CN201689941U - Cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in same direction - Google Patents

Cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in same direction Download PDF

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Publication number
CN201689941U
CN201689941U CN2010202228804U CN201020222880U CN201689941U CN 201689941 U CN201689941 U CN 201689941U CN 2010202228804 U CN2010202228804 U CN 2010202228804U CN 201020222880 U CN201020222880 U CN 201020222880U CN 201689941 U CN201689941 U CN 201689941U
Authority
CN
China
Prior art keywords
lithium ion
positive
cylindrical aluminum
ion battery
aluminum hull
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010202228804U
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Chinese (zh)
Inventor
顾慧军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN DELTA NEW ENERGY TECHNOLOGY Ltd
Original Assignee
DONGGUAN DELTA NEW ENERGY TECHNOLOGY Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DONGGUAN DELTA NEW ENERGY TECHNOLOGY Ltd filed Critical DONGGUAN DELTA NEW ENERGY TECHNOLOGY Ltd
Priority to CN2010202228804U priority Critical patent/CN201689941U/en
Application granted granted Critical
Publication of CN201689941U publication Critical patent/CN201689941U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in the same direction, which comprises a lithium ion battery core. The lithium ion battery core is mounted in a cylindrical aluminum casing, and positive and negative guide pins connected with the positive and negative electrodes are led out via an end cover or rubber plug, or are led from the same direction of the end cover to be respectively riveted with positive and negative electrode lugs. The lithium ion battery core is sealed in the cylindrical aluminum casing through a sealing belt and waisting belt which are in rolling molding, and an anti-explosion press mark is arranged on the plane of the bottom of the cylindrical aluminum casing. The cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in the same direction is simple in structure and high in safety. The cylindrical aluminum casing is adopted to package the lithium ion battery core, the positive and negative guide pins are led out via the end cover plate or rubber plug so as to bring convenience for connecting the lithium ion battery with different electric appliances in series or parallel, and the bottom of the aluminum casing is provided with the anti-explosion press mark, thereby effectively releasing gas generated by the lithium ion battery under different conditions, and preventing explosion caused by the fact that the gas is not discharged in time.

Description

A kind of cylindrical aluminum hull is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing
Technical field
The utility model relates to technical field of lithium ion, relates to a kind of lithium ion battery structure, is specifically related to that a kind of cylindrical aluminum hull is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing.
Background technology
Existing cylinder type lithium battery, hard housing materials such as general employing stainless steel, because lithium battery is taking place damagedly to leak, overcharges, can produce gas under the high-temperature condition, therefore for preventing that the untimely release of gas from setting off an explosion, common head at positive pole has leakage port.The head that common cylinder type lithium battery goes out with a distal process is a positive pole, the planar base shell of the other end is a negative pole, the modes of serial connection that adopt provide big capacity, powerful voltage and current charger to use more during use, as adopting the mode of connect in parallel, the battery case that also needs to put into to the setting that is connected in parallel just can use, relatively trouble is difficult to satisfy the instructions for use of the different occasions of connection in series-parallel.
Summary of the invention
The purpose of this utility model provides a kind of employing rolling enclosuring structure with a tight waist, be suitable for making things convenient for the positive and negative electrodes in same of connection in series-parallel use to the column lithium ion battery of drawing in different occasions, and be provided with disappointing impression at outer casing bottom, solved the problems referred to above that existing column lithium ion battery exists.
The technical scheme that the utility model adopted is, a kind of cylindrical aluminum hull is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, comprise core of lithium ion cell, described core of lithium ion cell is loaded in the cylindrical aluminum hull, the positive guide pin that both positive and negative polarity connects, negative guide pin are drawn by end cap, described core of lithium ion cell is sealed in the cylindrical aluminum hull by the Sealing strap and the waistband of rolling moulding, is provided with explosion-proof impression in cylindrical aluminum hull base plane.
A kind of cylindrical aluminum hull described in the utility model is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, and its feature also is,
Positive guide pin that described both positive and negative polarity connects and negative guide pin or draw in the same way respectively and anode ear, negative electrode lug riveted joint by end cap.
Described cylindrical aluminum hull top encapsulates end cap or is rubber stopper.
Described cylindrical aluminum hull base plane is provided with explosion-proof impression and is " X " shape, or is " Y " shape.
The cylindrical aluminum hull of the utility model is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, simple in structure, easy to use, safe.Adopt cylindrical aluminum hull packing core of lithium ion cell, and draw the both positive and negative polarity guide pin in the same way through end casing, and made things convenient for lithium ion battery when using different electrical equipment, to insert in the serial or parallel connection mode, cylindrical aluminum hull adopts roll with a tight waist and rolling enclosuring structure, the production efficiency height, package quality is reliable; The explosion-proof impression that aluminum hull bottom is provided with has discharged lithium ion battery effectively and produced gas under different situations, has prevented the untimely drainage of gas and the blast that causes takes place.
Description of drawings
To be that the cylindrical aluminum hull of the utility model is with a tight waist seal positive and negative electrodes in same to the lithium ion battery structure schematic diagram of drawing to Fig. 1;
Fig. 2 is the structural representation of the utility model guide pin riveted joint anode ear, negative electrode lug;
Fig. 3 a and Fig. 3 b are the explosion-proof impression structural representations in the utility model cylindrical aluminum hull bottom.
Among the figure, 1. core of lithium ion cell, 2. cylindrical aluminum hull, 3. end cap, 4. positive guide pin, 5. negative guide pin, 6. explosion-proof impression, 7. Sealing strap, 8. waistband, 9. rubber stopper, 10. anode ear, 11. negative electrode lugs.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
A kind of cylindrical aluminum hull is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, as depicted in figs. 1 and 2, comprise core of lithium ion cell 1, described core of lithium ion cell 1 is loaded in the cylindrical aluminum hull 2, the positive guide pin 4 that both positive and negative polarity connects, negative guide pin 5 are drawn by end cap 3, described core of lithium ion cell 1 is sealed in the cylindrical aluminum hull 2 by the Sealing strap 7 and the waistband 8 of rolling moulding, is provided with explosion-proof impression 6 in cylindrical aluminum hull 2 base plane; Positive guide pin 4 that described both positive and negative polarity connects and negative guide pin 5 or draw in the same way respectively and anode ear 10, negative electrode lug 11 riveted joints by end cap 3, described cylindrical aluminum hull 2 tops encapsulation end cap 3 or be rubber stopper 9.
Shown in Fig. 3 a and Fig. 3 b, cylindrical aluminum hull 2 base plane are provided with explosion-proof impression and are " X " shape, or are " Y " shape.
The utility model adopts cylindrical aluminum hull 2 packing core of lithium ion cell 1, and draw positive and negative guide pin 4,5 in the same way through end cap 3 or rubber stopper 9, the cylindrical aluminum hull that adopts the rolling closing device to seal to mold rolling Sealing strap 7 and waistband 8 is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, it is simple in structure, the production efficiency height, package quality is reliable.
In lithium ion battery manufacturing process, at first with the core of lithium ion cell 1 positive and negative guide pin 4 of winding, 5 are passed by end cap 3 or rubber stopper 9, or with positive and negative guide pin 4,5 with positive and negative lug 10,11 are riveted on the end cap 3, and then the core of lithium ion cell 1 that will have end cap 3 or rubber stopper 9 is packed in the cylindrical aluminum hull 2, again the cylindrical aluminum hull 2 that core of lithium ion cell 1 is housed is sealed through the rolling closing device with end cap 3 or rubber stopper 9 at last, and roll at cylindrical aluminum hull 2 ports and to mold Sealing strap 7 and waistband 8, finish the processing and fabricating of the utility model lithium ion battery.
The cylindrical aluminum hull of the utility model is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, access way when lithium ion battery being used at different electrical equipment, the positive and negative lug 10,11 of positive and negative guide pin 4,5 of being drawn in the same way by end cap 3 or rubber stopper 9 or riveted joint can be connected in series or parallel with electric appliance circuits easily, uses so that big capacity, high-power and high-tension lithium ion battery charger to be provided.
The explosion-proof impression 6 that cylindrical aluminum hull 2 bottoms are provided with, explosion-proof impression 6 is " X " shape, or be " Y " shape, or other can be used for explosion-proof impression shape, when lithium ion battery in use occurs damaged leaking, overcharges, high-temperature condition down and the gas of generation, can in time obtain by the leakage port place of explosion-proof impression 6 discharging, prevent that lithium ion battery from setting off an explosion, improve the security reliability that the utility model lithium ion battery uses.
Above-mentioned execution mode is an example of the present utility model; not enforcement and the interest field that is used for limiting utility model; all equivalences of making according to the described content of the utility model patent protection scope change and modify, and all should be included in the utility model claim.

Claims (4)

1. a cylindrical aluminum hull is girdled the waist and is sealed positive and negative electrodes in same to the lithium ion battery of drawing, comprise core of lithium ion cell (1), it is characterized in that, described core of lithium ion cell (1) is loaded in the cylindrical aluminum hull (2), the positive guide pin (4) that both positive and negative polarity connects, negative guide pin (5) are drawn by end cap (3), described core of lithium ion cell (1) is sealed in the cylindrical aluminum hull (2) by the Sealing strap (7) and the waistband (8) of rolling moulding, is provided with explosion-proof impression (6) in cylindrical aluminum hull (2) base plane.
2. a kind of cylindrical aluminum hull according to claim 1 is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, it is characterized in that positive guide pin (4) that described both positive and negative polarity connects and negative guide pin (5) or draw in the same way respectively by end cap (3) and to rivet with anode ear (10), negative electrode lug (11).
3. a kind of cylindrical aluminum hull according to claim 1 and 2 is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, and it is characterized in that described cylindrical aluminum hull (2) top encapsulates end cap (3) or is rubber stopper (9).
4. a kind of cylindrical aluminum hull according to claim 1 is with a tight waist to seal positive and negative electrodes in same to the lithium ion battery of drawing, and it is characterized in that, described cylindrical aluminum hull (2) base plane is provided with explosion-proof impression and is " X " shape, or is " Y " shape.
CN2010202228804U 2010-06-11 2010-06-11 Cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in same direction Expired - Lifetime CN201689941U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202228804U CN201689941U (en) 2010-06-11 2010-06-11 Cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in same direction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202228804U CN201689941U (en) 2010-06-11 2010-06-11 Cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in same direction

Publications (1)

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CN201689941U true CN201689941U (en) 2010-12-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101847756A (en) * 2010-06-11 2010-09-29 东莞市德而泰新能源科技有限公司 Girdled and sealed lithium ion battery with lead-out anode and cathode along same direction in cylindrical aluminum shell
CN103618051A (en) * 2013-11-18 2014-03-05 惠州市恒泰科技有限公司 Cylindrical lithium battery with anode and cathode in same direction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101847756A (en) * 2010-06-11 2010-09-29 东莞市德而泰新能源科技有限公司 Girdled and sealed lithium ion battery with lead-out anode and cathode along same direction in cylindrical aluminum shell
WO2011153789A1 (en) * 2010-06-11 2011-12-15 东莞市德而泰新能源科技有限公司 Lithium ion battery girdled and sealed in alumnium case with positive tab and negative tab fetched out in the same direction
CN101847756B (en) * 2010-06-11 2012-01-04 东莞市德而泰新能源科技有限公司 Girdled and sealed lithium ion battery with lead-out anode and cathode along same direction in cylindrical aluminum shell
CN103618051A (en) * 2013-11-18 2014-03-05 惠州市恒泰科技有限公司 Cylindrical lithium battery with anode and cathode in same direction

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20101229

Effective date of abandoning: 20120104