Abstract: A membrane humidifier has a housing and a membrane stack. The membrane stack includes two first stack sides aligned parallel to the assembly direction. The membrane humidifier has a sealing device with two first sealing frames, each with an inner sealing surface and an outer sealing surface. The housing has two first housing sealing surfaces. The first sealing frames are in sealing contact with the inner sealing surfaces on the first stack sides. The first sealing frames are in contact with the outer sealing surfaces on the first housing sealing surfaces. The outer sealing surfaces of the first sealing frames and the first housing sealing surfaces of the housing are each aligned at a mounting angle to the first stack sides and to the mounting direction that is not zero. In addition, an arrangement is provided which includes the membrane humidifier and the sealing device for the membrane humidifier.

Abstract: A nonaqueous electrolyte secondary battery comprises a positive electrode that contains, as positive electrode active materials: (A) a lithium transition metal composite oxide that has a volume-based D50 of 0.6 ?m to 3 ?m and that consists of secondary particles comprising aggregated primary particles with an average particle diameter of 0.5 ?m or more or is configured of substantially one kind of particle; and (B) a lithium transition metal composite oxide that has a volume-based D50 of 6 ?m to 25 ?m and that consists of secondary particles, comprising aggregated primary particles with an average particle diameter of 0.3 ?m or less.

Abstract: This negative electrode is provided with a negative electrode current collector, and a negative electrode mixture layer formed on the negative electrode current collector, wherein: the negative electrode mixture layer comprises a first layer arranged on the negative electrode current collector, and a second layer arranged on the first layer; the second layer includes graphite particles A having a particle internal porosity of at most 10%: the first layer includes graphite particles B having a particle internal porosity of more than 10%; and the second layer has a water contact angle of at most 50°.

Abstract: The invention provides a soft pack battery module and its electricity supply thereof. The battery units, which are independent and complete modules, are utilized to be contacted to each other to form the battery cell with the serial connection, the parallel connection or both. There only have charges transferred rather than electrochemical reactions occurred between the battery units. Also, the metallized plastic film package is utilized to pack the battery cell. The inner electrically-conductive area of the metallized plastic film package is directly contacted to the electric power outputs of the battery cell to form electrical connections. Therefore, the problems caused by the need for additional wires can be avoided and the surface area the current path of the battery cell can be maximized.

Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte for a lithium secondary battery includes a lithium salt, an organic solvent, and a compound represented by Formula 1. In some embodiments, a lithium secondary battery includes a positive electrode, a negative electrode, and the electrolyte.

Abstract: A battery pack includes: a plurality of battery cells arranged in rows that are parallel with a first axis, wherein the battery cells arranged in the rows adjacent to each other in a second axis crossing the first axis are forwardly or backwardly misaligned with each other with respect to the first axis; and a plurality of bus bars having a zigzag shape and forming a plurality of parallel modules by connecting corresponding ones of the battery cells arranged in the second axis in parallel.

Abstract: A battery module includes a plurality of battery sub-packing units including at least one battery cell and a case in which the at least one battery cell is accommodated, and a body frame unit surrounding upper portions and outermost side portions of the plurality of battery sub-packing units, where lower portions of the plurality of battery sub-packing units are directly exposed to the outside.

Abstract: An all-solid-state battery includes a positive electrode current collector layer; a positive electrode active material layer; a negative electrode current collector layer; a negative electrode active material layer; a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer and formed of a solid electrolyte; and at least one of a first intermediate layer formed between the positive electrode current collector layer and the positive electrode active material layer, and a second intermediate layer formed between the negative electrode current collector layer and the negative electrode active material layer.

Abstract: A method for flattening the proton exchange membrane for the fuel cell and an apparatus therefor are used in flattening the proton exchange membrane which is soaked with phosphoric acid. The control precision of this method can be higher than the traditional adsorption method. The mechanical transfer of proton exchange membrane can be realized so that the processing efficiency of proton exchange membrane in the process of fuel cell membrane electrode assembly is greatly improved.

Abstract: An all-solid lithium ion secondary battery includes a laminate including a positive electrode layer, a negative electrode layer which is alternately laminated with the positive electrode layer, a solid electrolyte which is interposed at least between the positive electrode layer and the negative electrode layer, and an insulating outermost layer which is positioned at both ends in a lamination direction and does not contain lithium ions.

Abstract: Disclosed is an electrode assembly formed in a structure in which a plurality of positive electrodes with bundled positive electrode tabs and a plurality of negative electrodes with bundled negative electrode tabs are alternately stacked, each of the bundles of electrode tabs includes a first surface connected to a corresponding electrode lead and a second surface opposite the first surface, the first surface includes a plurality of first pressure welding portions and a plurality of first non-pressure, the second surface includes a plurality of second pressure welding portions and a plurality of second non-pressure welding portions The area of one of the first pressure welding portions is less than the area of one of the second pressure welding portions.

Abstract: A battery containment system is provided that includes a unitary battery tray having a bottom and walls that from the bottom of said tray and defining a cavity within the tray. A cover is includes having a cover body portion and a first flange extending from the cover body portion, the cover body portion configured to overlie the cavity within the tray and the walls of the tray, the first flange of said cover configured to extend beyond the walls of the tray. A shield having a shield body portion and a second flange extending from the shield body portion, the shield body portion is configured to underlie the bottom of the tray, the second flange of the shield is configured to extend beyond the bottom of the tray and configured to engage the first flange of the cover.

Abstract: The present disclosure relates to an electrode assembly having a stack form of an electrode, a separator and a counter electrode, in which each of the electrode and the counter electrode includes a tab extending from a current collector; the electrode is larger than the counter electrode at four sides including a side from which the tap extends thereof, to have an exposed portion; and an insulation layer is formed on a tab portion of the electrode and on an edge portion of the electrode.

Abstract: A battery system for a vehicle includes a battery tray having a base wall, a plurality of side walls, and a cover that collectively define a receiving zone. A vent includes an inlet and an outlet exposed to the battery receiving zone. A battery is supported by the base wall. A battery electronic controller (BEC) is arranged in the receiving zone and directly connected to the battery.

Abstract: A positive active material for a rechargeable lithium battery includes a lithium nickel-based composite oxide and a lithium manganese composite oxide, wherein the positive active material includes a surface-modifying layer including lithium fluoride on the surface of at least one of the lithium nickel-based composite oxide and the lithium manganese composite oxide. The lithium nickel-based composite oxide includes a secondary particle in which a plurality of plate-shaped primary particles are agglomerated, and the secondary particle has a regular array structure in which (003) planes of the plurality of primary particles are aligned or oriented normal to the surface of the secondary particle. The lithium manganese composite oxide is present in two or more types of crystal lattice structures.

Abstract: A terminal member includes a swaging-joined portion. An inner peripheral wall of the connection hole of the conductive member includes: a first region along an insertion direction of the terminal member; a tapered region located on the electrode assembly side with respect to the first region, the tapered region being a region in which a diameter of the connection hole is increased in a direction away from the first region; and a second region located between the first region and the tapered region. An intersection angle (?2) of the second region with respect to the first region is larger than an intersection angle (?1) of the tapered region with respect to the first region. A width of the second region along a radial direction of the connection hole is smaller than a width of the tapered region along the radial direction of the connection hole.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case configured to be connected to the first electrode to accommodate the electrode assembly, and including an opening to receive the electrode assembly; a cap plate configured to be coupled with the case to cover an outer area of the opening, and including a through-hole to expose a central area of the opening; and a terminal plate configured to be connected to the second electrode and to be insulation-bonded to the cap plate, and including a flange portion covering the through-hole, and a protrusion penetrating the through-hole from the flange portion.

Abstract: A battery module includes: one or more cell assemblies; a main housing comprising a main boundary portion surrounding an accommodation space in which the one or more cell assemblies are positioned; a first plate comprising a first boundary portion coupled with the main boundary portion and a first exposure portion exposed from the main boundary portion and defining a side of a cooling fluid passage for cooling the accommodation space; and a second plate facing the first plate and comprising a second boundary portion coupled with the main boundary portion and a second exposure portion exposed from the main boundary portion and defining an other side of the cooling fluid passage.

Abstract: A lithium electrode and a lithium secondary battery including the same, which includes a first protective layer and a second protective layer sequentially formed on at least one surface of lithium metal layer. The second protective layer contains a cross-linked ion conductive electrolyte in the interior and on the surface of the electrically conductive matrix, and thus the first protective layer has higher ion conductivity than the second protective layer, thereby preventing electrons from being concentrated into lithium dendrites formed from the lithium metal to inhibit the growth of lithium dendrites, and at the same time, physically inhibiting the growth of lithium dendrites by the second protective layer.

Abstract: A negative electrode including a negative electrode active material layer and an additive. The additive includes a metal sulfide. The additive is distributed in the negative electrode active material layer, and/or distributed on the surface of the negative electrode active material layer. The negative electrode effectively improves the performance of the lithium ion battery, and greatly improves the capacity and cycle performance of the lithium ion battery.