Abstract: Disclosed are a secondary battery comprising a negative electrode composed of two or more negative electrode plates and a method of manufacturing the secondary battery, wherein each of the negative electrode plates includes a lithium by-product layer formed through pre-lithiation reaction on a negative electrode current collector coated with a negative electrode active material, wherein an inorganic substance layer is formed on a negative electrode tab that is extended from an end at one side of the negative electrode current collector and is composed of an active material-non-coated portion not coated with the negative electrode active material, and negative electrode tabs of the negative electrode plates are electrically connected with one negative electrode lead to form a negative electrode terminal.

Abstract: An electrochemical battery including: a battery module comprising at least one electrochemical cell; an air supplier configured to supply air to the battery module and constantly maintain an oxygen concentration in the air that is supplied to the battery module; and an air recirculator configured to recirculate air exhausted from the battery module, wherein the battery module comprises an air inlet port though which air is introduced from the air supplier, and an air outlet port through which air remaining after a reaction in the at least one electrochemical cell is exhausted, and wherein the air recirculator is configured to recirculate the air exhausted through the air outlet port of the battery module to the air inlet port of the battery module.

Abstract: A nonaqueous electrolyte secondary battery separator, which includes a porous film containing a polyolefin-based resin as a main component, has a difference of not more than 2.5 between (a) a white index measured on a surface of the porous film which has not been irradiated with ultraviolet light having 255 W/m2 and (b) a white index measured on the surface of the porous film which has been irradiated, for 75 hours, with the ultraviolet light having 255 W/m2.

Abstract: A battery for an electric vehicle includes first and second pairs of modules in electrical communication with each other. The first pair of modules includes a first module and a second module. The second module is in electrical and thermal communication with the first module via a first plurality of outer bus bars. The second pair of modules includes a third module and a fourth module. The fourth module is in electrical and thermal communication with the third module via a second plurality of outer bus bars. The first and second pairs of modules are coupled to each other via a first inner connecting bus bar and a second inner connecting bus bar proximate to a center region of each of the second and third modules.

Abstract: The negative electrode includes a current collector, a negative electrode active material layer arranged on a surface of the current collector, and a protective layer arranged on a surface of the negative electrode active material layer. The negative electrode active material layer includes a first negative electrode active material having an aspect ratio defined as “a”/“b” to fall in a range of from two or more to eight or less when a length of the major axis is defined “a” and a length of the minor axis is defined “b.” The protective layer includes a ceramic powder.

Abstract: According to one embodiment, an electrode structure is provided. The electrode structure includes a current collector, an active material layer provided on at least one surface of the current collector, and a separator layer provided on the active material layer. The separator layer includes a first region, and a second region which is adjacent to the first region and exists in the inside of the first region. An outline of a principal surface of the active material layer overlaps the first region of the separator layer, and a thickness of at least a part of the first region is thicker than a thickness of the second region.

Abstract: Provided is a tray capable of receiving batteries having various sizes. The tray includes a housing provided with a receiving portion for receiving a secondary battery. It also includes a blocking portion coupled to the housing to cross the receiving portion for adjusting the size of the receiving portion.

Abstract: An object is to maintain the voltage of a fuel cell at a desired voltage level and suppress a voltage variation, even in the case of a low load request. A power supply system including a fuel cell causes at least part of a required electric power to be supplied from the fuel cell in an ordinary load state. In a low load state, the power supply system supplies an amount of oxygen that is required to make the voltage of the fuel cell equal to a predetermined target voltage and that is less than an amount of oxygen supplied to the fuel cell in the ordinary load state, to the fuel cell. In a first low load state, the power supply system sets the target voltage to a first target voltage and supplies oxygen to the fuel cell.

Abstract: An exemplary electrified vehicle assembly includes a battery pack, a cabin heater, and a coolant loop that communicates liquid coolant from the battery pack to the cabin heater. The cabin heater configured to heat a cabin of a vehicle with thermal energy from liquid coolant.

Abstract: In a fuel gas circulation apparatus, a diffuser is accommodated in an attachment hole of a body. An injector is provided upstream of the diffuser through an attachment. A vibration absorption member made of elastic material is provided between a proximal end of a large diameter portion of this diffuser and a distal end of a main body in the attachment, and a ring member is provided adjacent to the vibration absorption member.

Abstract: Two or more series-connected sets are arranged in a vertical direction and connected in series through an interstage wire. Each of the two or more series-connected sets includes two or more module batteries that are arranged in a horizontal direction and connected in series through an intrastage wire. The main pole feedthrough part penetrates through a side wall of the container. The main pole terminal is disposed outside the case. An insulator of the main pole supporter insulates a first coupling part and a second coupling part from each other. The first coupling part is coupled to the base, and the second coupling part is coupled to the main pole terminal. The two or more cells are housed in an accommodation space and charged and discharged via the main pole.

Abstract: An apparatus including an open interconnected wall structure having one or more pores, the open interconnected wall structure including a first electrode material, the pores including an electrolyte and a second electrode material, wherein the electrolyte and second electrode material are supported on the first electrode material within the pores such that the first electrode material is separated from the second electrode material by the electrolyte to enable the generation and/or storage of electrical energy using the apparatus.

Abstract: A solid-state hydrogen storage device and a solid-state hydrogen storage system are provided. The solid-state hydrogen storage device includes a storage unit that stores a first hydrogen storage material therein and a heat medium pipe that is disposed in the storage unit including a heat medium and a second hydrogen storage material. The heat medium pipe includes a separating pipe disposed therein to separate the heat medium and the second hydrogen storage material from each other, and the second hydrogen storage material is disposed in the separating pipe.

Abstract: A method of forming diffusion barrier layer includes providing an interconnect for a fuel cell stack, forming a glass barrier precursor layer over a Mn and/or Co containing electrically conductive contact layer on the interconnect, and heating the barrier precursor layer to precipitate crystals in the barrier precursor layer to convert the barrier precursor layer to a glass ceramic barrier layer.

Abstract: The present disclosure relates to a case for a secondary battery and a secondary battery having the same. More specifically, it relates to a case for a secondary battery having a washer for detecting leakage with a structure improved so as to check leakage of an electrolyte and a secondary battery having the same. A lithium ion secondary battery according to the present disclosure provides an effect of easily checking the leakage of an electrolyte with naked eyes through the color change of a washer when a trace amount of the electrolyte leaks.

Abstract: A power generation system includes a gas turbine having a compressor, a combustor, and a turbine, an inlet guide vane in an air intake port in the compressor, a first compressed air supply line for supplying compressed air compressed by the compressor to the combustor, a solid oxide fuel cell (SOFC) having an air electrode and a fuel electrode, a second compressed air supply line for supplying at least part of the compressed air compressed by the compressor to the air electrode, a control valve in the second compressed air supply line, and a control device for opening the control valve when the SOFC is activated and changing a degree of opening of the inlet guide vane from a preset reference degree of opening.

Abstract: Disclosed herein is a stacked/folded type electrode assembly configured to have a structure in which a plurality of unit cells, each of which includes a positive electrode having an electrode mixture including an electrode active material applied to a current collector, a negative electrode having an electrode mixture including an electrode active material applied to a current collector, and a separator disposed between the positive electrode and the negative electrode, is wound in the state of being arranged on a sheet type separation film, wherein the unit cells include one full cell and three or more bi-cells, the outermost unit cells of the electrode assembly are each configured such that an electrode forming the outside of the electrode assembly is configured as a single-sided electrode, in which no electrode mixture is applied to the surface of the current collector facing the outside of the electrode assembly, and the single-sided electrodes are electrodes having the same polarity.

Abstract: A battery pack (50) comprising at least one battery module (10) with a plurality of battery cells (2) which are held together by at least one holding element (31, 32). The at least one battery module (10) is arranged in a housing (70), wherein the at least one holding element (31, 32) is attached to the housing (70) by fixing elements (41, 42, 43, 44).

Abstract: Systems and methods are disclosed for enhancing the construction and application of batteries by providing a battery system comprising at least one electrochemical panel with at least one electrochemical cell disposed therein, which is configured to enable multi-purpose functionality and applicability of the battery system. Embodiments provide for electrodes and/or current collectors of each electrochemical cell that are transversely orientated with respect to each face of an electrochemical panel. Some embodiments provide for a separator pouch disposed about at least one electrode and/or current collector to electrically insulate the electrode and/or current collector from a structure component of the device. Each electrochemical panel is configured to enable electrical communication with another electrochemical panel and/or an ancillary electric circuit. Each electrochemical panel is configured enable utilization thereof as a structural component of an ancillary structure.

Abstract: To provide a structure which allows production of an electrode, even if the film thickness of an electrode is increased; and a non-aqueous electrolyte secondary battery using the same.