CN112018452A - Cylindrical battery and packaging method thereof - Google Patents
Cylindrical battery and packaging method thereof Download PDFInfo
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- CN112018452A CN112018452A CN202010924555.0A CN202010924555A CN112018452A CN 112018452 A CN112018452 A CN 112018452A CN 202010924555 A CN202010924555 A CN 202010924555A CN 112018452 A CN112018452 A CN 112018452A
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- Prior art keywords
- battery body
- negative electrode
- positive
- glue
- extending direction
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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
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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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
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- 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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a cylindrical battery and a packaging method thereof, wherein the packaging method comprises the following steps: sticking red Marla glue at the joint of the positive lug and the battery body along the extending direction of the positive lug; folding and flattening the positive lug, and pasting a first tawny high-temperature adhesive at the joint of the positive lug and the battery body, which is perpendicular to the extending direction of the positive lug; sticking black Mala glue on the joint of the negative electrode tab and the battery body along the extending direction of the negative electrode tab; folding and flattening the negative electrode tab, and pasting second brown high-temperature glue perpendicular to the extending direction of the negative electrode tab at the joint of the negative electrode tab and the battery body; cutting the exposed ends of the positive electrode lug and the negative electrode lug to required lengths; sticking third dark-brown high-temperature glue on the two sealed side edges of the battery body; through paste red maraca glue and black maraca glue respectively in positive tab and negative pole ear punishment, can play the effect of packing and easily distinguish positive negative pole, the finished product battery diameter does not have the increase, has reduced the cost of transportation.
Description
Technical Field
The invention relates to the field of batteries, in particular to a cylindrical battery and a packaging method thereof.
Background
Lithium ion batteries have been widely used as an environmentally friendly secondary battery in the fields of portable devices such as mobile phones, video cameras, notebook computers, and the like. However, with the development of modern society, many portable devices are advancing toward intellectualization and multi-functionalization, and in order to meet the requirements of capacity and power and ensure sufficient service time, the power source of the portable devices is required to have higher energy density.
The existing cylindrical lithium ion battery is generally packaged by a thermoplastic tube, and the packaging method has the following problems: firstly, the diameter of the finished battery is increased, thereby causing increased transportation costs; and secondly, the anode and the cathode of the battery are not easy to distinguish, and the battery is easy to reversely mount during use and is not beneficial to use by a user.
Disclosure of Invention
In order to solve the problems that the diameter of a finished product battery is increased and the positive and negative electrodes are not easily distinguished by the conventional packaging method of the cylindrical lithium ion battery, the invention provides the cylindrical battery which does not need to increase the diameter of the finished product battery and is easily distinguished, and the packaging method thereof.
In order to achieve the above object, an aspect of the present invention provides a method of packaging a cylindrical battery, including:
sticking red Marla glue at the joint of the positive lug and the battery body along the extending direction of the positive lug;
folding and flattening the positive lug, and pasting a first tawny high-temperature adhesive at the joint of the positive lug and the battery body, which is perpendicular to the extending direction of the positive lug;
sticking black Mala glue on the joint of the negative electrode tab and the battery body along the extending direction of the negative electrode tab;
folding and flattening the negative electrode tab, and pasting second brown high-temperature glue perpendicular to the extending direction of the negative electrode tab at the joint of the negative electrode tab and the battery body;
cutting the exposed ends of the positive electrode lug and the negative electrode lug to required lengths;
and sticking third dark brown high-temperature glue on the two sealed side edges of the battery body.
Optionally, a brown high-temperature adhesive is pasted at the two sealed edges of the battery body, and the method further comprises the following steps: and flattening and attaching the two sealed side edges and the top sealed folding angle of the battery body.
Optionally, paste red maraca at the junction of anodal ear and battery body along anodal ear extending direction, still include before: and sealing the two end tops of the battery body on a corner folding machine.
Optionally, the widths of the red and black malar glue are 4 mm.
Optionally, the width of the first dark brown high-temperature adhesive is 4 mm.
Optionally, the width of the second dark brown high-temperature glue is 4 mm.
Optionally, the width of the third dark brown high-temperature adhesive is 8 mm.
On the other hand, the invention also provides a cylindrical battery which comprises a battery body, wherein both ends of the battery body are respectively provided with a positive tab and a negative tab, and red Marla glue is pasted at the joint of the positive tab and the battery body along the extending direction of the positive tab; a first tawny high-temperature glue is stuck at the joint of the positive lug and the battery body and is vertical to the extending direction of the positive lug; black Mala glue is pasted on the joint of the negative electrode tab and the battery body along the extending direction of the negative electrode tab; a second dark-brown high-temperature adhesive is stuck at the joint of the negative electrode tab and the battery body and is vertical to the extending direction of the negative electrode tab; and a third dark brown high-temperature adhesive is adhered to the two sealed side edges of the battery body.
In the above cylindrical battery, optionally, the widths of the red and black malar glue are 4 mm.
In the cylindrical battery, optionally, the width of the first dark brown high-temperature adhesive is 4 mm.
Compared with the prior art, the invention has the beneficial effects that: according to the packaging method of the cylindrical battery, the red Mala glue and the black Mala glue are respectively pasted on the positive electrode lug and the negative electrode lug, the packaging effect can be achieved, the positive electrode and the negative electrode can be easily distinguished, the production efficiency is effectively improved, in addition, compared with other ways such as thermoplastic tubes, the diameter of a finished battery is not increased, the occupied space is reduced, and therefore the transportation cost is reduced.
Drawings
FIG. 1 is a flow chart of a packaging method of the present invention;
FIG. 2 is a schematic view of pasting red Mala glue;
FIG. 3 is a schematic view of a first brown high temperature glue;
FIG. 4 is a schematic view of a sticker black Mara glue;
FIG. 5 is a schematic view of a second brown high temperature glue applied;
FIG. 6 is a schematic diagram of trimming a positive tab and a negative tab;
FIG. 7 is a schematic view of third brown high temperature glue;
fig. 8 is a structural view of a cylindrical battery in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.
Referring to fig. 1, an embodiment of the present invention provides a method for packaging a cylindrical battery, including the following steps:
s10: as shown in fig. 2, red mylar is pasted at the connection position of the positive tab and the battery body along the extending direction of the positive tab.
Red maraca is glued not only is used for carrying out preliminary fixed with anodal ear and battery body, also plays the effect of sign simultaneously, and the user sees red maraca and glues just to express this very anodal, and red maraca generally adopts 4mm wide, and this width not only can play the effect of packing, and the sign effect is obvious moreover.
Of course, before the red mylar is pasted, the two ends of the battery body are required to be sealed on a corner folding machine.
S20: as shown in fig. 3, the positive tab is folded and flattened, and a first dark brown high-temperature adhesive is adhered to the joint of the positive tab and the battery body and is perpendicular to the extending direction of the positive tab.
First tawny high temperature glue can select to paste around cylindrical battery round, also can select to paste partly, overlaps with foretell red maraca, not only plays fixed utmost point ear effect, high temperature resistant moreover. First tawny high temperature glue generally adopts 4mm wide, and this width can effectual fixed utmost point ear.
S30: as shown in fig. 4, black mylar is pasted at the connection position of the negative electrode tab and the battery body along the extending direction of the negative electrode tab.
Not only black maraca is glued and is used for carrying out preliminary fixed with anodal ear and battery body, also plays the effect of sign simultaneously, and the user sees black maraca and glues just to express this very negative pole, and black maraca generally adopts 4mm wide, and this width not only can play the effect of packing, and the sign effect is obvious moreover.
S40: as shown in fig. 5, the negative electrode tab is folded flat, and a second dark brown high-temperature adhesive is adhered to the joint of the negative electrode tab and the battery body, perpendicular to the extending direction of the positive electrode tab.
Similarly, the second tea-colored high-temperature glue can be selectively pasted around the cylindrical battery for a circle, and can also be selectively pasted with a part of the second tea-colored high-temperature glue to be overlapped with the black malar glue, so that the effect of fixing the lug is achieved, and the second tea-colored high-temperature glue is high-temperature resistant. The second dark brown high temperature glue generally adopts 4mm wide, and this width can effectual fixed utmost point ear.
S50: as shown in fig. 6, the exposed ends of the positive and negative electrode tabs are cut to a desired length.
S60: as shown in fig. 7, a third dark-brown high-temperature adhesive is adhered to two sealed side edges of the battery body.
Third tawny high temperature glue plays the fixed two banding effects of laminating, and its width is 8mm, of course, generally need carry out the plastic to the battery before pasting third tawny high temperature glue, mainly will two of battery body seal side and apex seal dog-ear department flatten the laminating for battery appearance size meets the requirements, has pasted third tawny high temperature glue and has expressed this cylindrical battery's packing end promptly.
According to the packaging method of the cylindrical battery, the red Mala glue and the black Mala glue are respectively pasted on the positive electrode lug and the negative electrode lug, the packaging effect can be achieved, the positive electrode and the negative electrode can be easily distinguished, the production efficiency is effectively improved, in addition, compared with other ways such as thermoplastic tubes, the diameter of a finished battery is not increased, the occupied space is reduced, and therefore the transportation cost is reduced.
In another embodiment, the invention provides a cylindrical battery, which is packaged by the packaging method, and the specific structure can be referred to fig. 8, the cylindrical battery includes a battery body 1, both ends of the battery body 1 are respectively provided with a positive tab 2 and a negative tab 3, and a red mylar tape 4 is pasted at the connection part of the positive tab 2 and the battery body 1 along the extending direction of the positive tab 2; a first tawny high-temperature glue 5 is stuck at the joint of the positive lug 2 and the battery body 1 and is vertical to the extending direction of the positive lug 2; black Mala glue 6 is pasted at the joint of the negative electrode tab 3 and the battery body 1 along the extending direction of the negative electrode tab 3; a second brown high-temperature adhesive 7 is adhered to the joint of the negative electrode tab 3 and the battery body 1 and is perpendicular to the extending direction of the negative electrode tab 3; and a third dark-brown high-temperature adhesive 8 is adhered to the two sealed side edges of the battery body 1. In addition, red maraca is glued 4 and black maraca and is glued 6's width and be 4mm, the width that first brown color high temperature glued 5 is 4mm, and the width that second brown color high temperature glued 7 is 4mm, the width that third brown color high temperature glued 8 is 8mm, and is the same, this cylindrical battery is glued and is glued with black maraca through pasting red maraca respectively in positive ear and negative pole ear punishment, not only can play the effect of packing and easily distinguish positive negative pole, effectively promote production efficiency, in addition, compare modes such as other cover thermoplastic pipe, finished product battery diameter does not have the increase, has reduced occupation space, thereby has reduced the cost of transportation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of packaging a cylindrical battery, comprising:
sticking red Marla glue at the joint of the positive lug and the battery body along the extending direction of the positive lug;
folding and flattening the positive lug, and pasting a first tawny high-temperature adhesive at the joint of the positive lug and the battery body, which is perpendicular to the extending direction of the positive lug;
sticking black Mala glue on the joint of the negative electrode tab and the battery body along the extending direction of the negative electrode tab;
folding and flattening the negative electrode tab, and pasting second brown high-temperature glue perpendicular to the extending direction of the negative electrode tab at the joint of the negative electrode tab and the battery body;
cutting the exposed ends of the positive electrode lug and the negative electrode lug to required lengths;
and sticking third dark brown high-temperature glue on the two sealed side edges of the battery body.
2. The packaging method according to claim 1, wherein the step of adhering the brown high-temperature adhesive to the two sealed edges of the battery body further comprises the following steps:
and flattening and attaching the two sealed side edges and the top sealed folding angle of the battery body.
3. The packaging method according to claim 1, wherein red mylar is pasted at the joint of the positive tab and the battery body along the extending direction of the positive tab, and the method further comprises the following steps:
and sealing the two end tops of the battery body on a corner folding machine.
4. The packaging method according to claim 1, wherein: the width of the red Mala gum and the black Mala gum is 4 mm.
5. The packaging method according to claim 1 or 4, wherein: the width of the first dark brown high-temperature adhesive is 4 mm.
6. The packaging method according to claim 5, wherein: the width of the second dark brown high-temperature glue is 4 mm.
7. The packaging method according to claim 5, wherein: the width of the third dark brown high-temperature glue is 8 mm.
8. The utility model provides a cylindrical battery, includes battery body, battery body's both ends are provided with anodal ear and negative pole ear, its characterized in that respectively: red Marla glue is stuck at the joint of the positive lug and the battery body along the extending direction of the positive lug; a first tawny high-temperature glue is stuck at the joint of the positive lug and the battery body and is vertical to the extending direction of the positive lug; black Mala glue is pasted on the joint of the negative electrode tab and the battery body along the extending direction of the negative electrode tab; a second dark-brown high-temperature adhesive is stuck at the joint of the negative electrode tab and the battery body and is vertical to the extending direction of the negative electrode tab; and a third dark brown high-temperature adhesive is adhered to the two sealed side edges of the battery body.
9. The cylindrical battery according to claim 8, wherein: the width of the red and black Mala gum is 4 mm.
10. The cylindrical battery according to claim 8, wherein: the width of the first dark brown high-temperature adhesive is 4 mm.
Priority Applications (1)
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CN202010924555.0A CN112018452A (en) | 2020-09-05 | 2020-09-05 | Cylindrical battery and packaging method thereof |
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CN202010924555.0A CN112018452A (en) | 2020-09-05 | 2020-09-05 | Cylindrical battery and packaging method thereof |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110293977A1 (en) * | 2008-12-19 | 2011-12-01 | Lg Chem Ltd | High-power lithium secondary battery |
CN104332646A (en) * | 2014-10-17 | 2015-02-04 | 金川集团股份有限公司 | Plastic-aluminum film packed cylindrical lithium ion battery and making method thereof |
CN204204932U (en) * | 2014-10-22 | 2015-03-11 | 广州市融成锂能锂电池有限公司 | A kind of electronic cigarette lithium ion battery with new packing structure |
KR20160021514A (en) * | 2014-08-18 | 2016-02-26 | 주식회사 엘지화학 | Jelly-Roll Type Electrode Assembly of Improved Stability and Battery Cell Comprising the Same |
CN205388994U (en) * | 2016-03-18 | 2016-07-20 | 中山市众旺德新能源科技有限公司 | Cylinder power lithium ion battery |
CN205508954U (en) * | 2016-03-28 | 2016-08-24 | 珠海汉格能源科技有限公司 | Cylindrical lithium cell structure |
CN207009572U (en) * | 2017-08-01 | 2018-02-13 | 天津市捷威动力工业有限公司 | The flanging and angle seal structure of soft package lithium battery |
CN108598558A (en) * | 2018-05-23 | 2018-09-28 | 易佰特新能源科技有限公司 | A kind of lithium ion cell polar ear shaping, sticking method |
-
2020
- 2020-09-05 CN CN202010924555.0A patent/CN112018452A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110293977A1 (en) * | 2008-12-19 | 2011-12-01 | Lg Chem Ltd | High-power lithium secondary battery |
KR20160021514A (en) * | 2014-08-18 | 2016-02-26 | 주식회사 엘지화학 | Jelly-Roll Type Electrode Assembly of Improved Stability and Battery Cell Comprising the Same |
CN104332646A (en) * | 2014-10-17 | 2015-02-04 | 金川集团股份有限公司 | Plastic-aluminum film packed cylindrical lithium ion battery and making method thereof |
CN204204932U (en) * | 2014-10-22 | 2015-03-11 | 广州市融成锂能锂电池有限公司 | A kind of electronic cigarette lithium ion battery with new packing structure |
CN205388994U (en) * | 2016-03-18 | 2016-07-20 | 中山市众旺德新能源科技有限公司 | Cylinder power lithium ion battery |
CN205508954U (en) * | 2016-03-28 | 2016-08-24 | 珠海汉格能源科技有限公司 | Cylindrical lithium cell structure |
CN207009572U (en) * | 2017-08-01 | 2018-02-13 | 天津市捷威动力工业有限公司 | The flanging and angle seal structure of soft package lithium battery |
CN108598558A (en) * | 2018-05-23 | 2018-09-28 | 易佰特新能源科技有限公司 | A kind of lithium ion cell polar ear shaping, sticking method |
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