wall includes at least two round portions extending between two neighboring battery cells of the plurality of battery cells to individually surround the at least one cell vent of a battery cell of the neighboring battery cells, and a stripe portion extending across the cover plate and spaced from the round portion.

Abstract: The present invention relates to a method of preparing a positive electrode material for a lithium secondary battery including a first step of synthesizing a lithium transition metal oxide represented by Chemical Formula 1, a second step of preparing lithium transition metal oxide powder by grinding the lithium transition metal oxide, a third step of preparing a positive electrode material including an alumina coating layer by mixing as well as dispersing the lithium transition metal oxide powder in an alumina nanosol, and a fourth step of drying the positive electrode material, a positive electrode material for a lithium secondary battery prepared by the above method, and a lithium secondary battery including the positive electrode material, Li(1+a)(Ni(1?a?b?c)MnbCoc)On??[Chemical Formula 1] where 0?a?0.1, 0?b?1, 0<c?1, and n is an integer of 2 or 4.

Abstract: Halogenation of para-aminophenol and polymerization of the halogenation product results in electro-conductive redox polymer. For example, the para-aminophenol is chlorinated or brominated in an acidic solution, and the halogenation product is polymerized upon increasing the pH and upon oxidation. The halogenation product can be polymerized during electro-deposition of a thin film upon an anode current collector from an electrolyte solution to produce a sensor electrode, and the halogenation product can be mixed with electro-conductive carbon material to produce electrode-active material for storage battery electrodes. For example, the sensor electrode has an electrochemical reduction potential and a charge-discharge cycle period inversely proportional to pH, and the storage battery electrodes are positive electrodes in a storage battery having zinc negative electrodes in a zinc salt electrolyte solution.