CN206849707U - A kind of Large Copacity electrochemical device monomer structure - Google Patents

A kind of Large Copacity electrochemical device monomer structure Download PDF

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Publication number
CN206849707U
CN206849707U CN201720445719.5U CN201720445719U CN206849707U CN 206849707 U CN206849707 U CN 206849707U CN 201720445719 U CN201720445719 U CN 201720445719U CN 206849707 U CN206849707 U CN 206849707U
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aluminium
pole
cover plate
aluminium pole
electrochemical device
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孙伟
王俊华
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Gmcc Electronic Technology Wuxi Co Ltd
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Gmcc Electronic Technology Wuxi Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/13Energy storage using capacitors

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Abstract

The utility model discloses a kind of Large Copacity electrochemical device monomer structure, including aluminium pole, aluminium pot, cover plate, collector, electrode roll core;Electrode roll core both ends of the surface connect a collector respectively;Two collectors connect the aluminium pole at both ends respectively;Aluminium pole is ladder post;Cover plate is enclosed on aluminium pole, and insulated ring is provided between the side end face of cover plate one and aluminium pole, sealing ring is provided between insulated ring inner ring wall and aluminium pole;Sealing ring is pressed on aluminium pole by plastics fixed block;Isolated between cover plate inner ring wall and aluminium pole by insulated ring and plastics fixed block;Holding firmware is provided with above plastics fixed block to be positioned.Using the utility model structure, its production process is simple, easily realizes automated production, improves the uniformity of product, reduces production cost, more conducively use of the every profession and trade to ultracapacitor.And aluminium pot is not charged, reliability is improved.

Description

A kind of Large Copacity electrochemical device monomer structure
Technical field
The utility model belongs to electrochemical energy storing device technical field, processed more particularly to a kind of easily realization automation, Safe and reliable cylindrical high-capacity electrochemical device monomer structure.
Background technology
Ultracapacitor is a kind of novel energy storage apparatus between traditional capacitor and rechargeable battery, and its capacity is reachable Thousands of farads, compared with traditional capacitor, it has a larger capacity, higher energy, wider operating temperature and extremely long Service life, and it has and has higher specific power compared with battery, and it is environmentally safe, including track traffic, wind The national strategy new industry such as power generating, public transport bus, intelligent grid has the extensive market demand, but due to traditional Collector is welded at ultracapacitor generally use electrode cores both ends in structure, and one end collector passes through hot assembly with aluminium pot shell Close, other end collector coordinates with upper lid, is fixed between upper lid and aluminium pot by sealing ring sealed insulation, then sealing, dress Relative complex with process, many processes need manual operations, and automated production can not be realized before vacuum drying, cause the one of product The shortcomings that poor and product cost of cause property is higher, the advantage of ultracapacitor can not be played well in many application fields.And And because aluminium pot is also powered as a polarity, after sealing, distance is close between being covered on aluminium pot and another polarity, easily Produce electrochemical corrosion and short-circuit risks.
The content of the invention
The purpose of this utility model is to provide a kind of easily realize and automates processing, safe and reliable cylindrical high-capacity electricity Chemical device monomer structure, the shortcomings that above-mentioned be present to solve conventional Super capacitor.
The utility model to achieve the above object, adopts the following technical scheme that:
A kind of Large Copacity electrochemical device monomer structure, including aluminium pole, aluminium pot, the lid positioned at both ends positioned at both ends Plate, collector, electrode roll core;The electrode roll core both ends of the surface connect a collector respectively;Two collectors connect respectively Connect the aluminium pole at both ends;It is characterized in that:The aluminium pot by isolation structure and aluminium pole, collector, electrode roll core insulation every From.
It is further characterized by:The aluminium pole is ladder post;The cover plate is enclosed on aluminium pole, the cover plate side Insulated ring is provided between end face and aluminium pole, sealing ring is provided between the insulated ring inner ring wall and aluminium pole;It is described close Seal is pressed on the aluminium pole by plastics fixed block;Pass through insulated ring and modeling between the cover plate inner ring wall and aluminium pole Expect fixed block isolation;Holding firmware is set to be positioned above the plastics fixed block.
It is further characterized by:There is step, the step inserts collector on the periphery of described aluminium pole one end In internal diameter, the external diameter of one end periphery of the aluminium pole is set to be matched with the external diameter of collector.
Further:The cover plate excircle of one end inserts the aluminium pot internal diameter;The cover plate excircle of the other end Upper to have step, the step inserts the internal diameter of the aluminium pot.
Excircle inserts an end casing upper surface and the aluminium pot mouth flush of the aluminium pot internal diameter;The cover plate of the other end Excircle external diameter matched with aluminium pot external diameter.
Preferably:The difference of an end casing excircle diameter and aluminium pot internal diameter that excircle inserts the aluminium pot internal diameter is -0.1 ~+0.3mm。
Above-mentioned holding firmware is that the deformation on jump ring or aluminium pole is raised.
Two end faces of above-mentioned electrode roll core winding are smooth, are respectively welded a collector, on the collector solder side It is provided with positioning hole and delivery hole.
It is helicitic texture or non-threaded structure that above-mentioned aluminium pole, which is located at aluminium pot exterior section,;Aluminium pole described in one or both ends On be provided with liquid injection hole, is sealed in liquid injection hole using plug and laser welding mode.
A kind of Large Copacity electrochemical device monomer assemble method based on above-mentioned Large Copacity electrochemical device monomer structure, its It is characterised by comprising the steps:
(1)Electrode cores material is wound into electrode cores volume, is flattened by shaping, makes two end faces smooth, and pass through respectively One collector of laser welding;
(2)The step of two aluminium pole one end peripheries is inserted in two collector internal diameters respectively, makes two aluminium poles The external diameter of excircle matched with the external diameter of two collectors, two that two steps and two collectors are passed through using laser Contact seam along the circumferential direction welds together aluminium pole and collector;
(3)Assemble sealing ring, insulated ring and cover plate successively on two aluminium poles, and compressed with plastics fixed block, fixed Part positions;
(4)By step(3)In electrode cores roll combination be put into aluminium pot from one end, make an end casing pass through aluminium pot after upper end Face and aluminium pot mouth flush;The internal diameter of step insertion aluminium pot on another end casing excircle, make the excircle external diameter of cover plate with Aluminium pot external diameter matches;
(5)Cover plate and aluminium pot are welded along the gap of both cover plate and aluminium pot respectively using laser.
Preferably:The step(4)In, will be assembled again after aluminium pot heating expansion in advance, its heating-up temperature 150 ~ Between 200 degree.
The step(5)In, using sequential welding, welding penetration is 0.5 ~ 1.2mm, and laser beam overlap ratio is 60 ~ 90%.
The beneficial effects of the utility model are, simple using the structure production process, easily realize automated production, improve The uniformity of product, reduce production cost, more conducively use of the every profession and trade to ultracapacitor.In addition, the utility model monomer Structure, aluminium pot and the insulation of aluminium pole, aluminium pot is not charged, avoids the risk of electrochemical corrosion and short circuit, improves electrochemistry device The reliability of part.
Brief description of the drawings
Fig. 1 is the utility model Large Copacity electrochemical device monomer structure schematic diagram.
Fig. 2,3 are positive pole aluminium pole and negative pole aluminium pole assembly structure diagram.
Fig. 4 is negative pole cover plate and aluminium pot circumference soldering effect enlarged drawing.
Embodiment
A kind of Large Copacity electrochemical device monomer structure as shown in Figure 1, including positive pole aluminium pole 2, aluminium pot 9, positive pole cover plate 1st, plus plate current-collecting body 7, electrode roll core 8 and negative current collector 7a and negative pole cover plate 1a and negative pole aluminium pole 2a.The both ends of electrode roll core 8 Face connects plus plate current-collecting body 7 and negative current collector 7a respectively.Plus plate current-collecting body 7 and negative current collector 7a connect positive pole aluminium pole respectively Post 2 and negative pole aluminium pole 2a.
As shown in Fig. 2 positive pole aluminium pole 2 and negative pole aluminium pole 2a are ladder post.Positive pole cover plate 1 is enclosed on positive pole aluminium pole 2 On, be provided with insulated ring 5 between the lower surface of positive pole cover plate 1 and positive pole aluminium pole 2, the inner ring wall of insulated ring 5 and positive pole aluminium pole 2 it Between be provided with sealing ring 6;The top of insulated ring 5 has compressed plastics fixed block 4;Between the inner ring wall of positive pole cover plate 1 and positive pole aluminium pole 2 Isolated by insulated ring 5 and plastics fixed block 4;The top of plastics fixed block 4 is provided with jump ring 3 and positioned.As shown in figure 3, same knot Structure, negative pole cover plate 1a is enclosed on negative pole aluminium pole 2a, is provided between negative pole cover plate 1a upper surfaces and negative pole aluminium pole 2a absolutely Edge circle 5, sealing ring 6 is provided between the inner ring wall of insulated ring 5 and negative pole aluminium pole 2a;The lower section of insulated ring 5 has compressed plastics and fixed Block 4;Isolated between negative pole cover plate 1a inner rings wall and negative pole aluminium pole 2a by insulated ring 5 and plastics fixed block 4;Plastics fixed block 4 lower sections are provided with jump ring 3 and positioned.
For the reliability of installation, there is step, step insertion plus plate current-collecting body on the lower circumference face of positive pole aluminium pole 2 In 7 internal diameters, the external diameter in the lower circumference face of positive pole aluminium pole 2 is set to be matched with the external diameter of plus plate current-collecting body 7.Likewise, negative pole There is step on the periphery of aluminium pole 2a tops, in step insertion negative current collector 7a internal diameters, make that negative pole aluminium pole 2a's is upper The external diameter of portion's periphery matches with negative current collector 7a external diameter.
As shown in figure 1, the external diameter of aluminium pot 9 is in 50 ~ 100mm, 30 ~ 200mm of height, wall thickness is in 0.5 ~ 1.2mm, in straight tube knot Structure, and carry anti-explosion groove 10.For the ease of installation, the difference of the excircle diameter of positive pole cover plate 1 and the internal diameter of aluminium pot 9 for -0.1 ~+ Cooperation between 0.3mm, the i.e. internal diameter of the external diameter of positive pole cover plate 1 and aluminium pot 9 can be that interference fit or gap coordinate.Positive cover The excircle of plate 1 may be inserted into the internal diameter of aluminium pot 9.As shown in Fig. 1,4, there is step, the step on negative pole cover plate 1a excircles Insert the internal diameter of aluminium pot 9.The upper surface of positive pole cover plate 1 and 9 mouthfuls of flushes of aluminium pot;Negative pole cover plate 1a excircle external diameter and aluminium pot 9 External diameter matches.
Two end faces that electrode roll core 8 is wound are smooth, and plus plate current-collecting body 7 and negative current collector 7a, positive pole collection is respectively welded Positioning hole and delivery hole are provided with fluid 7 and negative current collector 7a solders side.
It can be helicitic texture or non-threaded structure that positive pole aluminium pole 2 and negative pole aluminium pole 2a, which are located at aluminium pot exterior section,; Liquid injection hole 11 is provided with positive pole aluminium pole 2 and/or negative pole aluminium pole 2a, uses plug and laser welding mode close in liquid injection hole 11 Envelope.
A kind of Large Copacity electrochemical device monomer assemble method based on above-mentioned Large Copacity electrochemical device monomer structure, bag Include following step:
(1)Electrode cores material is wound into electrode cores volume 8, is flattened by shaping, makes two end faces smooth, and pass through respectively Laser welding plus plate current-collecting body 7 and negative current collector 7a.
(2)The top periphery step of the step in the lower circumference face of positive pole aluminium pole 2 and negative pole aluminium pole 2a is inserted respectively In the internal diameter for entering the internal diameter of plus plate current-collecting body 7 and negative current collector 7a, make the external diameter and two affluxs of the excircle of two aluminium poles The external diameter of body is matched, and seam is contacted along the circumferential direction by aluminium pole by two of two steps and two collectors using laser Weld together with collector.
(3)Assemble sealing ring 6, insulated ring 5 and positive pole cover plate 1 successively on positive pole aluminium pole 2, and with plastics fixed block 4 Compress, jump ring 3 positions;Assemble sealing ring 6, insulated ring 5 and negative pole cover plate 1a successively on negative pole aluminium pole 2a, and consolidated with plastics Determine block 4 to compress, jump ring 3 positions.
(4)By step(3)In electrode cores roll up 8 assemblys be put into aluminium pot 9 from the one end of positive pole aluminium pole 2, make positive pole cover plate 1 Through upper surface after aluminium pot 9 and 9 mouthfuls of flushes of aluminium pot;The internal diameter of step insertion aluminium pot 9 on negative pole cover plate 1a excircles, negative pole Cover plate 1a excircle external diameter matches with the external diameter of aluminium pot 9;Assembled again after aluminium pot 9 is heated into expansion in advance before assembly, Its heating-up temperature is between 150 ~ 200.
(5)Using laser sequential welding respectively along both 9 liang of gap, negative pole cover plate 1a and aluminium pots of positive pole cover plate 1 and aluminium pot 9 The gap 12 of person(As shown in Figure 4), by positive cover, 1, negative pole cover plate 1a and aluminium pot 9 weld.Welding penetration be 0.5 ~ 1.2mm, laser beam overlap ratio are 60 ~ 90%.
Wherein step(3)In jump ring can also use riveting form substitute, i.e., to aluminium pole press, make aluminium pole produce Deformation projection positions to sealing ring, insulated ring and cover plate and plastics fixed block.
It is simple using the utility model structure production process, automated production is easily realized, the uniformity of product is improved, subtracts Few production cost, more conducively use of the every profession and trade to ultracapacitor.

Claims (9)

1. a kind of Large Copacity electrochemical device monomer structure, including the aluminium pole positioned at both ends, aluminium pot, the cover plate positioned at both ends, Collector, electrode roll core;The electrode roll core both ends of the surface connect a collector respectively;Two collectors connect two respectively The aluminium pole at end;It is characterized in that:The aluminium pot is dielectrically separated from by isolation structure and aluminium pole, collector, electrode roll core.
2. Large Copacity electrochemical device monomer structure according to claim 1, it is characterised in that:The aluminium pole is ladder Post;
The cover plate is enclosed on aluminium pole, and insulated ring, the insulated ring are provided between the side end face of cover plate one and aluminium pole Sealing ring is provided between inner ring wall and aluminium pole;The sealing ring is pressed on the aluminium pole by plastics fixed block;Institute State and isolated between cover plate inner ring wall and aluminium pole by insulated ring and plastics fixed block;Have above the plastics fixed block and fix Part is positioned.
3. Large Copacity electrochemical device monomer structure according to claim 2, it is characterised in that:Described aluminium pole one end There is step, the step is inserted in collector internal diameter, makes the external diameter and collection of one end periphery of the aluminium pole on periphery The external diameter of fluid matches.
4. Large Copacity electrochemical device monomer structure according to claim 3, it is characterised in that:Outside the cover plate of one end Circumference inserts the aluminium pot internal diameter;There is step, the step inserts the aluminium pot on the cover plate excircle of the other end Internal diameter.
5. Large Copacity electrochemical device monomer structure according to claim 4, it is characterised in that:Excircle inserts the aluminium One end casing upper surface of tank internal diameter and aluminium pot mouth flush;The excircle external diameter of the cover plate of the other end and aluminium pot external diameter phase It coincide.
6. Large Copacity electrochemical device monomer structure according to claim 5, it is characterised in that:Excircle inserts the aluminium One end casing excircle diameter of tank internal diameter and the difference of aluminium pot internal diameter are -0.1 ~+0.3mm.
7. the Large Copacity electrochemical device monomer structure according to claim any one of 2-6, it is characterised in that:The fixing Part is that the deformation on jump ring or aluminium pole is raised.
8. the Large Copacity electrochemical device monomer structure according to claim any one of 1-6, it is characterised in that:The electrode Two end faces of core winding are smooth, and a collector is respectively welded, positioning hole and drain are provided with the collector solder side Hole.
9. the Large Copacity electrochemical device monomer structure according to claim any one of 1-6, it is characterised in that:The aluminium pole It is helicitic texture or non-threaded structure that post, which is located at aluminium pot exterior section,;Liquid injection hole is provided with aluminium pole described in one or both ends, is noted Sealed in fluid apertures using plug and laser welding mode.
CN201720445719.5U 2017-04-26 2017-04-26 A kind of Large Copacity electrochemical device monomer structure Active CN206849707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720445719.5U CN206849707U (en) 2017-04-26 2017-04-26 A kind of Large Copacity electrochemical device monomer structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720445719.5U CN206849707U (en) 2017-04-26 2017-04-26 A kind of Large Copacity electrochemical device monomer structure

Publications (1)

Publication Number Publication Date
CN206849707U true CN206849707U (en) 2018-01-05

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CN201720445719.5U Active CN206849707U (en) 2017-04-26 2017-04-26 A kind of Large Copacity electrochemical device monomer structure

Country Status (1)

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