Abstract: A rechargeable battery including an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate, a first current collector plate electrically coupled to the first electrode plate and including a fuse, a second current collector plate electrically coupled to the second electrode plate, a case accommodating the electrode assembly, the first current collector plate, and the second current collector plate, a cap assembly sealing the case and including a cap plate, a first electrode terminal electrically coupled to the first current collector plate and a second electrode terminal electrically coupled to the second current collector plate, the first electrode terminal and the second electrode terminal passing through the cap plate, and an insulation cover surrounding a region between the cap plate and the electrode assembly, the region including the first electrode terminal and the fuse.

Abstract: The invention relates to a battery (10) having a plurality of battery cells (12) which form a cell stack (14) which stands on a bottom plate (18) of the battery (10). At least one wedge (20, 22) is provided to brace the battery cells (12) against one another. The at least one wedge (20, 22) and the cell stack (14) are secured in their position relative to the bottom plate (18) by at least one bracket (24) which is mounted to the bottom plate (18). Manufacturing tolerances of the battery cells (12) can be compensated by the at least one wedge (20, 22), and the bracket (24) secures both the wedge (20, 22) and the cell stack (14).

Abstract: A carbon negative electrode material for a lithium secondary battery includes: a core carbon material; and a coated layer covering the core carbon material and comprising a carbon coating material and carbon fiber.

Abstract: A secondary battery includes an electrode assembly, a support body receiving the electrode assembly, and an external member coupled to the support body, wherein the support body and the external member together enclose the electrode assembly. Another secondary battery includes an electrode assembly including a first electrode plate and a second electrode plate; and a support body receiving the electrode assembly and including a body and a terminal forming part, wherein the terminal forming part is provided with a first electrode terminal electrically connected to the first electrode plate and a second electrode terminal electrically connected to the second electrode plate, and the terminal forming part is integrally formed with the body.

Abstract: A Fuel Cell Motor, or, Fuel Cell Engine, and system are described. A central output shaft is mounted with a novel set of rotationally capable fuel cells, of various shapes and configurations. These fuel cells when supplied by hydrogen and oxygen fuels generate electricity. That electricity so generated is channeled to electromagnet winding poles that are mounted on top of these rotationally capable fuel cells and also to the nearby stator electromagnetic poles. The current in the armature electromagnet poles produces magnetic fields which interacts with the congruent magnetic fields produced by the stator electromagnetic winding poles, to cause a rotational motion on the armature poles, adjoined to the central output shaft; henceforth, accomplishing the operations of an electric motor.

Abstract: The present invention provides a method for producing a positive electrode active material for lithium ion battery, having excellent tap density, at excellent production efficiency, and a positive electrode active material for lithium ion battery. The method for producing a positive electrode active material for lithium ion battery including a step of conducting a main firing after increasing mass percent of all metals in lithium-containing carbonate by 1% to 105% compared to the mass percent of all metals before a preliminary firing, by conducting the step of a preliminary firing to the lithium-containing carbonate, which is a precursor for positive electrode active material for lithium ion battery, with a rotary kiln.

Abstract: Some embodiments of the present disclosure relate to a mobile battery module for high power applications. The mobile battery module includes a case having a chamber therein, wherein one or more engagement elements are disposed on an inner surface of the case. A number of blocks removably engage the one or more engagement elements, wherein each block includes a pair of opposing sidewalls. Within each block, a number of end caps extend from the opposing sidewalls to cooperatively hold a number of respective cells there between.

Abstract: A rechargeable energy storage device is disclosed. In at least one embodiment the energy storage device includes an air electrode providing an electrochemical process comprising reduction and evolution of oxygen and a capacitive electrode enables an electrode process consisting of non-faradic reactions based on ion absorption/desorption and/or faradic reactions. This rechargeable energy storage device is a hybrid system of fuel cells and ultracapacitors, pseudocapacitors, and/or secondary batteries.

Abstract: An electrolyte may include compounds of general Formula IVA or IVB. where, R8, R9, R10, and R11 are each independently selected from H, F, Cl, Br, CN, NO2, alkyl, haloalkyl, and alkoxy groups; X and Y are each independently O, S, N, or P; and Z? is a linkage between X and Y, and at least one of R8, R9, R10, and R11 is other than H.

Abstract: The invention provides a metal air battery with improved discharge characteristics compared to conventional ones. This is achieved by a metal air battery including a positive electrode layer, a negative electrode layer, and an electrolyte layer positioned between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes an electroconductive material, a binder, and a SiO2 particle, and wherein the SiO2 particle has a specific surface area of 16.7 m2/g or less.

Abstract: A separator including a porous substrate, and a porous coating layer formed on at least one surface of the porous substrate and including a mixture of inorganic particles and a binder polymer. A continuous or discontinuous patterned layer is formed on the surface of the porous coating layer to allow an electrolyte solution to permeate therethrough. The continuous or discontinuous patterned layer may be formed with continuous grooves to allow an electrolyte solution to permeate therethrough. Due to this structure, the wettability of the separator with an electrolyte solution is improved, shortening the time needed to impregnate the electrolyte solution into the separator.

Abstract: Provided is a fuel cell system capable of supplying electric power to external loads without excess or deficiency even when switching occurs between operation states. A warm-up timing judgment part judges whether it is time to operate warm-up based on the temperature of a fuel cell stack. A target shift voltage determination part determines a target output voltage of the fuel cell stack used during a warm-up operation, and a voltage change speed determination part determines a voltage change speed based on electric power required from the fuel cell stack, the target output voltage of the fuel cell stack used during the warm-up operation which is output from the target shift voltage determination part and a current output voltage detected by a voltage sensor. A voltage decrease execution part operates voltage decrease processing according to the voltage change speed indicated by the voltage change speed determination part.

Abstract: The present invention provides carboxymethylcellulose or a salt thereof that can prevent defects such as streaks and pinholes from occurring in the obtained electrode when it is used as a binder for an electrode of a nonaqueous electrolyte secondary battery. The present invention provides carboxymethylcellulose or a salt thereof of which ratio of a dry mass A to a dry mass B is less than 50 ppm when 2 liters of a 0.3 mass % aqueous solution of the dry mass B of the carboxymethylcellulose or a salt thereof is prepared, the entire amount of the aqueous solution is filtrated through a 250-mesh filter under a reduced pressure of ?200 mmHg, and the dry mass A of a residue on the filter is measured after filtration. The applications of the carboxymethylcellulose or a salt thereof are also provided.

Abstract: The present invention provides a positive electrode active material for a lithium ion battery which has high capacity and good rate characteristics. The positive electrode active material has a layer structure represented by the compositional formula: Li?(Ni?Me1-?)O?, wherein Me represents at least one type selected from the group consisting of Mn, Co, Al, Mg, Cr, Ti, Fe, Nb, Cu and Zr, x denotes a number from 0.9 to 1.2, y denotes a number from 0.5 to 0.65, and z denotes a number of 1.9 or more. The positive electrode active material is selected by measuring the coordinates of the lattice constant a and compositional ratio (Li/M) and selecting materials within the region enclosed by three lines given by the equations: y=?20.186x+59.079, y=35x?99.393, and y=?32.946x+95.78, wherein the x-axis represents a lattice constant a and the y-axis represents a compositional ratio (Li/M) of Li to M.

Abstract: The present disclosure relates to a solid oxide fuel cell. The solid oxide fuel cell includes an electrolyte comprising a mixed proton and carbonate ion conductor. The mixed proton and carbonate ion conductor includes a proton conducting ceramic impregnated with impregnated with a molten carbonate.

Abstract: Positive electrode active materials for lithium ion batteries having good characteristics are disclosed. In one embodiment, a positive electrode active material has a layer structure represented by the compositional formula: Lix(NiyMe1-y)Oz (wherein Me represents at least one type selected from the group consisting of Mn, Co, Al, Mg, Cr, Ti, Fe, Nb, Cu and Zr, x denotes a number from 0.9 to 1.2, y denotes a number from 0.80 to 0.89, and z denotes a number of 1.9 or more), wherein the coordinates of the lattice constant a and compositional ratio (Li/M) are within the region enclosed by four lines given by the equations: y=1.01, y=1.10, x=2.8748, and x=2.87731 on a graph in which the x-axis represents a lattice constant a and the y-axis represents a compositional ratio (Li/M) of Li to M, and the lattice constant c is 14.2 to 14.25.

Abstract: Ion storage electrodes formed by coating an underlying substrate with a nanofibrillar film of structured conjugate polymer nanofibers and methods of forming such electrodes are described herein. The electrical properties of the electrodes may be customized by modifying the structure of the polymer nanofibers, the thickness of the nanofiber film, and the pore size of the nanofiber films.

Abstract: A fuel cell system to be mounted on an electric vehicle such as a hybrid vehicle or an electric vehicle. Cooling water is supplied from a cooling water inlet of a stack manifold, flows through a fuel cell stack, and returns to the stack manifold. A groove is formed on the rear surface side of the stack manifold, constituting, together with a terminal, a cooling water channel. The cooling water flows through the cooling water channel, and is discharged to the outside from a cooling water outlet. The cooling water channel is formed extending from the rear side to the front side of the vehicle, and warms an end plate. A pipe length of the cooling water channel to a radiator mounted in a front part of the vehicle is reduced.

Abstract: A tubular fuel cell module having improved current collecting efficiency. In one embodiment, the fuel cell module includes: a fuel cell unit; a first current collector extending along an outer side of the fuel cell unit; and a second current collector wound around the first current collector and around the outer side of the fuel cell unit. Here, the outer side of the fuel cell unit is a curved outer side, the first current collector has a curved inner side facing the curved outer side of the fuel cell unit, and the curved inner side of first current collector is shaped to match the curved outer side of the fuel cell unit.

Abstract: The present invention discloses a microbial fuel cell stack, which comprises a plurality of microbial fuel cells and is characterized in that the microbial fuel cell includes a perforated frame, a cathode and an anode, and that the cathode wraps the perforated frame to form an anode chamber, and that the anode is arranged inside the anode chamber. Wires are respectively extended from the cathode and the anode. The microbial fuel cells are connected head to tail sequentially via pipes, and thus the anode chambers thereof interconnect each other. The first microbial fuel cell of the cell stack has a feeding port, and the last one has a discharging port.