CN208970637U - A kind of Zinc ion battery - Google Patents
A kind of Zinc ion battery Download PDFInfo
- Publication number
- CN208970637U CN208970637U CN201821655509.XU CN201821655509U CN208970637U CN 208970637 U CN208970637 U CN 208970637U CN 201821655509 U CN201821655509 U CN 201821655509U CN 208970637 U CN208970637 U CN 208970637U
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- China
- Prior art keywords
- zinc ion
- ion battery
- main part
- conductive connection
- current collecting
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to Zinc ion batteries, including shell, the nut cap that described shell one end is arranged in, core disposed in the housing and the anode collection disk being arranged between the nut cap and the core；The core includes the negative electrode tab for successively stacking winding, diaphragm and positive plate；The side of the positive plate is provided with afflux portion；The afflux portion and the anode collection disk are conductively connected, the Zinc ion battery passes through in the afflux portion that the setting of the side of positive plate is conductively connected with the anode collection disk, to increase the contact area of the positive plate Yu the current collecting plates, and then area of passage is increased, improves discharge rate.The Zinc ion battery has the advantages that low manufacture cost, production are simple, capacity is high and discharge rate is high.
Description
Technical field
The utility model relates to field of batteries, more specifically to a kind of Zinc ion battery.
Background technique
Zinc ion cylindrical battery at present, the substrate of the positive plate use the substrate of stainless steel material, and entire substrate
On be coated with positive electrode, so that it is smaller with the contact area of current collecting plates, in addition, stainless steel material conductivity is relatively low, so
The low problem of the existing generally existing internal resistance of cell high rate discharge of Zinc ion battery.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of Zinc ion battery that can be improved discharge rate.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of Zinc ion battery comprising
Shell, the nut cap that described shell one end is set, core disposed in the housing and setting the nut cap with it is described
Anode collection disk between core；The core includes the negative electrode tab for successively stacking winding, diaphragm and positive plate；The anode
The side of piece is provided with afflux portion；The afflux portion and the anode collection disk are conductively connected.
Preferably, the positive plate includes substrate and coating on the substrate containing the coating of positive electrode；It is described
Substrate includes the main part that can be coated with the coating, the side edge in the afflux portion and the main part, with the main part
It is integrally formed, and is arranged along the length direction of the main part.
Preferably, the region that is left white without coating positive electrode on the substrate forms the afflux portion, the afflux portion
Width is 15mm~20mm.
Preferably, the anode collection disk includes current collecting plates main part and welds with the nut cap to export the volume
At least two conductive connection parts of the electric current of core；The afflux portion is fixedly connected with the current collecting plates main part.
Preferably, the conductive connection part and the current collecting plates main part are integrally formed.
Preferably, the current collecting plates main part is equipped with several liquid injection holes of electrolysis liquid injection.
Preferably, the current collecting plates main part is equipped with several first diversion channels；And/or the conductive connection conduction
Interconnecting piece is equipped with the second diversion channel.
Preferably, the conductive connection part is equipped with several salient points connecting with the nut cap spot welding.
Preferably, at least two conductive connection part includes separated and the first conductive connection part being oppositely arranged and second
Conductive connection part.
Preferably, the current collecting plates main part shape is adapted with the core cross-sectional shape；
The material of the anode collection disk includes stainless steel, nickel, copper；The material of the positive plate include stainless steel, aluminium foil,
Or nickel.
The Zinc ion battery for implementing the utility model, has the advantages that the Zinc ion battery passes through in positive plate
Side setting with the anode collection disk be conductively connected afflux portion, to increase the contact surface of the positive plate Yu the current collecting plates
Product, and then area of passage is increased, improve discharge rate.The Zinc ion battery has low manufacture cost, makes simple, capacity height
And the advantage that discharge rate is high.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the partial structural diagram of the utility model Zinc ion battery first embodiment；
Fig. 2 is the structural schematic diagram of the utility model Zinc ion battery first embodiment core；
Fig. 3 is the structural schematic diagram of the utility model Zinc ion battery first embodiment positive plate；
Fig. 4 is the structural schematic diagram of the utility model Zinc ion battery first embodiment current collecting plates；
Fig. 5 is the structural schematic diagram of the utility model Zinc ion battery second embodiment current collecting plates.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
Fig. 1 to Fig. 4 shows the first embodiment of the utility model Zinc ion battery.
The Zinc ion battery was increased by increasing the contact area of the positive plate 13 and the anode collection disk 20
Flow area improves discharge rate.The Zinc ion battery has that low manufacture cost, production are simple, capacity is high and that discharge rate is high is excellent
Point.
As shown in Figure 1, the Zinc ion battery includes shell, setting nut cap on the housing, is arranged in the shell
Core 10 and the anode collection disk 20 being arranged between the core 10 and the nut cap.The shell its can be formed accommodate the core 10
Cavity, stainless steel can be used and be made, the shell for electrolyte injection.One end of the shell is arranged in the nut cap, is
Positive nut cap can close the shell, and electric current is exported.The core 10 can be used for generating electric current.The anode collection disk 20
It is contacted with the core 10, can be used for carrying out afflux to the electric current that the core 10 generates.
Further, which can be cylindric, can be made of stainless steel.It will of course be understood that ground, the shell
The shape of body is not limited to cylindric, can be rectangular-shape or other shapes, and the material of the shell is not limited to stainless steel
Matter, can be with other metals or metal alloy.
The nut cap can be made of stainless steel material, and bottom shape is adapted with housing cross-sectional shape, can be used for
The shell is closed, electrolyte is avoided to flow out, and it can also export electric current.
As shown in Fig. 2, the core 10 comprising negative electrode tab 11, diaphragm 12 and the utility model for zinc ion electricity
The positive plate 13 in pond, the positive plate 13, diaphragm 12 and negative electrode tab 11 successively stack and wind to form column.In the present embodiment
In, formation is cylindric, and diameter is less than the diameter of the shell, in order to put into the shell.
The negative electrode tab 11 includes substrate and is coated on coating on the base material of cathode containing negative electrode material；The substrate can be with
For metal foil, specifically, in the present embodiment, which can be copper foil.The negative electrode material can be zinc.The coating
It can be uniformly coated on the base material of cathode, to generate electric current on the base material of cathode.
The material of the diaphragm 12 can be polyethylene, polypropylene or other materials.The positive plate 13 and the negative electrode tab 11
It is separately positioned on the two sides of the diaphragm 12.The length of the diaphragm 12 is adapted with the length of the negative electrode tab 11 and the positive plate 13.
It is made as shown in figure 3, stainless steel, aluminium foil or nickel can be used in the positive plate 13 comprising substrate 131 and coating
Coating 132 on the substrate 131 containing positive electrode；The substrate 131 is metal foil, which can be uniformly coated on
Enhance 131 electrical conductive activities of substrate on the substrate 131.
Further, which can be used stainless steel, aluminium foil or nickel and is made.In this embodiment, it is preferred that should
Substrate 131 is made of stainless steel, is stainless steel paillon, and the shape of the substrate 131 can be rectangle, it will of course be understood that
Ground, in some other embodiment, the shape of the substrate 131 is not limited to rectangle, can be square or oval.
The substrate 131 includes main part 1311 and afflux portion 1312, which can be used for being coated with containing anode
The coating 132 of material, in the present embodiment, the afflux portion 1312 can be by being left white without coating positive electrode on the substrate 131
Region is formed.The afflux portion 1312 and the main part 1311 are integrally formed.It will of course be understood that ground, in some other embodiment
In, which can be separate structure with the main body.By the way that the afflux portion 1312 is arranged, which can be saved
Tab reduces the cost of manufacture of the positive plate 13 to save the making material of the positive plate 13.
The main part 1311 can be rectangle, certainly, in some other embodiment, may be square or
Other shapes.The width and area of the main part 1311 are greater than the width and area in the afflux portion 1312.It should be containing this just
The coating 132 of pole material can be uniformly coated on the main part 1311, to improve the electric conductivity of the main part 1311.
The afflux portion 1312 is arranged in 13 side of positive plate, specifically, setting in 1311 side of main part, with
The side edge of the main part 1311, and it is arranged along the length direction of the main part 1311.The afflux portion 1312 can with zinc from
The anode collection disk 20 of sub- battery is conductively connected, and can be used for increasing the contact surface of the positive plate 13 and the anode collection disk 20
Product, and then increase the area of passage of the main part 1311, and then improve the discharge rate of the main part 1311.
Further, in the present embodiment, which can be rectangle, and the afflux portion 1312 and the main body
The long side in portion 1311 connects, and length is adapted with the length of the main part 1311, specifically, the length in the afflux portion 1312 with
The length of the main part 1311 is suitable.It will of course be understood that ground, in some other embodiment, the shape in the afflux portion 1312
Be not limited to rectangle, and its length be smaller than or greater than the main part 1311 length.
Further, the width in the afflux portion 1312 is less than the width of the main part 1311, the width in the afflux portion 1312
For 15mm~20mm, in this embodiment, it is preferred that, the width in the afflux portion 1312 is 18mm, which can expose
The core 10 setting, in order to contact with the anode collection disk 20 of the Zinc ion battery, is transmitted to the anode collection for electric current
Disk 20.Specifically, the positive plate 13 and negative electrode tab 11 and the winding of diaphragm 12 form column, the afflux portion 1312 and the main part
The sum of 1311 width is greater than the height of the core 10, which protrudes from the core 10 is arranged.
The coating 132 contains positive electrode, which specifically can be able to be for metal oxide materials
Manganese dioxide, conductive agent and binder.After the positive electrode is by stirring, it is coated on the main part 1311, and in vacuum
Drying, forms the positive plate 13.
As shown in figure 4, the anode collection disk 20 includes current collecting plates main part 21 and at least two conductive connection part 22a,
22b；The current collecting plates main part 21 may be provided at one end of core 10, can be with fixed company, the afflux portion 1312 to be used for afflux
It connects, in the present embodiment, can be welded with the afflux portion 1312；At least two conductive connection part 22a, 22b are disposed on
On the outer edge of the current collecting plates main part 21, it can be connect with nut cap so that the electric current of core 10 is directed at nut cap.
It can be used metal material and is made the current collecting plates main part 21, specifically, can use stainless steel, nickel or copper
At, in this embodiment, it is preferred that, which is made of stainless steel, the shape of the current collecting plates main part 21
It is adapted, specifically, the shape of the current collecting plates main part 2111 and 10 cross-sectional shape of core with 10 cross sectional shape of core
Quite.21 shape of current collecting plates main part can be round, oval or cuboid, in this embodiment, it is preferred that,
The shape of the current collecting plates main part 21 is circle.
The current collecting plates main part 21 is equipped with several liquid injection holes 211, which injects the shell for electrolyte
In body.Several liquid injection holes 211 may include 211, two liquid injection holes 211 of a liquid injection hole or multiple liquid injection holes 211.In this reality
It applies in example, it is preferable that the liquid injection hole 211 includes seven liquid injection holes 211, and one of liquid injection hole 211 is arranged in the center of circle, remaining
Liquid injection hole 211 divides the two sides for the liquid injection hole 211 being arranged on the center of circle for two rows, and the diameter of the liquid injection hole 211 on the center of circle is greater than
The diameter of remaining liquid injection hole 211.It will of course be understood that ground, the quantity of the liquid injection hole 211111 is not limited to seven, arrangement mode
The arrangement mode be not limited to the present embodiment, in some other embodiment, which can be saved.
In the present embodiment, conductive connection part 22a, 22b and the current collecting plates main part 21 are integrally formed, and can pass through folding
It is folded to be connect with the nut cap and fixed together with epiphragma by welding, it can be used as tab use, electric current be directed at nut cap.It can
To understand ground, in some other embodiment, the conductive connection part 22a, 22b and the current collecting plates main part 21 can also be formed point
Body structure.
Conductive connection part 22a, 22b can be used metal material and be made, and specifically, stainless steel, nickel, copper can be used.?
In the present embodiment, it is preferable that conductive connection part 22a, 22b are made of stainless steel.Conductive connection part 22a, 22b shape can
Think strip, rectangle or other shapes.In this embodiment, it is preferred that the conductive connection part 22a, 22b are strip
Shape.
At least two conductive connection part 22a, 22b may include two conductive connection parts 22a, 22b or multiple conductions
Interconnecting piece 22a, 22b；In this embodiment, it is preferred that at least two conductive connection part 22a, 22b include the first conductive connection
Portion 22a and the second conductive connection part 22b.The first conductive connection part 22a and the second conductive connection part 22b is separated and is set relatively
It sets, is located at the two sides of the current collecting plates main part 21, and be integrally formed with the current collecting plates main part.It is to be appreciated that
In some other embodiment, the first conductive connection part 22a and second conductive connection part 22b are not limited to be oppositely arranged.This reality
It applies example to contact by the first conductive connection part 22a and the second conductive connection part 22b with the nut cap, it is possible to increase nut cap and core
Contact area, so as to reduce the internal resistance of battery.
In the present embodiment, which is equipped with the second diversion channel 221, and the second diversion channel 221 can avoid solder
It is flow to the surface of the conductive connection part, to reduce spot welding rosin joint rate.Second diversion channel 221 can be that rectangular-shape certainly can
To understand ground, in some other embodiment, the shape of second diversion channel 221 is not limited to rectangular-shape, and second shunting
Slot 221 can save.
Fig. 5 shows the anode collection disk of the second embodiment of the utility model Zinc ion battery, with first implementation
The difference of example is, several first diversion channels 212 are additionally provided on the current collecting plates main part 21.First diversion channel 212 can be used for
It is shunted in injection process.In the present embodiment, which includes two for separating and being arranged side by side
Diversion channel, the two diversion channels are separately positioned between two rows of liquid injection holes 211.It is to be appreciated that the number of first diversion channel 212
Amount is not limited to two, and in some other embodiment, which can be saved.
In the present embodiment, which is equipped with several salient points 222；Several salient points 222 can be with the nut cap
Spot welding connection, can be used for reducing the rosin joint rate of spot welding, improves the stability of battery.Several salient points 222 include a salient point
222, two salient points 222 or multiple salient points 222.In the present embodiment, which includes being disposed side by side on the conduction
Two groups of salient points 222 of interconnecting piece 22a, 22b；This two groups of salient points 222 are arranged along the conductive connection part length direction respectively.Every group convex
Point 222 includes four salient points 222.It will of course be understood that ground, in some other embodiment, the quantity of the salient point 222 and row
Mode for cloth is not limited to the present embodiment cited quantity and arrangement mode, and the salient point 222 can save.
Second diversion channel 221 is arranged between two groups of salient points 222, can be to the solder clicked and entered from two groups of salient points 222
It is shunted, solder is avoided to flow to the surface of the conductive connection part, to reduce spot welding rosin joint rate.
It should be understood that above embodiments only express preferred embodiments of the present invention, describe more specific
With it is detailed, but it should not be understood as limiting the scope of the patent of the utility model；It should be pointed out that for this field
Those of ordinary skill for, without departing from the concept of the premise utility, can to above-mentioned technical characterstic carry out freely
Combination, various modifications and improvements can be made, and these are all within the protection scope of the present invention；Therefore, all practical with this
The equivalents and modification that novel scope of the claims is done, should belong to the covering scope of the utility model claims.
Claims (10)
1. a kind of Zinc ion battery, which is characterized in that including shell, nut cap that described shell one end is arranged in, be arranged described
The anode collection disk (20) of core (10) and setting between the nut cap and the core (10) in shell；The volume
Core (10) includes the negative electrode tab (11) for successively stacking winding, diaphragm (12) and positive plate (13)；The one of the positive plate (13)
Side is provided with afflux portion (1312)；The afflux portion (1312) and the anode collection disk (20) are conductively connected.
2. Zinc ion battery according to claim 1, which is characterized in that the positive plate (13) include substrate (131) with
And it is coated on the coating (132) on the substrate (131) containing positive electrode；The substrate (131) includes that can be coated with the painting
The main part (1311) of layer (132), the side edge of the afflux portion (1312) and the main part (1311), with the main body
Portion (1311) is integrally formed, and is arranged along the length direction of the main part (1311).
3. Zinc ion battery according to claim 2, which is characterized in that without coating positive electrode on the substrate (131)
The region that is left white form the afflux portion (1312), the width of the afflux portion (1312) is 15mm~20mm.
4. Zinc ion battery according to claim 1, which is characterized in that the anode collection disk (20) includes current collecting plates master
Body portion (21) and with the nut cap weld with export the electric current of the core (10) at least two conductive connection parts (22a,
22b)；The afflux portion (1312) is fixedly connected with the current collecting plates main part (21).
5. Zinc ion battery according to claim 4, which is characterized in that the conductive connection part (22a, 22b) with it is described
Current collecting plates main part (21) is integrally formed.
6. Zinc ion battery according to claim 4, which is characterized in that the current collecting plates main part (21) is equipped with power supply
Solve several liquid injection holes (211) of liquid injection.
7. Zinc ion battery according to claim 4, which is characterized in that the current collecting plates main part (21) is equipped with several
First diversion channel (212)；And/or the conductive connection part (22a, 22b) is equipped with the second diversion channel (221).
8. Zinc ion battery according to claim 4, which is characterized in that the conductive connection part (22a, 22b) is equipped with
Several salient points (222) being connect with the nut cap spot welding.
9. Zinc ion battery according to claim 4, which is characterized in that at least two conductive connection part (22a,
It 22b) include the first conductive connection part (22a) and the second conductive connection part (22b) for separating and being oppositely arranged.
10. Zinc ion battery according to claim 4, which is characterized in that current collecting plates main part (21) shape and institute
Core cross-sectional shape is stated to be adapted；
The material of the anode collection disk (20) includes stainless steel, nickel, copper；The material of the positive plate (13) include stainless steel,
Aluminium foil or nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655509.XU CN208970637U (en) | 2018-10-12 | 2018-10-12 | A kind of Zinc ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655509.XU CN208970637U (en) | 2018-10-12 | 2018-10-12 | A kind of Zinc ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970637U true CN208970637U (en) | 2019-06-11 |
Family
ID=66758404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821655509.XU Active CN208970637U (en) | 2018-10-12 | 2018-10-12 | A kind of Zinc ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208970637U (en) |
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2018
- 2018-10-12 CN CN201821655509.XU patent/CN208970637U/en active Active
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