CN208712120U - Gasket is used in a kind of coating of lithium ion cell positive - Google Patents

Gasket is used in a kind of coating of lithium ion cell positive Download PDF

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Publication number
CN208712120U
CN208712120U CN201821091409.9U CN201821091409U CN208712120U CN 208712120 U CN208712120 U CN 208712120U CN 201821091409 U CN201821091409 U CN 201821091409U CN 208712120 U CN208712120 U CN 208712120U
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China
Prior art keywords
discharge port
branch
feed opening
feeding groove
striker plate
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CN201821091409.9U
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Chinese (zh)
Inventor
王晶
吴清真
李聪聪
张海阳
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Lixin Jiangsu Energy Technology Co ltd
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Lixin Jiangsu Energy Technology Co Ltd
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Abstract

The utility model discloses a kind of lithium ion cell positive coating gaskets, including gasket mainboard, two side block flitch and intermediate striker plate, gasket mainboard includes long side and two short sides, two short side upper ends are connected separately with horizontally disposed side block flitch, short side is equipped with feed opening one, side block flitch is equipped with discharge port one and feeding groove one, the feed opening one and discharge port one are connected to by feeding groove one, long side is equipped with feed opening two, intermediate striker plate is equipped with feeding groove two, discharge port two and discharge port three, two lower end of feeding groove is connected to the feed opening two, upper end is branched off into two branches.The utility model has the advantages that due to setting, there are two discharge port one, discharge port two and discharge ports three; insulating materials slurry is coated by corresponding discharge port in the both sides of the edge of anode sizing agent; positive plate tab side edge can be made to have insulating materials to be protected; it reduces positive plate and negative electrode tab in use and pole piece short-circuit risks occurs, improve safety coefficient.

Description

Gasket is used in a kind of coating of lithium ion cell positive
Technical field
The utility model relates to pad fields, more particularly to a kind of lithium ion cell positive coating gasket.
Background technique
With popularizing for new energy power vehicle, the demand of lithium-ion-power cell is also increasing, and cell safety is also All enterprises and its client's very concern, wherein positive plate and negative electrode tab can deposit lithium ion battery during use In pole piece short-circuit risks, safety accident may be caused.
The pole piece short-circuit risks between positive plate and negative electrode tab are how reduced, the emphasis of people's research is become.
Utility model content
Purpose of utility model: in view of the above problems, the object of the present invention is to provide a kind of paintings of lithium ion cell positive Cloth gasket there is technical issues that with the pole piece solved between positive plate and negative electrode tab.
Technical solution:
A kind of lithium ion cell positive coating gasket, including gasket mainboard, two side block flitch and intermediate striker plate, institute Stating gasket mainboard includes a long side and two short sides that the long side both ends connect straight up, two short side upper ends point It is not connected with the horizontally disposed side block flitch, and the side block flitch extends to long side midpoint direction, the centre For striker plate by upwardly extending to obtain in the middle part of the long side, the short side is equipped with feed opening one, and the side block flitch is equipped with The feed opening one and the discharge port one are connected to by material mouth one and feeding groove one, the feeding groove one, and the long side is equipped with Feed opening two, the intermediate striker plate are equipped with feeding groove two, discharge port two and discharge port three, two lower end of feeding groove and institute State the connection of feed opening two, upper end is branched off into two branches, two branch upper ends respectively with the discharge port two, the discharging Mouth tee joint, the discharge port two, the discharge port three are located at the upper end two sides of the intermediate striker plate, the discharge port Two, the discharge port three is correspondingly arranged with the corresponding discharge port one respectively, and the feed opening one, the feed opening two are distinguished It is connected to by pipeline with insulating materials slurry.Due to setting there are two side block flitch, the coating width of anode sizing agent can be carried out It limits;Due to setting there are two discharge port one, discharge port two and discharge port three, in the both sides of the edge of anode sizing agent by going out accordingly Material mouth coats insulating materials slurry, and the tab side edge of positive plate can be made to have insulating materials to be protected, and reduction was using There are pole piece short-circuit risks in positive plate and negative electrode tab in journey, improve safety coefficient.
The branch includes branch one, branch two and through-hole in one of the embodiments, and the branch two is located at described The top of branch one, the branch one are located on the upper face of the intermediate striker plate, and the branch two is located at the middle apron It on the lower face of flitch, is connected between the branch one and the branch two by the through-hole, the feeding groove one is located at institute On the upper face for stating side block flitch.Since branch one and branch two are separately positioned on the upper face of intermediate striker plate, lower face, And be connected to by through-hole, middle apron flitch and upper die head, lower die head can be made to be bonded closer, avoided due to feeding groove One all when on the upper face of intermediate striker plate, and feeding groove one is longer, makes to generate between intermediate striker plate and upper die head, lower die head Gap is not easy to be close to upper die head and lower die head, causes the mixing of insulating materials slurry and anode sizing agent, to guarantee that slurry coats Go on smoothly;In addition, due to being equipped with branch one and branch two, and be located in the different plate faces of intermediate striker plate, it is ensured that The concordant degree during lithium ion cell positive coating gasket is dismounted, and is unlikely to deform.
In one of the embodiments, the discharge port one, the discharge port two, the discharge port three exit be all provided with There is chamfering structure.Since the edge fat edges abnormal phenomenon in insulating materials slurry coating process can be prevented equipped with chamfering structure, Coating efficiency is improved, while reducing the scrappage in coating process.
The gasket mainboard, two side block flitch and the intermediate striker plate are one in one of the embodiments, Forming structure.
The long side is equipped with multiple mounting holes in one of the embodiments,.
In one of the embodiments, the lithium ion cell positive coating gasket with a thickness of 1.0~1.5mm.
The utility model has the advantages that compared with prior art, the utility model has the advantages that there are two discharge ports one, discharge port due to setting Two and discharge port three, insulating materials slurry is coated by corresponding discharge port in the both sides of the edge of anode sizing agent, anode can be made The tab side edge of piece has insulating materials to be protected, and pole piece short circuit wind occur in positive plate and negative electrode tab in use for reduction Safety coefficient is improved in danger.
Detailed description of the invention
Fig. 1 is the lithium ion cell positive coating of the utility model main view of gasket;
Fig. 2 is the a-quadrant partial enlarged view of Fig. 1;
Fig. 3 is the B area partial enlarged view of Fig. 1;
Fig. 4 is the lithium ion cell positive coating of the utility model rearview of gasket;
Fig. 5 is the structural schematic diagram of the positive plate after coating;
In figure, 1- gasket mainboard, 110- long side, 120- short side, 2- side block flitch, striker plate among 3-, 4- feed opening one, 5- discharge port one, 51- chamfering, 6- feeding groove one, 7- discharge port two, 8- discharge port three, 9- feeding groove two, 91- branch, 911- branch Lu Yi, 912- branch two, 913- through-hole, 10- mounting hole, 11- feed opening two, 100- apply cloth base material, 200- anode sizing agent area, 300- insulating materials slurry area.
Specific embodiment
Please refer to FIG. 1 to FIG. 4, a kind of lithium ion cell positive coating gasket, including 1, two side block material of gasket mainboard Plate 2 and intermediate striker plate 3.Gasket mainboard 1 includes a long side 110 and two short sides that 110 both ends of long side connect straight up 120, two 120 upper ends of short side are connected separately with horizontally disposed side block flitch 2, and two side block flitch 2 are all into long side 110 Point direction extends, and intermediate striker plate 3 in the middle part of long side 110 by upwardly extending to obtain, and in the present embodiment, intermediate striker plate 3 is by growing 110 midpoint of side upwardly extends to obtain.Short side 120 is equipped with feed opening 1, and side block flitch 2 is equipped with discharge port 1 and feeding groove One 6, feed opening 1 and discharge port 1 are connected to by feeding groove 1, and discharge port 1 is located at one of side block flitch 2 far from short side 120 End, wherein feeding groove 1 is L shape feeding groove, and feeding groove 1 is located on the upper face of side block flitch 2.Gasket mainboard 1, two Side block flitch 2 and intermediate striker plate 3 are an integral molding structure.Wherein, multiple mounting holes are designed on long side 110 and short side 120 10.Circular hole in addition to two feed openings 1 and a feed opening 2 11 is all mounting hole 10, and mounting hole 10 is for working as upper mold After head and lower die head and lithium ion cell positive coating are installed with gasket, with fastener across multiple mounting holes 10 by upper die head, Lithium ion cell positive coating gasket and lower die head installation are fixed.Wherein, two discharge ports 1, discharge port 27, discharge port 38 exit is equipped with chamfering structure, and specially exit two sides are designed with chamfering 51.It, can be to prevent due to being equipped with chamfering 51 The only generation of insulating materials slurry coating edge fat edges abnormal phenomenon.Lithium ion cell positive coating gasket with a thickness of 1.0 ~1.5mm, feeding groove 1, feeding groove 29 groove depth be 0.5~0.8mm.In the present embodiment, lithium ion cell positive coating is used Gasket with a thickness of 1.2mm, feeding groove 1, feeding groove 29 groove depth be 0.6mm.
Middle part is equipped with feed opening 2 11 in long side 110, and intermediate striker plate 3 is equipped with feeding groove 29, discharge port 27 and goes out Material mouth 38,29 lower end of feeding groove are connected to feed opening 2 11, and upper end is branched off into two branches 91, two 91 upper end of branch difference It is connected to discharge port 27, discharge port 38, wherein branch 91 includes branch 1, branch 2 912 and through-hole 913, branch two 912 are located at the top of branch 1, and branch 1 is located on the upper face of intermediate striker plate 3, and branch 2 912 is located at middle apron On the lower face of flitch 3, it is connected between branch 1 and branch 2 912 by through-hole 913.Branch 1 and branch 2 912 It is all conveying slot structure.Discharge port 27, discharge port 38 are located at the upper end two sides of intermediate striker plate 3, and discharge port 27 goes out Material mouth 38 is correspondingly arranged with corresponding discharge port 1 respectively, discharge port 27 and the discharge port 1 close to 27 side of discharge port It is correspondingly arranged, discharge port 38 is correspondingly arranged with the discharge port 1 close to 38 side of discharge port, two feed openings 1, feed openings 2 11 are connected to by pipeline with insulating materials slurry respectively.Wherein, in the present embodiment, insulating materials slurry can be ceramic slurry Material.
Referring to Fig. 5, the above-mentioned lithium ion cell positive coating course of work of gasket are as follows: by upper die head, lithium-ion electric Pond anode coating gasket and lower die head pressing installation, and pass through multiple mounting holes 10 with fastener and be fastened and fixed, two One 4, feed openings 2 11 of feed opening are connected to by pipeline with insulating materials slurry respectively, anode sizing agent entrance and anode sizing agent Conveyance conduit connection is applying cloth base material 100 by coating anode sizing agent and insulating materials slurry simultaneously to applying on cloth base material 100 Upper formation Liang Tiao anode sizing agent area 200, meanwhile, insulation material slurry is formed in the width direction both sides of the edge in anode sizing agent area 200 Expect area 300, the coating process of anode sizing agent and insulating materials slurry can be completed.

Claims (6)

1. a kind of lithium ion cell positive coating gasket, which is characterized in that including gasket mainboard (1), two side block flitch (2) And intermediate striker plate (3), the gasket mainboard (1) include that a long side (110) and the long side (110) both ends connect straight up Two short sides (120) connect, two short side (120) upper ends are connected separately with the horizontally disposed side block flitch (2), and Side block flitch (2) Xiang Suoshu long side (110) the midpoint direction extends, and the intermediate striker plate (3) is by the long side (110) Portion upwardly extends to obtain, and the short side (120) is equipped with feed opening one (4), and the side block flitch (2) is equipped with discharge port one (5) and the feed opening one (4) and the discharge port one (5) are connected to by feeding groove one (6), the feeding groove one (6), the length Side (110) is equipped with feed opening two (11), and the intermediate striker plate (3) is equipped with feeding groove two (9), discharge port two (7) and goes out Material mouth three (8), feeding groove two (9) lower end are connected to the feed opening two (11), and upper end is branched off into two branches (91), and two A branch (91) upper end is connected to the discharge port two (7), the discharge port three (8) respectively, the discharge port two (7), The discharge port three (8) is located at the upper end two sides of the intermediate striker plate (3), the discharge port two (7), the discharge port Three (8) are correspondingly arranged with the corresponding discharge port one (5) respectively, and the feed opening one (4), the feed opening two (11) are respectively It is connected to by pipeline with insulating materials slurry.
2. a kind of lithium ion cell positive coating gasket according to claim 1, which is characterized in that the branch (91) Including branch one (911), branch two (912) and through-hole (913), the branch two (912) is located at the upper of the branch one (911) Side, the branch one (911) are located on the upper face of the intermediate striker plate (3), and the branch two (912) is located at the centre On the lower face of striker plate (3), between the branch one (911) and the branch two (912) even by the through-hole (913) Logical, the feeding groove one (6) is located on the upper face of the side block flitch (2).
3. a kind of lithium ion cell positive coating gasket according to claim 1, which is characterized in that the discharge port one (5), the discharge port two (7), the discharge port three (8) exit be equipped with chamfering structure.
4. a kind of lithium ion cell positive coating gasket according to claim 1, which is characterized in that the gasket mainboard (1), two side block flitch (2) and the intermediate striker plate (3) are an integral molding structure.
5. a kind of lithium ion cell positive coating gasket according to claim 1, which is characterized in that the long side (110) multiple mounting holes (10) are equipped with.
6. a kind of lithium ion cell positive coating gasket according to claim 1, which is characterized in that the lithium-ion electric Pond anode coating gasket with a thickness of 1.0~1.5mm.
CN201821091409.9U 2018-07-10 2018-07-10 Gasket is used in a kind of coating of lithium ion cell positive Active CN208712120U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821091409.9U CN208712120U (en) 2018-07-10 2018-07-10 Gasket is used in a kind of coating of lithium ion cell positive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821091409.9U CN208712120U (en) 2018-07-10 2018-07-10 Gasket is used in a kind of coating of lithium ion cell positive

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112635704A (en) * 2020-12-28 2021-04-09 蜂巢能源科技有限公司 Pole piece and pole piece coating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112635704A (en) * 2020-12-28 2021-04-09 蜂巢能源科技有限公司 Pole piece and pole piece coating method

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Address after: 2 Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province

Patentee after: Lixin (Jiangsu) Energy Technology Co.,Ltd.

Address before: No.2, Dagang Dashan Road, New District, Zhenjiang City, Jiangsu Province

Patentee before: ETRUST POWER Group Ltd.

CP03 Change of name, title or address