CN109167014B - Method for connecting electrode grid and tab - Google Patents
Method for connecting electrode grid and tab Download PDFInfo
- Publication number
- CN109167014B CN109167014B CN201811005985.1A CN201811005985A CN109167014B CN 109167014 B CN109167014 B CN 109167014B CN 201811005985 A CN201811005985 A CN 201811005985A CN 109167014 B CN109167014 B CN 109167014B
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- electrode grid
- rack
- fixed
- lug
- cylinder
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 51
- 238000005266 casting Methods 0.000 claims abstract description 45
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 30
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 20
- 239000004917 carbon fiber Substances 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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)
- Cell Electrode Carriers And Collectors (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to the field of batteries, and discloses a method for connecting an electrode grid and a lug, which comprises the following steps: A. fixing the lug: positioning a tab on a non-metallic electrode grid; B. casting: casting the molten metal solution on a non-metal electrode grid; C. cooling and fixing: cooling the molten metal solution, and connecting the lug on a nonmetal electrode grid; in order to solve the problem that the pole lug is easy to fall off in the prior art, the scheme fixes the pole lug on the carbon fiber cloth by using a molten metal solution, and the pole lug and the carbon fiber cloth are rigidly connected.
Description
Technical Field
The invention relates to the field of batteries, in particular to a method for connecting an electrode grid and a lug.
Background
The non-metal electrode grid needs to be added with a lug made of a metal material on the side edge of the non-metal electrode grid so as to connect a positive electrode and a negative electrode, the electrode grid is made of the non-metal material, the electric conductivity of the electrode grid is poor, the electrode grid cannot be well connected with the lug made of the metal material, the lug made of the metal material is connected with the non-metal electrode grid in a conductive adhesive mode with the bonding property, however, the battery manufactured by the method is easy to lose efficacy of the conductive adhesive due to corrosion of a chemical solvent in the battery or continuous change of the temperature of the battery, and the problem that the lug falls off is caused.
Disclosure of Invention
The invention aims to provide a method for connecting an electrode grid and a lug, which can firmly connect a non-metal electrode grid and the lug without using conductive adhesive.
The connection method of the electrode grid and the pole lug in the scheme comprises the following steps:
A. fixing the lug: positioning a tab on a non-metallic electrode grid;
B. casting: casting the molten metal solution on a non-metal electrode grid;
C. cooling and fixing: and cooling the molten metal solution, and connecting the lug on the nonmetal electrode grid.
The technical principle of the scheme is as follows:
A. fixing the lug: positioning a tab on a non-metallic electrode grid; the lug is preliminarily positioned on the non-metal electrode grid, so that the subsequent installation of the lug is facilitated.
B. Casting: casting the molten metal solution on a non-metal electrode grid; and further fixing the lug by using a molten metal solution.
C. Cooling and fixing: and cooling the molten metal solution, and connecting the lug on the non-metal electrode grid. And cooling to gradually change the molten metal solution from a liquid state to a solid state so that the tab is stably connected to the carbon fiber cloth.
Compared with the prior art, the beneficial effect of this scheme does: this scheme is fixed utmost point ear on carbon cloth through using molten metal solution, and utmost point ear and carbon cloth carry out rigid connection, and use conducting resin with prior art and compare, connect more stably, also difficult bad by corroding for utmost point ear firmly fixes on non-metallic electrode grid.
Further, the non-metal electrode grid is made of carbon fiber cloth or glass fiber cloth. The carbon fiber cloth or the glass fiber cloth is made of non-metal materials, so that the non-metal electrode plate grid can be conveniently manufactured.
Further, in the step A, the lug is nailed to the non-metal electrode grid through a row nail. The tab is initially fixed, and then is further fixed by the molten metal solution, so that the tab is more stably fixed on the carbon fiber cloth and is not easy to fall off.
Further, in the step a, before the tab is fixed on the non-metal electrode grid, a metal piece is installed on the non-metal electrode grid, and then the tab is welded on the metal piece.
Further, the metal piece is one or more of a metal grid and a strip nail.
Further, in the step A, a tab is placed on the non-metal electrode grid, molten metal solution is added into the hopper, then the first button is triggered, the clamping mechanism is started, and the tab is clamped by the clamping mechanism. Firstly, enough molten metal solution is stored in a hopper to facilitate the connection of the lugs; before using the fixed utmost point ear of molten metal solution, use clamping mechanism to carry out preliminary location to utmost point ear earlier for the position that utmost point ear and non-metallic electrode grid are connected is better, and is more accurate, also makes the more firm that utmost point ear is connected.
Further, in step B, the valve is opened and the molten metal solution is introduced into the casting mold. By controlling the valve, the molten metal solution is conveniently introduced into the casting mold.
Further, in the step C, after the molten metal solution enters the casting mold, the temperature of the casting mold rises, so that the air bag expands, the air bag touches the second button, the second button starts the water pump, the water pump pumps cooling water into a cooling cavity of the casting mold, so that the molten metal solution is cooled in the casting mold, and the tab is fixed on the non-metal electrode grid. The opening of the water pump is controlled through the temperature change of the casting mold, the casting mold is cooled, and the whole convenient automation degree is improved.
Drawings
Fig. 1 is a schematic view of a casting device in an embodiment of a method for connecting an electrode plate grid and a tab of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a rack 1, a casting mold 2, a first cylinder 3, a second cylinder 4, a hopper 5, a mounting plate 6, a feeler lever 7, a first button 8, a metal hose 9, a communicating pipe 10, a gate valve 11, a second rack 12, a first rack 13, a second gear 14, a first gear 15, a second spring 16, a guide cylinder 17, an air bag 18, a second button 19, a water outlet pipe 20, a cooling cavity 21 and a water inlet pipe 22.
An embodiment is shown in figure 1: a method for connecting an electrode grid and a tab needs to use a casting device, the casting device comprises a rack 1 and a casting mold 2, the left side of the casting mold 2 is provided with a groove, the rack 1 is fixedly provided with a first cylinder 3 and a second cylinder 4 through bolts, an output shaft of the first cylinder 3 is fixedly provided with a first clamping plate, an output shaft of the second cylinder 4 is fixedly provided with a second clamping plate, the rack 1 is slidably connected with a hopper 5, a mounting plate 6 is welded above the hopper 5 on the rack 1, a first spring is connected between the hopper 5 and the mounting plate 6, a contact rod 7 is welded on the hopper 5, a first button 8 is fixed at a position below the contact rod 7 on the rack 1, the first button 8 is used for starting the first cylinder 3 and the second cylinder 4, a metal hose 9 is communicated on the hopper 5, the metal hose 9 is communicated with a communicating pipe 10, a gate valve 11 is installed on the communicating pipe 10, the communicating pipe 10 is communicated with a casting opening of a casting mould 2, a first rack 13 is fixed on an output shaft of a first cylinder 3, a first gear 15 is connected on a rack 1 in a rotating way, the first rack 13 is meshed with the first gear 15, a second rack 12 is meshed with the first gear 15, a second spring 16 is connected between the second rack 12 and the outer wall of the casting mould 2, a second gear 14 is fixed on a valve rod of a gate valve 11, gear teeth are also arranged on the lower side of the second rack 12, the second rack 12 is meshed with the second gear 14 through the gear teeth, a water pump is fixed on the rack 1, a guide cylinder 17 is fixed on the outer wall of the casting mould 2, an air bag 18 is fixed on the right side of the guide cylinder 17, a second button 19 is fixed on the left side wall of the guide cylinder 17, the second button 19 is used for starting the water pump, a cooling cavity 21 is arranged in the outer wall of the casting mould 2, a water inlet pipe 22 is communicated between the water pump and the cooling cavity 21, the cooling cavity 21 is communicated with a water outlet pipe 20.
The method comprises the following steps:
A. fixing the lug: the method comprises the following steps of folding the left side of the carbon fiber cloth, opening the left side of the carbon fiber cloth, placing the left side of the carbon fiber cloth into a groove, placing a lug on the carbon fiber cloth, adding a molten metal solution into a hopper 5, driving a contact rod 7 to slide downwards by the hopper 5 after the hopper 5 contains a sufficient amount of the molten metal solution, enabling the contact rod 7 to abut against a first button 8, triggering the first button 8, starting a first cylinder 3 and a second cylinder 4, driving the first clamping plate to slide towards a direction close to a second clamping plate by the first cylinder 3, driving the second clamping plate to slide towards a direction close to the first clamping plate by the second cylinder 4, and clamping the lug by the first clamping plate and the second clamping plate so that the lug is fixed on the carbon fiber cloth;
B. casting: when the first cylinder 3 drives the first clamping plate to slide, the first cylinder 3 also drives the first rack 13 to slide, the first rack 13 drives the first gear 15 to rotate, the first gear 15 drives the second rack 12 to slide rightwards, the second rack 12 drives the second gear 14 to rotate, the second gear 14 drives the valve rod of the gate valve 11 to rotate, the gate valve 11 is opened, the molten metal solution flows into the communicating pipe 10 through the metal hose 9, the molten metal solution flows into the casting mold 2 through the communicating pipe 10, and the molten metal solution is cast on the carbon fiber cloth;
C. cooling and fixing: after molten metal solution entered into casting die utensil 2, casting die utensil 2's temperature risees, by expend with heat and contract with cold principle, gasbag 18 is heated and will be expanded, gasbag 18 will touch second button 19, second button 19 will start the water pump, the water pump will go into the cooling water to inlet tube 22 pump, the cooling water will flow into in the cooling cavity 21, behind cooling water and the 2 heat transfer of casting die utensil, will follow outlet pipe 20 and flow out, and continuously cool off the molten metal solution in casting die utensil 2, treat that the cooling finishes the back, utmost point ear will be fixed on carbon cloth.
The second embodiment is different from the first embodiment in that the carbon fiber cloth is replaced with a glass fiber cloth.
The third embodiment is different from the first embodiment in that, in the step a, before the tab is fixed to the carbon fiber cloth by the molten metal solution, the tab is bound to the carbon fiber cloth by using the chain riveting. The tab is initially fixed, and then is further fixed by the molten metal solution, so that the tab is more stably fixed on the carbon fiber cloth and is not easy to fall off.
The fourth embodiment is different from the first embodiment in that in the step a, the tab is clamped to the carbon fiber cloth by using the U-shaped metal mesh before being fixed to the carbon fiber cloth by the molten metal solution. The tab is initially fixed, and then is further fixed by the molten metal solution, so that the tab is more stably fixed on the carbon fiber cloth and is not easy to fall off.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The method for connecting the electrode grid and the pole lug is characterized in that,
the casting device comprises a frame and a casting mold, a groove is formed in the left side of the casting mold, a first air cylinder and a second air cylinder are fixed on the frame through bolts, a first clamping plate is fixed on an output shaft of the first air cylinder, a second clamping plate is fixed on an output shaft of the second air cylinder, a hopper is connected on the frame in a sliding mode, a mounting plate is welded above the hopper on the frame, a first spring is connected between the hopper and the mounting plate, a contact rod is welded on the hopper, a first button is fixed on the frame below the contact rod and used for starting the first air cylinder and the second air cylinder, a metal hose is communicated with the hopper and communicated with a communicating pipe, a gate valve is installed on the communicating pipe and communicated with a casting opening of the casting mold, a first rack is fixed on the output shaft of the first air cylinder, and a first gear is connected on the frame in a rotating mode, the first rack is meshed with the first gear, the first gear is meshed with a second rack, a second spring is connected between the second rack and the outer wall of the casting mold, a second gear is fixed on a valve rod of the gate valve, gear teeth are also formed on the lower side of the second rack, the second rack is meshed with the second gear through the gear teeth, a water pump is fixed on the rack, a guide cylinder is fixed on the outer wall of the casting mold, an air bag is fixed on the right side of the guide cylinder, a second button is fixed on the left side wall of the guide cylinder and used for starting the water pump, a cooling cavity is formed in the outer wall of the casting mold, a water inlet pipe is communicated between the water pump and the cooling cavity, and a water outlet pipe is communicated with the cooling cavity;
the method comprises the following steps:
A. fixing the lug: folding the left side of the non-metal electrode grid, opening the left side of the non-metal electrode grid, placing the left side of the non-metal electrode grid into the groove, placing a lug on the non-metal electrode grid, adding a molten metal solution into the hopper, driving the feeler lever to slide downwards by the hopper after the hopper contains a sufficient amount of the molten metal solution, enabling the feeler lever to abut against the first button, triggering the first button, starting the first cylinder and the second cylinder, driving the first clamping plate to slide towards the direction close to the second clamping plate by the first cylinder, driving the second clamping plate to slide towards the direction close to the first clamping plate by the second cylinder, clamping the lug by the first clamping plate and the second clamping plate, and fixing the lug on the non-metal electrode grid;
B. casting: the first cylinder drives the first clamping plate to slide, meanwhile, the first cylinder also drives the first rack to slide, the first rack drives the first gear to rotate, the first gear drives the second rack to slide rightwards, the second rack drives the second gear to rotate, the second gear drives the valve rod of the gate valve to rotate, the gate valve is opened, the molten metal solution flows into the communicating pipe through the metal hose, the molten metal solution flows into the casting mold through the communicating pipe, and the molten metal solution is cast on the non-metal electrode grid;
C. cooling and fixing: after the molten metal solution enters into the casting die utensil, the temperature of casting die utensil risees, by expend with heat and contract with cold principle, the gasbag is heated and will be expanded, the gasbag will touch the second button, the second button will start the water pump, the water pump will go into the cooling water to the inlet tube pump, the cooling water will flow into in the cooling cavity, behind cooling water and the casting die utensil heat transfer, will follow the outlet pipe and flow out, and continuously cool off the molten metal solution in the casting die utensil, treat that the cooling finishes the back, utmost point ear will be fixed on non-metallic electrode grid.
2. The method for connecting an electrode grid and a tab according to claim 1, characterized in that: the non-metal electrode grid is made of carbon fiber cloth or glass fiber cloth.
3. The method for connecting an electrode grid and a tab according to claim 1, characterized in that: in the step A, the lug is nailed to the non-metal electrode grid through the row nails.
4. The method for connecting the electrode grid and the tab according to claim 1, characterized in that: in the step A, before the lug is fixed on the non-metal electrode grid, a metal piece is installed on the non-metal electrode grid, and then the lug is welded on the metal piece.
5. The method of connecting an electrode grid to a tab of claim 4, wherein: the metal piece is one or more of a metal grid and a strip nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005985.1A CN109167014B (en) | 2018-08-30 | 2018-08-30 | Method for connecting electrode grid and tab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005985.1A CN109167014B (en) | 2018-08-30 | 2018-08-30 | Method for connecting electrode grid and tab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109167014A CN109167014A (en) | 2019-01-08 |
| CN109167014B true CN109167014B (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811005985.1A Active CN109167014B (en) | 2018-08-30 | 2018-08-30 | Method for connecting electrode grid and tab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109167014B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505988Y (en) * | 2001-12-24 | 2002-08-14 | 赛尔动力电池(沈阳)有限公司 | Lead acid accumerator grid |
| CN201238063Y (en) * | 2008-07-29 | 2009-05-13 | 武汉银泰科技电源股份有限公司 | Lead-fiber lead-acid accumulator slab lattice |
| CN103264153A (en) * | 2013-05-06 | 2013-08-28 | 厦门华海大正电池装备有限公司 | Lead storage battery busbar welding method |
| CN106601974A (en) * | 2016-11-29 | 2017-04-26 | 江苏海宝电池科技有限公司 | Carbon fiber grid for power battery and application of carbon fiber grid |
| CN106695193A (en) * | 2016-12-28 | 2017-05-24 | 双登集团股份有限公司 | Electric-conducting carbon felt and lead tab connection method |
| CN107768679A (en) * | 2017-10-19 | 2018-03-06 | 广州倬粤动力新能源有限公司 | A kind of composite carbon alloy accumulator production technology and preparation method thereof |
| CN107876597A (en) * | 2017-10-12 | 2018-04-06 | 江苏理士电池有限公司 | A kind of device of automatic curved lug |
| CN107910486A (en) * | 2017-10-25 | 2018-04-13 | 肇庆中特能科技投资有限公司 | The electrode plate grid and the application in chemical cell that carbon fiber is formed as the connection method of grid and lug, carbon fiber and lug |
| CN207682896U (en) * | 2018-01-03 | 2018-08-03 | 苏福（深圳）科技有限公司 | A kind of double-screw extruder cooling water tank |
-
2018
- 2018-08-30 CN CN201811005985.1A patent/CN109167014B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505988Y (en) * | 2001-12-24 | 2002-08-14 | 赛尔动力电池(沈阳)有限公司 | Lead acid accumerator grid |
| CN201238063Y (en) * | 2008-07-29 | 2009-05-13 | 武汉银泰科技电源股份有限公司 | Lead-fiber lead-acid accumulator slab lattice |
| CN103264153A (en) * | 2013-05-06 | 2013-08-28 | 厦门华海大正电池装备有限公司 | Lead storage battery busbar welding method |
| CN106601974A (en) * | 2016-11-29 | 2017-04-26 | 江苏海宝电池科技有限公司 | Carbon fiber grid for power battery and application of carbon fiber grid |
| CN106695193A (en) * | 2016-12-28 | 2017-05-24 | 双登集团股份有限公司 | Electric-conducting carbon felt and lead tab connection method |
| CN107876597A (en) * | 2017-10-12 | 2018-04-06 | 江苏理士电池有限公司 | A kind of device of automatic curved lug |
| CN107768679A (en) * | 2017-10-19 | 2018-03-06 | 广州倬粤动力新能源有限公司 | A kind of composite carbon alloy accumulator production technology and preparation method thereof |
| CN107910486A (en) * | 2017-10-25 | 2018-04-13 | 肇庆中特能科技投资有限公司 | The electrode plate grid and the application in chemical cell that carbon fiber is formed as the connection method of grid and lug, carbon fiber and lug |
| CN207682896U (en) * | 2018-01-03 | 2018-08-03 | 苏福（深圳）科技有限公司 | A kind of double-screw extruder cooling water tank |
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| Publication number | Publication date |
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| CN109167014A (en) | 2019-01-08 |
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Application publication date: 20190108 Assignee: Guangzhou Zhuoyue Power Technology Co.,Ltd. Assignor: GUANGZHOU ZHUOYUE POWER NEW ENERGY Co.,Ltd. Contract record no.: X2023980048526 Denomination of invention: Connection method between electrode grid and electrode ear Granted publication date: 20220913 License type: Common License Record date: 20231204 Application publication date: 20190108 Assignee: Guangzhou shunyao Energy Technology Co.,Ltd. Assignor: GUANGZHOU ZHUOYUE POWER NEW ENERGY Co.,Ltd. Contract record no.: X2023980048519 Denomination of invention: Connection method between electrode grid and electrode ear Granted publication date: 20220913 License type: Common License Record date: 20231204 |