CN206976447U - A kind of new-energy automobile lithium battery group - Google Patents
A kind of new-energy automobile lithium battery group Download PDFInfo
- Publication number
- CN206976447U CN206976447U CN201720844098.8U CN201720844098U CN206976447U CN 206976447 U CN206976447 U CN 206976447U CN 201720844098 U CN201720844098 U CN 201720844098U CN 206976447 U CN206976447 U CN 206976447U
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- Prior art keywords
- lithium battery
- negative
- positive
- lower house
- bus
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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
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- Connection Of Batteries Or Terminals (AREA)
Abstract
A kind of new-energy automobile lithium battery group, belongs to technical field of lithium batteries.The utility model is by setting some lattice blocks, housing region is divided into multiple receiving subregions, and lithium battery monomer is correspondingly arranged in each receiving subregion, when one of lithium battery monomer breaks down, it can then correspond to and change lithium battery monomer, it is easy to replace and maintain.By setting some ventilation slots on lower house, it is easy to lithium battery single body radiating.Both positive and negative polarity lug is connected by way of revolving riveting with bus-bar simultaneously, and connection reliability is high, avoids due to welding slag short circuit problem caused by traditional welding.
Description
Technical field
The utility model belongs to technical field of lithium batteries, is specifically related to a kind of new-energy automobile lithium battery group.
Background technology
Lithium battery is a kind of using lithium metal or lithium alloy as negative material, uses the battery of non-aqueous electrolytic solution.At present,
New-energy automobile technology is ripe day by day, and Development of HEV Technology also tends to be perfect, and wherein electrokinetic cell is various electric automobiles
Main energetic carrier and power resources, and the chief component of electric vehicle.Electric automobile more using lithium battery group to
Automobile provides power, to improve the energy density of li battery shell, generally requires to install multiple lithiums in a lithium battery group shell
Battery cell, and spot welding or ultrasonic bonding are often used in the prior art, between multiple lithium battery monomers so that lithium battery
Group is changed and inconvenient maintenance, and because lithium battery monomer easily generates heat, such as can not in time radiate, potential safety hazard be present.Meanwhile pass
System lithium battery monomer, positive plate one end will reserve lug position, be welded with anode ear, and the area for so allowing for anode ear reduces,
So as to influence the capacity of lithium battery, and there is scaling-off risk in welding, easily cause the short circuit of battery.
The content of the invention
The utility model is mainly to solve the technical problem present in above-mentioned prior art, there is provided a kind of new-energy automobile lithium
Battery pack.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：A kind of new energy vapour
Car lithium battery group, including shell, connector and some lithium battery monomers, the shell are made up of upper shell and lower house, upper casing
The cross section of body and lower house is rectangular, and the upper shell and lower house cover to form housing region, before and after the lower house
The outside of side wall is provided with some ventilation slots, and the inner side of the lower house front-rear side walls is provided with some lattice blocks, the lattice block position
Multiple receiving subregions are divided between two neighboring ventilation slot, and by housing region, each lithium battery monomer is corresponding
Each receiving subregion is arranged at, the lithium battery monomer is converged by battery case, battery core unit, positive bus and negative pole
Stream row is formed, and the battery core unit is made up of positive plate, barrier film, negative plate laminated structure, and the battery case is provided with positive pole
Post and negative terminal, the positive terminal are connected with positive bus, and the negative terminal is connected with negative bus-bar, the positive pole
Piece is provided with positive pole ear, and the positive pole ear is connected with positive bus by revolving riveting, and the negative plate is provided with negative pole pole
Ear, the negative lug are connected with negative bus-bar by revolving riveting, pass through connection sheet between the two neighboring lithium battery monomer
Connection, i.e., the positive pole of one lithium battery monomer is connected by connection sheet with the negative pole of another lithium battery monomer, described to be located at
Lithium battery monomer on the left of shell is provided with first electrode post, and the lithium battery monomer on the right side of shell is provided with the second electricity
Pole, the upper shell is provided with two through holes, when upper shell is covered with lower house, first electrode post and second electrode post point
Chuan Guo not the through hole.
Preferably, the positive plate includes aluminium foil, it is coated with by LiFePO4,1-METHYLPYRROLIDONE, leads on aluminium foil
Slurry made of electric agent, binding agent, positive pole coating is formed after slurry drying.
Preferably, the negative plate includes copper foil, it is coated with copper foil made of graphite, water, conductive agent, binding agent
Slurry, negative pole coating is formed after slurry drying.
The utility model has the advantage that：The utility model is split housing region by setting some lattice blocks
It is correspondingly arranged in into multiple receiving subregions, and by lithium battery monomer in each receiving subregion, when one of lithium battery list
When body breaks down, then it can correspond to and change lithium battery monomer, it is easy to replace and maintain.By setting some ventilations on lower house
Groove, it is easy to lithium battery single body radiating.Both positive and negative polarity lug is connected by way of revolving riveting with bus-bar simultaneously, and connection reliability is high,
Avoid due to welding slag short circuit problem caused by traditional welding.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is a kind of schematic top plan view of the utility model lower house；
Fig. 3 is a kind of structural representation of the utility model lithium battery monomer；
Fig. 4 is a kind of structural representation at the utility model lug riveting.
In figure：1st, upper shell；2nd, connector；3rd, lithium battery monomer；4th, lower house；5th, ventilation slot；6th, lattice block；7th, battery
Shell；8th, positive bus；9th, negative bus-bar；10th, battery core unit；11st, positive plate；12nd, barrier film；13rd, negative plate；14th, just
Pole；15th, negative terminal；16th, positive pole ear；17th, negative lug；18th, first electrode post；19th, second electrode post；20th, through hole.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：A kind of new-energy automobile lithium battery group, as Figure 1-4, including shell, connector and some lithium batteries
Monomer, the shell are made up of upper shell and lower house, and the cross section of upper shell and lower house is rectangular, the upper shell and
Lower house covers to form housing region, and the outsides of the lower house front-rear side walls is provided with some ventilation slots, before and after the lower house
The inner side of side wall is provided with some lattice blocks, and the lattice block is divided between two neighboring ventilation slot, and by housing region
Multiple receiving subregions, each lithium battery monomer are correspondingly arranged in each receiving subregion, the lithium battery monomer
It is made up of battery case, battery core unit, positive bus and negative bus-bar, the battery core unit is by positive plate, barrier film, negative pole
Piece laminated structure forms, and the battery case is provided with positive terminal and negative terminal, and the positive terminal is connected with positive bus,
The negative terminal is connected with negative bus-bar, and the positive plate is provided with positive pole ear, and the positive pole ear confluxes with positive pole
Row is connected by revolving riveting, and the negative plate is provided with negative lug, and the negative lug is connected with negative bus-bar by revolving riveting,
Connected between the two neighboring lithium battery monomer by connection sheet, i.e., the positive pole of one lithium battery monomer by connection sheet with it is another
The negative pole of one lithium battery monomer is connected, and the lithium battery monomer on the left of shell is provided with first electrode post, described
Lithium battery monomer on the right side of shell is provided with second electrode post, and the upper shell is provided with two through holes, works as upper case cover
When closing with lower house, first electrode post and second electrode post are each passed through the through hole, and the positive plate includes aluminium foil, on aluminium foil
The slurry made of LiFePO4,1-METHYLPYRROLIDONE, conductive agent, binding agent is coated with, forming positive pole after slurry drying applies
Layer, the negative plate include copper foil, and the slurry made of graphite, water, conductive agent, binding agent, slurry drying are coated with copper foil
Negative pole coating is formed afterwards.
The utility model is divided into multiple receiving subregions by setting some lattice blocks, by housing region, and lithium is electric
Pond monomer is correspondingly arranged in each receiving subregion, when one of lithium battery monomer breaks down, then can be corresponded to and be changed
Lithium battery monomer, it is easy to replace and maintain.By setting some ventilation slots on lower house, it is easy to lithium battery single body radiating.Together
When both positive and negative polarity lug be connected by way of revolving riveting with bus-bar, connection reliability is high, avoids due to weldering caused by traditional welding
Slag short circuit problem.
Finally it is pointed out that above example is only the more representational example of the utility model.Obviously, this practicality is new
Type is not limited to above-described embodiment, can also there is many deformations.Every foundation the technical essence of the utility model is to above example
Any simple modification, equivalent change and modification made, it is considered as belonging to the scope of protection of the utility model.
Claims (3)
1. a kind of new-energy automobile lithium battery group, including shell, connector and some lithium battery monomers, it is characterised in that described outer
Shell is made up of upper shell and lower house, and the cross section of upper shell and lower house is rectangular, and the upper shell and lower house cover
Housing region is formed, the outside of the lower house front-rear side walls is provided with some ventilation slots, the inner side of the lower house front-rear side walls
Provided with some lattice blocks, the lattice block is divided into multiple receiving between two neighboring ventilation slot, and by housing region
Region, each lithium battery monomer are correspondingly arranged in each receiving subregion, the lithium battery monomer by battery case,
Battery core unit, positive bus and negative bus-bar are formed, and the battery core unit is by positive plate, barrier film, negative plate laminated structure
Composition, the battery case are provided with positive terminal and negative terminal, and the positive terminal is connected with positive bus, the negative terminal
It is connected with negative bus-bar, the positive plate is provided with positive pole ear, and the positive pole ear is with positive bus by revolving riveting
Connection, the negative plate are provided with negative lug, and the negative lug is connected with negative bus-bar by revolving riveting, and described adjacent two
Connected between individual lithium battery monomer by connection sheet, i.e., the positive pole of one lithium battery monomer passes through connection sheet and another lithium battery
The negative pole of monomer is connected, and the lithium battery monomer on the left of shell is provided with first electrode post, described right positioned at shell
The lithium battery monomer of side is provided with second electrode post, and the upper shell is provided with two through holes, when upper shell covers and lower house
When, first electrode post and second electrode post are each passed through the through hole.
A kind of 2. new-energy automobile lithium battery group according to claim 1, it is characterised in that the positive plate includes aluminium foil,
Aluminium foil is provided with positive pole coating.
A kind of 3. new-energy automobile lithium battery group according to claim 1, it is characterised in that the negative plate includes copper foil,
Copper foil is provided with negative pole coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844098.8U CN206976447U (en) | 2017-07-12 | 2017-07-12 | A kind of new-energy automobile lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844098.8U CN206976447U (en) | 2017-07-12 | 2017-07-12 | A kind of new-energy automobile lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976447U true CN206976447U (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720844098.8U Expired - Fee Related CN206976447U (en) | 2017-07-12 | 2017-07-12 | A kind of new-energy automobile lithium battery group |
Country Status (1)
| Country | Link |
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| CN (1) | CN206976447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065774A (en) * | 2018-07-09 | 2018-12-21 | 深圳市诚思品科技有限公司 | A kind of lithium battery mould group |
| CN115312979A (en) * | 2021-05-06 | 2022-11-08 | 保时捷股份公司 | Functionally integrated separator, battery cell including the same, and method of manufacturing the same |
-
2017
- 2017-07-12 CN CN201720844098.8U patent/CN206976447U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065774A (en) * | 2018-07-09 | 2018-12-21 | 深圳市诚思品科技有限公司 | A kind of lithium battery mould group |
| CN115312979A (en) * | 2021-05-06 | 2022-11-08 | 保时捷股份公司 | Functionally integrated separator, battery cell including the same, and method of manufacturing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190712 |