CN110459729B - Pole for battery and preparation method thereof - Google Patents
Pole for battery and preparation method thereof Download PDFInfo
- Publication number
- CN110459729B CN110459729B CN201910700642.5A CN201910700642A CN110459729B CN 110459729 B CN110459729 B CN 110459729B CN 201910700642 A CN201910700642 A CN 201910700642A CN 110459729 B CN110459729 B CN 110459729B
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- Prior art keywords
- cylindrical cavity
- pole
- middle platform
- lower cylindrical
- battery
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- 238000002360 preparation method Methods 0.000 title abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052709 silver Inorganic materials 0.000 claims abstract description 10
- 239000004332 silver Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000009713 electroplating Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/46—Electroplating: Baths therefor from solutions of silver
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a polar pole for a battery and a preparation method thereof, and belongs to the technical field of batteries. The battery is characterized in that the battery pole sequentially comprises from top to bottom: an upper cylindrical cavity, a middle platform and a lower cylindrical cavity; the pole base body is made of red copper, and a silver layer is plated on the outer surface of the red copper; the upper cylindrical cavity is provided with internal threads, and the upper end part of the inner wall of the upper cylindrical cavity is provided with a chamfer A; the middle platform is of a square structure; the inner cavity of the lower cylindrical cavity is a round hole or an elliptical hole, a chamfer B is arranged at the lower end part of the inner wall of the lower cylindrical cavity, the upper cylindrical cavity, the middle platform and the lower cylindrical cavity are in a coaxial relation, and two coaxial circular through holes are formed in the side wall of the polar column wall. The battery pole has the characteristics of simple structure, small volume, full space utilization, wide application range, no influence on the performance of the pole plate group, no damage to the pole plate, high reliability and the like.
Description
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a battery pole and a preparation method thereof.
Background
At present, batteries are widely applied to various fields because of the characteristics of high specific energy, high specific power, capability of discharging with large current, stable discharge voltage, high voltage precision, good reliability and safety and the like. Such as: the zinc-silver reserve battery generally comprises a battery shell, a socket, a gas generator, a liquid reservoir, a combined polar plate group and the like. The combined electrode plate group is a key component in the battery, namely a source of electric energy of the battery. The combined plate group is formed by connecting a plurality of plate groups (namely single batteries) in series, each plate group is formed by assembling a plurality of positive plates, negative plates and diaphragms, after the positive plate guide lugs and the negative plate guide lugs are respectively connected and fixed with the poles, each plate group is respectively placed in adjacent plate group grooves, and the plate group grooves are separated by partition plates. In order to ensure the long-term storage of the battery, the electrolyte and the combined electrode plate group are stored separately before the battery is used, the liquid reservoir is connected with the combined electrode plate group through a connecting pipe, the liquid reservoir is separated by a fixed diaphragm, and the other end of the liquid reservoir is provided with a gas generator capable of generating gas pressure. When the battery is used, the external activation power supply is connected through the socket to ignite the gas generator, so that the gas generator generates enough pressure, electrolyte in the liquid reservoir is injected into the liquid inlet distribution channel of the combined polar plate group and then is distributed to each polar plate group groove, each single battery is activated to establish electromotive force, and voltage is output outwards through the socket.
The current connection and fixation modes of the pole plate guide lug and the pole column comprise soldering, rivet or screw connection and the like. The existing connection and fixation mode has the problems of complex structure, large volume, insufficient space utilization, narrow application range, easy influence on the performance of an electrode plate group (such as soldering high temperature and soldering flux alignment, damage or pollution to a negative plate and a diaphragm), easy damage to the electrode plate (such as damage to the positive plate, the negative plate and a guide lug caused by riveting or screwing operation), and the like, and finally influences the overall performance of the work of the zinc-silver reserve battery.
Disclosure of Invention
The invention provides a pole for a battery and a preparation method thereof, aiming at solving the technical problems in the prior art. The structure is simple, the volume is small, the space is fully utilized, the application range is wide, the performance of the electrode plate group is not affected, the electrode plate is not damaged, the reliability is high, and the like.
The technical scheme adopted by the battery pole is as follows:
the invention aims to provide a pole for a battery, which comprises an upper cylindrical cavity, a middle platform and a lower cylindrical cavity; the material of the pole base body is red copper, and the surface is plated with silver; the upper cylindrical cavity adopts an internal thread structure and adopts a chamfer angle A structure; the middle platform adopts a square structure; the lower cylindrical cavity adopts a circular hole or elliptical hole structure and a chamfer structure, and the pole wall is provided with two circular through holes.
The battery pole can also adopt the following technical scheme:
the pole for the battery is characterized in that the material of the matrix of the pole is red copper T2, and the surface of the matrix is plated with silver of 5-10 mu m.
The upper cylindrical cavity of the pole for the battery adopts an internal thread structure, the thread size of the pole is selected according to a fastening screw matched with the internal thread structure, and the pole adopts a chamfer structure.
The middle platform of the pole for the battery is of a square structure, the length and width of the middle platform are selected according to the length and width of the pole plate group groove, and the height of the middle platform is 1-3 mm.
The utmost point post for battery, lower part cylinder cavity adopt round hole or elliptical aperture structure, the polar plate is led the ear and is adopted the round hole structure when filamentous, the polar plate is led the ear and is adopted the elliptical aperture structure when flaky, lead the ear put into the lower part cylinder cavity during the use after the cold pressing can, and adopt chamfer B structure, and two diameters of utmost point post wall processing are 1mm ~ 3mm circular through-holes.
The upper cylindrical cavity, the middle platform and the lower cylindrical cavity are of an integrally formed structure.
The second purpose of the invention is to provide a preparation method of a pole for a battery; the method comprises the following steps:
step 101, preparing a pole base body: the pole base body is machined and comprises an upper cylindrical cavity, a middle platform and a lower cylindrical cavity, and the pole base body is made of red copper T2;
step 102, processing an upper cylindrical cavity: processing internal threads in the upper cylindrical cavity, processing the size of the threads of the upper cylindrical cavity according to a fastening screw matched with the threads of the upper cylindrical cavity, and processing a chamfer;
step 103, processing a middle platform: the middle platform is of a square structure, the length and width of the middle platform are processed according to the length and width of the polar plate group groove, and the height of the middle platform is 1-3 mm;
step 104, processing a lower cylindrical cavity: two circular through holes with the diameter of 1-3 mm are processed on the pole column wall of the lower cylindrical cavity, chamfers are processed, the lower cylindrical cavity is of a circular hole or elliptical hole structure, a circular hole structure is adopted when the pole plate guide lug is filamentous, an elliptical hole structure is adopted when the pole plate guide lug is flaky, and the pole plate guide lug can be cold-pressed after being placed into the lower cylindrical cavity when in use;
step 105, pole electroplating: after the steps are finished, the surface is plated with silver by 5-10 mu m, and the preparation process of the pole for the battery is finished.
The invention has the advantages and positive effects that:
as the pole for the battery and the preparation method thereof adopt the brand new technical scheme, compared with the prior art, the invention has the following characteristics:
1. the pole prepared by the invention comprises an upper cylindrical cavity, a middle platform and a lower cylindrical cavity, and the integrated structure is adopted, so that the structure is simpler, the volume is smaller, and the space utilization is more sufficient;
2. the cylindrical cavity at the upper part of the pole prepared by the invention is processed with a chamfer, so that the process operability of the connection of the pole and a fastening screw is improved;
3. the middle platform of the pole prepared by the invention is tightly matched with the polar plate group groove, so that the risk of rotation of the pole caused by the installation of a fastening screw can be avoided, and the connection reliability of the pole and the fastening screw is improved;
4. the cylindrical cavity at the lower part of the pole prepared by the invention adopts a circular hole or elliptical hole structure, the pole plate guide lug can be suitable for both filament and sheet, the pole has wider application range, and the cold pressing process is adopted, so that the risk of performance reduction of a pole plate group is reduced, and the pole plate is not damaged;
5. the cylindrical cavity at the lower part of the pole prepared by the invention is processed with a chamfer, and the wall of the pole is processed with two circular through holes, so that the cold pressing process reliability of the connection between the pole and the pole plate guide lug is improved;
6. the surface silver plating treatment is carried out on the pole prepared by the invention, so that the corrosion resistance of the pole is improved.
Drawings
Fig. 1 is a front sectional view schematically illustrating a battery post according to a preferred embodiment of the present invention;
in the figure, 1-upper cylindrical cavity, 2-chamfer A, 3-middle platform, 4-lower cylindrical cavity, 5-round through hole, 6-chamfer B.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
reference is made to figure 1.
Example 1
A battery pole comprises an upper cylindrical cavity 1, a middle platform 3 and a lower cylindrical cavity 4; the material of the pole base body is red copper T2, and the surface of the pole base body is plated with silver of 5-10 mu m; the upper cylindrical cavity 1 adopts an internal thread structure, the thread size is selected according to a fastening screw matched with the upper cylindrical cavity, and a chamfer angle A2 structure is adopted; the middle platform 3 is of a square structure, the length and width of the middle platform are selected according to the length and width of the polar plate group groove, and the height of the middle platform is 1-3 mm; the lower cylindrical cavity 4 adopts a round hole or elliptical hole structure, the pole plate guide lug adopts a round hole structure when being filamentous, the pole plate guide lug adopts an elliptical hole structure when being flaky, the pole plate guide lug is cold-pressed after being placed into the lower cylindrical cavity 4 during use, a chamfer B6 structure is adopted, and two circular through holes 5 with the diameters of 1 mm-3 mm are processed on the pole wall. The upper cylindrical cavity, the middle platform and the lower cylindrical cavity are of an integrally formed structure.
Example 2
A preparation method of a battery pole comprises the following process steps:
step 101, preparing a pole base body: the machining pole base body comprises an upper cylindrical cavity 1, a middle platform 3 and a lower cylindrical cavity 4, and is made of red copper T2;
step 102, processing an upper cylindrical cavity 1: processing internal threads in the upper cylindrical cavity 1, processing the size of the threads in the upper cylindrical cavity 1 according to a fastening screw matched with the upper cylindrical cavity, and processing a chamfer A2;
step 103, processing the middle platform 3: the middle platform 3 is of a square structure, the length and width of the middle platform are processed according to the length and width of the polar plate group groove, and the height of the middle platform is 1-3 mm;
step 104, processing the lower cylindrical cavity 4: two circular through holes 5 with the diameter of 1 mm-3 mm are processed on the pole wall of the lower cylindrical cavity 4, a chamfer B6 is processed, the lower cylindrical cavity 4 adopts a circular hole or elliptical hole structure, a circular hole structure is adopted when the pole plate guide lug is filamentous, an elliptical hole structure is adopted when the pole plate guide lug is flaky, and the pole plate guide lug can be cold-pressed after being placed into the lower cylindrical cavity when in use;
step 105, pole electroplating: after the steps are completed, the surface is plated with silver of 5-10 microns, and the preparation process of the battery pole shown in FIG. 1 is completed.
The working principle of the pole for the battery prepared by the invention is as follows:
after the assembly of the positive plate, the negative plate and the diaphragm of the battery plate group is completed, the positive plate and the negative plate guide lugs are firstly placed into the lower cylindrical cavities of the polar columns of the positive plate and the negative plate respectively, the cold pressing is carried out by utilizing a special fixture, the polar plates are assembled into a polar plate group groove after the cold pressing of the positive plate and the negative plate polar columns, and the polar plate group is connected in series by utilizing a fastening screw and a bus bar, so that the combined plate group can be formed.
While the preferred embodiments of the present invention have been illustrated and described, it will be appreciated by those skilled in the art that the foregoing embodiments are illustrative and not limiting, and that many changes may be made in the form and details of the embodiments of the invention without departing from the spirit and scope of the invention as defined in the appended claims. All falling within the scope of protection of the present invention.
Claims (2)
1. The utility model provides a utmost point post for battery, characterized by, utmost point post for battery top-down includes in proper order: an upper cylindrical cavity, a middle platform and a lower cylindrical cavity; the pole base body is made of red copper, and a silver layer is plated on the outer surface of the red copper; the upper cylindrical cavity is provided with internal threads, and the upper end part of the inner wall of the upper cylindrical cavity is provided with a chamfer A; the middle platform is of a square structure; the inner cavity of the lower cylindrical cavity is a round hole or an elliptical hole, a chamfer B is arranged at the lower end part of the inner wall of the lower cylindrical cavity, the upper cylindrical cavity, the middle platform and the lower cylindrical cavity are in a coaxial relation, and two coaxial circular through holes are formed in the side wall of the lower cylindrical cavity;
the red copper is red copper T2, and the thickness of the silver layer is 5-10 μm;
the thickness of the middle platform is 1 mm-3 mm;
when the polar plate guide lug is in a thread shape, the inner cavity of the lower cylindrical cavity is in a circular hole structure, and when the polar plate guide lug is in a sheet shape, the inner cavity of the lower cylindrical cavity is in an elliptical hole structure;
the diameters of the two circular through holes are 1 mm-3 mm;
the upper cylindrical cavity, the middle platform and the lower cylindrical cavity are of an integrally formed structure;
during the use, after the assembly of positive plate, negative plate and the diaphragm of battery polar plate group was accomplished, at first lead ear, negative plate with the positive plate and lead the lower part cylinder cavity that the ear was put into its utmost point post respectively, utilize anchor clamps to coldly press, go into polar plate group inslot with the polar plate equipment after positive plate utmost point post, negative plate utmost point post all colded pressing, utilize fastening screw and busbar to establish ties with polar plate group, constitute combination polar plate group.
2. A method for preparing a terminal post for a battery according to claim 1, comprising: the method comprises the following steps:
step 101, preparing a pole base body: the pole base body is machined and comprises an upper cylindrical cavity, a middle platform and a lower cylindrical cavity, and the pole base body is made of red copper T2;
step 102, processing an upper cylindrical cavity: processing internal threads in the upper cylindrical cavity, processing the size of the threads of the upper cylindrical cavity according to a fastening screw matched with the threads of the upper cylindrical cavity, and processing a chamfer A;
step 103, processing a middle platform: the middle platform is of a square structure, the length and width of the middle platform are processed according to the length and width of the polar plate group groove, and the height of the middle platform is 1-3 mm;
step 104, processing a lower cylindrical cavity: two circular through holes with the diameter of 1-3 mm are processed on the pole column wall of the lower cylindrical cavity, a chamfer B is processed, the lower cylindrical cavity adopts a circular hole or elliptical hole structure, a circular hole structure is adopted when the pole plate guide lug is filamentous, an elliptical hole structure is adopted when the pole plate guide lug is flaky, and the pole plate guide lug can be cold-pressed after being placed into the lower cylindrical cavity when in use;
step 105, pole electroplating: the surface is plated with silver 5-10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700642.5A CN110459729B (en) | 2019-07-31 | 2019-07-31 | Pole for battery and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700642.5A CN110459729B (en) | 2019-07-31 | 2019-07-31 | Pole for battery and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110459729A CN110459729A (en) | 2019-11-15 |
| CN110459729B true CN110459729B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910700642.5A Active CN110459729B (en) | 2019-07-31 | 2019-07-31 | Pole for battery and preparation method thereof |
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| Country | Link |
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| CN (1) | CN110459729B (en) |
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2019
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| CA2217647A1 (en) * | 1996-10-09 | 1998-04-09 | Osvaldo Balbino Casais | An anti-corrosive terminal with a short anchor and without joint lines, for storage batteries |
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| CN110459729A (en) | 2019-11-15 |
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