Abstract: A power feeding system feeds power to a vehicle equipped with a battery. The power feeding system includes: an accommodation portion including a heat insulating material and configured to accommodate the vehicle; a power feeding unit configured to feed power to the battery of the vehicle accommodated in the accommodation portion; a power feeding controller configured to control the power feeding to the battery by the power feeding unit; and a temperature sensor configured to detect temperature inside the accommodation portion. The power feeding controller is configured to control the power feeding to the battery such that the temperature detected by the temperature sensor is within a temperature range suitable for keeping the battery warm.

Abstract: A battery module includes a battery cell stack including a plurality of battery cells stacked in a first direction; an exterior member configured to surround front and rear sides and two opposite lateral sides of the battery cell stack; and sensing blocks positioned at front and rear sides of the battery cell stack, in which the sensing blocks are positioned between the exterior member and the front and rear sides of the battery cell stack, and in which upper and lower sides of the battery cell stack are exposed.

Abstract: A battery pack includes a pack housing including a lower frame and a side frame; and one or more battery modules accommodated in the pack housing. The battery module includes a plurality of cell stacks in which a plurality of battery cells are stacked in a first direction; and a plurality of end plates fastened to the lower frame. The plurality of end plates and the plurality of cell stacks are alternately disposed in the first direction.

Abstract: Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.

Abstract: A battery system includes a fluid tube that cools busbars of a battery module having one or more cells. The fluid tube is constructed of an electrically insulative/thermally conductive material. Thus, the fluid tube can be affixed directly onto the surface of the busbar. The fluid tube can be used with chilled water to reduce the temperature of the busbars and hot water to increase the temperature of the busbars. The fluid tube can be affixed to the busbars using a flexible joint material that allows for the expansion and contraction of the busbars. The flexible joint material an electrically insulative/thermally conductive material. The joint material can include a resin and conductive powder.

Abstract: A three-stage thermal management design of battery module, battery device, and battery system is provided, which not only prevents the battery cells from being impacted by the environment temperature, but also efficiently controls the temperature of the battery cells, such that the battery cells can reach the requirements of temperature equalization and appropriate opening temperature. The thermal management design of the battery module is mainly a design of a battery cell charging and discharging circuit having heat exchange.

Abstract: Discussed are a battery module, and a battery pack and a vehicle including the battery module. A battery module may includes a plurality of battery cell stacks, each battery cell stack including a plurality of battery cells that are stacked therein, a case to accommodate the plurality of battery cell stacks, an air circulation duct between the plurality of battery cell stacks and having a plurality of holes formed therein, and an exhaust fan coupled to a side of the air circulation duct, wherein the plurality of holes of the air circulation duct may have different sizes.

Abstract: Embodiments are disclosed of an energy storage unit. The unit includes a battery housing and a battery stack positioned in the battery housing. The battery stack includes N vertically stacked battery packs, N ? 2, and the N battery packs include at least a bottom battery pack and a top battery pack. N fluid channels formed in the battery housing, with each fluid channel fluidly coupled to a corresponding battery pack and extending vertically from its corresponding battery pack to the top of the battery housing. A condenser is positioned at the top of the battery housing and is fluidly coupled to the N fluid channels, so that vapor from each battery pack flows through the battery pack’s corresponding fluid channel to the condenser and liquid condensed by the condenser return to the channels of corresponding battery pack.

Abstract: A device for cooling two adjacent electrochemical cells, characterized in that the cooling device comprises a cooling body provided with a first body face suitable for being in contact with a first electrochemical cell and a second body face suitable for being in contact with a second electrochemical cell, and with a cooling channel suitable for containing a cooling liquid. The cooling channel has first open channel sections which are suitable for being closed by a wall of the first electrochemical cell and the cooling channel comprises second open channel sections which are suitable for being closed by a wall of the second electrochemical cell.

Abstract: A device for cooling or temperature control for at least one storage module of a rechargeable battery includes a first single-layer or multi-layer film and a further single-layer or multi-layer film, which are partially connected thus forming at least one coolant channel for a cooling fluid. At least one structural element is arranged between the first film and the further film, the structural element being configured to be stiffer as compared to the first film and the further film and being connected to the first film and/or to the further film.

Abstract: A battery assembly includes at least one battery module having a battery module housing defining a battery module interior, in which at least one battery cell and a refrigerant are arranged. At least one capillary assembly is arranged so as to externally abut against at least one of the at least one battery cells in such a way that it inclines obliquely starting from a first end of the battery cell towards a second end of the battery cell. The capillary assembly is configured so as to receive liquid refrigerant from a refrigerant supply arranged at the first end of the battery cell and release gaseous refrigerant into the battery module interior at least at the second end of the battery cell.

Abstract: A battery pack includes a pack frame in which a plurality of battery modules are installed to be spaced apart from each other; and a pair of a cooling member and a heat insulating member positioned under the battery module, wherein the heat insulating member is positioned between the cooling member and a bottom surface of the pack frame, and pairs of cooling members and heat insulating members respectively positioned under battery modules adjacent to each other among the plurality of battery modules are spaced apart from each other.

Abstract: A battery cell assembly includes a first battery cell, a second battery cell disposed to face the first battery cell, a protective member disposed between the first battery cell and the second battery cell, and a support member coupled to at least one side of the protective member and supporting the protective member. The protective member includes a heat insulating member preventing heat propagation between the first battery cell and the second battery cell.

Abstract: A pouch-type, capacitor-assisted battery cell includes: N negative electrodes, where N is an integer greater than one, each of the N negative electrodes includes a first current collector, first particulate electrode material, and a first tab; P positive electrodes, where: P-M ones of the P positive electrodes include a second current collector, second particulate electrode material, and a second tab, M ones of the P positive electrodes include a third current collector, third particulate electrode material including activated carbon (AC) arranged on opposite sides of the third current collector, and a third tab, and P=N?1 and M=2; separators arranged between the N negative electrodes and the P positive electrodes; and a pouch enclosure surrounding the N negative electrodes, the P positive electrodes and the separators; where the M ones of the P positive electrodes are located approximately equidistant from a center of the P positive electrodes.

Abstract: An energy storage apparatus includes: a plurality of electrode assemblies that are cylindrical, and a film outer body including a plurality of housing portions that individually wrap the plurality of electrode assemblies; and a sealing portion that seals each housing portion and connects the plurality of housing portions to each other. The film outer body is bent or curved between the housing portions adjacent each other to extend in a zigzag manner.

Abstract: A button-type secondary battery includes an electrode assembly; a lower can into which the electrode assembly is disposed; and an upper can configured to cover an opening of an upper end of the lower can. A beading part recessed inward is provided in an upper portion of the lower can. An end of the upper can has a bent shape so the upper can and the lower can are coupled to each other while an end point of the end of the upper can is inserted into the beading part.

Abstract: A battery cell includes a housing, an electrode assembly, an end cover, and a current collecting member. The housing has an opening, the electrode assembly has a tab, the electrode assembly is configured to be accommodated in the housing, the end cover is configured to cover the opening, and the current collecting member is configured to connect the end cover to the tab to implement electrical connection between the end cover and the tab. The current collecting member is welded to the tab to form a first welded portion and a second welded portion, the current collecting member is welded to the end cover to form a third welded portion, the first welded portion is on an inner peripheral side of the third welded portion, and the second welded portion is on an outer peripheral side of the third welded portion.

Abstract: Disclosed is a battery cell, which includes an electrode assembly including a cell body and an electrode tab provided to at least one side of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead coupled to the electrode tab and extending from the cell case, and a tab protection module accommodated in the cell case and configured to cover at least a portion of the electrode tab, the tab protection module including a lead positioning guide and a corresponding positioning guide insert portion adapted to receive the positioning guide insert portion, wherein the positioning guide insert portion is configured to couple to the electrode lead to guide a position of the electrode lead relative to the cell case.

Abstract: A seal assembly for a battery cell comprises a cross-linked grommet having an opening. A current collector has a head and a stem extending from the head, the stem and the grommet forming an interference fit at the opening. The grommet comprises a cross-linked polymer. A method of manufacturing a battery cell with a cross-linked grommet comprises forming a grommet comprising a precursor polymer material, thereby forming a pre-formed grommet, exposing the pre-formed grommet comprising the precursor polymer material to a cross-linking treatment, thereby forming a cross-linked grommet, and incorporating the cross-linked grommet in a battery cell.

Abstract: A negative electrode sheet may comprise a negative electrode current collector and a negative electrode film layer, at least one surface of the negative electrode current collector may be superposedly provided with two or more negative electrode film layers, adjacent negative electrode film layers may be bonded at a plurality of bonding points by a conductive adhesive having a raised structure, and there may be a gap between the adjacent negative electrode film layers at non-bonding points.

Abstract: A solid state thin film battery including a plurality of solid state cells and a termination region is disclosed. Each cell is connected to the termination region by a current collector which includes a deformation element configured to deform under a lower load than the rest of the current collector. The properties, for example the geometry and/or materials of the portion of the current collector that forms the deformation element, may differ with respect to the properties of the rest of the current collector. Methods of manufacturing and operating such a battery are also disclosed.

Abstract: Embodiments of the present disclosure relates to the technical field of mobile power supply, and a battery module of a battery-replacement outdoor power supply is provided. The battery module of the battery-replacement outdoor power supply is incorporated into a battery compartment of the battery-replacement outdoor power supply and includes a battery pack, a housing, and a quick connector penetrating through the housing. One end of the quick connector is electrically connected to the battery pack, and the other end of the quick connector is detachably connected to a slot in the battery compartment.

Abstract: An electrochemical apparatus and an electronic device, the electrochemical apparatus including a housing, an electrode assembly, and a first electrode. The housing includes a first part and a second part that are interconnected, where the electrode assembly is accommodated in an accommodating cavity of the first part. The first electrode includes a first inserting portion and a first flange portion, where the first flange portion and the first inserting portion are integrally formed, the first flange portion embeddedly snap-fits into the second part, the first flange portion is connected to the electrode assembly, and the first inserting portion extends away from the accommodating cavity and protrudes from an outer surface of the second part.

Abstract: A cell carrier for a battery module, a battery module including the cell carrier, and a method of assembling a battery module are provided. The cell carrier includes a multi-sided base. The multi-sided base includes a plurality of through-holes arranged in a predetermined pattern. Each through-hole includes an inner sidewall configured to hold one of a plurality of battery cells.

Abstract: A deep-sea battery apparatus and a method for assembling the deep-sea battery apparatus. The deep-sea battery apparatus includes a casing, an upper cover), a battery pack, a pressure compensation assembly, and a fastening plate assembly. The upper cover is sealingly connected to a top of the casing, the battery pack is disposed inside the casing, the pressure compensation assembly is disposed in the casing and on a side of the battery pack, and the fastening plate assembly is annular in shape and sealingly sleeved and connected at a connection between the casing and the upper cover.

Abstract: The present disclosure is directed to a power tool system including at least a first power tool and a second power tool wherein the first power tool and the second power tool have distinct interfaces for mating with a removable, rechargeable battery pack and a first battery pack having a first interface to mate with the first power tool and a second battery pack having a second interface to mate with the second power tool. The second battery pack does not mate with the first power tool and the first battery pack does not mate with the second power tool. The system furth includes an adaptor to enable the first battery pack to operate with the second power tool.

Abstract: A vehicle and a power battery installation structure are provided, each includes a rear longitudinal beams; a lower crossbeam with ends connecting the rear longitudinal beams; an upper crossbeam with ends connecting the rear longitudinal beams, the upper crossbeam and the lower beam arranged in sequence from front to rear of a vehicle; and a power battery installation plate below the upper crossbeam and connecting the upper crossbeam, the rear end of the power battery installation plate connected to the lower crossbeam. Load received by the power battery installation plate may be transmitted along two paths, so that the crossbeam structure of the vehicle body is more evenly stressed. The power battery installation plate may be modified to match different battery structures, thus increasing efficiency of vehicle model development and use rate of components.

Abstract: The present invention discloses a battery holder for a light electric vehicle (1). Battery holder (30) comprises a fixed end (80) and a moving end (84). The fixed end (80) comprises at least one pivot surface (81) arranged to provide a pivot to the battery (20) during the insertion and detachment of the battery (20). The moving end (84) comprises a latch support (101), a locking unit (150) and a latch (108). The latch (108) comprises an axle (102), and an arm (110) arranged to rotate around the axle (102), and an extender (120) arranged to extend and contract the latch (108) telescopically in relation to the arm (110). The extender 120 comprises a latch tongue (130) arranged to hold the battery (20). The latch (108) also comprises a force unit (123) and a torsion unit (103).

Abstract: Disclosed are a battery replacement device for vehicles, a dual-floating hoisting battery replacement station and a battery replacement system. The battery replacement device for vehicles includes a battery module, a first floating structure and a fixing device, the fixing device is used to fix the battery module on the longitudinal beam of the vehicle, the fixing device includes a fixing substrate, the first floating structure is provided between the battery module and the fixing substrate, and the first floating structure is used to alleviate a vibration amplitude of the battery module.

Abstract: A system and method for a subterranean energy storage and retrieval system, having constructed a subterranean battery from a repurposed wellbore with ganged cells with an electrical connection attached to the battery at the surface of the wellbore. A cooling system cools the battery cells downhole. A pressure activated switch is normally open until the battery cells are resting on the bottom hole retainer.

Abstract: A rechargeable battery pack which is designed to be detachably received in a receiving bay of an electric handheld power tool and/or a charging station, wherein the rechargeable battery pack has at least one rechargeable battery cell which is arranged within a housing of the rechargeable battery pack, wherein the rechargeable battery pack has a mechanical lock with a release position and a locked position, wherein the mechanical lock is designed to prevent the rechargeable battery pack from being received in the receiving bay in the locked position, and wherein the mechanical lock is tripped by an increase in volume of the rechargeable battery cell.

Abstract: A battery module has a housing element made of a metallic material and a cover element made of a metallic material, which elements are connected to one another by a plurality of screw connections such that, by forming a common interior configured to receive a plurality of battery cells, an electrical contact is made between the housing element and the cover element. The housing element or the cover element also forms a rib, and a direct mechanical contact is made between the rib of the housing element and the cover element or rib of the cover element and the housing element. A first sealing element is arranged between the housing element and the cover element such that the interior is fluidically sealed against the environment, with the plurality of screw connections and the rib being arranged outside of the first sealing element.

Abstract: A battery device and an assembling method of the battery device are provided. The battery device includes a box frame, and battery groups and first beams located in the box frame. An adhesive layer is provided between the each of the first beams and a first side surface of the adjacent battery group, and the adhesive layer is formed as the first beam and the first side surface of the adjacent battery group are mutually pressed in a first direction. A side of one of the first beams located at an end portion facing away from the battery groups is adjacent to the box frame and is separated from the box frame by a first set interval. The first set interval is configured to allow the first beam at the end portion to move towards the first side surface of the battery group for adhering.

Abstract: A battery case includes L-shaped plates. One L-shaped plate is composed of a bottom part and a wall part. The bottom part is located between base ends of support pillar members and a bottom plate and joined to the bottom plate. The wall part is placed against outer lateral surfaces of the support pillar members and mechanically joined to these outer lateral surfaces. Another L-shaped plate is composed of a bottom part and a wall part. The bottom part is located between base ends of support pillar members and the bottom plate and joined to the bottom plate. The wall part is placed against outer lateral surfaces of the support pillar members and mechanically joined to these outer lateral surfaces.

Abstract: An electronic device includes a detachable battery holder holding a battery. A positive terminal and a negative terminal of the electronic device are arranged side by side. The battery holder constitutes a battery unit together with the battery and a spacer defining the position of the battery. A positive terminal and a negative terminal of the battery unit are arranged side by side on one end side. The battery holder has an upright wall portion formed at one end of the battery holder and configured to come into contact with and support the battery so as to expose the positive terminal and the negative terminal. At least one pair of the positive terminal and the negative terminal, and the positive terminal and the negative terminal is formed to be contractible.

Abstract: A battery pack includes a cell assembly; and a pack case accommodating the cell assembly in an internal space, wherein the pack case includes a lower plate having a plate shape and a frame disposed to protrude upwardly from the lower plate, wherein the frame has an inlet through which flame flows from the cell assembly into the internal space of the frame, and a flow path through which the flame flowing in from the inlet flows, wherein the flow path is formed by a partition wall disposed in the length direction of the frame, and wherein at least two or more of the partition walls are spaced apart from each other in the height direction of the frame such that a direction of the flow path is able to be changed.

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked, a first frame member accommodating the battery cell stack and having an open upper portion, a second frame member covering the battery cell stack from an upper portion of the first frame member, a connection portion coupling the first frame member and the second frame member to each other, and an insulating sheet disposed between the battery cell stack and the second frame member, wherein the insulating sheet is disposed to extend up to a region in which the connection portion is positioned.

Abstract: Described herein are battery assemblies that comprise lithium-metal electrochemical cells and pressure-applying structures disposed adjacent to the cells and applying uniform pressure to the cells. Specifically, this uniform pressure is applied between a minimum threshold and a maximum threshold at any operating state of charge of these cells and, in some examples, over the entire operating lifetime of the cells. A pressure-applying structure can be positioned between a pair of adjacent cells or between a cell and an assembly enclosure. In some examples, the footprint of the pressure-inducing structure fully covers the footprint of the negative-electrode planar portion. The pressure-inducing structure may have a stress relaxation of less than 5% and/or a compression set of less than 10%. The pressure-inducing structure may remain in an elastic deformation region at any operating condition. In some examples, the pressure-inducing structure is foam or aerogel.

Abstract: A high-capacity battery comprises an enclosure, a group of battery cells arranged inside the enclosure, and cover plates arranged on two opposite sides of the enclosure. The cover plates serve as positive and negative poles of the battery. The group of battery cells are composed of a plurality of battery cells with similar performance, which are grouped by capacity, voltage, internal resistance, and self-discharge, etc., and connected in shunt, and all battery cells in the group share the same electrolyte system. The pole lugs of the group of battery cells are connected to the cover plates, and the cover plates are connected to the enclosure in an insulated and sealed manner.

Abstract: Embodiments described herein relate generally to systems and methods for improving safety features in electrochemical cells. In particular, the systems and methods as described herein can solve safety issues concerning gas generation in electrochemical cells.

Abstract: A battery module includes a plurality of battery cells; and a module case accommodating the plurality of battery cells, wherein the module case include an upper plate positioned on the plurality of battery cells and a lower plate positioned below the plurality of battery cells, each having a channel in which a coolant flows, the upper plate and the lower plate include a melting spot which melts when heated in a first plate in contact with the plurality of battery cells, and the upper plate includes a vent hole and a first sealing cap in a second plate which faces the first plate, the vent hole through which gas is forced out, and the first sealing cap configured to seal the vent hole and made of a thermomeltable material.

Abstract: A battery pack according to an aspect of the present disclosure includes a secondary battery and a battery case that houses the secondary battery. The battery case includes an exhaust section that exhausts gas exhausted from the secondary battery to outside of the battery case. The exhaust section includes at least one slit that is opened along with deformation of the exhaust section occurring in accordance with an increase in pressure in the battery case. In the exhaust section, the slits preferably reversibly operate due to the pressure in the battery case.

Abstract: A cell tab with an integrated rupture valve for a battery cell. The cell tab includes a base body having a first part and a second part. A plastic material is arranged on the surface of the base body between the first part and the second part. A first opening is arranged on the first part, and a second opening is arranged on the second part. An inner channel extends between the first opening and the second opening in the interior of the base body. A rupture disc is arranged on the second opening is gas-tight and thus provides a rupture valve.

Abstract: A pressure equalization device for a housing has a base body and a closure element with a flow path between them being open in a normal operating state of the pressure equalization device. A flow opening in the flow path is spanned by a membrane. An emergency venting spike projects from the closure element toward the membrane. The pressure equalization device transitions after emergency venting into an emergency operating state in which the closure element gas-tightly closes the base body. A housing with such a pressure equalization device is provided. In a method for pressure equalization with such a pressure equalization device between a housing interior and an environment, gas exchange between interior and environment is performed through the membrane and the flow path between closure element and base body. During emergency venting, the membrane is destroyed by the emergency venting spike. The closure element then closes the base body.

Abstract: A battery pack includes a pack housing having an internal space; and a battery module including a plurality of battery cells and accommodated in the internal space, wherein the pack housing includes a support frame opposing at least one side of the battery module and having a venting passage formed therein, and wherein the support frame includes a plurality of guide blocks inserted into the battery module; and an opening disposed between the plurality of guide blocks and communicating with the venting passage and the internal space.

Abstract: Illustrative examples of an apparatus may include a quenching chamber configured to direct a heat flow from a battery cell compartment to a vent. The quenching chamber may be configured to extinguish a flame present in the heat flow before the heat flow reaches the vent. In other examples, a method includes receiving a heat flow from a battery cell compartment comprising a plurality of battery cells at a quenching chamber. The method further comprises directing the thermal runaway heat flow through the quenching chamber to a vent.

Abstract: Discussed is a battery module that may include a cell assembly having battery cells arranged to face each other in an arrangement direction, a bus bar assembly coupled to a side surface of the cell assembly on which electrode leads of the battery cells are located, and guide blades arranged in front of the bus bar assembly in a direction corresponding to the arrangement direction of the battery cells, wherein each of the guide blades can have a plate surface facing at least one battery cell from among the battery cells, and is coupled to the bus bar assembly to rotate by a certain angle due to a gas pressure of a gas, when the gas is generated in the at least one battery cell.

Abstract: A battery pack may include a pack housing including an accommodation space and a venting passage connecting the accommodation space to outside, a partition wall member partitioning the accommodation space, a plurality of pack units including battery cells, the plurality of pack units disposed in the accommodation space, and a blocking unit provided between the accommodation space and the venting passage, the blocking unit blocking a substance generated in the pack unit from entering the venting passage.

Abstract: Fabricating a composite solid-state electrolyte (SSE) membrane by infiltrating a porous polymer substrate with a mixture which comprises: (i) polymer precursor, (ii) ceramic nanoparticles with diameters that range from 10 to 2000 nm, (iii) plasticizer and (iv) lithium salt. Curing the mixture yields a solid-state electrolyte which is formed within pores of the substrate. A continuous roll-to-roll system for manufacturing of large-dimension, flexible, ultrathin, high ionic conductivity (SSE) membrane advances a porous polymer substrate through a coating module, multifunctional module for post-treatment curing and calendar unit. The SSE membrane is used in all solid-state lithium-ion electrochemical pouch cells. The SSE membrane exhibits high ionic conductivity over wide temperature range, especially high value in low temperature (?40° C.).

Abstract: A solid electrolyte membrane and a solid-state battery including the same are provided. The solid electrolyte membrane includes composite particles having pores filled with a phase transformation material as fillers, which provides high ion conductivity and mechanical strength of the solid electrolyte membrane, while minimizing the amount of the phase transformation material.