CN205303542U - Low high anti vibration lithium ion battery of internal resistance - Google Patents
Low high anti vibration lithium ion battery of internal resistance Download PDFInfo
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- CN205303542U CN205303542U CN201521053909.XU CN201521053909U CN205303542U CN 205303542 U CN205303542 U CN 205303542U CN 201521053909 U CN201521053909 U CN 201521053909U CN 205303542 U CN205303542 U CN 205303542U
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- negative pole
- lithium
- cover plate
- electric core
- negative
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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
- 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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Abstract
The utility model discloses a low high anti vibration lithium ion battery of internal resistance, its characterized in that: including lithium battery case, lithium ion cell, negative pole converge set, retainer plate and positive negative -electrode cover board, lithium ion cell arranges in the lithium battery case, the negative pole set upper end of converging is arranged in to the retainer plate, two upper and lower terminal surfaces of lithium battery case are arranged respectively in to anodal apron and negative -electrode cover board, still be equipped with the electrode contact terminal on the positive negative -electrode cover board respectively. The utility model has the advantages of: the utility model discloses simple structure, negative -electrode cover board contact retainer plate, the retainer plate contact negative pole dish that converges, the negative pole set contact electricity core negative pole that converges, electric core positive contact bottom, whole height and the inside effective height of casing unanimously, be fixed in the casing with electric core in, the vibration resistance of improvement battery, the anodal direct and casing welding of electric core has simultaneously reduced the intermediate junction step, has reduced internal resistance and manufacturing cost.
Description
Technical field
This utility model belongs to lithium battery field of general technology, is specifically related to a kind of low internal resistance height antivibration lithium ion battery.
Background technology
Along with developing rapidly of electric automobile industry, the demand of high performance lithium ion battery is also more and more higher. Electric automobile requires that in running battery specific power is high, battery-heating amount is little, simultaneously automobile run in running jolt, the situation such as collision time, requirement battery performance remains stable for, inside battery battery core will not cause with axial impact or strenuous exercise that the internal resistance of cell becomes big, and capacity diminishes the problems such as even short circuit.
Utility model content
The purpose of this utility model is in that for the deficiencies in the prior art, now provides a kind of low internal resistance height antivibration lithium ion battery.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of low internal resistance height antivibration lithium ion battery, its innovative point is in that: include lithium battery casing, lithium-ion electric core, negative pole conflux disk, ring for fixing and both positive and negative polarity cover plate, described lithium-ion electric core is placed in lithium battery case body, described ring for fixing is placed in negative pole conflux disk upper end, described positive pole cover plate and negative pole cover plate are respectively placed in two end faces up and down of lithium battery casing, and described both positive and negative polarity cover plate further respectively has contact terminal.
Further, described housing offers placed cavity, lower placed cavity and cavity interlayer, described cavity interlayer is provided with a liquid injection hole, lithium-ion electric core, negative pole conflux disk, ring for fixing and negative pole cover plate once it is connected to from the bottom to top in described upper placed cavity, described positive pole cover plate is placed on lower placed cavity, it is hermetically connected with the shell, described positive pole cover plate is additionally provided with explosion-proof valve.
Further, described negative pole cover plate is connected with lithium battery casing top, positive pole cover plate is connected with lithium battery casing bottom, the ring for fixing of described collector upper end is placed between negative pole cover plate and negative pole conflux disk, collector is connected with lithium-ion electric core negative pole, and described lithium-ion electric core positive pole is connected with lithium battery casing bottom.
Further, connection sealing means between described negative pole cover plate and lithium battery casing is that laser welds continuously, the mode taking laser to weld continuously between described positive pole cover plate and lithium battery casing is attached, the mode taking laser to weld continuously between described negative pole conflux disk and lithium-ion electric core negative pole is attached, and the mode taking laser to weld continuously between described lithium-ion electric core positive pole and lithium battery casing bottom is attached.
The beneficial effects of the utility model are as follows: this utility model simple in construction, negative pole cover plate contact ring for fixing, ring for fixing contact negative pole conflux disk, negative pole conflux disk contact battery core negative pole, at the bottom of battery core positive contact shell, whole height is consistent with enclosure interior effective depth, is fixed in housing by battery core, improves the vibration resistance of battery; Simultaneously battery core positive pole is directly and case weld, decreases middle Connection Step, reduces internal resistance and production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Being illustrated in figure 1 structural representation of the present utility model, a kind of low internal resistance, high antivibration lithium battery, it includes negative pole cover plate 1, ring for fixing 2, negative pole conflux disk 3, battery core 4, housing 5, positive pole cover plate 6. Described housing has placed cavity 7 and lower placed cavity 8 and cavity interlayer 9, cavity interlayer is provided with liquid injection hole 10, battery core 4, negative pole conflux disk 3, ring for fixing 2, negative pole cover plate 1 it is connected with from the bottom to top in turn in described upper placed cavity, described negative pole cover plate 1 is connected with negative pole conflux disk 3, ring for fixing 2 is placed between negative pole cover plate and negative pole conflux disk, negative pole conflux disk 3 is connected with battery core 4, and battery core 4 is connected with cavity interlayer 9; The upper placed cavity 7 of negative pole cover plate 1 press-in, sealed by the continuous welding manner of laser and housing 5, after liquid injection hole 10 fluid injection, positive pole cover plate 6 is placed in lower placed cavity 8, being sealed by the continuous welding manner of laser and housing 5, described positive pole cover plate 6 is provided with explosion-proof valve 11.
The positive and negative lug of battery core 4 is full lug so that the bonding area of lug maximizes, and welding is more firm, thus reducing the internal resistance of battery. After the full lug shaping of battery core 4 of winding, battery core 4 one end is connected by laser weld with negative pole conflux disk 3, it is placed on housing in placed cavity 7, ring for fixing 2 is placed on negative pole conflux disk 3, press negative pole cover plate 1, battery core 4 other end is connected by laser weld mode with cavity interlayer 9, negative pole cover plate 1 and housing 5 are sealed by laser weld mode, after sealing, battery entrance next procedure carries out fluid injection, finally positive pole cover plate 6 is placed under aluminum hull and places intracavity 8, positive pole cover plate 6 and housing 5 are sealed by laser weld mode.
This utility model simple in construction, negative pole cover plate 1 contacts ring for fixing 2, and ring for fixing 2 contacts negative pole conflux disk 3, negative pole conflux disk 3 contacts battery core 4 negative pole, and at the bottom of battery core 4 positive contact shell, whole height is consistent with the internal effective depth of housing 5, battery core 4 is fixed in housing 5, improves the vibration resistance of battery; Battery core 4 positive pole directly welds with housing 5 simultaneously, decreases middle Connection Step, reduces internal resistance and production cost.
Above-described embodiment is preferred embodiment of the present utility model; it it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, be regarded as falling within the scope of the rights protection of this utility model patent.
Claims (4)
1. one kind low internal resistance height antivibration lithium ion battery, it is characterized in that: include lithium battery casing, lithium-ion electric core, negative pole conflux disk, ring for fixing and both positive and negative polarity cover plate, described lithium-ion electric core is placed in lithium battery case body, described ring for fixing is placed in negative pole conflux disk upper end, described positive pole cover plate and negative pole cover plate are respectively placed in two end faces up and down of lithium battery casing, and described both positive and negative polarity cover plate further respectively has contact terminal.
2. one according to claim 1 low internal resistance height antivibration lithium ion battery, it is characterized in that: described housing offers placed cavity, lower placed cavity and cavity interlayer, described cavity interlayer is provided with a liquid injection hole, lithium-ion electric core, negative pole conflux disk, ring for fixing and negative pole cover plate once it is connected to from the bottom to top in described upper placed cavity, described positive pole cover plate is placed on lower placed cavity, it is hermetically connected with the shell, described positive pole cover plate is additionally provided with explosion-proof valve.
3. one according to claim 1 low internal resistance height antivibration lithium ion battery, it is characterized in that: described negative pole cover plate is connected with lithium battery casing top, positive pole cover plate is connected with lithium battery casing bottom, the ring for fixing of described collector upper end is placed between negative pole cover plate and negative pole conflux disk, collector is connected with lithium-ion electric core negative pole, and described lithium-ion electric core positive pole is connected with lithium battery casing bottom.
4. one according to claim 1 low internal resistance height antivibration lithium ion battery, it is characterized in that: the connection sealing means between described negative pole cover plate and lithium battery casing is that laser welds continuously, the mode taking laser to weld continuously between described positive pole cover plate and lithium battery casing is attached, the mode taking laser to weld continuously between described negative pole conflux disk and lithium-ion electric core negative pole is attached, and the mode taking laser to weld continuously between described lithium-ion electric core positive pole and lithium battery casing bottom is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521053909.XU CN205303542U (en) | 2015-12-17 | 2015-12-17 | Low high anti vibration lithium ion battery of internal resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521053909.XU CN205303542U (en) | 2015-12-17 | 2015-12-17 | Low high anti vibration lithium ion battery of internal resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303542U true CN205303542U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521053909.XU Active CN205303542U (en) | 2015-12-17 | 2015-12-17 | Low high anti vibration lithium ion battery of internal resistance |
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| Country | Link |
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| CN (1) | CN205303542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428566A (en) * | 2015-12-17 | 2016-03-23 | 中天储能科技有限公司 | Lithium ion battery with low internal resistance and high shock resistance |
-
2015
- 2015-12-17 CN CN201521053909.XU patent/CN205303542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428566A (en) * | 2015-12-17 | 2016-03-23 | 中天储能科技有限公司 | Lithium ion battery with low internal resistance and high shock resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170601 Address after: 226463 Zhongtian village, Hekou Town, Rudong County, Jiangsu Patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Address before: Hongxing economic and Technological Development Zone, Jiangsu province Nantong City Road 226000 No. 36 Patentee before: ZHONGTIAN ENERGY STORAGE TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170713 Address after: Hongxing economic and Technological Development Zone, Jiangsu province Nantong City Road 226000 No. 36 Co-patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Patentee after: ZHONGTIAN ENERGY STORAGE TECHNOLOGY CO., LTD. Address before: 226463 Zhongtian village, Hekou Town, Rudong County, Jiangsu Patentee before: Zhongtian Science and Technology Co., Ltd., Jiangsu |