CN207282635U - A kind of soft-package battery unit and soft-package battery module - Google Patents
A kind of soft-package battery unit and soft-package battery module Download PDFInfo
- Publication number
- CN207282635U CN207282635U CN201721343563.6U CN201721343563U CN207282635U CN 207282635 U CN207282635 U CN 207282635U CN 201721343563 U CN201721343563 U CN 201721343563U CN 207282635 U CN207282635 U CN 207282635U
- Authority
- CN
- China
- Prior art keywords
- soft
- fixed plate
- battery
- battery core
- edge sealing
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
A kind of soft-package battery unit and soft-package battery module, including two battery cores, each battery core has two lugs stretched out outside the edge sealing of top, soft-package battery unit further includes thermally conductive sheet, first fixed plate, second fixed plate, edge sealing spacer, battery core main body spacer and connector, thermally conductive sheet, together with first fixed plate is fixedly connected sequentially with the second fixed plate, two battery cores are symmetrically pressed abd fixed between the first fixed plate and the second fixed plate, first fixed plate and the second fixed plate are in horizontal strip, at the top edge sealing of battery core, edge sealing spacer and battery core main body spacer are pressed abd fixed between two battery cores.The utility model good heat dissipation effect, simple in structure, processing cost is relatively low, preferably protects the top edge sealing of battery, and can buffer the expansion of battery core, has a safety feature.
Description
Technical field
Batteries of electric automobile technical field is the utility model is related to, more particularly to a kind of soft-package battery unit and soft-package battery
Module.
Background technology
With country's wideling popularize to New-energy electric vehicle, battery-operated motor cycle etc., power battery field shows height
Fast development trend.In power battery industry development, soft-package battery is since it has a safety feature, light-weight, capacity is big, internal resistance is small
The advantages that, have been obtained for being widely applied.
Soft-package battery generally has lug in flat, one end or opposite end, and centre is certain thickness battery core.It is soft
Bag battery generally uses aluminum plastic film as shell, battery core is partially encapsulated in aluminum plastic film using heat pressing process, the Soft Roll after encapsulation
Battery center section has certain thickness, up and down the edge sealing with one fixed width.
The grouping method of common soft-package battery is that soft-package battery is placed in fixing bracket at present, then by soft-package battery
Lug be connected in series or in parallel by welding.This structure causes fixing bracket to be close to soft-package battery, soft
Stuffy room without ventilation between bag battery and stent and between two stents, though can guarantee that volume energy density, such module exists
During high current charge-discharge, inside can gather substantial amounts of heat, and the power and energy for influencing battery play, and heat will be also caused when serious
It is out of control, influence security of system and reliability.
The Chinese patent of Application No. 201620536332.6 gives the fixing device and Soft Roll electricity of a kind of soft-package battery
Pond module, the soft-package battery fixing device which provides include two identical plastic rubber brackets and two pieces of identical metallic plates,
Both combine fixed battery core, and the program enables heat dissipation effect to be lifted, but its structure is complex, processing cost compared with
It is high.Still further aspect, the program fail the edge sealing of protection battery core well so that edge sealing is easily bent or tears, and even results in
The damage of battery body.On the other hand, soft-package battery volume after operation has a certain amount of expansion, so also needing to have time
Between accommodate this swelling volume, the service life that otherwise will influence battery even results in explosion.
The content of the invention
To solve the above problems, the utility model proposes a kind of soft-package battery unit, which overcomes
Existing soft-package battery unit processing cost is higher, the easy damaged, technological deficiency such as security performance is poor.
The utility model is that technical solution is used by solving above-mentioned technical problem：
A kind of soft-package battery unit, including two battery cores, the battery core are in integrally flat square shape, and surrounding has edge sealing,
Centre is battery core main body, and each battery core has two lugs, and described two lugs are stretched out outside the edge sealing of top；Described is soft
Bag battery unit further includes thermally conductive sheet, the first fixed plate, the second fixed plate, edge sealing spacer, battery core main body spacer and connection
Part；Thermally conductive sheet, the first fixed plate and second fixed plate is equipped with connecting hole at corresponding position, and the connector leads to
Connecting hole is crossed successively to be fixed together thermally conductive sheet, the first fixed plate and the second fixed plate；Two battery cores are symmetrical
Ground is pressed abd fixed between the first fixed plate and the second fixed plate, and the lug of the battery core, which stretches out thermally conductive sheet and first, to be fixed
Outside plate, the second fixed plate；First fixed plate and the second fixed plate are in horizontal strip, positioned at the top edge sealing of battery core
Place；The edge sealing spacer and battery core main body spacer is pressed abd fixed between two battery cores, the edge sealing spacer
For strip, the top edge sealing of both sides battery core is sticked together with edge sealing spacer, and the battery core main body spacer is sheet, and two
The side of side battery core main body is sticked together with battery core main body spacer.
Further, the thermally conductive sheet is equipped with cavity volume, and the battery core is fixed in cavity volume.
Further, the thermally conductive sheet is not with a lid box-like.
Yet further, the edge sealing spacer is strip foam, and battery core main body spacer is sheet foam.
The utility model separately also proposes a kind of soft-package battery module, including multiple foregoing soft-package battery units, connector
And shell, connector are linked together multiple soft-package battery units by connecting hole.
Further, multiple soft-package battery units are arranged in order, the heat-conducting plate of each soft-package battery unit and phase thereafter
The battery core of adjacent soft-package battery unit arranges in opposite directions.
The beneficial effects of the utility model are mainly manifested in：1. the setting of thermally conductive sheet can not only fix battery core and improve
The heat dissipation effect of battery；2. battery core main body spacer can play battery core in battery charging and discharging, battery core expansion in the work of buffering
With preferably improving security performance；3. edge sealing spacer better assures that the top edge sealing of battery core, do not allow it fragile
Damage；4. simple in structure, processing cost is low.
Brief description of the drawings
Fig. 1 is the front view of battery core.
Fig. 2 is the assembling figure of single soft-package battery unit.
Fig. 3 is the explosive view of single soft-package battery unit shown in Fig. 2.
Fig. 4 is the schematic diagram that two neighboring soft-package battery unit is engaged togather.
Fig. 5 is a soft-package battery module.
Embodiment
In order to which the purpose of this utility model and advantage is more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is not used in limit only to explain the utility model
Determine the utility model.
Illustrated with reference to Fig. 1-5 pairs of embodiments.
As shown in Figs. 1-3, a soft-package battery unit 10, including two battery cores 3, it is in flat square shape that battery core 3 is overall, its
Surrounding has edge sealing 31, and centre is battery core main body 32, and each battery core 3 has two lugs 33, and described two lugs 33 are stretched
Go out outside the edge sealing 311 of top.Soft-package battery unit 10 further include thermally conductive sheet 1, the first fixed plate 2, the second fixed plate 6, edge sealing every
From thing 4, battery core main body spacer 5 and connector 7.The material of thermally conductive sheet uses temperature-uniforming plate, heat transfer efficiency higher.
Thermally conductive sheet 1, the first fixed plate 2 and the second fixed plate 6 are equipped with connecting hole 8 at corresponding position.Connector 7 passes through
Thermally conductive sheet 1, the first fixed plate 2 and the second fixed plate 6 are fixed together by connecting hole 8 successively.In the present embodiment, first is solid
Fixed board 2 is identical with shape, the size of the second fixed plate 6, the two is arranged symmetrically.Two battery cores 3 are symmetrically secured in a press
Between the first fixed plate 2 and the second fixed plate 6, the lug 33 of battery core 3, which stretches out 1 and first fixed plate 2, second of thermally conductive sheet, to be fixed
Outside plate 6.
First fixed plate 2 and the second fixed plate 6 are in horizontal strip, at the top edge sealing 311 of battery core 3.
Edge sealing spacer 4 and battery core main body spacer 5 are pressed abd fixed between two battery cores 3, and edge sealing spacer 4 is bar
Shape, the top edge sealing 311 of both sides battery core 3 are sticked together with edge sealing spacer 4, and the battery core main body spacer 5 is sheet,
The side of both sides battery core main body 32 is sticked together with battery core main body spacer 5.
In the present embodiment, edge sealing spacer 4 is strip foam, and battery core main body spacer 5 is sheet foam.Edge sealing spacer
4 and battery core main body spacer 5 can also use other materials, it is desirable to there is insulation performance and certain elasticity, to buffer electricity
Pond be heated after volumetric expansion.
As shown in figure 3, the thermally conductive sheet 1 in the present embodiment is not with a lid box-like, a cavity volume 11 is formed, battery core 3 is solid
It is scheduled in cavity volume 11.Thermally conductive sheet can also make other shapes for carrying cavity volume.
The utility model separately also proposes a kind of soft-package battery module 9, and soft-package battery module 9 includes multiple foregoing Soft Roll electricity
Pool unit 10, connector 7 and shell 12, connector 7 are linked together multiple soft-package battery units 10 by connecting hole 8,
Soft-package battery unit 10 is arranged in order, the heat-conducting plate 1 of previous soft-package battery unit 10 and adjacent soft-package battery unit 10 thereafter
Battery core 3 arrange in opposite directions.The schematic diagram that two adjacent battery units are engaged togather is illustrated in figure 4, Fig. 5 is an installation
The soft-package battery module of completion.
This programme is different from the scheme provided in documents：1. the setting of thermally conductive sheet, can either fix battery core, also have
Good heat dissipation effect, and given up plastic rubber bracket used in documents, structure is simpler, and processing cost is relatively low；
2. not having spacer between two battery cores in documents in a soft-package battery, two battery cores fit closely, and in this programme
Equipped with battery core main body spacer and edge sealing spacer, the top edge sealing of battery can be not only protected, makes its not easily damaged, may be used also
To play cushioning effect when battery core expands, security performance is substantially increased；3. the first fixed plate and the second fixed plate are in laterally
Strip is fixed at the top edge sealing of battery core, in addition to cost is lower, can also preferably protect top edge sealing, and cause
Heat-dissipating space bigger inside soft-package battery, heat dissipation effect are more preferable.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of soft-package battery unit, including two battery cores, the battery core is in integrally flat square shape, and surrounding has edge sealing, in
Between be battery core main body, each battery core has two lugs, and described two lugs are stretched out outside the edge sealing of top, its feature exists
In：The soft-package battery unit further include thermally conductive sheet, the first fixed plate, the second fixed plate, edge sealing spacer, battery core main body every
From thing and connector；Thermally conductive sheet, the first fixed plate and second fixed plate is equipped with connecting hole at corresponding position, described
Connector thermally conductive sheet, the first fixed plate and the second fixed plate are fixed together successively by connecting hole；Described two
A battery core is symmetrically pressed abd fixed between the first fixed plate and the second fixed plate, and the lug of the battery core stretches out thermally conductive sheet
Outside the first fixed plate, the second fixed plate；First fixed plate and the second fixed plate are in horizontal strip, positioned at battery core
At the edge sealing of top；The edge sealing spacer and battery core main body spacer is pressed abd fixed between two battery cores, the envelope
Side spacer is strip, and the top edge sealing of both sides battery core is sticked together with edge sealing spacer, the battery core main body spacer
For sheet, the side of both sides battery core main body is sticked together with battery core main body spacer.
2. soft-package battery unit as claimed in claim 1, it is characterised in that：The thermally conductive sheet is equipped with cavity volume, the electricity
Core is fixed in cavity volume.
3. soft-package battery unit as claimed in claim 2, it is characterised in that：The thermally conductive sheet is not with a lid box-like.
4. soft-package battery unit as claimed in claim 2 or claim 3, it is characterised in that：The edge sealing spacer is strip foam,
The battery core main body spacer is sheet foam.
A kind of 5. soft-package battery module, it is characterised in that：Including multiple such as Claims 1-4 any one of them soft-package battery
Unit, connector and shell, connector are linked together multiple soft-package battery units by connecting hole.
6. soft-package battery module as claimed in claim 5, it is characterised in that：Multiple soft-package battery units are arranged in order, each
The heat-conducting plate of a soft-package battery unit and the battery core of adjacent soft-package battery thereafter arrange in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343563.6U CN207282635U (en) | 2017-10-19 | 2017-10-19 | A kind of soft-package battery unit and soft-package battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343563.6U CN207282635U (en) | 2017-10-19 | 2017-10-19 | A kind of soft-package battery unit and soft-package battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207282635U true CN207282635U (en) | 2018-04-27 |
Family
ID=61980550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721343563.6U Active CN207282635U (en) | 2017-10-19 | 2017-10-19 | A kind of soft-package battery unit and soft-package battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207282635U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550956A (en) * | 2018-06-20 | 2018-09-18 | 华霆（合肥）动力技术有限公司 | Battery modules and electric vehicle |
| CN109065769A (en) * | 2018-09-25 | 2018-12-21 | 华霆（合肥）动力技术有限公司 | Soft-package battery and battery modules |
| WO2020253704A1 (en) * | 2019-06-17 | 2020-12-24 | Dongguan Amperex Technology Limited | Battery assembly and electrochemical device |
| CN112133847A (en) * | 2020-09-23 | 2020-12-25 | 蜂巢能源科技有限公司 | Soft package battery packaging bag, soft package battery and soft package battery packaging process |
| CN114430086A (en) * | 2022-01-25 | 2022-05-03 | 东莞新能安科技有限公司 | Battery core subassembly and battery |
-
2017
- 2017-10-19 CN CN201721343563.6U patent/CN207282635U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550956A (en) * | 2018-06-20 | 2018-09-18 | 华霆（合肥）动力技术有限公司 | Battery modules and electric vehicle |
| CN109065769A (en) * | 2018-09-25 | 2018-12-21 | 华霆（合肥）动力技术有限公司 | Soft-package battery and battery modules |
| WO2020253704A1 (en) * | 2019-06-17 | 2020-12-24 | Dongguan Amperex Technology Limited | Battery assembly and electrochemical device |
| CN112133847A (en) * | 2020-09-23 | 2020-12-25 | 蜂巢能源科技有限公司 | Soft package battery packaging bag, soft package battery and soft package battery packaging process |
| CN112133847B (en) * | 2020-09-23 | 2022-04-22 | 蜂巢能源科技有限公司 | Soft package battery packaging bag, soft package battery and soft package battery packaging process |
| CN114430086A (en) * | 2022-01-25 | 2022-05-03 | 东莞新能安科技有限公司 | Battery core subassembly and battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207282635U (en) | A kind of soft-package battery unit and soft-package battery module | |
| CN106463669B (en) | Battery module with improved safety and operation lifetime | |
| CN208655743U (en) | A kind of soft-package battery mould group | |
| CN204857898U (en) | Battery module , group battery and including device of this group battery | |
| CN201781031U (en) | Flexible packaging battery pack | |
| CN205810902U (en) | Soft-package battery fixing device and soft-package battery module | |
| CN202495510U (en) | Lithium-ion battery and tab structure thereof | |
| CN103904261B (en) | Battery module | |
| CN103346355A (en) | Lithium-ion flexible packaged battery pack structure | |
| CN103904279A (en) | Battery separator for flexibly packaging lithium ion battery pack and battery pack | |
| CN208093603U (en) | A kind of soft-package battery module | |
| CN110114898A (en) | Bag type secondary battery and its manufacturing method | |
| CN204517508U (en) | Car emergency starts supply unit | |
| CN207818697U (en) | Battery and battery modules | |
| CN207409547U (en) | A kind of battery modules | |
| CN107170933A (en) | A kind of in groups module of rectangular cell | |
| CN205811000U (en) | A kind of lithium battery | |
| CN101635370A (en) | Lithium-ion power battery | |
| CN208478442U (en) | Encapsulating power battery pack and lithium ion battery packet | |
| CN217405612U (en) | Battery pack and electric equipment | |
| CN201413847Y (en) | Lithium-ion power battery | |
| CN202558074U (en) | Packaging protector for solar cell laminates | |
| CN213366677U (en) | Soft package battery | |
| CN201985183U (en) | Cylindrical polymer lithium ion battery top packaging structure | |
| CN202282398U (en) | Connection structure of frame of electric scooter and battery case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |