CN105449224A - Current collector for batteries - Google Patents
Current collector for batteries Download PDFInfo
- Publication number
- CN105449224A CN105449224A CN201510996898.7A CN201510996898A CN105449224A CN 105449224 A CN105449224 A CN 105449224A CN 201510996898 A CN201510996898 A CN 201510996898A CN 105449224 A CN105449224 A CN 105449224A
- Authority
- CN
- China
- Prior art keywords
- collection sheet
- flow collection
- batteries
- disk
- battery
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a current collector for batteries, and belongs to the technical field of batteries. The current collector for batteries comprises a round disc, wherein an outer side surface is vertically arranged at the outer edge of the round disc; the round disc and the outer side surface are integrated; the joint of the round disc and the side surface is an excessive arc surface; a groove body is formed by the round disc and the outer side surface; a connection hole and a connector are arranged on the round disc; one edge of the connector is bent at the joint of the connector and the connection hole; and liquid injection holes are formed above and below the connection hole. According to the current collector for batteries, the problem that the tabs of big cylindrical battery are difficult to connect with the anode and cathode end covers is solved, the contact internal resistance of the batteries is decreased, and the anode and cathode tabs as well as the anode and cathode end covers of the batteries are respectively lead out from two directions of the batteries to ensure that the heat dissipation of the batteries is uniform.
Description
Technical field
The present invention relates to cell art, specifically a kind of flow collection sheet of battery.
Background technology
Battery is in high power charging-discharging process, because the electric current flowing through battery is very large, there will be fever phenomenon at the diverse location of battery inside and outside, temperature very Gao Shihui causes cell discharge performance poor, and heat can not be controlled effectively and also can lose battery, even there is safety problem.Current diameter is greater than the cylindrical battery of 45mm, owing to being difficult to process the problem connected between lug and cover plate, the pattern of many employings lug and cover plate mechanical fasteners, often there is fastening bad phenomenon in such pattern, battery ohmic internal resistance is increased, when battery need large battery operated time, battery occurs that heating is serious, and discharge performance is poor.
As shown in Figures 1 and 2, it is respectively the structural representation of the flow collection sheet of prior art and flow collection sheet and is assembled in schematic diagram in hydrogen battery.Before assembling, flow collection sheet is a planar metal sheet, it rectangular strip 8 comprising an anchor ring 9 and be arranged at this anchor ring 9 side, rectangular strip 8 is bent, the welding edges of rectangular strip 8 is at the inner surface of the anode end cap 10 of hydrogen battery, anchor ring 9 is welded in the surface of the battery positive terminal in hydrogen battery shell, flow collection sheet by positive pole current delivery to anode end cap.The flow collection sheet of currently available technology is still difficult to solve the problem.
Summary of the invention
In view of this, it is simple that the present invention aims to provide a kind of structure, and easy for installation, cost of manufacture is low, during big current work, makes the flow collection sheet of the uniform battery of little, each parts temperature rise of battery-heating amount.
For achieving the above object, technical scheme of the present invention is achieved in that a kind of flow collection sheet of battery, comprise a disk, the outward flange of described disk is vertically provided with lateral surface, described disk and lateral surface one-body molded, the junction of described disk and lateral surface is excessive cambered surface, described disk and lateral surface form a cell body, described disk is provided with a connecting hole and a connection piece, a limit of described connector bends in the junction of itself and connecting hole, is equipped with liquid injection hole above and below described connecting hole.
Further, the top of described connecting hole is provided with four liquid injection holes.
Further, the below of described connecting hole is provided with four liquid injection holes.
Further, described liquid injection hole is that circular arc branch is on disk.
Further, the equal and opposite in direction of described connector and connecting hole.
Further, the shape of described flow collection sheet is the structure of circular, square or similar circle.
Further, the center of described connecting hole is identical with the center of disk.
Further, the material of described flow collection sheet is copper or nickel, for the negative pole end of battery.
Further, the material of described flow collection sheet is aluminium, for the positive terminal of battery.
Relative to prior art, the present invention has following advantage:
The flow collection sheet of battery of the present invention solves big column battery pole ear and is connected difficult problem with positive and negative electrode end cap, decrease the contact internal resistance of battery, the positive and negative lug of battery and positive and negative electrode end cap are drawn from the both direction of battery respectively, make the heat radiation of battery very even.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the flow collection sheet of prior art.
Fig. 2 is the schematic diagram that the flow collection sheet of prior art is assembled in hydrogen battery.
Fig. 3 is the structural representation of the flow collection sheet of battery of the present invention.
Fig. 4 is the vertical view of the flow collection sheet of battery of the present invention.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the structural representation that the flow collection sheet of battery of the present invention is assembled in battery.
In figure: 1, disk; 2, lateral surface; 3, cambered surface; 4, cell body; 5, connecting hole; 6, connector; 7, liquid injection hole; 8, rectangular strip; 9, anchor ring; 10, anode end cap; 11, anode ear; 12, negative pole end cap; 13, negative electrode lug; 14, be flexible coupling material.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood by concrete condition.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As seen in figures 3-6, a kind of flow collection sheet of battery, comprise a disk 1, the outward flange of disk 1 is vertically provided with lateral surface 2, disk 1 is one-body molded with lateral surface 2, disk 1 is excessive cambered surface 3 with the junction of lateral surface 2, disk 1 and lateral surface 2 form a cell body 4, disk 1 is provided with a connecting hole 5 and a connection piece 6, the center of connecting hole 5 is identical with the center of disk 1, connector 6 is square structure, the equal and opposite in direction of connector 6 and connecting hole 5, a limit of connector 6 bends in the junction of itself and connecting hole 5, the top of connecting hole 5 is provided with four liquid injection holes 7, the below of connecting hole 6 is provided with four liquid injection holes 7, liquid injection hole 7 is that circular arc branch is on disk 1, the material of flow collection sheet is copper or nickel, for the negative pole end of battery, the material of flow collection sheet is aluminium, for the positive terminal of battery.
The course of work of the present embodiment: the anode end cap 10 of connector 6 and battery or negative pole end cap 12 are flexible coupling, and the material 14 that will be flexible coupling is folded and placed to cell body 4 inside, save the space of battery, be welded in by disk 1 on anode ear 11 or negative electrode lug 13, liquid injection hole 7 is convenient to the injection of electrolyte.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the flow collection sheet of a battery, it is characterized in that: comprise a disk, the outward flange of described disk is vertically provided with lateral surface, described disk and lateral surface one-body molded, the junction of described disk and lateral surface is excessive cambered surface, and described disk and lateral surface form a cell body, and described disk is provided with a connecting hole and a connection piece, a limit of described connector bends in the junction of itself and connecting hole, is equipped with liquid injection hole above and below described connecting hole.
2. the flow collection sheet of a kind of battery according to claim 1, is characterized in that: the top of described connecting hole is provided with four liquid injection holes.
3. the flow collection sheet of a kind of battery according to claim 1, is characterized in that: the below of described connecting hole is provided with four liquid injection holes.
4. the flow collection sheet of a kind of battery according to any one of claim 1-3, is characterized in that: described liquid injection hole is that circular arc branch is on disk.
5. the flow collection sheet of a kind of battery according to claim 1, is characterized in that: the equal and opposite in direction of described connector and connecting hole.
6. the flow collection sheet of a kind of battery according to claim 1, is characterized in that: the shape of described flow collection sheet is the structure of circular, square or similar circle.
7. the flow collection sheet of a kind of battery according to claim 1, is characterized in that: the center of described connecting hole is identical with the center of disk.
8. the flow collection sheet of a kind of battery according to claim 1, is characterized in that: the material of described flow collection sheet is copper or nickel.
9. the flow collection sheet of a kind of battery according to claim 1, is characterized in that: the material of described flow collection sheet is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510996898.7A CN105449224A (en) | 2015-12-25 | 2015-12-25 | Current collector for batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510996898.7A CN105449224A (en) | 2015-12-25 | 2015-12-25 | Current collector for batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105449224A true CN105449224A (en) | 2016-03-30 |
Family
ID=55559183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510996898.7A Pending CN105449224A (en) | 2015-12-25 | 2015-12-25 | Current collector for batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449224A (en) |
-
2015
- 2015-12-25 CN CN201510996898.7A patent/CN105449224A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |