2756results about "Current conducting connections" patented technology

An energy storage apparatus includes: an external terminal 51; an energy storage cell 62; a current interruption device 53 that has one end electrically connected to the external terminal 51 and the other end electrically connected to the energy storage cell 62; a discharge circuit 110 that discharges electricity from the energy storage cell 62 via a path that does not pass through the current interruption device 53; and a failure diagnosis device 150. The failure diagnosis device 150 discharges electricity from the energy storage cell 62 using the discharge circuit 110, and diagnoses a failure of the current interruption device 53 based on a change in voltage ΔV1 of the external terminal 51 before and after discharging electricity.

The invention relates to a battery module with a plurality of battery cells (2), in particular lithium-ion battery cells (200), and with a battery disconnect device (3), in particular an overcurrent protection device (30), which has power electronics (4) arranged on a top side (31) of the battery disconnect device (3), wherein at least one heat pipe (5) is thermally connected to a bottom side (32) of the battery disconnect device (3) facing away from the power electronics (4), and wherein the at least one heat pipe (5) is thermally connected to a temperature control element (6).

The invention provides a battery. The battery comprises a shell, a cover body, a battery cell, a pole assembly and an insulating glue layer, the cover body is buckled on the shell; the battery cell is located in a cavity defined by the shell and the cover body, and a first tab of the battery cell is conductively connected with the shell; a pole assembly arranged on the shell in a penetrating manner is connected with a second tab of the battery cell; the pole assembly comprises a connecting sheet and a pole; the insulating rubber layer is arranged between the connecting sheet and the side wall of the shell; a first hole is formed in the side wall of the shell, a second hole is formed in the insulating glue layer, the pole penetrates through the overlapping area of the first hole and the second hole, at least part of the connecting piece is exposed in the overlapping area of the first hole and the second hole, and the connecting piece exposed in the overlapping area is connected with the second tab through a first welding mark. The projection of the first welding mark does not coincide with the projection of the pole. Through the mode, compared with a riveting mode, the welding connection mode is low in cost, and the problem of poor air tightness or short circuit of the battery caused by riveting can be avoided.

The invention provides a battery device, an energy storage device and a power utilization device. The battery device comprises a single battery and an electric control assembly electrically connected with the single battery, the electric control assembly comprises a circuit board, a shell and a covering structure, and a connector socket is arranged on the circuit board; a containing cavity is formed in the shell, the circuit board is installed in the containing cavity, and an opening for the connector socket to stretch out is formed in the shell. The covering structure is arranged on the shell and surrounds the connector socket, and the covering structure at least partially covers a gap between the connector socket and the side wall of the opening. By arranging the covering structure, installing the covering structure on the shell, supporting the covering structure through the shell, arranging the covering structure around the connector socket and enabling the covering structure to at least partially cover the gap between the connector socket and the side wall of the opening, the connector socket can be protected according to the protection grade requirement. And the gap between the connector socket and the side wall of the opening is shielded, reduced or closed, so that the electric control assembly meets the required protection grade requirement.

The utility model provides a battery device and electric equipment, and solves the problem that an upper box body and an electrified body of a battery monomer are easy to generate electric appliance ignition. The battery device includes: a battery cell assembly including a plurality of battery cells having electrode terminals; the box body comprises a first part and a second part, the second part covers the first part to form an accommodating cavity for accommodating the battery monomer assembly, a first surface of the second part is provided with a convex part and / or an opening part, and the first surface is a surface, facing the electrode terminal, of the second part; and an insulator between the first surface of the second portion and the battery cell assembly. The insulating part comprises a first insulating part and a second insulating part; the first insulating part is arranged opposite to the first surface of the second part, and is provided with a hollow part for exposing the convex part and / or the opening part; the second insulating part is arranged opposite to the protruding part, and / or the second insulating part is arranged opposite to the part, exposed through the hollow part, of the first surface, and the second insulating part is provided with a first through hole communicated with the opening part.

Provided are a battery pack with structural stability of battery modules and improved energy density, and a vehicle comprising the same. The battery pack according to the present disclosure includes at least one battery module and a pack case for receiving the battery module, the battery module including a battery cell stack including at least one battery cell, and a pair of end plates provided in close contact with front and rear sides of the battery cell stack on two sides of a lengthwise direction of the battery cell, and the pack case including a tray in which the battery module is mounted on an upper surface, and a top cover of which an outer periphery is coupled in contact with an outer periphery of the tray on the upper surface of the tray when the battery module is received inside, and wherein the end plates provide a mechanical support to protect the battery cell.

Provided is a modular energy storage battery, including a battery module, a fixing frame, an electrical integration module, and a panel, wherein the fixing frame is detachably arranged at one end of the battery module; the electrical integration module is detachably embedded in the fixing frame; and the panel is detachably arranged on the electrical integration module.

A wiring module is to be attached to a battery cell stacked body in which a plurality of battery cells having an electrode terminal and being elongated in a front-rear direction are arranged in a horizontal direction, and is electrically connected to the battery cells, the wiring module including: a bus bar that is connected to the electrode lead; an FPC that is connected to the bus bar and extends in the front-rear direction; and a protector that holds the bus bar and the FPC, wherein the FPC includes: a plurality of extension parts that extend in the front-rear direction; an intersection part that extends in the horizontal direction; and a bending part, the extension parts are respectively coupled to two end portions of the intersection part in the horizontal direction, one of the extension parts includes the bending part in the vicinity of the intersection part.

The utility model discloses a household energy storage battery connection structure that takes into account both high and low voltage application scenarios. The positive electrode of the battery module is connected to the positive electrode of the upper connector of the series circuit, and is connected to the positive electrodes of the upper connector of the parallel circuit and the lower connector of the parallel circuit through the first fuse A; the BMU battery control slave board is connected to the upper connector of the series circuit and the lower connector of the series circuit respectively; the PDU power box is connected to the two-way switch through one end of the cable, the battery pack is a module stacking structure, and the positive and negative electrodes of the upper connector of the parallel circuit and the positive and negative electrodes of the upper connector of the parallel circuit of another battery pack are connected in parallel with the positive and negative electrodes of the control box; the positive and negative electrodes of the control box are connected in series with the positive and negative electrodes of the battery pack. It can take into account both high and low voltage application scenarios, and is economical, efficient and practical; and the control circuit performs autonomous switching, which solves the problem that the low-voltage household energy storage battery technology cannot meet the needs of high-voltage application scenarios, and the high-voltage household energy storage battery technology cannot meet the needs of low-voltage application scenarios.

The invention discloses a battery cell module, a battery pack and a vehicle, the battery cell module comprises a battery cell and a cold plate, the battery cell comprises a pole, the pole comprises a connecting part and a convex part, the connecting part and the convex part are riveted, a containing groove is defined between the outer wall surface of the convex part and the outer wall surface of the connecting part, and the cold plate is arranged in the containing groove. And at least part of the cold plate is matched in the accommodating groove and is in heat exchange contact with the surface of the accommodating groove. The battery cell module provided by the invention has the advantages that the heat dissipation effect of the pole is good, the space utilization rate of the battery pack is high, the shape design of the accommodating groove is flexible, and the manufacturing cost of the accommodating groove is low.

An external connection bus bar to be connected to a storage element group having a plurality of storage elements and having an output electrode terminal for outputting electric power to an external circuit includes a main body portion to be connected to the output electrode terminal, an external connection terminal to be connected to an external circuit, and a circuit board connection portion to be soldered to a bus bar land provided on the circuit board. The external connection terminal is provided between the main body portion and the circuit board connection portion.

An electrical connection for a vehicle and methods of forming an electrical connection for a vehicle. The electrical connection includes a first electrical component including a first joining area. The electrical connection also includes a conductor including a second joining area. The conductor is joined at the second joining area to the first joining area of the first electrical component. In addition, the electrical connection includes a fusion zone formed in the first electrical component in the first joining area. The conductor includes a copper-graphene multilayer composite formed on the surface of the conductor, the composite including at least one of the following composite structures: a) alternating layers of graphene and copper deposited on the substrate, b) graphene particles dispersed in a copper matrix, and c) alternating layers of graphene and copper deposited on a copper foil, wherein the copper foil is wrapped around the substrate.

The embodiment of the utility model provides a pressing assembly and an assembling system, and the pressing assembly comprises a stop block structure which is provided with a limiting groove matched with an electrode piece; the pressing block structure is connected with the stop block structure, and at least one end of the pressing block structure is provided with a sheet pressing piece corresponding to the limiting groove; wherein the pressing block structure is located at the first position, the stop block structure is located in the ammeter battery box, the sheet pressing piece abuts against the electrode piece, the pressing block structure moves towards the ammeter battery box to the second position, and part of the electrode piece is located in the installation groove. According to the technical scheme of the utility model, the stop block structure and the pressing block structure are utilized to realize the limiting and stable installation of the electrode piece, so that the whole assembly process is more reliable.

The invention discloses a cylindrical battery, a battery pack and electric equipment, the cylindrical battery comprises a battery shell and a battery cell arranged in the battery shell, the battery shell comprises a peripheral shell part and end face shell parts, at least one end face shell part is an electric connection output end, and the end face shell parts are arranged in the peripheral shell part. The thickness of the area where the end face shell part serving as the electric connection output end is electrically connected with the battery cell is a mm, and the area of the end face shell part is s square mm; the battery cell comprises a positive plate with a positive electrode material, the powder conductivity of the positive electrode material is b Siemens per millimeter, and the value range of b / (a * s) is 7.4 e <-14 >-7.5 e <-4 >. The value range of b / (a * s) is controlled within the range of 7.4 e <-14 >-7.5 e <-4 >, it can be guaranteed that the battery has the capacity of charging and discharging in a short time, and it can also be guaranteed that when the heat production amount is increased due to large-current charging and discharging, the safety risk when the battery is used is reduced.

The utility model discloses a battery and electric equipment. The battery comprises a battery monomer, a temperature sampling piece, a circuit board and an electric connecting piece, wherein the temperature sampling piece is used for collecting the temperature of the battery monomer; wherein the battery further comprises an electric connecting piece, the electric connecting piece is used for electrically connecting the temperature sampling piece and the circuit board, and the temperature sampling piece and the circuit board are respectively welded with the electric connecting piece. And the production efficiency of the battery can be improved.

A connector module according to an embodiment of the present invention includes a first connector including a first connector housing that is recessed therein to define a first recessed portion and a first conductive part coupled to the first connector housing, and a second connector coupled to the first connector, wherein the second connector may include a second connector housing of which at least a portion is inserted into and coupled to the first recessed portion, a second conductive part inserted into and coupled to the second connector housing so as to be electrically connected to the first conductive part, and a coupling housing configured to pass through the second connector housing and the second conductive part so as to couple the second connector housing to the second conductive part.

The present invention provides a connection component and a conductive terminal thereof, the connection component is used to electrically connect between a battery pack and a battery management system, and includes a circuit board, a conductive terminal, a wire and a connector, the conductive terminal is connected to one end of the circuit board to electrically connect to a plurality of battery cells in a battery pack respectively, the wire is connected to the other end of the circuit board, and is electrically connected to the conductive terminal through the circuit board, each conductive terminal includes a fixed portion, a contact portion electrically connected to the corresponding battery cell, and a connecting portion connecting the fixed portion to the contact portion, the fixed portion has a base electrically connected to the circuit board and a fixed foot bent and extended from the base, the connector is connected to the other end of the plurality of wires to connect to the battery management system, and the connecting portion is arranged in a curved shape to be elastically connected between the base and the contact portion. The connection component and the conductive terminal of the present invention can stably collect signals.

A battery cell 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.

A battery cell, a battery, and an electrical device are disclosed. The battery cell comprises: a casing assembly, comprising a casing and a first pole, the first pole comprising a pole body and a first cover plate, the pole body being mounted in the casing, and the first cover plate being arranged on the pole body; and a cell assembly, comprising an active material coating portion and a conductive portion connected to the active material coating portion, the active material coating portion being accommodated in the casing, and the conductive portion being connected to the pole body by means of a first welding portion. The first welding portion is at least partially located on the side of the pole body away from the active material coating portion, and the first cover plate is used for shielding the first welding portion.

To obtain a battery module that can reduce the man hour of welding and stabilize bonding strength at welding between a bus bar and a plurality of electrode leads.SOLUTION: A battery module 11 includes a plurality of battery cells 20 stacked on each other, a bus bar 30 electrically connected to electrode leads 26 of the battery cells, a welding part 50 that, at an overlap part 30A where a plurality of end parts of the electrode leads are overlapped on the bus bar, bonds the end parts and the bus bar, and a heat input part 60 that is formed at a position overlapping with the welding part in at least one of the electrode lead and the bus bar, where the heat input property in a bonding direction is made higher than that in the other part.SELECTED DRAWING: Figure 5

The invention discloses a new energy storage battery wire harness and a connector thereof, and belongs to the field of new energy storage batteries. Comprising a connecting box, a butt joint box is integrally formed on the front surface of the connecting box, a plurality of power wire harnesses are fixedly connected to the rear surface of the connecting box, one-way plugging ports are fixedly connected to the positions, located in the connecting box, of the front ends of the power wire harnesses, and a plurality of two-way plugging ports are integrally formed between the connecting box and the butt joint box. A connecting plug II is clamped in the two-way connecting port; the device is electrically connected with the power source body through the power wire harness, when the power utilization device is communicated with a power source through the external wire harness, the second connecting plugs are inserted into the two-way plugging ports, and then the two first connecting plugs are controlled to be inserted into the corresponding first one-way plugging ports and the two-way plugging ports respectively, so that the power utilization device is communicated with the power source; and a plurality of electric devices can be butted and communicated with the power supply.

The utility model relates to a battery assembly structure and a battery module. A bracket in the battery assembly structure is provided with a first through hole group; the electric connecting plate is arranged on the bracket; a first plate surface of the electric connection plate is provided with a first connection terminal group, a second plate surface of the electric connection plate is provided with a second connection terminal group, and the first connection terminal group is connected with the second connection terminal group; the second connecting terminal group is arranged corresponding to the first through hole group; the first connecting terminal group is connected with the soft package battery cell group, so that the soft package battery cells contained in the soft package battery cell group can be connected to the first connecting terminal group in series or in parallel, and the soft package battery cells can be assembled and replaced for use, so that the use of high-power equipment can be met; the second connecting terminal group of the electric connecting plate is arranged corresponding to the first through hole group of the bracket, so that an electric load or an external power supply can be directly connected with the second connecting terminal group through the first through hole group, the electric load or the external power supply is electrically connected with the soft package battery cell group, and the replacement and assembly process of the soft package battery cells is simplified.

A battery pack structure, characterized by comprising: a housing (10), the housing (10) having a first cavity (101) arranged to receive a battery module and a second cavity (102) arranged along a first direction on one side of the first cavity (101); and a BMS (20) and a BDU (30), wherein the BDU (30) is arranged within the second cavity (102) and the BMS (20) is arranged outside the second cavity (102) and is connected to a bottom plate of the housing (10).

The invention provides a battery device and a power utilization device, and relates to the technical field of batteries, the battery device comprises at least one battery monomer assembly, a signal acquisition assembly and a battery monitoring module; the battery monomer assembly comprises a plurality of battery monomers arranged along a first direction; the signal acquisition assembly is used for acquiring information of single batteries of the single battery assembly, the signal acquisition assembly comprises a wire harness group and a first connector, and the first connector is connected to one end of the wire harness group; the battery monitoring module is provided with a second connector, and the second connector is in plugging cooperation with the first connector, thereby reducing the space occupied by the communication connection between the signal collection assembly and the battery monitoring module. The risk of sampling failure caused by interference wear between the first connector and the second connector and the high-voltage box, the confluence component and the inner wall of the box body of the battery device is reduced, and the reliability of the battery device is improved, so that the reliability of the battery device is improved, and the cost of the battery device can be reduced.

A battery pack includes an assembled battery, a lower case, an upper case, and a bus bar module which includes an external connection positive terminal and an external connection negative terminal, a side wall of the upper case has an external connection connector attached thereto in advance, the external connection connector includes an external connection positive bus bar having one end fastened to the external connection positive terminal and an external connection negative bus bar having one end fastened to the external connection negative terminal, and the upper case is attached to the lower case so that the one end of the external connection positive bus bar and the external connection positive terminal will be arranged to be fastenable to each other and the one end of the external connection negative bus bar and the external connection negative terminal will be arranged to be fastenable to each other.

The invention provides a battery module and a battery pack. The battery module comprises a plurality of battery cell groups which are arranged at intervals along a first direction; the cold rows are arranged at intervals in the first direction, and the cold rows are arranged between every two adjacent battery cell groups; and the plurality of connecting terminals are arranged at one ends of the cold rows, the connecting terminals and the cold rows are arranged in a one-to-one correspondence manner, the adjacent cold rows are communicated with each other through the connecting terminals, the connecting terminal on the cold row far away from the most downstream is provided with a shunting port, and the shunting port is used for discharging the cooling liquid in the cold rows.

The utility model discloses a tab penetrating device and assembling equipment of a battery. The battery comprises a shell and an electrode assembly, the shell is provided with a containing cavity, a through hole communicated with the containing cavity and the outside is formed in the shell, the electrode assembly is arranged in the containing cavity, and the tab penetrating device is used for guiding a tab part of the electrode assembly to extend out of the through hole. The tab penetrating device comprises a clamping mechanism and a driving mechanism, the clamping mechanism comprises a first clamping piece and a second clamping piece which are movably connected, and a clamping space with an adjustable opening and closing angle can be formed between the first clamping piece and the second clamping piece. And the driving mechanism is in transmission connection with the first clamping piece and / or the second clamping piece so as to drive the first clamping piece and / or the second clamping piece to move to adjust the size of the opening and closing angle. And the driving mechanism is configured to drive the first clamping piece and / or the second clamping piece to move, so that the first clamping piece and the second clamping piece can clamp the tab part to pass through the through hole and extend out of the accommodating cavity. Through the mode, the assembly difficulty of the battery can be effectively reduced.

The invention relates to a battery device and a power utilization device, the battery device comprises an electrode assembly and an electrolyte, the electrode assembly comprises a positive pole piece and a negative pole piece, the positive pole piece comprises a positive pole lug, a positive pole current collector and a positive pole active material layer, and the negative pole piece comprises a negative pole lug, a negative pole current collector and a negative pole active material layer; the positive electrode active material layer comprises lithium-containing phosphate of an olivine structure; the negative electrode active material layer comprises graphite particles of which the Dv50 is 8.5-13.5 [mu] m; the single-side coating weight of the negative electrode active material layer is 110 to 150mg / 1540.25 mm < 2 >; the positive tab is connected to one side of the positive current collector along the width direction of the positive pole piece, and the negative tab is connected to one side of the negative current collector along the width direction; the electrolyte comprises a silane-based additive, a lithium salt additive and an unsaturated ester additive. According to the invention, the energy density, rapid charging and use reliability of the battery device can be considered.

To reduce the size of a battery module while improving assemblability of the battery module. A battery package includes an insulating substrate having a first surface, a second surface located opposite to the first surface, and a recessed portion. The battery package includes a first external electrode located on the second surface and a second external electrode located on the second surface. The battery package includes a first electrode located on an inner side surface of the recessed portion and electrically connected to the first external electrode, and a second electrode located on the inner side surface of the recessed portion and electrically connected to the second external electrode.

The utility model discloses an adapting structure, an inversion device and outdoor operation equipment, the adapting structure is configured to be electrically connected with electrical equipment, the electrical equipment comprises a first conductive assembly, and the adapting structure comprises a second conductive assembly movably arranged on the adapting structure. The power connection equipment can drive the second conductive assembly to move and form electric connection with the first conductive assembly. The second conductive assembly can be electrically connected with the electrical equipment through driving of the electrical equipment, and the design is ingenious.