CN208955027U - Laminate type battery - Google Patents
Laminate type battery Download PDFInfo
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- CN208955027U CN208955027U CN201821646321.9U CN201821646321U CN208955027U CN 208955027 U CN208955027 U CN 208955027U CN 201821646321 U CN201821646321 U CN 201821646321U CN 208955027 U CN208955027 U CN 208955027U
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- platform part
- ear
- protrusion
- circuit substrate
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of laminate type battery, with ear collision from circuit substrate along platform part length direction export outside wiring.Laminate type battery (1) has lamination unit (10) and circuit substrate (20).Lamination unit (10) has: the sealing area (14a, 14b, 14c) that laminated sheet (13) is overlapped and is sealed；And it is raised (12) corresponding with generating element outstanding relative to the side sealing area Xiang Yifang.Sealing area includes platform part (14a), the side that above-mentioned platform part (14a) is exported along the positive plate (11p) and negative electrode tab (11n) that are connected to generating element.Circuit substrate (20) be configured at platform part (14a) with raised (12) the opposite side in side outstanding face.Length direction of the outside wiring (24) from circuit substrate (20) along platform part (14a) is exported in parallel.
Description
Technical field
The utility model relates to have the stacking of the lamination unit and circuit substrate that utilize laminated sheet exterior generating element
Type battery.
Background technique
It can be described as energy density height by the feature of the nonaqueous electrolyte battery of representative of lithium ion secondary battery, therefore use
Make the power supply of portable information terminal, portable game etc..It uses this on the way, in order to meet miniaturization and the such phase of high capacity
Anti- requirement, mostly using substantially rectangular using having made of the flexible laminal generating element of laminated sheet exterior
Plan view shape lamination type lithium ion secondary cell (hereinafter referred to as " lamination unit ").It is equipped with for protecting lamination unit to exempt from
The circuit substrate of the protection circuit block (safety circuit component) influenced by overdischarge and overcharge is integrated with lamination unit
To constitute laminate type battery.
Lamination unit has the sealing area for making laminated sheet be overlapped to seal on the outside of generating element.Sealing area edge
Three of substantially rectangular lamination unit while or at four,.It protrudes relative to sealing area in a side side corresponding with generating element
Protrusion.From the positive plate that export is connect with generating element on one side and negative electrode tab of lamination unit.It leads on edge in sealing area
The sealing area on the side of positive plate and negative electrode tab is known as platform part out.According to the viewpoint for minimizing laminate type battery, circuit
Substrate is generally opposed to configuration in side identical with protrusion with platform part (referring for example to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2006-114475 bulletin
Utility model content
Utility model project to be solved
It is electrically connected to carry out laminate type battery with the equipment for being packed into laminate type battery, is connected on circuit substrate sometimes
Outside wiring.In the front end of outside wiring, equipped with the connector for connect with equipment.It is outer according to being handled in equipment
The viewpoint of portion's wiring, the highly desirable length direction from circuit substrate along platform part draw outside wiring.
Generally, the ear being connect with the both ends of platform part in order to reduce the external dimensions of lamination unit, in sealing area
Portion to the identical side bending of protrusion.Therefore, in the feelings for drawing outside wiring along the length direction of platform part from circuit substrate
Under condition, a possibility that collision there are the ear after outside wiring and bending.
The purpose of this utility model is to provide a kind of laminate type batteries, put down from circuit substrate edge with not colliding with ear
The length direction in platform portion draws outside wiring.
Solution for solving the problem
The embodiment of the utility model 1 is a kind of laminate type battery, is had: being generated electricity using flexible laminated sheet exterior
Element and the lamination unit with substantially rectangular plan view shape；And protection circuit block is installed and is connected with outside wiring
Circuit substrate, which is characterized in that
Above-mentioned lamination unit has: the sealing area that above-mentioned laminated sheet is overlapped and is sealed；And relative to above-mentioned close
The side region Xiang Yifang protrusion corresponding with above-mentioned generating element outstanding is sealed,
Above-mentioned sealing area includes platform part, and above-mentioned platform part is along the positive plate for being connected to above-mentioned generating element and bears
The side that pole piece is exported,
Foregoing circuit substrate be configured at above-mentioned platform part with above-mentioned protrusion the opposite side in side outstanding face,
Length direction of the said external wiring from foregoing circuit substrate along above-mentioned platform part is exported in parallel.
Scheme 2 is laminate type battery according to scheme 1, which is characterized in that
Foregoing circuit substrate with the side that is equipped with above-mentioned protection circuit block and to be connected with the face of outside wiring opposite
Facing towards above-mentioned platform part.
Scheme 3 is the laminate type battery according to scheme 1 or 2, which is characterized in that
The automatic citrcuit bearker of turn-off current is being arranged in above-mentioned platform part with above-mentioned protrusion institute outstanding one when abnormal overheat
The face of the identical side in side.
Scheme 4 is the laminate type battery according to scheme 1~2, which is characterized in that
Above-mentioned sealing area includes to connect with the both ends of above-mentioned platform part and along upper along perpendicular to above-mentioned platform part
The Liang Ge ear in the direction on side is stated,
To side approximate right angle identical with above-mentioned protrusion the bending of above-mentioned ear.
Scheme 5 is the laminate type battery according to scheme 3, which is characterized in that
Above-mentioned sealing area includes to connect with the both ends of above-mentioned platform part and along upper along perpendicular to above-mentioned platform part
The Liang Ge ear in the direction on side is stated,
Above-mentioned ear to side bending identical with above-mentioned protrusion be approximate right angle.
Scheme 6 is a kind of laminate type battery, is had: big using having for flexible laminated sheet exterior generating element
Cause the lamination unit of the plan view shape of rectangle；And protection circuit block is installed and is connected with the circuit substrate of outside wiring,
It is characterized in that,
Above-mentioned lamination unit has: the sealing area that above-mentioned laminated sheet is overlapped and is sealed；With above-mentioned generating element pair
Answer relative to the side above-mentioned sealing area Xiang Yifang it is outstanding first protrusion；And with above-mentioned generating element accordingly relative to upper
It is raised to another party side outstanding second to state sealing area,
Above-mentioned sealing area includes: platform part, above-mentioned platform part along the positive plate for being connected to above-mentioned generating element and
The side that negative electrode tab is exported；And it is connect with the both ends of above-mentioned platform part and along above-mentioned along perpendicular to above-mentioned platform part
First ear and the second ear in the direction on side,
Above-mentioned first ear to being approximate right angle with the identical side bending of above-mentioned first protrusion,
Foregoing circuit substrate be configured at above-mentioned platform part with above-mentioned second protrusion side outstanding identical side
Face,
Said external wiring is exported in parallel from the length direction of the above-mentioned platform part of above-mentioned first ear lateral edge.
Scheme 7 is laminate type battery according to scheme 6, which is characterized in that
Above-mentioned second ear is to being approximate right angle with the identical side bending of above-mentioned first protrusion.
Scheme 8 is laminate type battery according to scheme 6, which is characterized in that
Above-mentioned second ear is to being approximate right angle with the identical side bending of above-mentioned second protrusion.
Scheme 9 is the laminate type battery according to 6~8 any one of scheme, which is characterized in that
Foregoing circuit substrate with the side that is equipped with above-mentioned protection circuit block and to be connected with the face of outside wiring opposite
Facing towards above-mentioned platform part.
Scheme 10 is the laminate type battery according to 6~8 any one of scheme, which is characterized in that
When abnormal overheat the automatic citrcuit bearker of turn-off current be set to above-mentioned platform part with the above-mentioned first raised institute protrusion
The identical side in side face.
The effect of utility model
First layer stack-type battery according to the present utility model, foregoing circuit substrate be configured at above-mentioned platform part with it is above-mentioned convex
Rise the opposite side in side outstanding face.In addition, the second laminate type battery according to the present utility model, exports outside wiring
Side the first ear relative to platform part to the side bending opposite with outside wiring.Therefore, according to the present utility model
First and second laminate type battery, can be avoided outside wiring and ear collides.
Detailed description of the invention
Figure 1A is the perspective view for constituting the lamination unit of laminate type battery of the embodiments of the present invention 1.Figure 1B is
It indicates the perspective view of the state after sealing area (ear) bending along two opposed sides of the lamination unit of Figure 1A.
Fig. 2A is the perspective view observed from the face side of the laminate type battery of the embodiments of the present invention 1.
Fig. 2 B is the side view along the laminate type battery of the arrow 2B of Fig. 2A the embodiments of the present invention 1 observed
Figure.
Fig. 2 C is the perspective view observed from the back side of the laminate type battery of the embodiments of the present invention 1.
Fig. 3 A is the perspective view for constituting the lamination unit of laminate type battery of the embodiments of the present invention 2,3.Fig. 3 B
It is the side view of the lamination unit of the embodiments of the present invention 2,3 observed along the arrow 3B of Fig. 3 A.
Fig. 4 A be indicate will to constitute the lamination unit of the laminate type battery of the embodiments of the present invention 2 along opposed
The perspective view of state after sealing area (ear) bending on two sides.Fig. 4 B is that the sheet observed along the arrow 4B of Fig. 4 A is practical
The side view of the lamination unit of novel embodiment 2.
Fig. 5 A is the perspective view observed from the first convex side of the laminate type battery of the embodiments of the present invention 2.
Fig. 5 B is the side view along the laminate type battery of the arrow 5B of Fig. 5 A the embodiments of the present invention 2 observed
Figure.
Fig. 5 C is the perspective view observed from the second convex side of the laminate type battery of the embodiments of the present invention 2.
Fig. 6 A be indicate will to constitute the lamination unit of the laminate type battery of the embodiments of the present invention 3 along opposed
The perspective view of state after sealing area (ear) bending on two sides.Fig. 6 B is that the sheet observed along the arrow 6B of Fig. 6 A is practical
The side view of the lamination unit of novel embodiment 3.
Fig. 7 A is the perspective view observed from the first convex side of the laminate type battery of the embodiments of the present invention 3.
Fig. 7 B is the side view along the laminate type battery of the arrow 7B of Fig. 7 A the embodiments of the present invention 3 observed
Figure.
Fig. 7 C is the perspective view observed from the second convex side of the laminate type battery of the embodiments of the present invention 3.
In figure:
1,2,3- laminate type battery, 10,10b, 10c- lamination unit, 11p- positive plate, 11n- negative electrode tab, 12,12a,
12b- protrusion, 13- laminated sheet, 14a- platform part (sealing area), 14b, 14c- ear (sealing area), 20- circuit substrate,
22- protects circuit block, 24- outside wiring, 27- automatic citrcuit bearker.
Specific embodiment
In the first layer stack-type battery of above-mentioned the utility model, foregoing circuit substrate with above-mentioned protection electricity is installed
The face of the opposite side of circuit unit and the face for being connected with outside wiring can also be towards above-mentioned platform part.It, can according to which
Fix circuit substrate steadily with platform part face contact.In addition, the component and platform that are installed on circuit substrate can be prevented
It collides and generates the state of affairs for making laminated sheet damage of composition platform part etc in portion.
The automatic citrcuit bearker of turn-off current is can also being set to above-mentioned platform part with above-mentioned raised institute protrusion when abnormal overheat
The identical side in side face.According to which, a possibility that applying external force to automatic citrcuit bearker, is lower, therefore improves automatic
The reliability of the movement of breaker.In addition, being improved due to can close to laminated sheet configure automatic citrcuit bearker from dynamic circuit breaker
The temperature detecting precision of road device.
Above-mentioned sealing area, which also may include, to be connect and along perpendicular to above-mentioned platform part institute with the both ends of above-mentioned platform part
The Liang Ge ear in the direction on the above-mentioned side on edge,
In this case, above-mentioned ear can also be approximate right angle to side bending identical with above-mentioned protrusion.According to the party
Formula can reduce the external dimensions of lamination unit.
In second laminate type battery of above-mentioned the utility model, above-mentioned second ear can also to it is above-mentioned first convex
Playing identical side bending is approximate right angle.Alternatively, above-mentioned second ear can also be to side identical with above-mentioned second protrusion
Bending is approximate right angle.According to which, the external dimensions of lamination unit can be reduced.
Foregoing circuit substrate with the side that is equipped with above-mentioned protection circuit block and to be connected with the face of outside wiring opposite
Face can also be towards above-mentioned platform part.According to which, circuit substrate can be made steadily to fix with platform part face contact.
In addition, can prevent the component for being installed on circuit substrate and platform part from colliding and generating the laminated sheet for making to constitute platform part and damage
Etc the state of affairs.
When abnormal overheat the automatic citrcuit bearker of turn-off current can also be set to above-mentioned platform part with the above-mentioned first raised institute
The opposite one side in side outstanding.It is mentioned according to which since a possibility that applying external force to automatic citrcuit bearker is lower
The reliability of the movement of high automatic citrcuit bearker.In addition, being improved due to can close to laminated sheet configure automatic citrcuit bearker
The temperature detecting precision of automatic citrcuit bearker.
Hereinafter, showing preferred embodiment the utility model to be described in detail.But, it goes without saying that this reality
The following embodiments and the accompanying drawings is not limited to novel.In the following description, each of reference is schemed for ease of description and simplifiedly
The main component for constituting the embodiments of the present invention is shown.Therefore, the utility model can have in each figure below and not show
Arbitrary component out.In addition, changing or omitting each portion shown in each figure below in the scope of the utility model
Part.In the explanation of each embodiment in cited attached drawing, for shown in the attached drawing quoted in first embodiment
The corresponding component of component, mark identical with the symbol marked in the attached drawing of the first embodiment symbol.For this
The component of sample, the repetitive description thereof will be omitted, it should suitably refer to the explanation of leading embodiment.
(embodiment 1)
Figure 1A is the laminate type battery 1 for constituting the embodiments of the present invention 1 (referring to aftermentioned Fig. 2A~Fig. 2 C)
The perspective view of lamination unit (hereinafter referred to as " unit ") 10.Unit 10 has substantially rectangular plan view shape, with the substantially square
The size in length and breadth of shape is compared, the thin sheet form with thinner thickness.The unit 10 in the exterior being made of laminated sheet 13 with
Electrolyte is enclosed the laminal generating element (not shown) with substantially rectangular plan view shape together and is formed.Generating element is
Positive electrode collector presumptive area two sides coating be formed with the positive electrode material mixture layer containing positive active material anode and
The two sides coating of the presumptive area of negative electrode collector be formed with the cathode of the anode mixture layer containing negative electrode active material via point
From electrode layered product made of device alternatively laminated.The type of battery is not particularly limited, but preferred secondary cell, especially lithium from
Sub- secondary cell.
Laminated sheet 13 is thinner than generating element, and has flexibility.Laminated sheet 13 is such as being also possible in the structure as aluminium
At base the side opposed with generating element face on lamination thermal bonding resin layer (such as modified polyolefin hydrocarbon layers) form
Flexible multi-layer sheet.The doubling in a manner of clipping generating element of laminated sheet 13 of one rectangle, coincidence are generating electricity
The outside of element simultaneously utilizes the sealing such as heat seal method.Sealing area 14a, 14b, 14c of laminated sheet 13 are sealed with along substantially square
Three sides of the unit 10 of shape.Sealing area 14a, 14b, 14c are along a common plane.Substantially square corresponding with generating element
The protrusion 12 of shape is prominent relative to sealing area 14a, the side 14b, 14c Xiang Yifang.As unit 10, relative to sealing area
14a, 14b, 14c only the side Xiang Yifang protrude protrusion 12 unit be commonly referred to as " single-tab type (piece エ Application ボ ス type) " or
It is conceived to the shaping form of laminated sheet 13 and is known as " Dan Lashen type (piece twists り type) ".In the present invention, for the ease of saying
It is bright, in the unit 10 of unilateral male-type, the face of raised 12 sides outstanding is known as to " front " of unit 10, it will in contrast
The face of side is known as " back side " of unit 10.In addition, the direction for linking front and back is known as " thickness direction " or " height side
To ".The direction parallel with the common plane of sealing area 14a, 14b, 14c is known as " horizontal direction ".
Positive plate 11p and negative electrode tab 11n is exported from sealing area 14a.Positive plate 11p and negative electrode tab 11n has length
Square shape, along the direction orthogonal to the longitudinal direction of sealing area 14a (i.e., with the one of the both ends for being connected to sealing area 14a
The direction parallel to sealing area 14b, 14c) extend.Positive plate 11p is for example made of the thin plate of aluminium, and with constitute generating element
Multiple positive electrode collectors it is (not shown) electrical connection.In addition, negative electrode tab 11n is for example made of thin plate of nickel etc., and sent out with constituting
The electrical connection (not shown) of multiple negative electrode collectors of electric device.
In the present invention, " platform part will be known as sealing area 14a derived from positive plate 11p and negative electrode tab 11n
(portion テ ラ ス) ".In addition, sealing area 14b, 14c for connecting with the both ends of platform part 14a are known as " ear ".Ear 14b,
14c extends while vertical along with unit 10, and the unit 10 is along platform part 14a.For the external dimensions of reduction unit 10, such as
Shown in Figure 1B, ear 14b, 14c are to relative to platform part 14a bending being approximate right angle with raised 12 identical sides.After bending
Ear 14b, 14c using double-faced adhesive tape etc. be fixed on protrusion 12 side.Platform part 14a by 12 and ear 14b of protrusion,
14c surrounds three of them direction.
Fig. 2A is the solid observed from the face side (raised 12 sides) of laminate type battery (hereinafter referred to as " battery ") 1
Figure.Fig. 2 B is the side view along the arrow 2B of Fig. 2A battery 1 observed.Fig. 2 C be observed from the back side of battery 1 it is vertical
Body figure.Battery 1 has unit 10, circuit substrate 20, outside wiring 24, automatic citrcuit bearker 27.
As shown in Figure 2 A, automatic citrcuit bearker 27 is being set to the side identical with 12 institute side outstanding of protrusion of platform part 14a (just
Surface side) face (front of platform part 14a).The method that automatic citrcuit bearker 27 is fixed on platform part 14a is not particularly limited, but
It is able to use such as double-faced adhesive tape or bonding agent.Electric current when automatic citrcuit bearker 27 has abnormal overheat as turn-off current
Disconnect the laminal element body portion that device functions.First lead is exported in the opposite directions to each other from element body portion
27a and the second lead 27b.First lead 27a and the second lead 27b is the rectangular shape being made of conductive metal
Thin plate.The positive plate 11p derived from the unit 10 is connect to raised 12 sides substantially bending in U-shaped manner with first lead 27a.
Second lead 27b is connect via conductive sheet 28 with the positive input terminal of circuit substrate 20 (not shown).Conductive sheet 28 be by
The thin plate for the rectangular shape that conductive metal (such as nickel) is constituted.Conductive sheet 28 is to clamp platform part 14a and circuit base
The substantially bending in U-shaped manner of the mode of plate 20.
As shown in Figure 2 C, circuit substrate 20 be configured at platform part 14a with protrusion 12 side outstanding it is opposite with side
The face of (back side).Circuit substrate 20 is elongated generally rectangular laminal object, is had roughly the same with platform part 14a
Lengthwise dimension.The method that circuit substrate 20 is fixed on platform part 14a is not particularly limited, such as is able to use double-sided adhesive
Crossed belt or bonding agent.The protection circuit portion being made of electronic components such as FET elements is installed in the first face of circuit substrate 20
Part (safety circuit component) 22, can also be randomly formed charging circuit.In the present embodiment, there are three protect circuit for installation
Component 22, but it's not limited to that for the number of protection circuit block 22, and be arbitrary.It is also set in the first face of circuit substrate 20
There are positive input terminal and negative input terminal (not shown).Conductive sheet 28 is connected in positive input terminal.In cathode
Input terminal is substantially to be connected with the negative electrode tab 11n derived from the unit 10 in U-shaped manner to 20 side bending of circuit substrate.
Outside wiring 24 is also connected in the first face of circuit substrate 20.Sealing part 24b is to being set to the of circuit substrate 20
The interconnecting piece of terminal (not shown) on one side and 24 electricity of outside wiring carries out sealing and insulate.Sealing part 24b is by well known glue
(glue), the resin with insulating properties, bonding agent are constituted.One side side of the length direction of outside wiring 24 and circuit substrate 20
The end of (side ear 14b) nearby connects, flat along the length direction of platform part 14a (or circuit substrate 20) from circuit substrate 20
It exports capablely.Connector 24a is equipped in the front end of outside wiring 24.Connector 24a is incorporated with the company of the equipment of battery 1 with being set to
Connect device (equipment side-connector) connection.Charging and discharging can be carried out to battery 1 via outside wiring 24.Outside wiring 24 is by having
More flexible (being three in present embodiment 1) cables are constituted.The classification of multi-cable is not particularly limited, but can also be with
Temperature detection cable etc. including, for example, the temperature detection for carrying out electrode cable, cathode cable, lamination unit 10.It constitutes
The number of the cable of outside wiring 24, the function of each cable are not limited to present embodiment, can arbitrarily change.It can also be with
Omit connector 24a.
Unit 10, circuit substrate 20 and automatic citrcuit bearker 27 also can according to need and by outer packaging sheet (not shown)
Covering.There is no limit for outer packaging sheet, but constitutes such as by resin or paper with insulating properties.
In the battery 1 of present embodiment 1, outside wiring 24 from circuit substrate 20 cross ear 14b and with ear 14b in straight
Export to angle.This be conducive to the simplification of the processing of the outside wiring 24 in the equipment for being incorporated with battery 1, the equipment it is small-sized
Change.
The circuit substrate 20 for being connected with outside wiring 24 be configured at platform part 14a with the face of raised 12 opposite sides.
Therefore, it can be avoided the collision of outside wiring 24 Yu ear 14b.It is different from present embodiment 1, make circuit substrate 20 and platform
Portion 14a is opposed to configuration relative to platform part 14a and with raised 12 identical side, there are outside wiring 24 with
To a possibility that collision with the ear 14b of raised 12 identical side bendings.Especially since protrusion 12 is relatively thin, therefore ear
14b have with raised 12 roughly the same height, moreover, configuring the top surface unlike protrusion 12 more to height for circuit substrate 20
Spend direction situation outstanding under, outside wiring 24 and ear 14b collision a possibility that it is higher.If outside wiring 24 and ear 14b
Collision, then ear 14b is deformed, and there is the impaired possibility of laminated sheet for constituting ear 14b.The damage of laminated sheet
Return the intrusion of leakage, moisture into unit 10, the short circuit in unit 10 of electrolyte caused by the breakage for generating laminated sheet
Deng accident.In the present embodiment, the circuit substrate 20 comprising outside wiring 24 be configured at relative to platform part 14a and and ear
Portion 14b opposite side, therefore can avoid the collision of outside wiring 24 and ear 14b.Therefore, it can reduce and above-mentioned accident occur
A possibility that, improve safety.
Additionally, there are due to cutting off laminated sheet 13 aluminium of its base ear 14b ora terminalis expose the case where.This feelings
Under condition, if the conductive part (especially cathode) of outside wiring 24 starts to corrode in the aluminium short circuit of exposing.In present embodiment
In, since the circuit substrate 20 comprising outside wiring 24 is configured relative to platform part 14a in the side opposite with ear 14b, because
Even if this exposes aluminium in ear 14b, above-mentioned short circuit will not be generated.Present embodiment 1 also improves safety from this point.
Circuit substrate 20 with protection circuit block 22 is installed and to be connected with the first face of outside wiring 24 opposite
The face (the second face) of side is towards the side platform part 14a.Second face of circuit substrate 20 is actually flat surface.Due to make this second
Face is actually that the back side of flat surface is opposed, therefore can make circuit substrate 20 and platform part 14a face contact with platform part 14a's
And it steadily fixes.If different from present embodiment 1, make first facing towards platform part 14a, then there is the installation in first face that is set to
Component (protection circuit block 22, sealing part 24b etc.) is collided with platform part 14a, and the laminated sheet for constituting platform part 14a is damaged
Bad a possibility that.In the second present embodiment 1 facing towards the side platform part 14a for making circuit substrate 20, reduce it is this can
It can property.But it is also possible to it is different from present embodiment 1, so that the first face for being equipped with circuit substrate 20 (protection circuit portion is installed
Part 22 and the face for being connected with outside wiring 24) towards the side platform part 14a, and by circuit substrate 20 it is fixed on platform part 14a.
Automatic citrcuit bearker 27 is not provided in circuit substrate 20, but the identical with protrusion 12 of platform part 14a is arranged in
The face of side.Therefore, a possibility that applying external force to automatic citrcuit bearker 27 is lower.This is conducive to improve the dynamic of automatic citrcuit bearker 27
The reliability of work.In addition, being conducive to due to can closely configure automatic citrcuit bearker 27 with the laminated sheet 13 of unit 10
Improve the temperature detecting precision of automatic citrcuit bearker 27.But it is also possible to it is different from present embodiment 1, automatic citrcuit bearker 27 is set
It sets in the first face or the second face of circuit substrate 20.
(embodiment 2)
Fig. 3 A is the laminate type battery 2 for constituting the embodiments of the present invention 2 (referring to aftermentioned Fig. 5 A~Fig. 5 C)
The perspective view of lamination unit (hereinafter referred to as " unit ") 10b.Fig. 3 B is along the side of the arrow 3B of Fig. 3 A unit 10b observed
View.In the unit 10b of present embodiment 2, substantially rectangular raised 12a, 12b corresponding with generating element are relative to sealing
Region 14a, 14b, 14c are prominent to the two sides of thickness direction.Relative to sealing area 14a, the side 14b, 14c Xiang Yifang outstanding
The projecting height of one protrusion 12a both can be identical with the projecting height to another party side the second protrusion 12b outstanding, can also not
Together.It is commonly referred to as relative to sealing area 14a, 14b, 14c in the unit that two sides protrude raised 12a, 12b as unit 10b
For " biconvex type " or it is conceived to the shaping form of laminated sheet 13 and is known as " double drawing types ".The first protrusion 12a will be linked
It is known as " thickness side " or " short transverse " with the direction of the second protrusion 12b.
As shown in Figure 4A and 4B, identical as embodiment 1, for the external dimensions of reduction unit 10b, ear 14b,
14c is approximate right angle relative to platform part 14a bending to side identical with the first protrusion 12a.Ear 14b, 14c after bending
The side of the first protrusion 12a is fixed on using double-faced adhesive tape etc..Platform part 14a is by the first protrusion 12a and ear's 14b, 14c packet
Enclose three of them direction.
Fig. 5 A is the perspective view observed from the first protrusion side 12a of laminate type battery (hereinafter referred to as " battery ") 2.Figure
5B is the side view along the arrow 5B of Fig. 5 A battery 2 observed.Fig. 5 C is observed from the second protrusion side 12b of battery 2
Perspective view.Identical as embodiment 1, battery 2 has unit 10b, circuit substrate 20, outside wiring 24, automatic citrcuit bearker 27.
As shown in Figure 5A, automatic citrcuit bearker 27 is set on the identical with the first protrusion institute side outstanding 12a of platform part 14a
The face (the first face of platform part 14a) of side.As shown in Figure 5 C, circuit substrate 20 be configured at platform part 14a with second protrusion
12b the identical side in side outstanding face (the second face of platform part 14a).It is linked in the first face of circuit substrate 20 outer
Portion's wiring 24.Outside wiring 24 and the end of a side side (the first side ear 14b) for the length direction of circuit substrate 20 nearby connect
It connects, is exported in parallel from the length direction of the first ear 14b lateral edge platform part 14a (or circuit substrate 20).
In present embodiment 2, outside wiring 24 in the side identical with the second protrusion 12b relative to platform part 14a,
It crosses the first ear 14b and is exported.First ear 14b is bent over to the first protrusion side 12a.Due to the first ear 14b and outside
Portion's wiring 24 is arranged respectively at opposite side relative to platform part 14a, therefore can be avoided outside wiring 24 and the first ear 14b
Collision.Therefore, it can reduce the damage of the first ear 14b caused by the collision of outside wiring 24, generate outside wiring 24 and the
A possibility that short circuit of one ear 14b.This is conducive to the safety for improving battery 2.
In present embodiment 2, the first face of circuit substrate 20 can also be made (protection circuit block 22 to be installed and linked
Have the face of outside wiring 24) platform part 14a is fixed on towards the side platform part 14a, and by circuit substrate 20.Alternatively, it is also possible to incite somebody to action
Automatic citrcuit bearker 27 is set to circuit substrate 20.
Present embodiment 2 is identical as embodiment 1 than the above described structure.The explanation of embodiment 1 is suitable for this reality
Apply mode 2.
(embodiment 3)
Fig. 6 A is the laminate type battery 3 for constituting the embodiments of the present invention 3 (referring to aftermentioned Fig. 7 A~Fig. 7 C)
The perspective view of lamination unit (hreinafter referred to as " unit ") 10c.Fig. 6 B is the unit 10c observed along the arrow 6B of Fig. 6 A
Side view.Unit 10c is identical as the unit 10b of embodiment 2, is biconvex type unit (referring to Fig. 3 A, Fig. 3 B).But with
Embodiment 2 is different, and in present embodiment 3, the first ear 14b is to side identical with the first protrusion 12a relative to platform
Portion's 14a bending is approximate right angle, and the second ear 14c is relative to platform part 14a bending to side identical with the second protrusion 12b
Approximate right angle.First and second ear 14b, 14c after bending is individually fixed in first and using double-faced adhesive tape etc.
The side of two protrusion 12a, 12b.Platform part 14a surrounds both direction by the first protrusion 12a and the first ear 14b, in addition, by the
Two protrusion 12b and the second ear 14c surround both direction.
Fig. 7 A is the perspective view observed from the first protrusion side 12a of laminate type battery (hereinafter referred to as " battery ") 3.Figure
7B is the side view along the arrow 7B of Fig. 7 A battery 3 observed.Fig. 7 C is observed from the second protrusion side 12b of battery 3
Perspective view.Identical as embodiment 1,2, battery 3 has unit 10c, circuit substrate 20, outside wiring 24, automatic citrcuit bearker 27.
As shown in Figure 7 A, automatic citrcuit bearker 27 is set on the identical with the first protrusion institute side outstanding 12a of platform part 14a
The face (the first face of platform part 14a) of side.As seen in figure 7 c, circuit substrate 20 is set on the platform part 14a and second protrusion 12b
The identical side in side outstanding face (the second face of platform part 14a).The length side of outside wiring 24 and circuit substrate 20
To the end of a side side (the first side ear 14b) nearby connect, from the first ear 14b lateral edge platform part 14a (or circuit base
Plate 20) length direction export in parallel.
It is identical as embodiment 2, even if outside wiring 24 is relative to platform part 14a and in present embodiment 3
The two identical sides protrusion 12b, also cross the first ear 14b and are exported.First ear 14b is rolled over to the first protrusion side 12a
It is curved.First ear 14b and outside wiring 24 are arranged respectively at opposite side relative to platform part 14a, therefore can be avoided outside and match
The collision of line 24 and the first ear 14b.Therefore, the damage of the first ear 14b caused by the collision of outside wiring 24 can be reduced, produced
A possibility that short circuit of raw outside wiring 24 and the first ear 14b.This is advantageously used for the safety for improving battery 2.
In present embodiment 3, the first face of circuit substrate 20 can also be made (protection circuit block 22 to be installed and connected
Have the face of outside wiring 24) platform part 14a is fixed on towards the side platform part 14a, and by circuit substrate 20.Alternatively, it is also possible to incite somebody to action
Automatic citrcuit bearker 27 is set to circuit substrate 20.
Present embodiment 3 is identical as embodiment 1,2 in addition to the foregoing.The explanation of embodiment 1,2 is suitable for this reality
Apply mode 3.
Above-mentioned Embodiments 1 to 3 only illustrate.The utility model be not limited to above-mentioned embodiment 1~
3, it is able to carry out and suitably changes.
Installing component (protection circuit block 22, sealing part 24b), positive input terminal, cathode on circuit substrate 20 is defeated
The configuration for entering terminal etc. can be changed arbitrarily.There is no limit for the number of protection circuit block 22.It can also be on circuit substrate 20
Component other than above-mentioned component is set.
Connection path between the positive plate 11p and negative electrode tab 11n and circuit substrate 20 of unit 10 is not limited to
The Embodiments 1 to 3 stated.For example, the first lead 27a of positive plate 11p and automatic citrcuit bearker 27 can also be via other conduction
Property piece connection.Automatic citrcuit bearker 27 can also be set between negative electrode tab 11n and negative input terminal 21n.
In embodiment 1,2, outside wiring 24 can not also be from ear 14b but from ear 14c lateral edge platform part 14a
Length direction be exported.It, also can not be from the first ear 14b but from the second ear 14c lateral edge platform in embodiment 3
The length direction of portion 14a exports outside wiring 24.In this case, the first ear 14b is to side phase identical with the second protrusion 12b
It is approximate right angle for platform part 14a bending, the second ear 14c is to side identical with the first protrusion 12a relative to platform part
14a bending is approximate right angle.I.e., export outside wiring 24 side ear (14a or 14b) relative to platform part 14a to
It is approximate right angle with 24 opposite side bending of outside wiring.
Industrial availability
The utility model using field, there is no limit but be built in portable electric as require high volume energy density
The battery of sub- equipment can be utilized in broad range.For example, can be preferably as being built in portable phone, smart phone, plate
The battery of the small-size high-capacity of the electronic equipments such as formula terminal, notebook computer, electronic dictionary, e-book, portable game
To utilize.
Claims (10)
1. a kind of laminate type battery, has: using flexible laminated sheet exterior generating element and having substantially rectangular
The lamination unit of plan view shape；And protection circuit block is installed and is connected with the circuit substrate of outside wiring,
It is characterized in that,
Above-mentioned lamination unit has: the sealing area that above-mentioned laminated sheet is overlapped and is sealed；And relative to above-mentioned seal area
The domain side Xiang Yifang protrusion corresponding with above-mentioned generating element outstanding,
Above-mentioned sealing area includes platform part, and above-mentioned platform part is along the positive plate and negative electrode tab for being connected to above-mentioned generating element
The side being exported,
Foregoing circuit substrate be configured at above-mentioned platform part with above-mentioned protrusion the opposite side in side outstanding face,
Length direction of the said external wiring from foregoing circuit substrate along above-mentioned platform part is exported in parallel.
2. laminate type battery according to claim 1, which is characterized in that
Foregoing circuit substrate with above-mentioned protection circuit block is installed and the face of side that be connected with the face of outside wiring opposite
Towards above-mentioned platform part.
3. laminate type battery according to claim 1 or 2, which is characterized in that
When abnormal overheat the automatic citrcuit bearker of turn-off current above-mentioned platform part is set with above-mentioned protrusion institute side phase outstanding
The face of same side.
4. laminate type battery according to claim 1 or 2, which is characterized in that
Above-mentioned sealing area includes to connect with the both ends of above-mentioned platform part and along the above-mentioned side along perpendicular to above-mentioned platform part
Direction Liang Ge ear,
Above-mentioned ear to side bending identical with above-mentioned protrusion be approximate right angle.
5. laminate type battery according to claim 3, which is characterized in that
Above-mentioned sealing area includes to connect with the both ends of above-mentioned platform part and along the above-mentioned side along perpendicular to above-mentioned platform part
Direction Liang Ge ear,
Above-mentioned ear to side bending identical with above-mentioned protrusion be approximate right angle.
6. a kind of laminate type battery, has: substantially rectangular using having for flexible laminated sheet exterior generating element
The lamination unit of plan view shape；And protection circuit block is installed and is connected with the circuit substrate of outside wiring,
It is characterized in that,
Above-mentioned lamination unit has: the sealing area that above-mentioned laminated sheet is overlapped and is sealed；Accordingly with above-mentioned generating element
Relative to the side above-mentioned sealing area Xiang Yifang the first protrusion outstanding；And with above-mentioned generating element accordingly relative to above-mentioned close
It is raised to another party side outstanding second to seal region,
Above-mentioned sealing area includes: platform part, and above-mentioned platform part is along the positive plate and cathode for being connected to above-mentioned generating element
The platform part on the side that piece is exported；And it is connect with the both ends of above-mentioned platform part and along perpendicular to along above-mentioned platform part
First ear and the second ear in the direction on above-mentioned side,
Above-mentioned first ear to being approximate right angle with the identical side bending of above-mentioned first protrusion,
Foregoing circuit substrate be configured at above-mentioned platform part with above-mentioned second protrusion the identical side in side outstanding face,
Said external wiring is exported in parallel from the length direction of the above-mentioned platform part of above-mentioned first ear lateral edge.
7. laminate type battery according to claim 6, which is characterized in that
Above-mentioned second ear is to being approximate right angle with the identical side bending of above-mentioned first protrusion.
8. laminate type battery according to claim 6, which is characterized in that
Above-mentioned second ear is to being approximate right angle with the identical side bending of above-mentioned second protrusion.
9. according to laminate type battery described in any one of claim 6~8, which is characterized in that
Foregoing circuit substrate with above-mentioned protection circuit block is installed and the face of side that be connected with the face of outside wiring opposite
Towards above-mentioned platform part.
10. according to laminate type battery described in any one of claim 6~8, which is characterized in that
When abnormal overheat the automatic citrcuit bearker of turn-off current be set to above-mentioned platform part with above-mentioned first protrusion institute outstanding one
The face of the identical side in side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681785.1U CN209947883U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
| CN201920681765.4U CN209843753U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-198739 | 2017-10-12 | ||
| JP2017198739 | 2017-10-12 | ||
| JP2018006571A JP6963865B2 (en) | 2017-10-12 | 2018-01-18 | Laminated battery |
| JP2018-006571 | 2018-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920681765.4U Division CN209843753U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
| CN201920681785.1U Division CN209947883U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208955027U true CN208955027U (en) | 2019-06-07 |
Family
ID=66543317
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920681785.1U Active CN209947883U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
| CN201821646321.9U Active CN208955027U (en) | 2017-10-12 | 2018-10-10 | Laminate type battery |
| CN201920681765.4U Active CN209843753U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920681785.1U Active CN209947883U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920681765.4U Active CN209843753U (en) | 2017-10-12 | 2018-10-10 | Laminated battery |
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| JP (1) | JP6963865B2 (en) |
| CN (3) | CN209947883U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112467261B (en) * | 2020-11-24 | 2023-03-28 | 东莞新能德科技有限公司 | Battery and device using battery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001035465A (en) * | 1999-07-19 | 2001-02-09 | Toshiba Battery Co Ltd | Pack structure of flat battery |
| JP3909515B2 (en) * | 2001-11-30 | 2007-04-25 | 株式会社東芝 | Battery pack |
| JP2003257413A (en) * | 2002-02-28 | 2003-09-12 | Ngk Spark Plug Co Ltd | Nonaqueous secondary battery |
| KR101031178B1 (en) * | 2008-01-10 | 2011-04-26 | 주식회사 엘지화학 | Slim-Typed Secondary Battery |
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2018
- 2018-01-18 JP JP2018006571A patent/JP6963865B2/en active Active
- 2018-10-10 CN CN201920681785.1U patent/CN209947883U/en active Active
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| Publication number | Publication date |
|---|---|
| JP2019075356A (en) | 2019-05-16 |
| CN209843753U (en) | 2019-12-24 |
| JP6963865B2 (en) | 2021-11-10 |
| CN209947883U (en) | 2020-01-14 |
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Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |