151results about "Primary cell details" patented technology

A battery including: a battery can including a cylinder portion including an opening edge portion at one end portion of the cylinder portion and a bottom portion that closes the other end portion of the cylinder portion; an electrode body; a sealing member that seals an opening of the opening edge portion. The sealing member includes: a sealing plate; a cap connected to the sealing plate and electrically insulated from the sealing plate; and a sealing portion sealing a space between the cylinder portion and the cap. The cap includes: a ring-shaped top plate portion opposing the opening edge portion in an axial direction of the cylinder portion; and a side wall portion covering an outer circumferential surface of the cylinder portion. The sealing portion may be a gasket provided between the cap and the cylinder portion in a compressed state. The cap is electrically connected to the cylinder portion.

Provided is a system and medical device that includes self diagnosing control switches. The control switch may be slidable within a slot in order to control activation of some function of the medical device. Due to natural wear and tear of movement of a control switch, the distances along the sliding slot that correspond to how much energy is used for the function may need to be adjusted over time in order to reflect the changing physical attributes of the actuator mechanism. The self diagnosing control switches of the present disclosures may be configured to automatically adjust for these thresholds using, for example, Hall effect sensors and magnets. In addition, in some cases, the self diagnosing control switches may be capable of indicating external influences on the controls, as well as predict a time until replacement is needed.

The utility model provides a positioning bracket and a battery, and relates to the technical field of batteries. The positioning support comprises a limiting plate, an abutting piece and a first insulating piece. A first through hole is formed in the limiting plate, and the limiting plate is configured to limit the expansion of the positive electrode of the lithium thionyl chloride battery; the abutting piece is arranged on the side, away from the positive electrode, of the limiting plate, and the abutting piece is configured to abut against the inner wall of a shell of the lithium thionyl chloride battery or abut against a center pole of the lithium thionyl chloride battery in the radial direction of the first through hole; the first insulating part is arranged on the abutting part, and the first insulating part is configured to insulate and isolate the abutting part from the part abutting against the abutting part. In the application, through the positioning bracket, after the positive pole absorbs liquid and expands to generate upward thrust on the positioning bracket, the positioning bracket can move upwards along with the expansion of the positive pole, so that the position of the positioning bracket is consistent with the height of the positive pole after completing liquid absorption and expansion; therefore, the position of the positioning bracket can be matched with the expansion height of the positive electrode after the lithium thionyl chloride battery is infiltrated.

The invention provides a battery cell detection method, a packaging structure, a battery cell, a battery and electric equipment, and relates to the technical field of batteries. The battery cell detection method is applied to a battery cell, and comprises the following steps: arranging an electroluminescent film on a packaging film of the battery cell, and electrically connecting the electroluminescent film with a first tab led out from the battery cell through a conductive piece; and detecting whether the electroluminescent film emits light or not so as to determine the electrical connection state of the second tab led out from the battery cell and the packaging film, thereby determining whether the battery cell is short-circuited or not. According to the battery cell detection method, the problem that defective products flow out due to the fact that whether the battery cell is short-circuited or not cannot be accurately recognized when the battery cell is offline can be solved.

The flexible battery comprising multiple power generation elements. Each of the power generation elements comprises a positive electrode, a negative electrode, and a solid electrolyte layer arranged between the positive and negative electrodes. The positive electrode comprises a positive electrode composition layer and a conductive substrate in a form of a sheet arranged on the surface of the positive electrode composition layer. The negative electrode comprises a negative electrode composition layer and a conductive substrate in a form of a sheet arranged on the surface of the negative electrode composition layer. The multiple power generation elements are arranged on a flexible substrate. Each positive electrode is directly connected to a current collector, thereby connecting the positive electrodes to each other via the current collector. Each negative electrode is directly connected to a current collector, thereby directly connecting the negative electrodes to each other via the current collector.

Disclosed is a method of controlling a modular battery powered handheld surgical instrument. The surgical instrument including a battery, a user input sensor, a controller, a radio frequency (RF) drive circuit, an ultrasonic transducer, ultrasonic transducer drive circuit, and an end effector. The end effector including an electrode electrically coupled to RF drive circuit, an ultrasonic blade acoustically coupled to the ultrasonic transducer, and a sensor to measure tissue parameters. The method includes applying an RF current drive signal to the electrode by the RF drive circuit; applying an ultrasonic drive signal to the ultrasonic transducer by the ultrasonic transducer drive circuit to acoustically excite the ultrasonic blade; controlling intensity, wave shape, and / or frequency of the RF current drive signal and the ultrasonic drive signal on a sensed measure of a tissue or user parameter.

This method for manufacturing an energy storage device comprises: a preparation step for preparing a case 11 having an opening and a sealing plate 12; a disposing step for disposing the sealing plate 12 so as to close the opening of the case 11; and a welding step for forming an annular primary light beam and an annular high-order light beam by means of an optical branching means, and welding the case 11 and the sealing plate 12 together using the primary light beam in an annular welding part W. In the welding step, at least one annular melting mark AM having a shape conforming to the annular welding part W is formed on the case 11 and / or the sealing plate 12 by the high-order light beam. Thus, it is possible to provide an energy storage device having excellent welding quality.

The disclosure relates to an aqueous electrochemical device comprising a negative electrode, a positive electrode, a separator and an aqueous electrolyte having an alkaline pH, wherein onto the positive electrode is disposed at least one layer of nanoparticles capable of being used to form a local hydronium ion rich environment at the positive electrode during operation of the device, and / or the capacity ratio between the negative electrode and the positive electrode is less than 1 so as to substantially avoid production of oxygen at the positive electrode. The electrochemical device may find particular use in large-scale energy storage.

Provided in the present application are a button lithium primary battery and a preparation method therefor, and an electronic device. The button lithium primary battery comprises a battery casing (10) and a battery cell assembly located inside the battery casing (10), wherein the battery cell assembly comprises a negative electrode (3), a negative-electrode modification membrane (4), separators (5, 6) and a positive electrode (7), which are sequentially stacked; a recess (9) is provided on the surface of the side of the negative electrode (3) that is close to the negative-electrode modification membrane (4); and the negative-electrode modification membrane (4) is tightly embedded in the recess (9). By means of optimizing the structure and the material of the button lithium primary battery in the present application, the button lithium primary battery has an excellent discharge performance, and good levels of stability and reliability.

Example embodiments relate to multiple battery configurations for space utilization. One embodiment includes a device. The device includes a primary battery. The device also includes an auxiliary battery configured to supply auxiliary electrical power. A first surface of the auxiliary battery is positioned along a first surface of the primary battery. The auxiliary battery is a thin-film battery. The first surface of the auxiliary battery has a smaller area than the first surface of the primary battery.

The present invention relates to a unit cell inspection device, the unit cell inspection device including: a transport unit configured to transport a plurality of unit cells, each having an electrode, in a predetermined transport direction and including a plurality of transport rollers arranged along the transport direction; and an optical inspection unit configured to optically sense an inspection target unit cell, which is a unit cell positioned at a predetermined inspection position among the plurality of unit cells transported by the transport unit, wherein each of the unit cells further includes an electrode tab extending from the electrode and exposed to an outside of a separator provided in each of the unit cells, the optical inspection unit configured to set an area including an area where at least a portion of the electrode tab is located at the inspection position as a Region of Interest (ROI), and an adjacent transport roller, which is a transport roller disposed adjacent to the Region of Interest among the plurality of transport rollers, may be configured not to overlap the Region of Interest.

The application relates to the technical field of automation equipment, in particular to electrolyte manufacturing equipment and an electrolyte preparation method. A powder mixing rotary driving element is used for driving a powder mixing frame to rotate, so that different powder mixing tanks are docked with bottle bodies to be assembled in first mounting slots; a tank opening driving element is used for driving a driving rod to drive a first screw rod to move downward in a powder storage space, so that the first screw rod opens or closes an outlet of the powder storage space, and a stirring frame stirs powder in the powder storage space; a liquid mixing support seat is provided with second mounting slots for mounting the bottle bodies to be assembled, and a liquid mixing nozzle assembly is used for injecting electrolyte stock solution into the bottle bodies to be assembled; a plurality of magnetic sub storage slots are arranged on a supporting plate, and magnetic sub bodies are placed one by one in the magnetic sub storage slots; and a magnetic sub stirrer is used for driving the magnetic sub bodies to rotate in the bottle bodies to be assembled. The electrolyte manufacturing equipment can complete the work of liquid mixing, powder mixing and stirring, and has high automation degree and high efficiency.

A method for manufacturing a negative electrode of a galvanic cell, a negative electrode of a galvanic cell, and a galvanic cell are provided, and a use of the galvanic cell is proposed. The method is characterized in that a first planar metal structure is pressed into the carbon coating of a second planar metal structure, and a plurality of openings on the planar underside of the first planar metal structure are at least partially filled with carbon from the carbon coating of the second planar metal structure. Here, either the first planar metal structure or the second planar metal structure contains or consists of aluminum or an aluminum alloy.The inventive method enables the simple and cost-effective production of a negative electrode that exhibits high energy density, high power density and high cycle stability.

To provide a technique of obtaining a battery including a wound electrode body equipped with an adhesive layer, with high productivity.SOLUTION: A manufacturing method for a battery 100 disclosed herein includes a first forming step S1 of forming a first adhesive layer 81 on a surface of a first separator 71, a second forming step S2 of forming a second adhesive layer 82 on a surface of a positive electrode sheet 22, and a stacking step S3 of stacking the first separator 71, the positive electrode sheet 22, a second separator 72, and a negative electrode sheet 24.SELECTED DRAWING: Figure 1

The invention relates to the technical field of automatic equipment, in particular to electrolyte manufacturing equipment and an electrolyte preparation method. The powder blending rotation driving part is used for driving the powder blending frame to rotate, so that different powder blending tanks are in butt joint with the to-be-assembled bottle bodies in the first mounting groove; the can opening driving part is used for driving the driving rod to drive the first lead screw to move downwards in the powder storage space, so that the first lead screw opens or closes an outlet of the powder storage space, and the stirring frame stirs powder in the powder storage space; a second mounting groove for mounting a to-be-assembled bottle body is formed in the liquid preparation supporting seat; the liquid preparation nozzle assembly is used for injecting the electrolytic stock solution into the to-be-assembled bottle body; a plurality of magneton storage grooves are formed in the supporting plate, the magneton bodies are placed in the magneton storage grooves in a one-to-one correspondence mode, and the magneton stirrer is used for driving the magneton bodies to rotate in a bottle body to be assembled. The electrolyte manufacturing equipment can complete the work of liquid preparation, powder preparation and stirring, and is high in automation degree and high in efficiency.

To provide a lithium primary button type battery having excellent discharge performance, good stability and reliability, its manufacturing method, and an electronic apparatus.SOLUTION: A lithium primary button battery comprises a battery case and a battery core module located inside the battery case, the battery core module comprises a negative electrode (3), a negative electrode modification membrane (4), a separator (5, 6) and a positive electrode (7) which are sequentially stacked, a surface of the negative electrode (3) close to the negative electrode modification membrane (4) is provided with a concave groove (9), and the negative electrode modification membrane (4) is tightly embedded in the concave groove (9).SELECTED DRAWING: Figure 2

The present invention discloses a lithium-ion battery comprising an anode electrode with an anode mixture layer coated on at least one surface of a substrate. The anode mixture layer includes graphite as the anode active material. Additionally, the battery includes a cathode electrode comprising lithium nickel cobalt aluminum oxide (NCA) compound as the cathode active material, a separator positioned between the cathode and anode electrodes, and an electrolyte. The anode mixture layer is designed to have a thickness within the range of 135-175 μm, with a corresponding mass loading falling between 0.01-0.05 g / cm2. The invention also discloses a method for preparing the said battery. The battery according to the present invention demonstrates exceptional characteristics such as high-energy density, high-power density, improved safety in application, and an extended cycle life.

This application provides a cell testing method, a packaging structure, a cell, a battery, and an electrical device, relating to the field of battery technology. The cell testing method is applied to a cell and includes: setting an electroluminescent film on the cell's packaging film, and electrically connecting the electroluminescent film to a first tab led out from the cell via a conductive element; detecting whether the electroluminescent film emits light to determine the electrical connection state between the second tab led out from the cell and the packaging film, thereby determining whether the cell is short-circuited. This cell testing method can solve the problem of inaccurately identifying whether a cell has a short circuit when it comes off the production line, leading to defective products being released.

A purpose of the present invention is to provide an electrolyte composition for electrochemical devices having both low combustibility and good ion conductivity. The electrolyte composition for electrochemical devices according to the present invention contains at least one type of ionic material and an organic composition, the organic composition containing a compound that is solid at a temperature of 5°C and atmospheric pressure in a proportion of 80 mass% or more, the compound comprising succinonitrile and an organic compound other than succinonitrile.

A manufacturing method of a power storage element according to the present embodiment includes insertion of an electrode body into a cylindrical case body having a first opening and a second opening at both ends. In the insertion of the electrode body, a first end close to the first opening of the electrode body is pulled into the case body from the first opening.

The present invention belongs to the field of power supply devices, and in particular, relates to a battery identification device and an electrical device, wherein the battery identification device includes a controller, a battery compartment and an elastic component, wherein the elastic component includes a first elastic member and a second elastic member disposed therein, wherein the length of the first elastic member is greater than the length of the second elastic member, and a signal point is disposed at a position corresponding to the second elastic member on the circuit board, and the controller identifies the battery according to the output level of the signal point when the battery is placed in the battery compartment. When the battery is placed, the two ends of the battery respectively abut against the conductive sheet and the first elastic member, thereby forming a loop between the battery and the controller; when the second elastic member abuts against the battery, the signal point is electrically connected to the battery; when the second elastic member does not abut against the battery, the signal point is disconnected from the battery. The battery identification device can identify the battery model based on the output level when the signal point is electrically connected to the battery, which is simple and easy to implement, does not require complex circuits and judgment procedures, and has low cost.

The utility model provides a button cell diaphragm paper feeding device, which relates to the technical field of button cell assembly, and comprises a rack, and an assembly conveying mechanism, a diaphragm paper roll placing mechanism and a punching press-fitting mechanism which are arranged on the rack, the assembling and conveying mechanism is connected with the lithium strip assembling and conveying mechanism and is used for transferring and conveying the die sleeve; the assembling and conveying mechanism comprises a plurality of rotary conveying assemblies which are connected in sequence; the diaphragm paper assembling and conveying belt assembly is used for conveying the shell assembled with the diaphragm paper and the die sleeve assembly to the next working procedure; the diaphragm paper roll placing mechanism is used for mounting a diaphragm paper roll; the punching and press-fitting mechanism comprises a punching and press-fitting support, a punching assembly and a press-fitting assembly. The utility model has the advantages that the production efficiency is greatly improved, and meanwhile, the assembly consistency and the assembly quality are further ensured.

This method for manufacturing an electric power storage device comprises: a preparation step for preparing a first electrode, a second electrode, a first tab 51, and a bottomed cylindrical case 30; a connection step for connecting the first tab 51 to the first electrode; a formation step for forming an electrode group using the second electrode and the first electrode to which the first tab 51 is connected; an accommodation step for accommodating the electrode group in the case 30; and a welding step for forming a primary light beam and a high-order light beam using a diffraction optical element, and welding the first tab 51 and the case 30 by means of the primary light beam at weld portions W. In the welding step, molten marks M are formed on both sides of the weld portions W in the case 30 by means of the high-order light beam. This makes it possible to provide an electric power storage device having exceptional welding quality.

A battery according to an embodiment comprises: an electrode group in which a band-like positive electrode plate (11) and a band-like negative electrode plate are wound with a separator therebetween; an electrolyte; and an outer can. The positive electrode plate (11), in which a positive electrode mix layer (31) is formed on a band-like positive electrode core (30), comprises: a positive electrode tab (20) which is connected to an area on one end side of the positive electrode core (30) and not extending beyond the center in the width direction of the positive electrode plate (11); and a dummy tab (37) which is connected to an area on the other end side of the positive electrode core (30) and not extending beyond the center in the width direction of the positive electrode plate (11). When the positive electrode plate (11) is viewed in the width direction, the dummy tab (37) is disposed to overlap at least a part of the positive electrode tab (20).

1. A method for filling a container (C) of an electrochemical cell (302) with electrolyte, the method comprising the steps of filling a plurality of filling units (2) with electrolyte, coupling each filling unit (2) to a corresponding one of the containers (C) to form an integrated assembly (4), transferring the electrolyte from the filling units (2) to the container (C), and decoupling each filling unit (2) from the container (C), wherein the coupling and decoupling steps between the filling units (2) and the container (C) are performed inside a conditioned chamber (116, 116'), the conditioned chamber (116, 116') is bounded by a wall separating an environment therein from an environment therein outside, the pressure and / or humidity conditions of the internal environment being different from those of the external environment, and the step of transferring the electrolyte from the filling units (2) to the container (C) is performed at least partially in an environment external to the conditioned chamber (116, 116').

This method for manufacturing an electric power storage device comprises: a preparation step for preparing a first electrode, a second electrode, a first tab 51, and a bottomed cylindrical case 30; a connection step for connecting the first tab 51 to the first electrode; a formation step for forming an electrode group using the second electrode and the first electrode to which the first tab 51 is connected; an accommodation step for accommodating the electrode group in the case 30; and a welding step for forming a primary light beam and a high-order light beam using a diffraction optical element, and welding the first tab 51 and the case 30 by means of the primary light beam at weld portions W. In the welding step, molten marks M are formed on both sides of the weld portions W in the case 30 by means of the high-order light beam. This makes it possible to provide an electric power storage device having exceptional welding quality.

To provide a laminated battery manufacturing method with which it is possible to manufacture a laminated battery having high structural reliability.SOLUTION: Provided is a laminated battery manufacturing method comprising: an arrangement step for arranging a plastic liquid injection frame 20 having a liquid injection opening P on a side surface of an electrode laminate 10; a liquid injection step for injecting an electrolyte to the inside of the electrode laminate; a first sealing step for locating a first member 30 having a resin layer A on a surface of the liquid injection frame, in which an x-axis direction orthogonal to a z-axis direction is taken as a normal direction, and sealing the liquid injection opening; a battery processing step for applying charging and / or aging after the first sealing step; an open hole forming step for forming an open hole Q that communicates with the liquid injection opening in the first member after the battery processing step; and a second sealing step, by using a second member 40 having a resin layer B and a metal layer, for locating the resin layer B of the second member on a surface of the first member, in which the x-axis direction is taken as the normal direction, and thereby covering the open hole and sealing the liquid injection opening.SELECTED DRAWING: Figure 1

This power storage element comprises an electrode body formed by winding an electrode plate, and a sheet member fixed to the outermost periphery of the electrode body, wherein the elongation rigidity of the sheet member is higher than the elongation rigidity of the electrode plate.

A balance valve, a battery, and a power consumption apparatus are provided in the embodiments of the present application. The balance valve includes a body, a breathable membrane and a gas barrier structure, where the body is provided with a ventilation channel; the breathable membrane is arranged at one end of the ventilation channel; and, the gas barrier structure is arranged at the other end of the ventilation channel, and the gas barrier structure is configured to open the ventilation channel when the gas pressures inside and outside the gas barrier structure are unbalanced, so as to achieve the gas pressure balance between the inside and outside of the gas barrier structure. The balance valve is applicable to a battery, which could achieve a balance of gas pressures inside and outside the battery when there is a pressure difference between the inside and outside of the battery.

To provide an electric cell capable of improving energy density per unit area and energy density per unit volume.SOLUTION: An electric cell comprises a first collector layer, a first electrode active material layer, an electrolyte layer, a second electrode active material layer, and a second collector layer which are laminated in this order. The first electrode active material layer is laminated only on an inner region. The second collector layer is folded so as to include the electrolyte layer and the second electrode active material layer, and on a peripheral region, it is also bonded to the first collector layer via an insulative sealing member so as to form a bonding part. As a result, the first electrode active material layer, the electrolyte layer, and the second electrode active material layer are sealed by the first collector layer, the insulative sealing member, and the second collector layer.SELECTED DRAWING: Figure 3