CN105140458A - Manufacturing process for non-joint aluminum coated non-aluminum metal tab - Google Patents
Manufacturing process for non-joint aluminum coated non-aluminum metal tab Download PDFInfo
- Publication number
- CN105140458A CN105140458A CN201510454889.5A CN201510454889A CN105140458A CN 105140458 A CN105140458 A CN 105140458A CN 201510454889 A CN201510454889 A CN 201510454889A CN 105140458 A CN105140458 A CN 105140458A
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- China
- Prior art keywords
- aluminum metal
- tab
- aluminium
- aluminum
- sheet
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- 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
-
- 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
Abstract
A manufacturing process for a non-joint aluminum coated non-aluminum metal tab is disclosed. A continuous non-joint aluminum coated non-aluminum metal tab is manufactured by welding an aluminum tab with a non-aluminum metal sheet, or welding a plurality of aluminum tabs with a plurality of non-aluminum metal sheets, wherein the aluminum tabs are connected by tab film and arranged side by side with the same length, and the non-aluminum metal sheets are arranged side by side with the same length; according to the non-joint aluminum coated non-aluminum metal tab, the multiple aluminum tabs and the multiple non-aluminum metal sheets are arranged at intervals, and the end parts of the adjacent aluminum tabs and the non-aluminum metal sheets are lap jointed together. Therefore, in the production process of batteries, the aluminum coated non-aluminum metal tabs can be cut into single aluminum coated non-aluminum metal tab through an automatic sheet processing machine or a full-automatic winding machine, so that the aluminum coated non-aluminum metal tabs can be applied to the automatic production of battery pole piece manufacturing, the working procedure of converting aluminum into nickel is saved, the rejection rate of battery cells is reduced, non-joint metal tab is realized completely, and the automation production efficiency is higher.
Description
Technical field
The present invention relates to lithium battery pole ear technical field, particularly relate to the manufacture craft that a kind of non junction aluminium turns non-aluminum metal lug.
Background technology
The material normally fine aluminium of the positive pole ear of soft-packaged polymer lithium ion battery.Battery needs when processing assembling to be connected with other electron component by the both positive and negative polarity of battery by the mode of welding, but the positive pole ear be made up of fine aluminium directly can not carry out scolding tin.Existing technique normally welds one section of nickel strap at the exit of cell positive pole ear, then carries out soldering by nickel strap, and this technique is called as the positive pole ear aluminium-to-nickel technique of soft-packaged polymer lithium ion battery.
The positive pole ear aluminium-to-nickel technology of existing soft-packaged polymer lithium ion battery has two kinds of basic modes, one be aluminium pole ears in the fabrication process, by lug, nickel strap is soldered to positive pole ear by laser-beam welding machine by manufactory, produces single aluminium-to-nickel lug; Another kind is that aluminium pole ears does not carry out aluminium-to-nickel technique in lug manufactory, is directly produced into aluminium pole ears that is single or disc type, after cell manufacturer adopts this kind of lug to be produced into battery core, then carries out aluminium-to-nickel technique by metal ultrasonic bonding machine or laser-beam welding machine.But the mode of front a kind of aluminium-to-nickel causes cell manufacturer in battery core manufacturing process need drop into a large amount of people's force-summing devices carrying out welding of lug and battery core pole piece.In the mode of rear a kind of aluminium-to-nickel, disc type aluminium pole ears can use the automatic pelleter of battery or automatic winding-machine to carry out welding of lug and battery core pole piece, thus realize automated production, but after battery core is made, need to drop into a large amount of people's force-summing devices and carry out aluminium-to-nickel technique, not only turn nickel troublesome poeration, process is complicated, inefficiency, and easily cause battery core to scrap when carrying out the welding sequence of aluminium-to-nickel, in addition, turn very easily sealing-off and the frangibility of the anode ear after nickel, thus the normal service life of the impact rate of finished products of producing and product.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of production efficiency high, battery core scrappage can be reduced and jointless non junction aluminium turns the manufacture craft of non-aluminum metal lug.
The present invention is achieved in that a kind of non junction aluminium turns the manufacture craft of non-aluminum metal lug, comprises the following steps:
(1) according to the length preset, cutting process is carried out to one or more of disc type aluminium pole ears, obtain an aluminium pole ears sheet or by a tab be connected multiple side by side and there is the aluminium pole ears sheet of equal length;
(2) according to the length preset to the cutting process of one or more of non-aluminum metal band, obtain a non-aluminum metal sheet or several side by side and there are multiple non-aluminum metal sheets of equal length;
(3) by one end of a described non-aluminum metal sheet according to preset length weld in a described aluminium pole ears sheet away from above one end of tab; Or, by described in one side by side and the one end with multiple non-aluminum metal sheets of equal length according to the length preset be welded on respectively described in one by a tab be connected multiple side by side and have above the one end away from described tab in the aluminium pole ears sheet of equal length;
(4) one end near tab in aluminium pole ears sheet described in another is welded on below the other end of described non-aluminum metal sheet; Or, by described in another by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length be welded on respectively near one end of tab described in side by side and there is the below of the other end of multiple non-aluminum metal sheets of equal length;
(5) repeat above-mentioned (1) to (4) step, successional non junction aluminium can be made into and turn non-aluminum metal lug;
(6) if be made into successional non junction aluminium by being carried out welding with a described non-aluminum metal sheet by a described aluminium pole ears sheet when turning non-aluminum metal lug, closing quotation process can directly be carried out; Or, if by be connected by a described tab multiple side by side and the aluminium pole ears sheet with equal length with described in one side by side and multiple non-aluminum metal sheets with equal length carry out welding and be made into successional non junction aluminium turn non-aluminum metal lug time, then before closing quotation link, according to predeterminated position, use precision die presses down the described tab of cut-out or laser machine cuts described tab.
Further, the material of described non-aluminum metal band is nickel or copper.
Further, the width of described non-aluminum metal band is identical with the width of described aluminium pole ears.
Further, the thickness of described non-aluminum metal band is identical with the thickness of described aluminium pole ears.
Further, the mode of described welding is laser welding or supersonic welding.
Further, the scope that described non-aluminum metal sheet one end is welded on the number of welds be welded on below the described non-aluminum metal sheet other end away from the one end near tab in the number of welds above one end of tab and aluminium pole ears sheet described in another in a described aluminium pole ears sheet is 1-10.
Further, described in one side by side and the one end with multiple non-aluminum metal sheets of equal length be welded on respectively described by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length away from the number of welds above one end of described tab and described in another by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length be welded on respectively near one end of tab described in side by side and below the other end with multiple non-aluminum metal sheets of equal length the scope of number of welds be 1-10.
Further, the mode that described non junction aluminium turns the rolling of non-aluminum metal lug comprises disc type, chip or board-like.
Beneficial effect of the present invention is: non junction aluminium provided by the invention turns the manufacture craft of non-aluminum metal lug, the non junction aluminium that this manufacture craft makes turns non-aluminum metal lug, its multiple aluminium pole ears sheet and multiple non-aluminum metal sheet interval arrange and adjacent aluminium pole ears sheet together with the lapping ends of non-aluminum metal sheet, form successional non junction aluminium and turn non-aluminum metal lug, like this, in the production process of battery, aluminium can be turned non-aluminum metal lug by automatic pelleter or automatic winding-machine to be cut to single aluminium and to turn non-aluminum metal lug, thus realize aluminium being turned the automated production that non-aluminum metal lug is applied to battery pole piece making, simultaneously, aluminium turn non-aluminum metal lug be applied to battery finished product assembling time, aluminium-to-nickel operation can be omitted, and the automatic assembling of battery can be realized, thus save a large amount of human costs and production cost, also reduce the scrappage of battery core, thoroughly accomplish non junction, thus make automated production efficiency higher.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet that non junction aluminium that one embodiment of the invention provides turns the manufacture craft of non-aluminum metal lug.
Fig. 2 is the schematic flow sheet that non junction aluminium that another embodiment of the present invention provides turns the manufacture craft of non-aluminum metal lug.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of non junction aluminium that the embodiment of the present invention provides turns the manufacture craft of non-aluminum metal lug, comprises the following steps:
S101, carries out cutting process according to the length preset to a disc type aluminium pole ears, obtains an aluminium pole ears sheet;
S102, carries out cutting process according to the length preset to a non-aluminum metal band, obtains a non-aluminum metal sheet;
S103, by one end of a described non-aluminum metal sheet according to preset length weld in a described aluminium pole ears sheet away from above one end of tab;
S104, is welded on below the other end of described non-aluminum metal sheet by the one end near tab in aluminium pole ears sheet described in another;
S105, repeats above-mentioned S101 to S104 step, can be made into successional non junction aluminium and turn non-aluminum metal lug;
S106, turns non-aluminum metal lug and directly carries out closing quotation process by the successional non junction aluminium be made into according to S105 step.
Preferably, the material of non-aluminum metal band is nickel or copper.
Preferably, the width of non-aluminum metal band is identical with the width of aluminium pole ears, and certainly, herein, the width of non-aluminum metal band and the width of aluminium pole ears also can be not identical, and the width of non-aluminum metal band and the width of aluminium pole ears can be formulated according to the actual requirements.
Preferably, the thickness of non-aluminum metal band is identical with the thickness of aluminium pole ears, and certainly, herein, the thickness of non-aluminum metal band and the thickness of aluminium pole ears also can be not identical, and the thickness of non-aluminum metal band and the thickness of aluminium pole ears can be formulated according to the actual requirements.
Preferably, the mode of welding is laser welding or supersonic welding.
Preferably, a non-aluminum metal sheet one end is welded in an aluminium pole ears sheet away from the width that one end number of welds be welded on below the non-aluminum metal sheet other end near tab in the number of welds above one end of tab and another aluminium pole ears sheet is according to non-aluminum metal sheet, the width of aluminium pole ears sheet and technological requirement intensity are formulated, in this example, the scope that non-aluminum metal sheet one end is welded on the number of welds be welded on below the non-aluminum metal sheet other end away from the one end near tab in the number of welds above one end of tab and another aluminium pole ears sheet in an aluminium pole ears sheet is 1-10, be preferably four, six or eight.
Preferably, the mode that non junction aluminium turns the rolling of non-aluminum metal lug comprises disc type, chip or board-like.
Beneficial effect of the present invention is: aluminium provided by the invention turns the manufacture craft of non-aluminum metal lug, the aluminium that this manufacture craft makes turns non-aluminum metal lug, its multiple aluminium pole ears sheet and multiple non-aluminum metal sheet interval arrange and adjacent aluminium pole ears sheet together with the lapping ends of non-aluminum metal sheet, form successional jointless aluminium and turn non-aluminum metal lug, like this, in the production process of battery, aluminium can be turned non-aluminum metal lug by automatic pelleter or automatic winding-machine to be cut to single aluminium and to turn non-aluminum metal lug, thus realize aluminium being turned the automated production that non-aluminum metal lug is applied to battery pole piece making, simultaneously, aluminium turn non-aluminum metal lug be applied to battery finished product assembling time, aluminium-to-nickel operation can be omitted, and the automatic assembling of battery can be realized, thus save a large amount of human costs and production cost, also reduce the scrappage of battery core, thoroughly accomplish non junction, thus make automated production efficiency higher.
As shown in Figure 2, the another kind of non junction aluminium that the embodiment of the present invention provides turns the manufacture craft of non-aluminum metal lug, comprises the following steps:
S201, carries out cutting process according to the length preset to many disc type aluminium pole ears, obtain by a tab be connected multiple side by side and there is the aluminium pole ears sheet of equal length;
S202, carries out cutting process according to the length preset to many non-aluminum metal bands, obtain several side by side and there are multiple non-aluminum metal sheets of equal length;
S203, by described in one side by side and the one end with multiple non-aluminum metal sheets of equal length according to the length preset be welded on respectively described in one by a tab be connected multiple side by side and have above the one end away from described tab in the aluminium pole ears sheet of equal length;
S204, by described in another by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length be welded on respectively near one end of tab described in side by side and there is the below of the other end of multiple non-aluminum metal sheets of equal length;
S205, repeats above-mentioned S201 to S204 step, can be made into successional non junction aluminium and turn non-aluminum metal lug;
S206, turns non-aluminum metal lug by the successional non junction aluminium be made into according to S205 step, and according to predeterminated position, use precision die presses down the described tab of cut-out or laser machine cuts described tab, and then carries out closing quotation process.
Preferably, the material of non-aluminum metal band is nickel or copper.
Preferably, the width of non-aluminum metal band is identical with the width of aluminium pole ears, and certainly, herein, the width of non-aluminum metal band and the width of aluminium pole ears also can be not identical, and the width of non-aluminum metal band and the width of aluminium pole ears can be formulated according to the actual requirements.
Preferably, the thickness of non-aluminum metal band is identical with the thickness of aluminium pole ears, and certainly, herein, the thickness of non-aluminum metal band and the thickness of aluminium pole ears also can be not identical, and the thickness of non-aluminum metal band and the thickness of aluminium pole ears can be formulated according to the actual requirements.
Preferably, the mode of welding is laser welding or supersonic welding.
Preferably, described in one side by side and the one end with multiple non-aluminum metal sheets of equal length be welded on respectively described in one by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length away from the number of welds above one end of described tab and described in another by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length be welded on respectively near one end of tab described in side by side and below the other end with multiple non-aluminum metal sheets of equal length the scope of number of welds be 1-10, be preferably four, six or eight.
Preferably, the mode that non junction aluminium turns the rolling of non-aluminum metal lug comprises disc type, chip or board-like.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. non junction aluminium turns a manufacture craft for non-aluminum metal lug, it is characterized in that, comprises the following steps:
(1) according to the length preset, cutting process is carried out to one or more of disc type aluminium pole ears, obtain an aluminium pole ears sheet or by a tab be connected multiple side by side and there is the aluminium pole ears sheet of equal length;
(2) according to the length preset to the cutting process of one or more of non-aluminum metal band, obtain a non-aluminum metal sheet or several side by side and there are multiple non-aluminum metal sheets of equal length;
(3) by one end of a described non-aluminum metal sheet according to preset length weld in a described aluminium pole ears sheet away from above one end of tab; Or, by described in one side by side and the one end with multiple non-aluminum metal sheets of equal length according to the length preset be welded on respectively described in one by a tab be connected multiple side by side and have above the one end away from described tab in the aluminium pole ears sheet of equal length;
(4) one end near tab in aluminium pole ears sheet described in another is welded on below the other end of described non-aluminum metal sheet; Or, by described in another by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length be welded on respectively near one end of tab described in side by side and there is the below of the other end of multiple non-aluminum metal sheets of equal length;
(5) repeat above-mentioned (1) to (4) step, successional non junction aluminium can be made into and turn non-aluminum metal lug;
(6) if be made into successional non junction aluminium by being carried out welding with a described non-aluminum metal sheet by a described aluminium pole ears sheet when turning non-aluminum metal lug, closing quotation process can directly be carried out; Or, if by be connected by a described tab multiple side by side and the aluminium pole ears sheet with equal length with described in one side by side and multiple non-aluminum metal sheets with equal length carry out welding and be made into successional non junction aluminium turn non-aluminum metal lug time, then before closing quotation link, according to predeterminated position, use precision die presses down the described tab of cut-out or laser machine cuts described tab.
2. non junction aluminium according to claim 1 turns the manufacture craft of non-aluminum metal lug, it is characterized in that, the material of described non-aluminum metal band is nickel or copper.
3. non junction aluminium according to claim 1 turns the manufacture craft of non-aluminum metal lug, it is characterized in that, the width of described non-aluminum metal band is identical with the width of described aluminium pole ears.
4. non junction aluminium according to claim 1 turns the manufacture craft of non-aluminum metal lug, it is characterized in that, the thickness of described non-aluminum metal band is identical with the thickness of described aluminium pole ears.
5. non junction aluminium according to claim 1 turns the manufacture craft of non-aluminum metal lug, it is characterized in that, the mode of described welding is laser welding or supersonic welding.
6. non junction aluminium according to claim 1 turns the manufacture craft of non-aluminum metal lug, it is characterized in that, the scope that described non-aluminum metal sheet one end is welded on the number of welds be welded on below the described non-aluminum metal sheet other end away from the one end near tab in the number of welds above one end of tab and aluminium pole ears sheet described in another in a described aluminium pole ears sheet is 1-10.
7. non junction aluminium according to claim 1 turns the manufacture craft of non-aluminum metal lug, it is characterized in that, described in one side by side and the one end with multiple non-aluminum metal sheets of equal length be welded on respectively described in one by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length away from the number of welds above one end of described tab and described in another by a tab be connected multiple side by side and have in the aluminium pole ears sheet of equal length be welded on respectively near one end of tab described in side by side and below the other end with multiple non-aluminum metal sheets of equal length the scope of number of welds be 1-10.
8. non junction aluminium according to claim 1 turns the manufacture craft of non-aluminum metal lug, it is characterized in that, the mode that described non junction aluminium turns the rolling of non-aluminum metal lug comprises disc type, chip or board-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454889.5A CN105140458A (en) | 2015-07-30 | 2015-07-30 | Manufacturing process for non-joint aluminum coated non-aluminum metal tab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454889.5A CN105140458A (en) | 2015-07-30 | 2015-07-30 | Manufacturing process for non-joint aluminum coated non-aluminum metal tab |
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| CN105140458A true CN105140458A (en) | 2015-12-09 |
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| CN201510454889.5A Pending CN105140458A (en) | 2015-07-30 | 2015-07-30 | Manufacturing process for non-joint aluminum coated non-aluminum metal tab |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565388A (en) * | 2018-04-17 | 2018-09-21 | 江苏九蓝新能源科技有限公司 | A kind of nickel-clad copper turns aluminium pole ears and its welding method |
| CN112077460A (en) * | 2020-08-27 | 2020-12-15 | 东莞市恒源新材料有限公司 | Method for manufacturing tab |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694141A (en) * | 2011-03-23 | 2012-09-26 | 许名飞 | Novel aluminum-to-nickel conversion method of flexible packaging lithium ion battery |
| CN203367399U (en) * | 2013-05-24 | 2013-12-25 | 江门市拓联电子科技有限公司 | Anode tab tape applied to lithium ion battery |
| CN204204946U (en) * | 2014-08-22 | 2015-03-11 | 惠州市华沃科技有限公司 | Disc type aluminium-to-nickel lug |
-
2015
- 2015-07-30 CN CN201510454889.5A patent/CN105140458A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694141A (en) * | 2011-03-23 | 2012-09-26 | 许名飞 | Novel aluminum-to-nickel conversion method of flexible packaging lithium ion battery |
| CN203367399U (en) * | 2013-05-24 | 2013-12-25 | 江门市拓联电子科技有限公司 | Anode tab tape applied to lithium ion battery |
| CN204204946U (en) * | 2014-08-22 | 2015-03-11 | 惠州市华沃科技有限公司 | Disc type aluminium-to-nickel lug |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565388A (en) * | 2018-04-17 | 2018-09-21 | 江苏九蓝新能源科技有限公司 | A kind of nickel-clad copper turns aluminium pole ears and its welding method |
| CN112077460A (en) * | 2020-08-27 | 2020-12-15 | 东莞市恒源新材料有限公司 | Method for manufacturing tab |
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Application publication date: 20151209 |