8021results about "Cell component details" patented technology

Provided is a battery including a positive electrode layer, a negative electrode layer, and an electrolyte layer disposed between the positive electrode layer and the negative electrode layer, in which the electrolyte layer contains a polymer having an ability to preferentially conduct metal ions, and a thickness ratio between the positive electrode layer and the electrolyte layer is 10:1 to 0.5:1.

This invention relates to a biomass-based gel electrolyte membrane, its preparation method, and its application. The method includes preparing regenerated cellulose using a sol-gel method, adding sodium alginate and zinc chloride solution, and rapidly constructing a biomass-based composite gel electrolyte with a dual-network structure through metal ion coordination crosslinking. The biomass-based gel electrolyte membrane is obtained by adsorbing an aqueous electrolyte onto a gel membrane with a dual-network structure. This gel electrolyte membrane is then assembled with a zinc anode and a vanadium pentoxide cathode to obtain a zinc-ion battery. This invention features a simple method, readily available and inexpensive raw materials, easy product molding, convenient operation and control, and is conducive to industrial production. The prepared composite gel electrolyte membrane has a dual-network structure, exhibiting good stability, liquid retention capacity, and ionic conductivity, and demonstrates excellent cycle capacity and lifespan when applied to aqueous zinc-ion batteries.

To provide an energy storage device that facilitates the installation of multiple energy storage cells in appropriate locations. [Solution] The energy storage device comprises a first energy storage cell having a first electrode terminal (electrode terminal 11), a second energy storage cell having a second electrode terminal (electrode terminal 12), and a wiring board. The wiring board has a substrate 201, a first conductor member (conductor member 211a) connected to the first electrode terminal, and a second conductor member (conductor member 211b) connected to the second electrode terminal. The energy storage device further comprises a component (intermediate member 40B) located between the first energy storage cell and the second energy storage cell. A recess h4 is formed in the substrate 201. The component has a protrusion M4 that projects toward the wiring board and enters the recess h4.

The application discloses a kind of double-face rubberizing equipment of battery tab, including backplate, adhesive tape supply line, outlet guide roller, linear slide rail, take tape gas claw, telescopic cylinder, stop gas claw, double-knife gas claw, the backplate is provided with two-way adhesive tape supply line, the adhesive tape supply line converges to a pair of outlet guide roller, the backplate is reversely installed with a pair of linear slide rail with outlet guide roller as origin, the linear slide rail outer end is provided with the take tape gas claw opposite outlet guide roller, the take tape gas claw is pulled by telescopic cylinder being arranged in the inner end of linear slide rail, the outlet guide roller surface is matched with stop gas claw.By the above mode, the application provides a kind of double-face rubberizing equipment of battery tab, since integrating double tiger mouth on take tape gas claw and stop gas claw, therefore can build double-way adhesive tape channel, and the relative position of double-knife gas claw and adhesive tape channel is controlled using perpendicularity correction slider, to accurately and efficiently realize double-face rubberizing process.

A battery assembly for an electric vehicle is provided that has a housing, one or more battery units, and a mounting system. The housing includes a concave shell extending from an upper portion of the housing toward a bottom portion of the housing. The concave shell is disposed around an internal space. A cover is coupled with an edge of the concave shell. The one or more battery units are disposed within the internal space of the housing. The mounting system is for connecting the battery assembly to a vehicle frame.

A battery replacement device includes a first lifting frame that is capable of being raised and lowered, a second lifting frame that is capable of being raised and lowered in a direction opposite to that of the first lifting frame, a linear connecting member that has one end portion connected to the first lifting frame and the other end portion connected to the second lifting frame, a driving unit that moves the connecting member, and a pulley that supports the connecting member, wherein the driving unit moves the connecting member to cause the second lifting frame to be lowered as the first lifting frame is raised, and moves the connecting member to cause the second lifting frame to be raised as the first lifting frame is lowered.

The present invention provides a power storage cell capable of suppressing the exposure of the insulating support layer due to crack formation in the conductive layer laminated on the insulating support layer. [Solution] The energy storage cell 100 comprises an electrode body 10 and a case 20 that houses the electrode body 10. The electrode body 10 includes a first electrode 10A. The first electrode 10A has an insulating support layer 110 and a first conductive layer 111 and a second conductive layer 112 formed on the insulating support layer 110. Each of the first conductive layer 111 and the second conductive layer 112 is formed of flaky metal powder 113.

This design increases the storage space within the battery pack while suppressing overheating of electronic devices by the junction box. [Solution] The vehicle 1 comprises an exhaust pipe 50, a battery pack 100, a junction box 300, electronic equipment 400, and a base 600. The exhaust pipe 50 is located outside the battery pack 100. The battery pack 100 houses the junction box 300, the electronic equipment 400, and the base 600. The electronic equipment 400 is mounted on the base 600. When viewed from above, the base 600 is located between the exhaust pipe 50 and the junction box 300, and is aligned with the junction box 300 in the width direction of the vehicle 1.

To provide an energy storage cell that allows for a simplified configuration of the wound electrode body. [Solution] The energy storage cell 100 comprises a conductive winding core 90, a wound electrode body 10 including a first electrode sheet 10A and a second electrode sheet 10B wound around the winding core 90, and a first connecting member 50A and a second connecting member 50B positioned opposite the wound electrode body 10 in the Z direction in which the winding core 90 extends. The winding core 90 has a rectangular parallelepiped shape. The first electrode 91 of the winding core 90 is connected to the first electrode sheet 10A and the first connecting member 50A, respectively. The second electrode 92 of the winding core 90 is connected to the second electrode sheet 10B and the second connecting member 50B, respectively.

The present application provides a separator, a manufacturing method thereof, and a secondary battery, a battery module, a battery pack, and a power consumption device including the separator, wherein the separator includes a substrate and a coating applied to at least one surface of the substrate, the coating includes 40-90 wt% of first organic particles, 2-15 wt% of a pressure-sensitive adhesive, and optionally 0-50 wt% of second organic particles, wherein the first organic particles include an organic polymer and an inorganic material, and the pressure-sensitive adhesive includes an organic polymer and a plasticizer. The separator according to the present application has good ion conduction ability and adhesion performance at room temperature, and does not adhere under the action of a pressure of ≦1 MPa, but obviously adheres under the action of a pressure of ≧2 MPa, which can obviously improve the structural stability and ion conduction of electrochemical devices, and at the same time, can balance the manufacturing yield and dynamic performance requirements of battery cores.

In an energy storage device, a reinforcing member is disposed between an energy storage module and an electrical device. An intermediate member is disposed between the energy storage module and the electrical device. The intermediate member is disposed between an upper plate and the reinforcing member. An electrical connection member electrically connects the energy storage module and the electrical device. A holding member includes a retaining portion and a holding portion. The retaining portion is disposed between the upper plate and the intermediate member. The retaining portion retains the intermediate member. The holding portion holds the electrical connection member. The holding portion is in contact with the intermediate member in a horizontal direction.

The application provides a diaphragm, a preparation method and application thereof, wherein the diaphragm comprises a substrate and a coating layer, the substrate comprises a polyolefin; the coating layer is arranged on at least one surface of the substrate, and the coating layer comprises aramid fiber grafted with a polar group. The diaphragm provided by the application can control the functions of rapid ion transmission and uniform distribution by virtue of the excellent thermal stability of the aramid fiber grafted with a polar group, and is helpful to realize the cycle stability and safety of an electrochemical device such as a battery under high rate and high temperature.

A motor vehicle includes a vehicle body structure including a vehicle frame having parallel frame rails. The motor vehicle also includes a powerplant supported by the vehicle frame and configured to generate torque and a multi-cell rechargeable energy storage system (RESS) having a plurality of battery cells configured to supply electrical energy to the powerplant. The motor vehicle additionally includes a structural member positioned perpendicular to and fixed to each of the parallel frame rails, thereby reinforcing the vehicle frame. The structural member is arranged proximate to the RESS. At least one coolant passage is arranged within the structural member and is configured to circulate coolant to adjust temperature of the plurality of battery cells.

The present invention provides a battery module that manages the emission of toxic gases, utilizes an exhaust structure and gas filtration device to discharge gases in the event of thermal runaway inside the battery module, avoids the risk of explosion due to abnormal pressure or temperature increases, and optimizes the coolant circulation path to reduce fluid resistance. [Solution] A single-layer immersion-cooled battery module comprises a tank, a top lid, and a gas filtration device. Battery cells and a battery management circuit board are housed within the tank, which is filled with insulating coolant to immerse the battery cells and circuit board. A gas discharge passage and a depressurized superheat release device are provided between the tank and the top lid to control the pressure or temperature within the sealed space. The depressurized superheat release device automatically opens the gas discharge passage based on the pressure or temperature within the sealed space to discharge the generated gas. The gas filtration device is located above the top lid, covers the depressurized superheat release device, has a gas discharge opening, and filters and adsorbs the generated gas before discharging it.

The present invention relates to an electrode assembly in which a plurality of electrodes, in which an electrode foil is coated with an electrode slurry, and separators are repeatedly stacked, and an electrode tab is formed at an end of each of the electrodes. The electrode tabs are characterized by comprising: a tab part which protrudes from the electrode foil and in which a first metal layer, a polymer layer, and a second metal layer are stacked, and one side along the width direction is set as a first region and the other side is set as a second region; a first extension foil of which one end is stacked on one surface among the upper surface and the lower surface of the tab part and is stacked in the first region of the tab part; and a second extension foil of which one end is stacked on the other surface among the upper surface and the lower surface of the tab part and is stacked in the second region of the tab part.

Battery cell characterized in that it comprises a stacked electrical core, wherein the stacked electrical core comprises a cathode foil and an anode foil, wherein the cathode foil comprises a cathode collector and a cathode film layer provided on at least one side of the cathode collector, wherein the cathode film layer comprises lithium-containing transition metal phosphate particles provided with a carbon material on at least part of a surface; wherein a median C50 of the degree of graphitization in the cumulative distribution curve for the graphitization C value of the cathode film layer, obtained in the area-scanning mode of the laser microconfocal Raman spectrometer, is 0.95–1.20; wherein the graphitization C value is IG / ID, where IG is the intensity of the G-peak of the Raman spectrum at 1580 ± 100 cm⁻¹ and IG is the intensity of the D-peak. of the Raman spectrum at 1350±100cm-1;where the density of the cathode foil when the battery cell is in a fully discharged state is 2.3 g / cm3-2.6 g / cm3;

This disclosure provides a battery pack and eyeglasses. The battery pack includes at least two batteries and a contour-adaptive conductive assembly. Each battery is disposed near at least one end of the eyeglass housing, and at least one battery is disposed at each opposite end of the eyeglass housing. The contour-adaptive conductive assembly is disposed near the center of the eyeglass housing and between the at least two batteries. The contour-adaptive conductive assembly has at least two flexible cycloids. Each flexible cycloid is adapted to the contour extension of the eyeglass housing and is disposed near at least one battery. Each battery is electrically connected to at least one flexible cycloid to output current through the contour-adaptive conductive assembly. When the contour of the eyeglass housing changes, the flexible cycloids can be adjusted to re-adapt to the contour of the eyeglass housing, making the battery pack compatible with different styles of eyeglasses and ultimately significantly reducing costs.

The application discloses a battery monomer, a battery device, an energy storage device, an energy storage system, a power consumption device and a charging network. The battery monomer comprises a shell, an electrode assembly and a switching assembly. The shell is provided with two electrode lead-out portions. The electrode assembly has two tabs with different polarities. The switching assembly comprises an insulating piece and two switching pieces arranged at intervals. The switching piece comprises a first connecting portion and a second connecting portion connected with each other. The second connecting portions of the two switching pieces are electrically connected with the two electrode lead-out portions respectively. The first connecting portions of the two switching pieces are welded with the two tabs respectively and form two welding marks. The insulating piece comprises a first insulating portion and a second insulating portion connected with each other. The first insulating portion is located between the first connecting portions of the two switching pieces. The first connecting portion has a first surface and a second surface arranged oppositely. At least one of the first surface and the second surface is covered with the second insulating portion. The second insulating portion is provided with an avoiding area for avoiding the corresponding welding mark.

This invention relates to the field of battery technology, providing a cell cover and a cell. The cell cover includes: a cover body comprising a substrate and a boss, the boss protruding from the substrate along its thickness direction, and a through hole penetrating the boss; a terminal post passing through the through hole and protruding from the boss; and a protective component comprising a patch and a plastic part. The patch is attached to the substrate and has a through hole for the boss to pass through. The plastic part includes a retaining portion and a covering portion. The retaining portion is in contact with the side of the patch away from the substrate and surrounds the through hole. The covering portion is connected to the end of the retaining portion away from the patch and forms a window. The terminal post is opposite the window, and the covering portion is attached to the top surface of the boss and / or the end face of the terminal post. This cell cover can protect the terminal post position through the boss and the protective component, preventing electrolyte from reaching the terminal post position and affecting the safety performance of the cell.

The application discloses a battery cell, a battery and a power utilization device. The battery cell comprises a shell, an electrode assembly, an electrode lead-out piece and an insulating support. The electrode assembly is accommodated in the shell and comprises a main body part and a first tab, the first tab extending from an end of the main body part in a first direction. The electrode lead-out piece is arranged on the shell and electrically connected to the first tab. The insulating support is accommodated in the shell and arranged in the first direction with the main body part, a part of the insulating support is located between the electrode lead-out piece and the shell, a side of the insulating support facing the main body part is provided with a first accommodating recess, and at least a part of the first tab extends into the first accommodating recess. The embodiment of the application can improve reliability by providing the insulating support.

To provide an energy storage device that can protect the underside of the energy storage cell from gas while avoiding a significant increase in costs. [Solution] The energy storage device 10 comprises a plurality of energy storage cells 100 arranged in one direction, a bottom wall 212 positioned below the plurality of energy storage cells, and a panel member 230 provided below the bottom wall, which together with the bottom wall defines a smoke exhaust path S. A safety valve SV is provided on the lower surface of each energy storage cell. The bottom wall 212 has a plurality of vulnerable parts 213, each positioned opposite to each safety valve.

A serial connection apparatus includes a connector group including first to mth connector modules, each of which includes a first connector and a second connector, and a wire bundle. The first connector of the first connector module is connected to a first power terminal of a charge / discharge unit. The second connector of the mth connector module is connected to a second power terminal of the charge / discharge unit. The second connector of a jth connector module (j is a natural number less than m) is connected to the first connector of a (j+1)th connector module via the wire bundle. When an ith cell slot (i is a natural number of m or less) is empty, the first connector of an ith connector module is electrically connected to the second connector of the ith connector module via the wire bundle.

The present disclosure provides a secondary battery including an electrode assembly in which a positive electrode and a negative electrode are alternately stacked and a separator is disposed between the positive electrode and the negative electrode, a positive electrode housing which covers the electrode assembly and remains electrically connected to the positive electrode, a negative electrode housing which covers the electrode assembly and remains electrically connected to the negative electrode, and a case which is coupled to the positive electrode housing and the negative electrode housing to seal the electrode assembly, wherein the positive electrode and the negative electrode on which a notching process is not performed are coupled to the positive electrode housing and the negative electrode housing, respectively, and a method of manufacturing a secondary battery.

In the present disclosure, a battery pack is provided. The battery pack includes a plurality of battery cells each having a shell, a cell, and a plurality of terminals. An accommodation space is defined inside the shell, the cell is disposed in the accommodation space, at least a first surface and a second surface are provided on the shell, the terminals are disposed on the cell, and the plurality of battery cells extend from the first surface of the shell. An electrical connection member is disposed opposite to each of two adjacent first surfaces and is electrically connected to each of two adjacent terminals so as to electrically connect two adjacent battery cells. A heat transfer member is provided that can transfer heat from the electrical connection member to the second surface.