CN108701805A - The manufacturing method of charge storage element and charge storage element - Google Patents

The manufacturing method of charge storage element and charge storage element Download PDF

Info

Publication number
CN108701805A
CN108701805A CN201780013694.4A CN201780013694A CN108701805A CN 108701805 A CN108701805 A CN 108701805A CN 201780013694 A CN201780013694 A CN 201780013694A CN 108701805 A CN108701805 A CN 108701805A
Authority
CN
China
Prior art keywords
terminal
collector
positive
wall portion
electrode terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201780013694.4A
Other languages
Chinese (zh)
Inventor
伊藤瞬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GS Yuasa International Ltd
Original Assignee
GS Yuasa International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GS Yuasa International Ltd filed Critical GS Yuasa International Ltd
Publication of CN108701805A publication Critical patent/CN108701805A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/74Terminals, e.g. extensions of current collectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/172Arrangements of electric connectors penetrating the casing
    • H01M50/174Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/176Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/543Terminals
    • H01M50/547Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/543Terminals
    • H01M50/552Terminals characterised by their shape
    • H01M50/553Terminals adapted for prismatic, pouch or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/543Terminals
    • H01M50/562Terminals characterised by the material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/543Terminals
    • H01M50/564Terminals characterised by their manufacturing process
    • H01M50/566Terminals characterised by their manufacturing process by welding, soldering or brazing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention provides the manufacturing method of a kind of charge storage element and charge storage element, charge storage element (10) has container (100) with lid (110), the positive terminal (210) of perforation lid (110) and the positive electrode collector (220) that is connect with positive terminal (210), lid (110) and positive terminal (210) and the intermediate member (500) configured between lid (110) and positive terminal (210) are integrated together, and positive terminal (210) has:First plane (211a) is configured in the outside of container (100) along the outer surface of lid (110);In the inside of container (100) along the internal surface configurations of lid (110) it is the periphery face more outstanding than positive electrode collector (220) throughout positive electrode collector (220) with the second plane (212a).

Description

The manufacturing method of charge storage element and charge storage element
Technical field
The present invention relates to the electrode terminal for having container, perforation wall of a container portion and the collectors being connect with electrode terminal Charge storage element and its manufacturing method.
Background technology
Has the charge storage element quilt of container, the electrode terminal and the collector being connect with electrode terminal that penetrate through wall of a container portion Understand extensively.Moreover, proposed by resin insulating element makes electrode terminal and wall of a container portion (lid) bond in the past Integrated charge storage element (for example, referring to patent document 1).
Citation
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2011-76731 bulletins
Invention content
The subject that the invention solves
If here, cannot correct position be fixed on relative to wall of a container portion for electrode terminal, such as will produce cannot Make electrode terminal relative to busbar configuration the correct position a problem that.However, such as above-mentioned previous charge storage element that Sample makes in the structure of electrode terminal and wall of a container integrally, after having carried out integration, corrects the electricity relative to the wall portion The position of extreme son is difficult.
The present invention is completed in view of the above subject, and its purpose is to provide one kind can be by electrode terminal relative to appearance The wall portion of device is fixed on the charge storage element and its manufacturing method of correct position.
Means for solving the problems
In order to achieve the above objectives, the charge storage element involved by a mode of the invention be have container with wall portion, Penetrate through the charge storage element of the electrode terminal and the collector being connect with the electrode terminal of the wall portion, the wall portion and described Electrode terminal is integrated together with the intermediate member configured between the wall portion and the electrode terminal, the electrode terminal Have:First plane is configured in the outside of the container along the outer surface of the wall portion;With the second plane, in the container Inside is throughout the periphery face more outstanding than the collector of the collector along the internal surface configurations of the wall portion.
Invention effect
Charge storage element according to the present invention can make electrode terminal be fixed on correct position relative to wall of a container portion.
Description of the drawings
Fig. 1 is the stereogram for the appearance for schematically showing the charge storage element involved by embodiments of the present invention.
Fig. 2 is the structural element for indicating to configure inside the container of the charge storage element involved by embodiments of the present invention Stereogram.
Fig. 3 is the section for the structure for indicating positive terminal component and intermediate member involved by embodiments of the present invention Stereogram.
Fig. 4 is the stereogram for the structure for indicating the positive terminal component involved by embodiments of the present invention.
Fig. 5 be indicate by involved by embodiments of the present invention positive terminal component and negative terminal component configuration exist The stereogram of the process of lid.
Fig. 6 is the positive terminal component and lid one for indicating to make together with intermediate member involved by embodiments of the present invention The sectional view of the process of body.
Fig. 7 is the anode for indicating to make positive terminal component and negative terminal component involved by embodiments of the present invention The stereogram of collector and the process of negative electrode collector deformation.
Fig. 8 is to indicate to make positive terminal component involved by embodiments of the present invention and negative terminal component and electrode The stereogram of the process of body connection.
Specific implementation mode
If electrode terminal cannot be fixed on correct position relative to wall of a container portion, such as will produce cannot be by electrode tip Son is configured relative to busbar the correct position a problem that.If electrode terminal cannot be configured relative to busbar correct Position, then in the case where busbar is welded on electrode terminal, can become failure welding an important factor for, or except this with In the case of outer, it is also possible to an important factor for becoming the bad connection of busbar and electrode terminal.
However, as above-mentioned previous charge storage element by the structure of electrode terminal and wall of a container integrally, After carrying out integration, corrects and be difficult relative to the position of the electrode terminal of the wall portion.Therefore, make electrode terminal and be somebody's turn to do When wall portion integration, it is expected that electrode terminal is fixed on correct position relative to the wall portion.
The present invention is completed in view of the above subject, and its purpose is to provide one kind to make electrode terminal relative to appearance The wall portion of device is fixed on the charge storage element and its manufacturing method of correct position.
In order to achieve the above objectives, the charge storage element involved by a mode of the invention be have container with wall portion, Penetrate through the electrode terminal of the wall portion, the charge storage element for the collector being connect with the electrode terminal, the wall portion and the electricity Extreme son is integrated together with the intermediate member configured between the wall portion and the electrode terminal, the electrode terminal tool Have:First plane is configured in the outside of the container along the outer surface of the wall portion;With the second plane, in the container Portion is throughout the periphery face more outstanding than the collector of the collector along the internal surface configurations of the wall portion.
Accordingly, in charge storage element, the intermediate member between wall of a container portion and electrode terminal and wall portion and electrode terminal Be integrated together, electrode terminal have along wall portion outer surface configure the first plane and along wall portion internal surface configurations, time And periphery and the second plane outstanding of collector.As a result, when by electrode terminal and wall of a container integrally, by by mould The first plane and the second plane for having holding electrode terminal, so as to which electrode terminal to be easily fixed at just relative to wall portion True position.In particular, the second plane is throughout the periphery of collector and face outstanding, therefore, by throughout the periphery of collector By mold compresses, so as to which electrode terminal is firmly secured at correct position relative to wall portion.
Furthermore, it is possible to set the electrode terminal and the collector is integrated.
Accordingly, electrode terminal and collector are integrated, therefore, it is possible to which electrode terminal to be fixed on correctly relative to wall portion Position, also, collector can also be fixed on correct position.
In addition, in order to achieve the above objectives, the manufacturing method of the charge storage element involved by a mode of the invention is that have The charge storage element of container, the electrode terminal for penetrating through the wall portion, the collector being connect with the electrode terminal with wall portion Manufacturing method, including so that the electrode terminal is mounted on the wall portion by the state that the electrode terminal penetrates through the wall portion Terminal installation procedure, the terminal installation procedure include:Process is clamped, the first plane of the electrode terminal and second flat is clamped Face, wherein the first plane is configured in the outside of the container along the outer surface of the wall portion, and the second plane is in the container Portion is throughout the periphery face more outstanding than the collector of the collector along the internal surface configurations of the wall portion;With forming work Sequence forms intermediate member, the wall portion and the electrode terminal and the centre between the wall portion and the electrode terminal Component is integrally formed together.
Accordingly, in the manufacturing method of charge storage element, including:Process, the first plane of holding electrode terminal and the is clamped Two planes;And forming process, intermediate member is formed between wall of a container portion and electrode terminal, makes wall portion and electrode terminal in Between component it is integrally formed together.It should be noted that the first plane is the face configured along the outer surface in wall of a container portion, second is flat Face is throughout the periphery of collector and face outstanding along the internal surface configurations of the wall portion.Make electrode terminal and container as a result, When wall portion is integrally formed, by the first plane and the second plane by mold holding electrode terminal, so as to make electrode terminal It is easily fixed at correct position relative to wall portion.In particular, the second plane is throughout the periphery of collector and face outstanding, because This, by throughout the periphery of collector by mold compresses, so as to make electrode terminal be firmly secured at just relative to wall portion True position.
Further, it is also possible to set:Make the collection being connect with the electrode terminal after being included in the terminal installation procedure The collector of electric body deformation deforms process.
Accordingly, after electrode terminal is mounted on wall of a container portion, the collector being connect with electrode terminal is made to deform, because This, can be so that electrode terminal makes collector deform relative to the fixed state of wall portion.Thereby, it is possible to be easy to keep collector accurate Ground deforms, and collector is made to be fixed on correct position relative to wall portion.
In addition, the storage of a kind of container having with wall portion, electrode terminal and the collector being connect with the electrode terminal The manufacturing method of electric device, including:Terminal installation procedure, so that the electrode terminal penetrates through the state of the wall portion by the electricity Extreme son is mounted on the wall portion;Process is deformed with collector, after the terminal installation procedure, makes to connect with the electrode terminal The collector deformation connect.
Accordingly, after electrode terminal is mounted on wall of a container portion, the collector being connect with electrode terminal is made to deform, because This, can be so that electrode terminal makes collector deform relative to the fixed state of wall portion.Thereby, it is possible to be easy to keep collector accurate Ground deforms, so as to which collector is fixed on correct position relative to wall portion.
Hereinafter, being illustrated to the charge storage element involved by embodiments of the present invention while with reference to attached drawing.It needs to illustrate , embodiments described below indicates a currently preferred specific example.Represented by the following embodiments and the accompanying drawings Numerical value, shape, material, structural element, the allocation position of structural element and connection type, manufacturing process, manufacturing process it is suitable As an example of sequence etc., and the meaning of the non-limiting present invention.In addition, about among structural element in the following embodiments, table Show the structural element that do not recorded in the independent claims of upper concept, illustrates as arbitrary structural element.In addition, each Figure is schematic diagram, and size etc. does not illustrate strictly.
It should be noted that in the following description and attached drawing, by the winding axis direction of the electrode body of charge storage element, collection The length direction of the long side surface of the orientation of electric body or electrode terminal, the opposed direction of the short sides of container or container defines For X-direction.In addition, by the opposed direction of the long side surface of container, the thickness of the short side direction of the short sides of container or container Direction is defined as Y direction.In addition, by the upper and lower directions (direction that the gravity under setting state acts on) of charge storage element, The short side direction of the long side surface of the extending direction of the foot of collector, the length direction of the short sides of container or container is defined as Z Axis direction.These X-directions, Y direction and Z-direction are the directions of (orthogonal in the present embodiment) of intersecting.It needs It is noted that the case where according to using form to be also contemplated for Z-direction not as upper and lower directions, Z-direction is not limited to up and down Direction, but below for convenience of explanation, always illustrated using Z-direction as upper and lower.In addition, in the following description, For example, X-direction positive side indicates that the arrow direction side of X-axis, X-direction negative side indicate the side opposite with X-direction positive side.Y Axis direction, Z-direction electricity are same.
(embodiment)
First, the structure of charge storage element 10 is illustrated.
Fig. 1 is the stereogram for the appearance for schematically showing the charge storage element 10 involved by embodiments of the present invention.This Outside, Fig. 2 is the structural element for indicating to configure inside the container 100 of the charge storage element 10 involved by embodiments of the present invention Stereogram.Specifically, Fig. 2 is the solid for indicating structure in the state of isolating container body 111 from charge storage element 10 Figure.
Charge storage element 10 is the secondary cell that can be filled with electric power and release electric power, specifically lithium rechargeable battery Equal non-aqueous electrolyte secondary batteries.Charge storage element 10 be for example used in electric vehicle (EV), mixed power electric car (HEV) or The automobiles power supplys such as person's plug-in hybrid electric automobile (PHEV), electronic equipment power supply, electric power storage power supply etc..It needs It is noted that charge storage element 10 is not limited to non-aqueous electrolyte secondary battery, can be other than non-aqueous electrolyte secondary battery Secondary cell, can also be electric storage means, so can also be even with person without charge also can use accumulation electricity The one-shot battery of power.In addition, in the present embodiment, although illustrating the charge storage element 10 of rectangular box (rectangular), electric power storage The shape of element 10 is not limited to rectangular-shaped, can be cylindrical shape, elliptic cylindrical shape etc., can also be set as the electric power storage of laminated-type Element.
As shown in Figure 1, charge storage element 10 has:Container 100, positive terminal component 200 and negative terminal component 300.This Outside, as shown in Fig. 2, there is positive terminal component 200 positive terminal 210 and positive electrode collector 220, negative terminal component 300 to have There are negative terminal 310 and negative electrode collector 320, positive electrode collector 220 and negative electrode collector 320 to be incorporated in container 100 It is internal.In addition, charge storage element 10 has electrode body 400 in the inside of container 100, it is also equipped with intermediate member 500 and 600.
It should be noted that in addition to above structure element, can be configured in positive electrode collector 220 and cathode current collection The separator of the side configuration of body 320, the air bleeding valve when pressure in container 100 rises for discharging the pressure, alternatively, packet Enter the insulating trip etc. of electrode body 400 etc..In addition, the liquid such as electrolyte (nonaqueous electrolyte) are enclosed in the inside of container 100, but omit Diagram.It should be noted that as the electrolyte, only if it were not for the electrolyte for the performance for damaging charge storage element 10, then for it Type is not particularly limited, and can select miscellaneous electrolyte.
What container 100 was occluded by rectangular drum like and container body with the end 111 and as the opening to main body 111 The lid 110 of plate-shaped member is constituted.In addition, container 100 is by electrode body 400 etc. after being accommodated in inside, lid 110 and main body 111 are welded etc., and thus, it is possible to seal inside.It should be noted that the material of lid 110 and main body 111 is without spy It does not limit, for example, the metal that stainless steel, aluminum or aluminum alloy etc. can weld can be used, but can also use resin.Here, Lid 110 is an example for the wall portion that container 100 has.
Electrode body 400 has positive plate, negative plate and separator, is that can accumulate the electric power storage element of electric power (power generation is wanted Element).Here, the positive plate that electrode body 400 has is in the collector foil as the bar-shape being made of metals such as aluminium, aluminium alloys Positive-pole base material layer on be formed with the pole plate of positive electrode active material layer.In addition, negative plate is as by metals such as copper, copper alloys The pole plate of negative electrode active material layer is formed on the base material of cathode foil of the collector foil of the bar-shape of composition.It should be noted that The positive active material and negative electrode active material used in layer and negative electrode active material as a positive electrode active material, as long as The positive active material or negative electrode active material that release lithium ion can be occluded, can use well known materials appropriate. In addition, separator can for example use micro- porous sheet material, the non-woven fabrics being made of resin.
Moreover, electrode body 400 is to configure the knot of layered in a manner of sandwiching separator between positive plate and negative plate Structure body is wound and is formed.Specifically, electrode body 400 be positive plate and negative plate across separator and wireline reel ( In present embodiment be the imaginary axis parallel with X-direction) direction on mutually stagger made of winding.Moreover, positive plate with And negative plate has uncoated active material (not forming active material layer) and exposes in the end edge portion in the direction being respectively staggered The part (active material uncoated portion) of substrate layer.In other words, one end (X-direction of the electrode body 400 in winding axis direction The end of positive side) positive boundling portion 410 made of being stacked and tying up of the active material uncoated portion with positive plate.It is winding The other end (end of X-direction negative side) of axis direction have negative plate active material uncoated portion be stacked and tie up and At cathode boundling portion 420.
It should be noted that in the present embodiment, as the section shape of electrode body 400, although illustrating oblong Shape is but it is also possible to be elliptical shape, round, multilateral shape etc..In addition, electrode body 400 is not limited to convoluted, Ke Yishi The stacked of multiple tabular pole plates has been laminated, can also be the shape etc. for making pole plate be folded into accordion-like.
Positive terminal component 200 be electrically connected with the positive plate of electrode body 400 have electric conductivity and rigidity component.This Outside, negative terminal component 300 be electrically connected with the negative plate of electrode body 400 have electric conductivity and rigidity component.In other words Say, positive terminal component 200 and negative terminal component 300 be respectively with the positive boundling portion 410 of electrode body 400 and cathode Boundling portion 420 is permanently connected the made of metal terminal component of (engagement).Positive terminal component 200 and negative electrode terminal portion as a result, Part 300 exports the electric power accumulated in electrode body 400 to the exterior space of charge storage element 10, in addition, in order to which electric power to be accumulated in Electrode body 400 and by electric power to the inner space of charge storage element 10 import.
Specifically, in positive terminal component 200, engaged with positive boundling portion 410 by positive electrode collector 220, from And positive terminal 210 is electrically connected via positive electrode collector 220 with the positive plate of electrode body 400.In addition, in negative terminal component In 300, engaged with cathode boundling portion 420 by negative electrode collector 320, to negative terminal 310 via negative electrode collector 320 with The negative plate of electrode body 400 is electrically connected.In this way, positive terminal 210 is the electrode terminal of side of the positive electrode, negative terminal 310 is cathode The electrode terminal of side.
In addition, positive terminal component 200 and negative terminal component 300 are installed on configuration in the top of electrode body 400 Lid 110.Specifically, positive terminal component 200 and negative terminal component 300 by with intermediate member 500 and 600 1 Rise it is integrated with lid 110 (integrally formed), to be fixed on lid 110.In other words, in positive terminal component 200, Lid 110 and positive terminal 210 are integrated together with the intermediate member 500 configured between lid 110 and positive terminal 210 (integrally formed).In addition, in negative terminal component 300, lid 110 and negative terminal 310 in lid 110 and negative terminal The intermediate member 600 configured between 310 is integrated (integrally formed) together.
According to this structure, electrode body 400 by positive terminal component 200 and negative terminal component 300 with from lid The state of 110 suspensions is kept (bearing), can inhibit rocking caused by vibration, impact etc..It should be noted that just to this The explanation of the detailed construction of extreme subassembly 200 and negative terminal component 300 is described below.
At least part of intermediate member 500 and 600 is configured in lid 110 and positive terminal component 200 and cathode It is the resin to insulate to lid 110 and positive terminal component 200 and negative terminal component 300 between terminal component 300 Etc. insulating parts.In addition, intermediate member 500 and 600 with lid 110 and positive terminal component 200 and negative electrode terminal portion 300 integration of part, also has the function of the air-tightness of holding container 100.
Specifically, intermediate member 500 so that the positive terminal 210 of positive terminal component 200 a part (aftermentioned One plane 211a and the second plane 212a) expose state keep positive terminal 210.Equally, intermediate member 600 is so that cathode The state that a part for the negative terminal 310 of terminal component 300 is exposed keeps negative terminal 310.Moreover, intermediate member 500 is logical Such as insert part forming is crossed, it is integrally formed together with lid 110 and positive terminal 210.Equally, intermediate member 600 for example, by Insert part forming, it is integrally formed together with lid 110 and negative terminal 310.Therefore, intermediate member 500 and intermediate member 600 It is the resin component formed by the resin for capableing of insert part forming.
It should be noted that can be enumerated as the resin that intermediate member 500 and 600 uses:Such as polyphenylene sulfide (PPS), polypropylene (PP), polyethylene (PE), polybutylene terephthalate (PBT) (PBT), phenolic resin etc..In addition, resin portion Part can be not only that can also be component, the combined tree by combining multiple resin materials by a kind of component that resin material is constituted The component of fat material and elastomeric material, the component shape that particle shape or fibrous inorganic material are added in resin material At.In addition, intermediate member 500 and 600 preferably being formed by the rigidity component lower than lid 110.It should be noted that in centre Component 500 either 600 lid 110 and positive terminal component 200 or negative terminal component 300 need not be carried out insulation or In the case of insulating by other component, there can not also be insulating properties.For example, making container 100 and positive terminal component 200 Intermediate member 500 or 600 there can not also be insulating properties in the case that either negative terminal component 300 is connected.
Here, below to positive terminal component 200 and intermediate member 500 and negative terminal component 300 and middle part The concrete structure of part 600 is described in detail.It should be noted that 500 and of positive terminal component 200 and intermediate member Negative terminal component 300 and intermediate member 600 have same structure, therefore, below to positive terminal component 200 and in Between the structure of component 500 illustrate, the structure omitted or simplify negative terminal component 300 and intermediate member 600 is said It is bright.
Fig. 3 is the structure for indicating positive terminal component 200 and intermediate member 500 involved by embodiments of the present invention Sectional stereogram.Specifically, Fig. 3 is to indicate to have cut off Fig. 2 institutes with the plane parallel with XZ planes including III-III lines The stereogram of the section of the case where positive terminal component 200 shown and intermediate member 500.It should be noted that in figure 3, Illustration omitted electrode body 400.In addition, Fig. 4 is the structure for indicating the positive terminal component 200 involved by embodiments of the present invention Stereogram.Specifically, (a) of Fig. 4 indicates the structure from oblique upper the case where positive terminal component 200, Fig. 4's (b) structure from obliquely downward the case where positive terminal component 200 is indicated.It should be noted that in the present embodiment, just Electrode current collector 220 is deformed after being installed in lid 110 and is formed.Fig. 4 expressions are having deformed positive electrode collector 220 just Extreme subassembly 200.
First, the structure of positive terminal component 200 is described in detail.As shown in these figures, positive terminal component 200 positive electrode collectors 220 for having the positive terminal 210 of perforation lid 110 and being connect with positive terminal 210.Here, positive Terminal 210 and positive electrode collector 220 are continuous a component.In other words, positive terminal component 200 is one component of processing And the component formed, positive terminal 210 and positive electrode collector 220 are integrated.It should be noted that in integrated situation Under, positive terminal 210 and positive electrode collector 220 are not preferably the components engaged by riveting, welding etc..In other words, with The positive terminal 210 of individual components is made up of the processing such as engagement with positive electrode collector 220 and compares, positive terminal component 200 It is configured to reduce number of components by a component processing and simply be manufactured, therefore preferably.Moreover, positive terminal 210 has There are first end sub-portion 211 and second end sub-portion 212, positive electrode collector 220 that there is the first curren-collecting part 221,222 and of the second curren-collecting part Third curren-collecting part 223.
First end sub-portion 211 is disposed on the tabular of the main body of the composition positive terminal 210 on the top of positive terminal 210 Position, and connect with external conductive components such as busbars.Specifically, the configuration of first end sub-portion 211 is in the top of lid 110 And the inside of intermediate member 500 is engaged by welding with busbar.In turn, specifically, first end sub-portion 211 has the One plane 211a, in the first plane 211a solder joints busbars.Here, the first plane 211a is the upper table of positive terminal 210 Face (plane of Z-direction positive side) is configured in the outside of container 100 along the outer surface of lid 110.In other words, the first plane 211a is the face exposed to outside in the face that positive terminal component 200 has, specifically, being from the upper of intermediate member 500 The face that side is exposed.In addition, the first plane 211a is formed the upper surface flush with intermediate member 500.
It should be noted that in the present embodiment, although it is flat to be formed with first in the entire upper surface of positive terminal 210 Face 211a, however, not limited to this, can also be formed in the face of a part for the upper surface of positive terminal 210 it is flat as first The structure of the plane of face 211a.In addition, the first plane 211a can not be with the upper surface flush of intermediate member 500.As long as in addition, There is first end sub-portion 211 first plane 211a, shape to be not particularly limited.In addition, about 211 He of first end sub-portion The connection type of conductive component, is not particularly limited.For example, first end sub-portion 211 has bolt portion, pass through the bolt portion and spiral shell Mother's fastening, so as to so that first terminal portion 211 is connected with busbar.
Second end sub-portion 212 is the cylindric position of the perforation lid 110 configured in the lower part of positive terminal 210, also, It configures in the top of the first curren-collecting part 221 of positive electrode collector 220.Specifically, the configuration of second end sub-portion 212 is in first terminal Between portion 211 and the first curren-collecting part 221, to connect first end sub-portion 211 and the first curren-collecting part 221.In addition, second end sub-portion 212 are inserted in the opening portion 110a of the round through hole of the formation of lid 110, and are configured to around by intermediate member 500 It impales.
Here, second end sub-portion 212 along lid 110 internal surface configurations in the inside of container 100, also, with spreading The periphery of first curren-collecting part 221 of positive electrode collector 220 is than 221 face outstanding of the first curren-collecting part i.e. the second plane 212a.Change sentence It talks about, the second plane 212a is the lower surface (plane of Z-direction negative side) of positive terminal 210, is formed throughout the first collection The entire periphery in electric portion 221 it is prominent (surrounding entire periphery).Have specifically, the second plane 212a is positive terminal 210 Face among, the face exposed from the downside of intermediate member 500 towards the inside of container 100, have circular (annular shape). In addition, the second plane 212a is formed to flush with the lower surface of intermediate member 500.
It should be noted that the second plane 212a can be not formed as circular and to be created as the ring-type of rectangle etc. polygon Shape.In addition, the second plane 212a can not be flushed with the lower surface of intermediate member 500.As long as in addition, second end sub-portion 212 With the second plane 212a, shape is not particularly limited.For example, second end sub-portion 212 can also be elliptic cylindrical shape, length Cylindric, polygon prism shape etc..In this case, the opening portion 110a of lid 110 preferably with the outer shape of second end sub-portion 212 Corresponding shape.In addition, opening portion 110a is not limited to through hole, can also be to cut as semi-circular shape, rectangular-shaped notch (notch for including the side of lid 110) etc..
First curren-collecting part 221 is disposed on the substantially cylindric position of the upper end of positive electrode collector 220, with positive terminal 210 second end sub-portion 212 connects.In addition, the first curren-collecting part 221 is the position of diameter minimum in positive terminal component 200.It changes Sentence is talked about, and the diameter of the first curren-collecting part 221 is smaller than second end sub-portion 212, also, is coaxially configured with second end sub-portion 212, from And the second plane 212a is being formed with than 221 position outstanding of the first curren-collecting part throughout the periphery of the first curren-collecting part 221.It needs Bright, the first curren-collecting part 221 can not be coaxial with second end sub-portion 212, in addition, being not particularly limited shape, can also be Generally oblong column, substantially oval column, polygon prism shape etc..
Second curren-collecting part 222 is disposed on the portion of the top of positive electrode collector 220 and the lower section of the first curren-collecting part 221 Position has flat pattern.Specifically, the lower ora terminalis of the upper edge of the second curren-collecting part 222 and the first curren-collecting part 221 is phase similar shape Shape has the shape for expanding and being reduced in Y direction in X-direction downward.
Third curren-collecting part 223 is disposed on the tabular position of the lower section of the second curren-collecting part 222, extends downward, from And it is connect with electrode body 400.In other words, third curren-collecting part 223 be disposed on positive electrode collector 220 400 side of electrode body (under Side) strip position, connect with the electrical connection of electrode body 400 and mechanical (physics).Specifically, third curren-collecting part 223 It is configured to extend along the positive boundling portion 410 of electrode body 400, the side of Y direction negative side passes through resistance welding, supersonic welding The engagement sides with the Y direction positive side in positive boundling portion 410 such as welding, riveting such as connect.Positive electrode collector 220 and electricity as a result, The positive plate of polar body 400 is electrically connected.
In addition, third curren-collecting part 223 is formed:Maximum width (width of X-direction) is outer than second end sub-portion 212 Diameter (alternatively, internal diameter of the third middle part 530 of aftermentioned intermediate member 500) greatly, also, with the opening portion 110a of lid 110 Internal diameter it is identical or bigger than its.In other words, as described later, third curren-collecting part 223 is in the opening portion 110a for being inserted into lid 110 It is processed and is formed afterwards, therefore, it is possible to form the maximum width bigger than the maximum value of the opening of opening portion 110a.As a result, The width of third curren-collecting part 223 can be increased to ensure the contact area with positive boundling portion 410.
Although here, do not limit the material of positive terminal portion part 200 (positive terminal 210 and positive electrode collector 220), Such as it is formed by metals such as aluminium or aluminium alloys in the same manner as the positive-pole base material layer of electrode body 400.In addition, about negative electrode terminal portion Part 300 (negative terminal 310 and negative electrode collector 320) is also without limiting material, but the base material of cathode for example with electrode body 400 Layer is similarly formed by metals such as copper or copper alloys.
It should be noted that positive terminal component 200 or negative terminal component 300 can be first end sub-portion, second Arbitrary portion in portion of terminal, the first curren-collecting part, the second curren-collecting part and third curren-collecting part is formed etc. by different materials by more A component is constituted.In this case, positive terminal component 200 or negative terminal component 300 are by these multiple component one Change and is formed.In particular, about negative terminal component 300, from busbar welding easness, reduce the viewpoints such as cost and go out Hair, the first end sub-portion of negative terminal 310 is preferably by formation such as aluminium or aluminium alloys.Accordingly, with respect to negative terminal component 300, The first end sub-portion of negative terminal 310 is by formation such as aluminium or aluminium alloys, in addition to this (the second end sub-portion of negative terminal 310 And negative electrode collector 320) preferably by formation such as copper or copper alloys.
Next, the structure of intermediate member 500 is described in detail.There is intermediate member 500 at least part to match The function of setting the sealing component (gasket) between lid 110 and positive terminal 210, with lid 110 and positive terminal 210 1 It rises and is integrated.As shown in figure 3, intermediate member 500 has the first middle part 510, the second middle part 520, third middle part 530 With the 4th middle part 540.Here, intermediate member 500 is the integrated component being made of resin component.In other words, intermediate member 500 be the company of the first middle part 510, the second middle part 520, third middle part 530 and 540 integration of the 4th middle part and formation A continuous component.
First middle part 510 is configured first in a manner of surrounding the first end sub-portion 211 of positive terminal 210 from surrounding The cyclic annular position of the periphery of portion of terminal 211.In other words, the first middle part 510 is the complete cycle for surrounding first end sub-portion 211 Wall is closely configured with the complete cycle.Pass through first middle part 510, it can be ensured that with other around first end sub-portion 211 The insulating properties of component, further, it is possible to which first end sub-portion 211 is inhibited to be rotated around second end sub-portion 212.
Second middle part 520 is disposed on the lower section of the first middle part 510 and between lid 110 and first end sub-portion 211 Tabular position.Specifically, the second middle part 520 and the upper surface of lid 110 and the lower surface of first end sub-portion 211 are tight The configuration of patch ground.The second middle part 520 can make lid 110 and first end sub-portion 211 insulate as a result, and fill up 110 He of lid Gap between first end sub-portion 211 is to prevent from revealing.
In addition, being formed with circular recess 110b (ginsengs in the position of the second middle part of configuration 520 of the upper surface of lid 110 According to aftermentioned Fig. 5 (a)).Moreover, the second middle part 520 has the circular protrusions 521 chimeric with recess portion 110b.It is convex by this Portion 521 inhibits the second middle part 520 to be rotated around second end sub-portion 212, and thus, it is possible to inhibit the first middle part 510 and first Portion of terminal 211 is rotated around second end sub-portion 212.It should be noted that the shape of recess portion 110b and protrusion 521 is not limited to Round can also be any shapes such as elliptical shape, oblong shape, multilateral shape.
Third middle part 530 is disposed on the lower section of the second middle part 520 and to surround the of positive terminal 210 from surrounding The mode in two-terminal portion 212 configures at the cylindric position of the periphery of second end sub-portion 212.Specifically, third middle part 530 Outer surface with the inner surface of opening portion 110a and second end sub-portion 212 in the opening portion 110a of lid 110 closely configures. Third middle part 530 can insulate to lid 110 and second end sub-portion 212 as a result, also, fill up lid 110 and Second terminal Gap between portion 212 is to prevent from revealing.
4th middle part 540 is disposed on the lower section of third middle part 530 and lid 110 and to surround second from surrounding The mode of portion of terminal 212 configures at the circular position of the periphery of second end sub-portion 212.Specifically, the 4th middle part 540 with The lower surface of lid 110 and the outer surface of second end sub-portion 212 closely configure.The 4th middle part 540 can make lid as a result, 110 and second end sub-portion 212 insulate, and the gap filled up between lid 110 and second end sub-portion 212 is to prevent from revealing. It is flushed with the second plane 212a of second end sub-portion 212 it should be noted that the 4th middle part 540 is formed lower surface.It changes Sentence is talked about, and it is continuous that the lower surface of the 4th middle part 540 and the second plane 212a are configured to boundary part.
Next, using Fig. 5~Fig. 8, the manufacturing method of charge storage element 10 is illustrated.It should be noted that hereinafter, Positive terminal component 200 and negative terminal component 300 are mounted on container 100 in the manufacturing method of charge storage element 10 It is illustrated centered on the process of lid 110.
Fig. 5 is the positive terminal component 201 and negative terminal component 301 indicated involved by embodiments of the present invention Configure the stereogram in the process of lid 110.In addition, Fig. 6 is the positive terminal for indicating to make involved by embodiments of the present invention Component 201 and the intermediate member 500 together sectional view with 110 integrated process of lid.In addition, Fig. 7 is to indicate to make the present invention Embodiment involved by positive terminal component 201 and negative terminal component 301 positive electrode collector 230 and cathode collection The stereogram for the process that electric body 330 deforms.In addition, Fig. 8 is the positive terminal component indicated involved by embodiments of the present invention 200 and the stereogram of process that is connect with electrode body 400 of negative terminal component 300.
First, as shown in Fig. 5 (a), positive terminal component 201 and negative terminal component are configured relative to lid 110 301.Here, positive terminal component 201 is to indicate (to be deformed into positive electrode collector before being deformed into above-mentioned positive terminal component 200 Before 220) state component, substitution tabular positive electrode collector 220 has rodlike positive electrode collector 230.Positive pole current collections Body 230 extends to downwards the position of the lower end of third curren-collecting part 223 with the first curren-collecting part 221 in positive electrode collector 220 Set such shape.It is also the same about negative terminal component 301, the tabular cathode current collection in substitution negative terminal component 300 Body 320 has rodlike negative electrode collector 330.It should be noted that positive terminal component 201 and negative terminal component 301 Also there is positive terminal 210 and negative terminal 310, but have with positive terminal component 200 and negative terminal component 300 Component is identical structure, therefore, detailed description will be omitted.
Then, as shown in Fig. 5 (b), the positive electrode collector 230 of positive terminal component 201 and negative terminal component 301 with And negative electrode collector 330 is inserted into the opening portion 110a and 110c of lid 110, configures the lid 110 as shown in Fig. 6 (a) Specified position.Here, Fig. 6 (a)~Fig. 6 (d) is shown so that positive terminal 210 penetrates through the state of lid 110 by positive terminal 210 Mounted on an example of the terminal installation procedure of lid 110.It should be noted that although Fig. 6 (a)~Fig. 6 (d) shows side of the positive electrode, But it is also the same about negative side.
Then, as shown in Fig. 6 (b), is configured in a manner of being abutted from the top of positive terminal 210 with the first plane 211a One mold 710, also, the second mold 720 is configured in a manner of being abutted from the lower section of positive terminal 210 with the second plane 212a. In other words, Fig. 6 shows to be clamped the first plane 211a's and the second plane 212a by the first mold 710 and the second mold 720 An example of process is clamped.It should be noted that the second plane 212a is collected than anode throughout the entire periphery of positive electrode collector 230 230 plane outstanding of electric portion, the second mold 720 spread the complete cycle of positive electrode collector 230 and match with abutting with the second plane 212a It sets.
Here, the first mold 710 to be in a manner of covering the periphery of first end sub-portion 211, with between being spaced apart of the periphery The state of gap is also configured with the upper surface of lid 110 with abutting.In addition, the second mold 720 is to cover second end sub-portion 212 The mode of periphery is also configured with the lower surface of lid 110 with abutting with the state of the spaced apart at gaps with the periphery.As a result, One mold 710 and the second mold 720 with the state of the spaced apart at gaps of the periphery with positive terminal 210 from upper and lower sandwich just Extreme son 210 and lid 110 are to be limited.
Then, as shown in Fig. 6 (c), resin injects the outer of the first mold 710 and the second mold 720 and positive terminal 210 The gap between gap and lid 110 and positive terminal 210 between week, to form intermediate member 500.In other words, It is formed by the first middle part 510, the second middle part 520,540 structure of third middle part 530 and the 4th middle part by insert part forming At intermediate member 500.It should be noted that resin is also injected into the recess portion 110b of lid 110, to form the second middle part 520 protrusion 521.In this way, Fig. 6 (c) is shown:Intermediate member 500, lid are formed between lid 110 and positive terminal 210 110 and positive terminal 210 and intermediate member 500 integrally formed forming process together an example.
It should be noted that the second mold 720 is matched throughout the complete cycle of positive electrode collector 230 with the second plane 212a with abutting It sets, therefore, in insert part forming, can prevent resin from being wandered more on the lower to than the second plane 212a.
Then, as shown in Fig. 6 (d), the first mold 710 and the second mold 720 are removed from positive terminal 210, become as State shown in Fig. 7 (a).In this way, in positive terminal component 201 and negative terminal component 301, lid 110 and positive terminal Son 210 and negative terminal 310, with middle part of the configuration between lid 110 and positive terminal 210 and negative terminal 310 Part 500 and 600 is integrated together.
Next, as shown in Fig. 7 (b), the positive electrode collector 230 of positive terminal component 201 and negative terminal component 301 And negative electrode collector 330 is deformed into positive electrode collector 220 and negative electrode collector 320, formed positive terminal component 200 and Negative terminal component 300.Specifically, rodlike positive electrode collector 230 and negative electrode collector 330 passes through the changes such as punch process Shape is flat positive electrode collector 220 and negative electrode collector 320.In this way, Fig. 7 (b) is shown:After terminal installation procedure, The current collection for making the positive electrode collector 230 being connect with positive terminal 210 and negative terminal 310 and negative electrode collector 330 deform Body deforms an example of process.
Then, as shown in figure 8, the positive electrode collector 220 of positive terminal component 200 and negative terminal component 300 and Negative electrode collector 320 is engaged with the positive boundling portion 410 of electrode body 400 and cathode boundling portion 420.In other words, anode collection Electric body 220 and negative electrode collector 320 are formed as tabular, so as to ensure and positive boundling portion 410 and cathode boundling The contact area in portion 420, in addition, being easy to carry out the engagement with positive boundling portion 410 and cathode boundling portion 420.
As described above, charge storage element 10 involved according to the embodiment of the present invention, the lid 110 of container 100 and just Extreme son 210 is integrated together with the intermediate member 500 between lid 110 and positive terminal 210, and positive terminal 210 has First plane 211a and the second plane 212a.It should be noted that the first plane 211a is configured along the outer surface of lid 110 Face, the second plane 212a are to spread the periphery of positive electrode collector 220 than positive pole current collections portion 220 along the internal surface configurations of lid 110 Face more outstanding.In addition, the manufacturing method of the charge storage element 10 involved by according to the embodiment of the present invention, including:Work is clamped The the first plane 211a and the second plane 212a of positive terminal 210 is clamped in sequence;And forming process, in lid 110 and positive terminal Intermediate member 500 is formed between 210, keeps lid 110 and positive terminal 210 and intermediate member 500 integrally formed together.
As a result, when making positive terminal 210 and lid 110 is integrally formed, by mold (the first mold 710 and the second mould 720) the first plane 211a and the second plane 212a is clamped in tool, so as to easily by positive terminal 210 relative to lid 110 It is fixed on correct position (angle).In particular, the second plane 212a is to spread the periphery of positive electrode collector 220 than positive pole current collections portion 220 faces outstanding, therefore, throughout the periphery of positive electrode collector 220 by the mold compresses, so as to make positive terminal 210 It is firmly secured at correct position relative to lid 110.As a result, for example, in the structure that busbar is welded on to positive terminal 210 In the case of, it is easy to improve the depth of parallelism of positive terminal 210, therefore, when welding positive terminal 210 and busbar, can press down Failure welding occurs for system.
In addition, positive terminal 210 and the integration of positive electrode collector 220, therefore, it is possible to by positive terminal 210 relative to lid Body 110 is fixed on correct position, also, positive electrode collector 220 can also be fixed on correct position.
In addition, after positive terminal 210 is mounted on lid 110, make the positive electrode collector being connect with positive terminal 210 230 deformations, therefore, it is possible to so that positive terminal 210 makes positive electrode collector 230 deform relative to 110 fixed state of lid.By This, can be easy that positive electrode collector 230 is made accurately to deform, positive electrode collector 220 is made to be fixed on correct position relative to lid 110 It sets.
In addition, when as described above being configured the second mold 720 relative to positive terminal 210, need to be used for The space of the second mold 720 is configured, but there is deformed positive electrode collector 220 flat plate-like shape therefore cannot ensure sometimes The configuration space of second mold 720.In view of this, the positive electrode collector 230 before deformation is bar-like shape, therefore, if it is this Shape can then ensure the configuration space of the second mold 720 sometimes.In other words, even if collecting sometimes with deformed anode The shape of electric body 220 cannot ensure pressing positive terminal 210 mold configuration space in the case of, if it is before deformation just The shape of electrode current collector 230 can then ensure the configuration space of the mold.Thereby, it is possible to inhibit matching for positive electrode collector 220 It sets, shape is limited by the mold.In this way, by improving the configuration of positive electrode collector 220, the degree of freedom of shape, so as to most The space in container 100 is utilized to the day of one's doom, so as to realize high capacity or the miniaturization of charge storage element 10.
It should be noted that also there is structure same as positive terminal component 200 about negative terminal component 300, because This, can play same effect.
More than, although the charge storage element 10 involved by embodiments of the present invention is illustrated, the present invention is unlimited Due to the embodiment.In other words, it should which it is only to illustrate, rather than limit to think embodiment of disclosure all. The not above-mentioned explanation of the scope of the present invention, is shown by the scope of protection of present invention, it is intended that including with power The meaning for the range equalization that profit requires and being had altered in range.
For example, in the above-described embodiment, setting positive terminal component 200 and negative terminal component 300 are mounted on and hold The lid 110 of device 100.It however, it can be that at least one of positive terminal component 200 and negative terminal component 300 are pacified The structure of wall portion (any wall portion of container body 111) other than the lid 110 of container 100.
In addition, in the above-described embodiment, being set by insert part forming to lid 110 and positive terminal 210 and bearing Extreme son 310 is integrated together with intermediate member 500 and 600.In addition, setting intermediate member 500 and 600 is by can The resin component that the resin of insert part forming is formed.But the integrated gimmick is not limited to insert part forming.In addition, middle part At least one of part 500 and 600 can also be the component other than resin.
In addition, in the above-described embodiment, being set in and being mounted on electrode terminal (positive terminal 210, negative terminal 310) Make the collector deformation that collector (positive electrode collector 230, negative electrode collector 330) deforms after the terminal installation procedure of lid 110 Process.However, it is possible to carry out collector deformation process before the terminal installation procedure.
In addition, in the above-described embodiment, it is set in and has carried out the first flat of holding electrode terminal in terminal installation procedure The clamping process and lid 110 and electrode terminal of face and the second plane forming process integrally formed together with intermediate member Afterwards, it carries out collector and deforms process.It however, it can be, in terminal installation procedure, without clamping process and forming Electrode terminal is installed on lid 110 in the case of process, collector is then carried out and deforms process.
In addition, in the above-described embodiment, setting positive terminal component 200 and negative terminal component 300 are all with upper State structure.But as long as positive terminal component 200 and at least one of negative terminal component 300 have above structure.
In addition, in the above-described embodiment, setting charge storage element 10 only has an electrode body 400.However, it is possible to set Charge storage element 10 has more than two electrode bodies.In this case, collector is made of shape corresponding with the electrode body, from And deform (processing).
In addition, the present invention can not only be used as such charge storage element 10 to realize, it can be used as charge storage element 10 and have Positive terminal component 200 (positive terminal 210, positive electrode collector 220) or negative terminal component 300 (negative terminal 310, Negative electrode collector 320) it realizes.
Industrial availability
The present invention can be applied to the electric power storage member that electrode terminal can be fixed on to correct position relative to wall of a container portion Part etc..
Symbol description
10 charge storage elements
100 containers
110 lids
210 positive terminals
The first planes of 211a
The second planes of 212a
220,230 positive electrode collector
310 negative terminals
320,330 negative electrode collector
400 electrode bodies
500,600 intermediate member

Claims (5)

1. a kind of charge storage element, have container with wall portion, the perforation wall portion electrode terminal and with the electrode terminal The collector of connection, wherein
The wall portion and the electrode terminal together with the intermediate member configured between the wall portion and the electrode terminal by Integration,
The electrode terminal has:
First plane is configured in the outside of the container along the outer surface of the wall portion;With
Second plane is the periphery ratio throughout the collector in the inside of the container along the internal surface configurations of the wall portion The collector face outstanding.
2. charge storage element according to claim 1, wherein
The electrode terminal and the collector are integrated.
3. a kind of manufacturing method of charge storage element, be have container with wall portion, the perforation wall portion electrode terminal and with The manufacturing method of the charge storage element of the collector of the electrode terminal connection, wherein
Including so that the electrode terminal penetrates through terminal of the state of the wall portion by the electrode terminal mounted on the wall portion Installation procedure,
The terminal installation procedure includes:
Process is clamped, the first plane and the second plane of the electrode terminal is clamped, wherein the first plane is in the outer of the container Portion is configured along the outer surface of the wall portion, and the second plane, along the internal surface configurations of the wall portion, is time in the inside of the container And the periphery of collector face more outstanding than the collector;With
Forming process forms intermediate member between the wall portion and the electrode terminal, makes the wall portion and the electrode tip It is sub integrally formed together with the intermediate member.
4. the manufacturing method of charge storage element according to claim 3, wherein
It further include the collector change for the collector deformation for making to connect with the electrode terminal after the terminal installation procedure Shape process.
It is to have container with wall portion, electrode terminal and connect with the electrode terminal 5. a kind of manufacturing method of charge storage element The manufacturing method of the charge storage element of the collector connect, wherein including:
Terminal installation procedure, so that the electrode terminal is mounted on the wall by the state that the electrode terminal penetrates through the wall portion Portion;With
Collector deforms process, after the terminal installation procedure, the collector being connect with the electrode terminal is made to deform.
CN201780013694.4A 2016-03-17 2017-03-15 The manufacturing method of charge storage element and charge storage element Pending CN108701805A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016-054009 2016-03-17
JP2016054009 2016-03-17
PCT/JP2017/010546 WO2017159760A1 (en) 2016-03-17 2017-03-15 Power storage element and manufacturing method for power storage element

Publications (1)

Publication Number Publication Date
CN108701805A true CN108701805A (en) 2018-10-23

Family

ID=59851586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780013694.4A Pending CN108701805A (en) 2016-03-17 2017-03-15 The manufacturing method of charge storage element and charge storage element

Country Status (3)

Country Link
JP (1) JPWO2017159760A1 (en)
CN (1) CN108701805A (en)
WO (1) WO2017159760A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109564998B (en) * 2016-09-05 2022-03-08 日本汽车能源株式会社 Square secondary battery
DE102017129529A1 (en) * 2017-12-12 2019-06-13 Elringklinger Ag Electrically conductive compound and process for its production
JP7069758B2 (en) * 2018-01-31 2022-05-18 株式会社Gsユアサ Power storage element
JP2019192520A (en) * 2018-04-26 2019-10-31 Smk株式会社 Battery terminal unit and manufacturing method of battery terminal unit
JP7449047B2 (en) * 2019-06-25 2024-03-13 株式会社Gsユアサ Energy storage element and method for manufacturing energy storage element
JP2021086813A (en) * 2019-11-29 2021-06-03 トヨタ自動車株式会社 Sealed battery
DE102020200063A1 (en) 2020-01-07 2021-07-08 Elringklinger Ag Electrochemical cell, electrochemical system and method for making an electrochemical cell
EP4120382A4 (en) * 2020-03-11 2024-08-07 Toshiba Kk Connection lead and battery
DE102021207011A1 (en) 2021-07-05 2023-01-05 Elringklinger Ag Electrochemical cell, electrochemical system and method of making an electrochemical cell

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013168260A1 (en) * 2012-05-10 2013-11-14 日立ビークルエナジー株式会社 Secondary battery
CN104103796A (en) * 2013-04-08 2014-10-15 三星Sdi株式会社 Battery unit and battery module using the same
CN105009326A (en) * 2013-02-01 2015-10-28 日立汽车系统株式会社 Electricity storage device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013168260A1 (en) * 2012-05-10 2013-11-14 日立ビークルエナジー株式会社 Secondary battery
CN105009326A (en) * 2013-02-01 2015-10-28 日立汽车系统株式会社 Electricity storage device
CN104103796A (en) * 2013-04-08 2014-10-15 三星Sdi株式会社 Battery unit and battery module using the same

Also Published As

Publication number Publication date
JPWO2017159760A1 (en) 2019-01-31
WO2017159760A1 (en) 2017-09-21

Similar Documents

Publication Publication Date Title
CN108701805A (en) The manufacturing method of charge storage element and charge storage element
JP6806217B2 (en) Rechargeable battery
JP5564278B2 (en) Secondary battery
JP5917407B2 (en) Prismatic secondary battery
CN102918680B (en) Battery and battery pack
US10637035B2 (en) Energy storage device
CN106025373A (en) Prismatic secondary battery and assembled battery using the same
CN108028342A (en) The manufacture method of charge storage element and charge storage element
US10147925B2 (en) Square secondary battery
US9620762B2 (en) Electrical storage element
CN108028343A (en) Charge storage element
JP2019053863A (en) Power storage element
KR20120007467A (en) Square-sealed type secondary battery and manufacturing method thereof
CN114175391B (en) Battery cell
CN108630876A (en) Charge storage element
US10516152B2 (en) Energy storage device
JP6947575B2 (en) Manufacturing method of power storage element
US20140023913A1 (en) Prismatic secondary battery
JP2019067762A (en) Manufacturing method of power storage element, power storage element, and power storage device
JP2019061892A (en) Power storage element
JP2019061881A (en) Power storage element
JPWO2018012465A1 (en) STORAGE DEVICE AND METHOD FOR MANUFACTURING STORAGE DEVICE
CN115053393A (en) Power storage module
JP2020155283A (en) Power storage element and power storage device
JP6191336B2 (en) Storage element, storage module and container

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181023

WD01 Invention patent application deemed withdrawn after publication