CN104577190A - Steel-shell cylindrical lithium ion battery and preparation method thereof - Google Patents
Steel-shell cylindrical lithium ion battery and preparation method thereof Download PDFInfo
- Publication number
- CN104577190A CN104577190A CN201410835152.3A CN201410835152A CN104577190A CN 104577190 A CN104577190 A CN 104577190A CN 201410835152 A CN201410835152 A CN 201410835152A CN 104577190 A CN104577190 A CN 104577190A
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- plate
- cover plate
- stainless steel
- nickel plating
- box hat
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a steel-shell cylindrical lithium ion battery and a preparation method thereof. The lithium ion battery mainly comprises a positive plate, a negative plate, a partition film, an upper cover plate, a lower cover plate and a steel shell. The preparation method comprises the following steps: first, reeling the exposed foil material of the positive plate on a steel pipe of the upper cover plate during reeling; then, placing the partition film, the negative plate and the partition film reeling on the positive plate, wherein the exposed foil material of the negative plate is placed at the reeling tail part, the exposed foil material is longer than the positive plate and the partition film tail part, and the exposed foil material of the negative plate is reeled on the outer layer of the reeling core; arranging the steel shell in a sleeving manner after the reeling is completed; electrically welding the periphery of the upper cover plate on the steel shell in laser. The method is simple in procedure preparing the steel-shell cylindrical lithium ion battery, and does not need positive and negative pole lug spot welding; the battery is stable in performance, and low in preparation cost; the preparation method is suitable for steel-shell cylindrical lithium ion batteries in mass production.
Description
Technical field
The invention belongs to technical field of lithium ion, relate to a kind of box hat cylindrical lithium ion battery and preparation method thereof.
Background technology
Lithium ion battery energy density is large, has extended cycle life, high rate performance and security performance good, environmental protection, is a kind of high-performance storage battery, is mainly used in each energy storage and dynamic field, lithium ion battery industry is a kind of novel energy industry, has promoted the fast development of new forms of energy.
Box hat cylindrical lithium ion battery volumetric specific energy is large, have extended cycle life, obtain applying very widely, people constantly carry out the newly developed of box hat cylindrical lithium ion battery, one of emphasis of exploitation box hat cylindrical lithium ion battery is updating of battery production method and battery structure, box hat cylindrical lithium ion battery preparation technology and inside battery structure directly decide the key property of battery, and the reasonable lifting of preparation technology and mechanism effectively can promote the lifting of box hat cylindrical lithium ion battery performance.Common box hat cylindrical battery needs negative lug point back welding, positive pole ear welding upper cover plate, complex procedures, and negative lug point back welding welding stability is wayward, if the improvement of box hat cylindrical battery technique and the liter of structure can be carried out, by promoting the production efficiency of box hat cylindrical battery further, save production cost, improve product quality, promote new forms of energy development.
Summary of the invention
The object of this invention is to provide a kind of box hat cylindrical lithium ion battery and preparation method thereof, the technical problem solved finds rational box hat cylindrical battery preparation technology and box hat cylindrical battery configuration, improve the production efficiency of box hat cylindrical battery, save production cost, improve product quality, promote new forms of energy development.
For achieving the above object, the technical solution used in the present invention is:
A kind of box hat cylindrical lithium ion battery, comprise upper cover plate, it is characterized in that: upper cover plate is by positive pole cover plate, negative pole cover plate and insulation spacer composition, positive pole cover plate is welded with porous outer layer nickel plating stainless steel tube by upper cover plate outer nickel plating stainless steel disk and forms, porous outer layer nickel plating stainless steel tube is wound with positive plate and exposes foil part, positive plate is disposed with barrier film, negative plate, membrane winding, wherein negative plate exposes foil part and is arranged on winding afterbody, negative plate exposes foil partial-length and protrudes from positive plate and barrier film, negative plate exposes foil and is partially wrapped in core skin, outside core, box hat is installed, box hat is the outer nickel plating stainless steel tube of both ends open, upper cover plate outer nickel plating stainless steel disk is arranged with negative pole cover plate, insulation spacer is separated with in the middle of the outer nickel plating stainless steel disk of upper cover plate and negative pole cover plate, lower cover is provided with below upper cover plate, lower cover is made up of the outer nickel plating stainless steel disk of lower cover and lower cover insulation spacer, outer nickel plating stainless steel disk is stained with lower cover insulation spacer, and lower cover outer nickel plating stainless steel disk is carved with explosion-proof cutting, be provided with box hat between upper cover plate and lower cover, box hat is the outer nickel plating stainless steel tube of both ends open,
Insulation spacer in described upper and lower cover plates is PP material, outer nickel plating stainless steel circle porose centered by negative pole cover plate.
A kind of method preparing box hat cylindrical lithium ion battery, it is characterized in that: positive plate and negative plate are one and expose one section of foil structure, not soldering polar ear, first positive plate is exposed foil winds portions during winding on the porous outer layer nickel plating stainless steel tube of upper cover plate, then positive plate puts barrier film successively, negative plate, membrane winding, wherein negative plate exposes foil part and is placed on winding afterbody, length grows positive plate and barrier film afterbody, and negative plate exposes foil and is partially wrapped in core skin, reeled rear cover box hat, then by the electric welding of upper cover plate surrounding laser on box hat, next battery core baking is carried out, fluid injection, laser electric welding lower cover is on box hat, complete battery assembling, fluid injection and sealing.
Accompanying drawing explanation
Fig. 1 is positive plate of the present invention, negative plate, membrane configuration figure;
Fig. 2 is sectional side view of the present invention.
In accompanying drawing: 1, positive plate; 2, negative plate; 3, barrier film; 4, upper cover plate; 5, lower cover; 6, box hat; 41, positive pole cover plate; 42, negative pole cover plate; 43, upper cover plate insulation cushion; 411, upper cover plate outer nickel plating stainless steel disk; 412, porous outer layer nickel plating stainless steel tube; 51, lower cover outer nickel plating stainless steel disk; 52, lower cover insulation spacer; 11, positive plate exposes foil part; 21, negative plate exposes foil part.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
The present invention is as shown in Figure 1 and Figure 2:
A kind of box hat cylindrical lithium ion battery, comprise upper cover plate 4, it is characterized in that: upper cover plate 4 is by positive pole cover plate 41, negative pole cover plate 42 and insulation spacer 43 form, positive pole cover plate 4 is welded with porous outer layer nickel plating stainless steel tube 412 by upper cover plate outer nickel plating stainless steel disk 411 and forms, porous outer layer nickel plating stainless steel tube 412 is wound with positive plate and exposes foil part 11, positive plate 1 is disposed with barrier film 3, negative plate 2, barrier film 3 reels, wherein negative plate exposes foil part 21 and is arranged on winding afterbody, negative plate exposes foil part 21 length and protrudes from positive plate 1 and barrier film 3, negative plate exposes foil part 11 and is wound on core skin, box hat 6 is installed outside core, box hat is the outer nickel plating stainless steel tube of both ends open, upper cover plate outer nickel plating stainless steel disk 411 is arranged with negative pole cover plate 42, insulation spacer 43 is separated with in the middle of upper cover plate outer nickel plating stainless steel disk 411 and negative pole cover plate 42, lower cover 5 is provided with below upper cover plate 4, lower cover 5 is made up of lower cover outer nickel plating stainless steel disk 51 and lower cover insulation spacer 52, outer nickel plating stainless steel disk 51 is stained with lower cover insulation spacer 52, and lower cover outer nickel plating stainless steel disk 51 is carved with explosion-proof cutting, be provided with box hat 6 between upper cover plate 4 and lower cover 5, box hat is the outer nickel plating stainless steel tube of both ends open,
Insulation spacer in described upper and lower cover plates is PP material, outer nickel plating stainless steel circle porose centered by negative pole cover plate 42.
A kind of method preparing box hat cylindrical lithium ion battery, it is characterized in that: positive plate 1 and negative plate 2 are one and expose one section of foil structure, not soldering polar ear, first positive plate being exposed foil part 11 during winding is wound up on the porous outer layer nickel plating stainless steel tube 412 of upper cover plate 4, then positive plate 1 puts barrier film 3 successively, negative plate 2, barrier film 3 reels, wherein negative plate exposes foil part 21 and is placed on winding afterbody, length grows positive plate 1 and barrier film 3 afterbody, and negative plate exposes foil part 21 and is wound on core skin, reeled rear cover box hat 6, then by the electric welding of upper cover plate surrounding laser on box hat, next battery core baking is carried out, fluid injection, laser electric welding lower cover is on box hat, complete battery assembling, fluid injection and sealing.
Embodiment
26650 box hat cylindrical lithium ion batteries, are made up of positive plate 1, negative plate 2, barrier film 3, upper cover plate 4, lower cover 5, box hat 6.Wherein upper cover plate is made up of positive pole cover plate 41, negative pole cover plate 42 and insulation spacer 43, and positive pole cover plate is that outer nickel plating stainless steel disk 411 welds a porous outer layer nickel plating stainless steel tube 412, outer nickel plating stainless steel circle porose centered by negative pole cover plate.Lower cover is outer nickel plating stainless steel disk 51, is carved with explosion-proof cutting above, lower cover is stained with insulation spacer 52.Insulation spacer in upper and lower cover plates is PP material.Box hat is the outer nickel plating stainless steel tube of both ends open.Positive plate and negative plate are one and expose one section of foil structure, not soldering polar ear.First positive plate being exposed foil part 11 during winding is wound up on the steel pipe of upper cover plate, then positive plate puts barrier film, negative plate, membrane winding successively, wherein negative plate exposes foil part 21 and is placed on winding afterbody, length grows positive plate and barrier film afterbody, and negative plate exposes foil and is wound on core skin, reeled rear cover box hat, then by the electric welding of upper cover plate surrounding laser on box hat, next carry out battery core baking, fluid injection, laser electric welding lower cover on box hat, complete battery assembling, fluid injection and sealing.It is simple that the method makes box hat cylindrical lithium ion battery operation, do not need both positive and negative polarity auriculare to weld, and battery performance is stablized, and cost of manufacture is low, is the box hat cylindrical lithium ion battery preparation method with a kind of applicable production in enormous quantities.
A kind of box hat cylindrical lithium ion battery preparation method, is characterized in that: box hat cylindrical lithium ion battery is primarily of positive plate, negative plate, barrier film, upper cover plate, lower cover, box hat composition.Wherein upper cover plate is made up of positive pole cover plate, negative pole cover plate and insulation spacer, and positive pole cover plate is that outer nickel plating stainless steel disk welds a porous outer layer nickel plating stainless steel tube, outer nickel plating stainless steel circle porose centered by negative pole cover plate.
A kind of box hat cylindrical lithium ion battery preparation method, is characterized in that: box hat cylindrical lithium ion battery lower cover is outer nickel plating stainless steel disk, is carved with explosion-proof cutting above, lower cover is stained with insulation spacer.Insulation spacer in upper and lower cover plates is PP material.
A kind of box hat cylindrical lithium ion battery preparation method, is characterized in that: box hat cylindrical lithium ion battery box hat is the outer nickel plating stainless steel tube of both ends open.Positive plate and negative plate are one and expose one section of foil structure, not soldering polar ear.
A kind of box hat cylindrical lithium ion battery preparation method, it is characterized in that: first positive plate is exposed foil during box hat cylindrical lithium ion battery winding and be wound up on the steel pipe of upper cover plate, then positive plate puts barrier film successively, negative plate, membrane winding, wherein negative plate exposes foil and is placed on winding afterbody, length grows positive plate and barrier film afterbody, and negative plate exposes foil and is wound on core skin, reeled rear cover box hat, then by the electric welding of upper cover plate surrounding laser on box hat, next battery core baking is carried out, fluid injection, laser electric welding lower cover is on box hat, complete battery assembling, fluid injection and sealing.
Claims (3)
1. a box hat cylindrical lithium ion battery, comprise upper cover plate (4), it is characterized in that: upper cover plate (4) is by positive pole cover plate (41), negative pole cover plate (42) and insulation spacer (43) composition, positive pole cover plate (4) is welded with porous outer layer nickel plating stainless steel tube (412) by outer nickel plating stainless steel disk (411) of upper cover plate and forms, porous outer layer nickel plating stainless steel tube (412) is wound with positive plate and exposes foil part (11), positive plate (1) is disposed with barrier film (3), negative plate (2), barrier film (3) reels, wherein negative plate exposes foil part (21) and is arranged on winding afterbody, negative plate exposes foil part (21) length and protrudes from positive plate (1) and barrier film (3), negative plate exposes foil part (11) and is wound on core skin, box hat (6) is installed outside core, box hat is the outer nickel plating stainless steel tube of both ends open, outer nickel plating stainless steel disk (411) of upper cover plate is arranged with negative pole cover plate (42), insulation spacer (43) is separated with in the middle of outer nickel plating stainless steel disk (411) of upper cover plate and negative pole cover plate (42), upper cover plate (4) below is provided with lower cover (5), lower cover (5) is made up of outer nickel plating stainless steel disk (51) of lower cover and lower cover insulation spacer (52), outer nickel plating stainless steel disk (51) is stained with lower cover insulation spacer (52), and outer nickel plating stainless steel disk (51) of lower cover is carved with explosion-proof cutting, be provided with box hat (6) between upper cover plate (4) and lower cover (5), box hat is the outer nickel plating stainless steel tube of both ends open.
2. a kind of box hat cylindrical lithium ion battery according to claim 1, is characterized in that: the insulation spacer in described upper and lower cover plates is PP material, outer nickel plating stainless steel circle porose centered by negative pole cover plate (42).
3. prepare the method for box hat cylindrical lithium ion battery according to claim 1 for one kind, it is characterized in that: positive plate (1) and negative plate (2) are one and expose one section of foil structure, not soldering polar ear, first positive plate being exposed foil part (11) during winding is wound up on the porous outer layer nickel plating stainless steel tube (412) of upper cover plate (4), then positive plate (1) puts barrier film (3) successively, negative plate (2), barrier film (3) reels, wherein negative plate exposes foil part (21) and is placed on winding afterbody, length grows positive plate (1) and barrier film (3) afterbody, and negative plate exposes foil part (21) and is wound on core skin, reeled rear cover box hat (6), then by the electric welding of upper cover plate surrounding laser on box hat, next battery core baking is carried out, fluid injection, laser electric welding lower cover is on box hat, complete battery assembling, fluid injection and sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835152.3A CN104577190A (en) | 2014-12-30 | 2014-12-30 | Steel-shell cylindrical lithium ion battery and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835152.3A CN104577190A (en) | 2014-12-30 | 2014-12-30 | Steel-shell cylindrical lithium ion battery and preparation method thereof |
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| CN104577190A true CN104577190A (en) | 2015-04-29 |
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| CN201410835152.3A Pending CN104577190A (en) | 2014-12-30 | 2014-12-30 | Steel-shell cylindrical lithium ion battery and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470558A (en) * | 2015-12-16 | 2016-04-06 | 山东精工电子科技有限公司 | Cylindrical lithium ion battery and manufacturing method therefor |
| CN105932337A (en) * | 2016-06-08 | 2016-09-07 | 惠州亿纬锂能股份有限公司 | Processing method of chargeable crust lithium ion battery |
| CN106910932A (en) * | 2017-04-13 | 2017-06-30 | 大连中比动力电池有限公司 | A kind of lithium ion battery and preparation method thereof |
| CN110085921A (en) * | 2016-06-08 | 2019-08-02 | 雷纳塔股份公司 | A kind of chargeable lithium ion battery with hard shell |
| CN113921765A (en) * | 2021-09-29 | 2022-01-11 | 蜂巢能源科技有限公司 | Cylindrical lithium battery and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1083833A (en) * | 1996-09-06 | 1998-03-31 | Japan Storage Battery Co Ltd | Secondary battery |
| CN2916944Y (en) * | 2006-07-12 | 2007-06-27 | 深圳市比克电池有限公司 | Cylindrical lithium ion battery |
| JP2008016411A (en) * | 2006-07-10 | 2008-01-24 | Hissho Go | Pole winding conductive structure of lithium secondary battery |
| CN102549810A (en) * | 2009-12-25 | 2012-07-04 | 丰田自动车株式会社 | Battery |
| CN204375802U (en) * | 2014-12-30 | 2015-06-03 | 山东精工电子科技有限公司 | A kind of box hat cylindrical lithium ion battery |
-
2014
- 2014-12-30 CN CN201410835152.3A patent/CN104577190A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1083833A (en) * | 1996-09-06 | 1998-03-31 | Japan Storage Battery Co Ltd | Secondary battery |
| JP2008016411A (en) * | 2006-07-10 | 2008-01-24 | Hissho Go | Pole winding conductive structure of lithium secondary battery |
| CN2916944Y (en) * | 2006-07-12 | 2007-06-27 | 深圳市比克电池有限公司 | Cylindrical lithium ion battery |
| CN102549810A (en) * | 2009-12-25 | 2012-07-04 | 丰田自动车株式会社 | Battery |
| CN204375802U (en) * | 2014-12-30 | 2015-06-03 | 山东精工电子科技有限公司 | A kind of box hat cylindrical lithium ion battery |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470558A (en) * | 2015-12-16 | 2016-04-06 | 山东精工电子科技有限公司 | Cylindrical lithium ion battery and manufacturing method therefor |
| CN105470558B (en) * | 2015-12-16 | 2018-01-02 | 山东精工电子科技有限公司 | Cylindrical lithium ion battery and preparation method thereof |
| CN105932337A (en) * | 2016-06-08 | 2016-09-07 | 惠州亿纬锂能股份有限公司 | Processing method of chargeable crust lithium ion battery |
| CN105932337B (en) * | 2016-06-08 | 2018-10-26 | 惠州亿纬锂能股份有限公司 | A kind of processing method of chargeable lithium ion battery with hard shell |
| CN110085921A (en) * | 2016-06-08 | 2019-08-02 | 雷纳塔股份公司 | A kind of chargeable lithium ion battery with hard shell |
| CN110085921B (en) * | 2016-06-08 | 2024-01-30 | 雷纳塔股份公司 | Rechargeable hard shell lithium ion battery |
| CN106910932A (en) * | 2017-04-13 | 2017-06-30 | 大连中比动力电池有限公司 | A kind of lithium ion battery and preparation method thereof |
| CN113921765A (en) * | 2021-09-29 | 2022-01-11 | 蜂巢能源科技有限公司 | Cylindrical lithium battery and preparation method thereof |
| CN113921765B (en) * | 2021-09-29 | 2023-02-21 | 蜂巢能源科技有限公司 | Cylindrical lithium battery and preparation method thereof |
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Application publication date: 20150429 |