CN108598297A - A kind of soft-package battery module - Google Patents
A kind of soft-package battery module Download PDFInfo
- Publication number
- CN108598297A CN108598297A CN201810412838.XA CN201810412838A CN108598297A CN 108598297 A CN108598297 A CN 108598297A CN 201810412838 A CN201810412838 A CN 201810412838A CN 108598297 A CN108598297 A CN 108598297A
- Authority
- CN
- China
- Prior art keywords
- soft
- package battery
- package
- positive
- battery
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 12
- 239000000178 monomer Substances 0.000 abstract description 8
- 239000004020 conductor Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 description 6
- 239000002826 coolant Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of soft-package battery module, is related to battery modules technical field.Including at least two soft-package batteries, each soft-package battery includes soft pack cell, and battery core insulating layer is coated with outside soft pack cell;Soft pack cell is equipped with positive and negative lug, and position corresponding with positive and negative lug is equipped with opening on the battery core insulating layer;It is electrically connected by positive and negative lug between soft-package battery.The present invention in the external of single soft pack cell by coating battery core insulating layer, each soft pack cell is kept apart, the conductive materials that explosion time generates are occurred for monomer soft-package battery simultaneously to be wrapped in battery core insulating layer, prevent monomer Soft Roll explosion time from involving other soft-package batteries, to generate chain explosion after preventing thermal runaway.
Description
Technical field
The present invention relates to battery modules technical fields, and in particular to a kind of soft-package battery module.
Background technology
Tend to the production of conventional fossil energy and the approaching peak of consumption and gradually exhausted, thing followed environmental pollution
It becomes increasingly conspicuous, the energy system based on regenerative resource is gradually forming.Present Global auto industry face the energy and
Under the huge challenge of environmental problem, develop New-energy electric vehicle, pushes the strategic transformation of orthodox car industry, in the world
Through reaching common understanding.In terms of automobile industry energy-saving and emission-reduction trend, China's development is energy saving be automotive engineering progress with new-energy automobile with
The inevitable choice of industrial upgrading.
Power battery module, which refers to battery core, to be fixed after device by the merging of series-parallel mode group and provides electricity for electric vehicle
The assembly of energy is one of composition battery pack secondary structure.According to the planform of battery core, cylindrical electrical core, square electric can be divided into
Pond and soft-package battery.It is excellent since soft-package battery internal resistance is low, charge-discharge characteristic is superior, battery energy density is high, has extended cycle life etc.
Point gradually replaces traditional lithium ion battery in new-energy automobile field.
It since soft-package battery outer packing generally uses aluminum plastic film, is easily damaged, and positive and negative anodes use the structure of lug, thus
The fastening of soft-package battery and series-parallel connection type are two big difficult points, and in addition soft-package battery energy density is high, when work
Radiating mode and thermal runaway after control chain explosion be also problem to be solved.
Invention content
Technical problem to be solved by the present invention lies in existing soft-package batteries the control of chain explosion after thermal runaway
Problem to be optimized.
The present invention solves above-mentioned technical problem using following technical scheme:
A kind of soft-package battery module, including at least two soft-package batteries, each soft-package battery include soft pack cell, Soft Roll electricity
Battery core insulating layer is coated with outside core;Soft pack cell is equipped with positive and negative lug, corresponding with positive and negative lug on the battery core insulating layer
Position be equipped with opening;It is electrically connected by positive and negative lug between soft-package battery.
Further, the soft pack cell for being coated with battery core insulating layer is set in thin-wall shell, the thin-wall shell
Upper position corresponding with positive and negative lug is equipped with opening.
Further, the outer surface of the thin-wall shell is equipped with protrusion.
Further, the thin-wall shell is aluminum hull.
Further, the soft-package battery module further includes the battery modules shell of insulation, and the soft-package battery is set to
In battery modules shell.
Further, the battery modules shell is to cover by left end cap, right end cap, top lid and below the closing shell surrounded
Body;The left end cap, right end cap, top lid and the outer surface covered below are coated with insulation layer of silica gel.
Further, the battery core insulating layer is heat conduction silicone.
Further, the soft-package battery is according to being ranked sequentially up and down, the positive and negative lug on multiple soft-package batteries
Towards same direction.
Further, the soft-package battery module further includes fixed plate and copper bar, and the fixed plate is insulator, the copper
It is exclusive to be coated with insulating layer;Through-hole corresponding with the positive and negative lug position is offered in fixed plate, the positive and negative lug is worn
Through-hole is crossed, the copper bar is fixed on together with positive and negative lug in fixed plate.
Further, the soft-package battery module further includes micro-channel flat, and the micro-channel flat is internally provided with
Microchannel cooling line;Position where the positive and negative lug is soft-package battery front, and the micro-channel flat is installed on Soft Roll
Rear portion, top or the bottom of battery.
The invention has the advantages that:
By coating battery core insulating layer in the external of single soft pack cell, each soft pack cell is kept apart, simultaneously will
Monomer soft-package battery occurs the conductive materials that explosion time generates and is wrapped in battery core insulating layer, prevents monomer Soft Roll explosion time from involving
Other soft-package batteries, to generate chain explosion after preventing thermal runaway.
By the way that thin-wall shell is arranged in the external of the soft pack cell for being coated with insulating layer, on the one hand single soft pack cell is risen
To protective effect, monomer Soft Roll explosion time is on the other hand further prevented to involve other soft-package batteries, after preventing thermal runaway
Generate chain explosion.
Protrusion is set in the outer surface of thin-wall shell, is soft pack cell fever expansion reserved space.
Since the thermal conductivity of aluminium is preferable, thin-wall shell can accelerate soft-package battery heat dissipation using aluminum hull.
The soft-package battery module casing of insulation is set outside multiple soft-package batteries, forms the assembly of soft-package battery module
Body protects soft-package battery module, while preventing from leaking electricity.
Multiple soft-package batteries are according to being ranked sequentially up and down, and positive and negative lug makes multiple Soft Rolls towards same direction
Battery arrangement is even closer, improves the energy density of battery modules.
Using the fixed plate and copper bar for offering through-hole, the positive and negative lug of multiple battery modules is made to pass through through-hole, and and copper
Row is fixed in fixed plate together, realizes fastening and the connection in series-parallel connection type of soft-package battery module, while improving battery mould
The energy density of group.
Micro-channel flat of the setting with cooling line in battery modules shell, battery modules when to work dissipate
Heat.
Description of the drawings
Fig. 1 (a) is the general shape front view of soft-package battery module in the embodiment of the present invention;
Fig. 1 (b) is the general shape vertical view of soft-package battery module in the embodiment of the present invention;
Fig. 2 is the exploded perspective view of soft-package battery module in the embodiment of the present invention;
Fig. 3 is left end cap assembly schematic diagram in the embodiment of the present invention;
Fig. 4 is the schematic diagram before the assembly of monomer soft-package battery assembly in the embodiment of the present invention;
Fig. 5 is the schematic diagram after the assembly of monomer soft-package battery assembly in the embodiment of the present invention;
Fig. 6 is the assembling schematic diagram of copper bar in the embodiment of the present invention, fixed plate and soft-package battery.
Specific implementation mode
In order to the present invention structure feature and it is reached the effect of have a better understanding and awareness, to preferable
Embodiment and attached drawing cooperation detailed description, are described as follows:
A kind of soft-package battery module, as shown in Fig. 1 (a), 1 (b), Fig. 2, including it is battery modules shell 1, soft-package battery 2, micro-
Channel flat tube 3, fixed plate 4 and copper bar 5.
In conjunction with shown in Fig. 3, the surface of the battery modules shell 1 is coated with layer of silica gel, and the battery modules shell 1 is a left side
The closing shell that end cap 11, right end cap 12, top lid 13 and following lid 14 surround;The left end cap 11, right end cap 12, top lid
13 and following lid 14 be aluminium lid, the surface of aluminium lid is coated with layer of silica gel 10, is equipped with threaded hole on aluminium lid and silica gel, passes through spiral shell
The upper end of left end cap 11, right end cap 12 is connect by nail with top lid 13, by left end cap 11, lower end and the following lid 14 of right end cap 12
Connection.Left end cap 11, left and right side and the top lid 13 of right end cap 12, following lid 14 left and right side Natural closure or engage.
Include at least two soft-package batteries 2 in the battery modules shell 1, soft-package battery 2 is equipped with positive and negative lug 21, knot
It closes shown in Fig. 4, Fig. 5, soft-package battery 2 includes the soft pack cell 23 and thin-wall shell 24 that surrounding is coated with thermally conductive insulating layer 22, packet
The soft pack cell 23 for being covered with thermally conductive insulating layer 22 is positioned in thin-wall shell 24;In the thermally conductive insulating layer 22, thin-wall shell 24
Position corresponding with positive and negative lug 21 is equipped with opening (figure is not marked not).It is electrically connected by positive and negative lug 21 between single soft-package battery 2
It connects.
The thermally conductive insulating layer 22 is heat conductive silica gel, and the thin-wall shell 24 is thin-walled aluminum hull, is on the one hand played to battery core
On the other hand protective effect is kept apart each soft-package battery 2, while heat conductive silica gel can wrap the conductive material of explosion time generation
Matter prevents monomer Soft Roll explosion time from involving other soft-package batteries.There is rectangular preiection 241 in the outer surface of thin-wall shell 24, effect
It is the thin-wall shell 24 one end open in the longitudinal direction for 23 fever expansion reserved space of soft pack cell, one end closing.
The micro-channel flat 3 is set in battery modules shell 1, and near soft-package battery 2, the positive and negative anodes
Position where ear 21 is the front of soft-package battery 2, and micro-channel flat 3 is internally provided with cooling line (not shown), cooling
The inlet and outlet of pipeline is set to the outside of battery modules shell 1;The entrance of cooling line is welded with import end 31, goes out
Outlet ends 32 are welded at mouthful, import end 31 and outlet ends 32 are used to cool down the disengaging of medium.Cooling medium can be used
Coolant liquid or cooling gas etc. use coolant liquid in this implementation.Micro-channel flat 3 may be disposed at the bottom of soft-package battery 2, top
Or rear portion;If be set to the front of soft-package battery 2, left part or right part, and micro-channel flat 3 use liquid cooling, when coolant liquid not very
It flows out, easily leads to short circuit, cause security risk.Micro-channel flat 3 is set to the rear portion of soft-package battery 2 in the present embodiment, and one
Aspect cooling effect is good, and on the other hand compared with the bottom or top that are set to soft-package battery 2, battery modules arrangement more steps up
It is close, energy density higher.
Micro-channel flat 3 is made of aluminium sheet, and cooling line is the minim channel being opened in the middle part of aluminium sheet.Coolant liquid is by pumping
The import end 31 of micro-channel flat 3 is squeezed into, coolant liquid flows in cooling line, is cooled down to soft-package battery, to tie up
Hold the temperature difference of each soft-package battery.
As shown in Fig. 2, Fig. 6, multiple rectangular through-hole (figures for across positive and negative lug 21 are offered in the fixed plate 4
Do not indicate), by soft-package battery 2 by up and down and left and right is ranked sequentially, and the positive and negative lug on multiple soft-package batteries 2 is towards same
Direction, and the positive and negative lug 21 of each soft-package battery across bending after rectangular through-hole and is fixed in fixed plate 4, fixed plate 4
For insulator, arranges and link together to realize to fasten multiple soft-package batteries 2.
5 outsourcing of copper bar, one layer of insulation silica gel (not shown), and it is provided with threaded hole (not shown) in upper and lower side, pass through screw
(not shown) and the positive and negative lug 21 of soft-package battery 2 are fixed on together in fixed plate 4, to reach between multiple soft-package batteries 2
Series-parallel purpose.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of soft-package battery module, which is characterized in that including at least two soft-package batteries, each soft-package battery includes Soft Roll electricity
Core is coated with battery core insulating layer outside soft pack cell;Soft pack cell is equipped with positive and negative lug, on the battery core insulating layer with it is positive and negative
The corresponding position of lug is equipped with opening;It is electrically connected by positive and negative lug between soft-package battery.
2. a kind of soft-package battery module according to claim 1, which is characterized in that described to be coated with the soft of battery core insulating layer
Packet battery core is set in thin-wall shell, and position corresponding with positive and negative lug is equipped with opening on the thin-wall shell.
3. a kind of soft-package battery module according to claim 2, which is characterized in that the outer surface of the thin-wall shell is equipped with
Protrusion.
4. a kind of soft-package battery module according to claim 2, which is characterized in that the thin-wall shell is aluminum hull.
5. a kind of soft-package battery module according to claim 1, which is characterized in that further include the battery modules shell of insulation
Body, the soft-package battery are set in battery modules shell.
6. a kind of soft-package battery module according to claim 5, which is characterized in that the battery modules shell is by left end
Lid, right end cap, top lid and the closing shell surrounded is covered below;The left end cap, right end cap, top lid and the appearance covered below
Face is coated with insulation layer of silica gel.
7. a kind of soft-package battery module according to claim 1, which is characterized in that the battery core insulating layer is heat conductive silica gel
Layer.
8. a kind of soft-package battery module according to claim 1, which is characterized in that the soft-package battery is according to up and down
Be ranked sequentially, the positive and negative lug on multiple soft-package batteries is towards same direction.
9. a kind of soft-package battery module according to claim 1, which is characterized in that further include fixed plate and copper bar, it is described
Fixed plate is insulator, and the copper bar is coated with insulating layer;It is offered in fixed plate corresponding with the positive and negative lug position
Through-hole, the positive and negative lug passes through through-hole, and the copper bar is fixed on together with positive and negative lug in fixed plate.
10. a kind of soft-package battery module according to claim 8, which is characterized in that further include micro-channel flat, it is described micro-
Channel flat tube is internally provided with microchannel cooling line;Position where the positive and negative lug is soft-package battery front, described
Micro-channel flat is installed on the rear portion, top or bottom of soft-package battery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810412838.XA CN108598297A (en) | 2018-05-03 | 2018-05-03 | A kind of soft-package battery module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810412838.XA CN108598297A (en) | 2018-05-03 | 2018-05-03 | A kind of soft-package battery module |
Publications (1)
Publication Number | Publication Date |
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CN108598297A true CN108598297A (en) | 2018-09-28 |
Family
ID=63619547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810412838.XA Pending CN108598297A (en) | 2018-05-03 | 2018-05-03 | A kind of soft-package battery module |
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CN (1) | CN108598297A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109148744A (en) * | 2018-10-18 | 2019-01-04 | 天津中聚新能源科技有限公司 | A kind of assembling structure of soft-package battery |
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CN201910448U (en) * | 2010-12-31 | 2011-07-27 | 长利科技股份有限公司 | Battery shell |
CN104134776A (en) * | 2013-05-03 | 2014-11-05 | 罗伯特·博世有限公司 | Battery with overload protection |
CN205248346U (en) * | 2015-12-30 | 2016-05-18 | 安徽贵博新能科技有限公司 | Laminate polymer battery standard module box structure |
CN205376600U (en) * | 2016-01-13 | 2016-07-06 | 东莞塔菲尔新能源科技有限公司 | Take power battery of backing board |
CN205863226U (en) * | 2016-05-16 | 2017-01-04 | 宁德时代新能源科技股份有限公司 | Secondary cell |
CN107171038A (en) * | 2017-05-02 | 2017-09-15 | 安徽江淮松芝空调有限公司 | A kind of refrigerant evaporation cools down cell apparatus |
CN107223286A (en) * | 2016-09-14 | 2017-09-29 | 深圳市大疆创新科技有限公司 | Battery and its assemble method, and use the unmanned vehicle of the battery |
CN208093603U (en) * | 2018-05-03 | 2018-11-13 | 安徽新能科技有限公司 | A kind of soft-package battery module |
-
2018
- 2018-05-03 CN CN201810412838.XA patent/CN108598297A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201910448U (en) * | 2010-12-31 | 2011-07-27 | 长利科技股份有限公司 | Battery shell |
CN104134776A (en) * | 2013-05-03 | 2014-11-05 | 罗伯特·博世有限公司 | Battery with overload protection |
CN205248346U (en) * | 2015-12-30 | 2016-05-18 | 安徽贵博新能科技有限公司 | Laminate polymer battery standard module box structure |
CN205376600U (en) * | 2016-01-13 | 2016-07-06 | 东莞塔菲尔新能源科技有限公司 | Take power battery of backing board |
CN205863226U (en) * | 2016-05-16 | 2017-01-04 | 宁德时代新能源科技股份有限公司 | Secondary cell |
CN107223286A (en) * | 2016-09-14 | 2017-09-29 | 深圳市大疆创新科技有限公司 | Battery and its assemble method, and use the unmanned vehicle of the battery |
CN107171038A (en) * | 2017-05-02 | 2017-09-15 | 安徽江淮松芝空调有限公司 | A kind of refrigerant evaporation cools down cell apparatus |
CN208093603U (en) * | 2018-05-03 | 2018-11-13 | 安徽新能科技有限公司 | A kind of soft-package battery module |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109148744A (en) * | 2018-10-18 | 2019-01-04 | 天津中聚新能源科技有限公司 | A kind of assembling structure of soft-package battery |
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Application publication date: 20180928 |