Abstract: Provided is a manufacturing method of a compacted strip-shaped electrode plate including: an undried layer forming step of forming, on a current collector foil, a strip-shaped undried active material layer by rolling out a particle aggregate; a drying step of drying the undried active material layer to form an active material layer; and a pressing step of pressing the active material layer by rollers to compact the active material layer. The particle aggregate is a mixed particle aggregate in which first wet particles manufactured with the content ratio of conductive particles to the total solid content set to W1 and second wet particles manufactured with the content ratio of conductive particles to the total solid content set to W2, W2 being higher than W1, are mixed together.

Abstract: A stack holding apparatus comprising a stacking platform on which sheet members are stacked, a pressing mechanism constantly pressing the stacking platform toward an upper side in the stacking direction of the sheet members stacked on the stacking platform, a pair of clamp rods arranged in parallel with a front-back direction of the stacking platform so as to face the two left and right sides of the stacking platform, clamp arms fixed to the clamp rods and clamping the sheet members stacked on the stacking platform from an upper side in the stacking direction, slide mechanisms making the clamp rods move parallel to the stacking direction, and tilt mechanisms making the clamp rods tilt so that the clamp arms open to an upper side in the stacking direction while moving away from the stacking platform and further so that the clamp arms approach the stacking platform while closing to the lower side in the stacking direction.

Abstract: A method for manufacturing an anode for a cable-type secondary battery, includes forming a lithium-containing electrode layer on the outer surface of a wire-type current collector; and surrounding the outer surface of the lithium-containing electrode layer with a substrate for forming a polymer layer spirally, and pressing the outside of the substrate for forming a polymer layer to form a polymer layer on the lithium-containing electrode layer, wherein the polymer layer includes a hydrophobic polymer, an ion conductive polymer, and a binder for binding the hydrophobic polymer and the ion conductive polymer with each other. An anode obtained from the method and a cable-type secondary battery including the anode are also provided.

Abstract: A battery module is provided. The battery module includes pouch-type battery cells stacked on each other and electrically connected in series and/or in parallel. Toward an electrode lead of one pouch-type battery cell, electrode leads of other pouch-type battery cells are biased to allow ends of the electrode leads to be overlapped. In particular, each of the pouch-type battery cells has an R bending portion at which a boundary region between a terrace of a pouch case and the electrode leads is bent toward a direction in which the electrode leads are biased.

Abstract: A system comprising one or more battery modules mounted in a rack assembly has a structure which defines a cooling air pathway for flowing cooling air across the side and/or bottom of each battery module thereby cooling the battery module, or alternatively, across the energy calls in the battery module. Further, the system has a structure which defines a thermal runaway gas pathway for flowing thermal runaway gases from a battery module out of the system. The system structure is configured to ensure that the cooling air pathway and thermal runaway gas pathway are physically separated, thereby minimizing the risk of the thermal runaway gas substantially mixing with cooling air thereby potentially resulting in a spontaneous ignition and an explosion.

Abstract: The present invention relates to a housing for a battery. In the case of coolant leakage, the housing includes an absorbent layer disposed on a bottom portion and an insulating film covering a portion of the absorbent layer in order to improve operational safety.

Abstract: A battery module includes a cooling plate including a housing, a first manifold coupled to one end of the housing, and a second manifold coupled to another end of the housing; and at least one battery pack arranged on the cooling plate, wherein the housing includes therein a plurality of flow paths and a plurality of hollows passing through the housing from the one end to the other end, and the plurality of flow paths and the plurality of hollows are arranged alternately and in parallel to each other.

Abstract: A method for horizontally splitting rolled-up web material in the sample thickness. A carbon fiber nonwoven is moved in relation to a knife structure in order to split off a layer or successively several layers from a roll web. The one layer or several layers are continuously removed in the form of a roll from the carbon fiber nonwoven after the splitting process.

Abstract: The disclosure provides a filamentary positive electrode for solid battery, a solid battery having the filamentary positive electrode for solid battery, a manufacturing method of the filamentary positive electrode for solid battery, and a manufacturing method of the solid battery having the filamentary positive electrode for solid battery. The structure of a positive electrode that constitutes a solid battery is a filamentous structure. A positive electrode active material layer including a positive electrode active material is provided on a surface of a conductive positive electrode filament, and a positive electrode electrolyte layer including an electrolyte is further provided on an outer side of the positive electrode active material layer to form a filamentary positive electrode for solid battery. The filamentary positive electrode for solid battery and a filamentary negative electrode for solid battery, which has a filamentous structure, are laminated to form a solid battery.

Abstract: Disclosed is a negative electrode material including: a lithium silicate phase that contains a lithium silicate; and silicon particles that are dispersed in the lithium silicate phase, wherein the silicon particles have a crystallite size of 10 nm or more, and the lithium silicate has a composition represented by the following formula: Li2Si2O5.(x?2)SiO2, where 2<x?18 is satisfied.

Abstract: The present disclosure provides a secondary battery, which includes an electrode assembly, a case, a cap assembly and a first insulating tape. The electrode assembly comprises an electrode unit. The electrode unit comprises a positive electrode plate, a negative electrode plate and a separator. The electrode unit is a winding structure and in a flat shape, and an outermost turn of the negative electrode plate is positioned at an outer side of an outermost turn of the positive electrode plate. The case comprises a first side wall and an accommodating cavity, the electrode assembly is accommodated in the accommodating cavity, the case is electrically connected with the positive electrode plate, and the cap assembly is connected with the case. The first insulating tape is positioned between the electrode assembly and the first side wall and closely attached to an outer surface of the electrode assembly.

Abstract: A power tool includes a housing, a battery coupled to the housing, and a battery cover which covers at least a portion of the battery. The battery cover includes an expandable portion. The expandable portion is moveable from a collapsed position to an expanded position. When the expandable portion is in the collapsed position, the battery cover has a first internal area. When the expandable portion is in the expanded position the battery cover has a second internal area. The first internal area is less than the second internal area.

Abstract: Apparatuses, systems, and methods of providing electric power to components in electric vehicles are detailed herein. A housing can have a bottom panel and side walls defining a cavity. The bottom panel can define an inlet port and an outlet port. A battery module can be disposed within the cavity. A support structure can be on one side wall. The support structure can have a conduit to pass coolant through the housing. A cold plate can be disposed within the cavity and thermally coupled with the battery module. The cold plate can have an inlet, an outlet, and a channel to circulate the coolant from the inlet to the outlet. A distribution plate can be disposed along a bottom surface of the bottom panel. The distribution plate can have a main channel to convey the coolant from the conduit to the cold plate.

Abstract: A battery pack includes a battery block including a battery cell, and a battery holder configured to accommodate the battery cell and having at least a first opening portion; a battery pack case configured to accommodate the battery block and having at least a second opening portion; a first sealant disposed at least between a first peripheral end face of a first terminal portion of the battery cell and the battery holder; and a second sealant disposed at least between a second peripheral end face of a second terminal portion of the battery cell and the battery holder, wherein the first sealant is fixed by the first peripheral end face of the first terminal portion and the battery holder, and the second sealant is fixed by the second peripheral end face of the second terminal portion and the battery holder.

Abstract: A method for fabricating a Lithium-Ion reserve battery, the method including: assembling an operational Lithium-ion battery having an anode, cathode, separator membrane between the anode and cathode and an electrolyte; charging the assembled Lithium-ion battery; disassembling the Lithium-ion battery by separating the anode, cathode and separator membrane and removing the electrolyte; rinsing and drying the disassembled cathode and anode; reassembling the rinsed and dried cathode and anode with a new separator membrane between the anode and cathode and without the electrolyte to provide the Lithium-Ion reserve battery; and discharging the Lithium-Ion reserve battery.

Abstract: A pouch-type secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed therebetween, a pouch-type case configured to wrap around the electrode assembly, a first pair of insulative films disposed in a predetermined region of an edge of the pouch-type case, a positive electrode lead, one side of which is electrically connected to a positive electrode current collector of the electrode assembly and another side of which protrudes out of the case between the first films, a second pair of insulative films disposed in a predetermined region of the edge of the pouch-type case, a negative electrode lead, one side of which is electrically connected to a negative electrode current collector of the electrode assembly and another side of which protrudes out of the case between the second films, and a gas discharge member interposed between the first or second films.

Abstract: Disclosed is a battery module, which includes: at least one battery cell having electrode leads protruding at first and second opposite sides thereof; and at least one cell case each covering the first and second sides and an upper side of a corresponding one of the at least one battery cell and each including a pair of bus bars each having one end connected to a corresponding one of the electrode leads and another end exposed at an upper side of the cell case.

Abstract: The present disclosure provides a polymer solid electrolyte comprising a high molecular polymer and a lithiated carbon dot, wherein the lithiated carbon dot is obtained by lithiating a carbon dot with lithium hydroxide. The present application also provides a method for preparing a lithiated carbon dot and a method for preparing a polymer solid electrolyte. In the polymer solid electrolyte provided in the present application, the lithiated carbon dot is used as lithium salts, and the introduction of the lithiated carbon dot effectively reduces the crystal phase of the polymer matrix in the electrolyte, and significantly improves the electrochemical properties such as the ionic conductivity and ionic mobility of the polymer solid electrolyte.

Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.

Abstract: Provided by the present disclosure is a batten pack in which both battery performance and durability of an all solid state battery are improved. Provided is a battery pack provided with a plurality of single batteries and a constraining mechanism. The constraining mechanism constrains the arranged single batteries in such a way that stress exists in the direction of compression along the arrangement direction. In addition, in a direction which intersects the arrangement direction, when a direction in which the external connection terminals extend is deemed to be a first direction and the direction opposite the first direction is deemed to a second direction, the constraining mechanism is configured in such a way that the stress increases from the first direction towards the second direction.