CN105914316B - Soft package power lithium ion battery module - Google Patents
Soft package power lithium ion battery module Download PDFInfo
- Publication number
- CN105914316B CN105914316B CN201610222969.2A CN201610222969A CN105914316B CN 105914316 B CN105914316 B CN 105914316B CN 201610222969 A CN201610222969 A CN 201610222969A CN 105914316 B CN105914316 B CN 105914316B
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- Prior art keywords
- frid
- battery
- heat
- braced frame
- lithium ion
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Classifications
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of soft package power lithium ion battery module to include battery battery core, with the braced frame of support battery battery core, the braced frame material is made of 70%ABS resins and 30% polycarbonate injection moulded, braced frame is provided at both ends with trepanning, copper mold insert is disposed in trepanning, braced frame includes upper between being set to the opposite single port frid of battery modules top and bottom opening and being set to single port frid, lower face is all provided with slotted twoport frid, the strip through-hole of perforation twoport frid both sides is opened in the horizontal direction in the stage casing of the twoport frid, through the heat-conducting plate for having metallic in strip through-hole, the conductance heat block being close to through end positioned at braced frame both sides of heat-conducting plate is arranged.Strengthen compared to existing soft package power lithium ion battery modular structure intensity, heating and heat dissipation effect are mentioned；And modular volume becomes smaller, is more convenient for assembling.
Description
Technical field
The present invention relates to new-energy automobile power battery technical fields, are related to battery modules, and in particular to a kind of Soft Roll moves
Power lithium ion battery module.
Background technology
Power battery is electric vehicle " heart ".Battery modules are the new energy for for example electric vehicle, hybrid electric vehicle
Source transport facility provides the core of power source.It can be understood as battery battery core and is combined through series-parallel system, and
Install battery cell monitoring and managing device additional（MCN）It is managed and is controlled.The structure design of battery modules tends to determine an electricity
The performance and safety of pond case.Its structure must play battery battery core support, fixation and protective effect.
Soft package power lithium ion battery module be battery battery core be lithium-ion electric core, support battery battery core frame be plasticity
The battery modules of the braced frame of structure.Its braced frame generally use polyphenyl second of existing soft package power lithium ion battery module
The polymer material of alkene or polyethylene material, this battery modules type body is softer, and structural strength is poor；And due to the temperature of battery modules
Degree conduction is to abut directly against battery modules side by conductance heat block to carry out temperature conduction, and battery modules to battery modules
Side is polymer braced frame, and heat conduction is poor, and the heating of battery and heat dissipation effect are poor.（Here under illustrating, battery mould
It organizes usually by setting conductance heat block in the side of battery modules, the temperature sensor real-time reception battery modules of battery modules
Caloric information, caloric information are transferred to the MCN of battery modules, and MCN receives caloric information by controlling heat passage or cold flow
By hot-fluid, either cold flow is transferred to conductance heat block conductance heat block and thermal energy or cold energy is transferred in battery modules so that electricity channel
The temperature of pond module is controlled in the most suitable operating temperature of battery modules, and the most suitable operating temperature of battery modules is typically 30 DEG C of left sides
It is right）.
Invention content
It is an object of the present invention to provide a kind of soft package power lithium ion battery module, compared to existing Soft Roll lithium ion power electricity
Pond modular structure intensity is strengthened, and heating and heat dissipation effect are mentioned；And modular volume becomes smaller, is more convenient for assembling.
In order to achieve the goal above, the technical solution adopted by the present invention is：A kind of soft package power lithium ion battery module, packet
It includes battery battery core and supports the braced frame of battery battery core, the braced frame material is 70%ABS resins and 30% poly- carbon
Acid esters injection is made, and braced frame is provided at both ends with trepanning, and copper mold insert is disposed in trepanning, and braced frame includes being set to electricity
Pond die set top and the opposite single port frid of bottom opening and the upper and lower plate face being set between single port frid are all provided with slotted
The strip through-hole of perforation twoport frid both sides, bar shaped are opened in twoport frid, the stage casing of the twoport frid in the horizontal direction
It is arranged in through-hole through the heat-conducting plate for having metallic, the conductance heat block being close to through end positioned at braced frame both sides of heat-conducting plate.
The technical effects of the invention are that：The impact resistance of ABS resin, heat resistance, lower temperature resistance, chemical resistance and
Excellent electrical properties have the characteristics that easy processing, product size are stable, lustrous surface is good, easy application, coloring, Ke Yijin
The secondary operation such as row surface metallization, plating, welding, hot pressing and bonding are a kind of thermoplastic engineering plastics.Makrolon
(also abbreviation PC) is a kind of tough thermoplastic resin, makrolon weak acid resistant, resistance to weak base, resistance to neutral oil, has the intensity high, resistance to
The features such as fatigability.Braced frame support strength that 70%ABS resins and 30% polycarbonate injection moulded obtain is high, support plasticity is steady
Fixed, good insulation preformance.Pass is unlikely to deform particularly in braced frame both ends trepanning, trepanning and pass is stablized after trepanning, copper
Mold insert is set in trepanning for the module component at braced frame both ends（For example bus-bar）It is bonded by connecting bolt.Equally,
Due to the material structure of braced frame, twoport frid and its strip through-hole pass opened up are stablized.In this way to battery in itself into
Luggage timing, the battery battery core are set in the vallecular cavity between upper and lower adjacent braced frame, i.e., battery battery core is placed in
In the vallecular cavity of upper and lower single port frid or twoport frid, the battery modules small volume that assembles in this way, and the battery mould of small size
Group more conducively this body structure of battery modules facilitates arrangement, and battery modules is facilitated to be located in battery case and are assembled；And braced frame
Be not in using insulating materials battery modules internal electrical losses unfavorable phenomenon.The heat-conducting plate of setting by strip through-hole pass through in
In twoport frid, there are two act on for heat-conducting plate tool here：One, metallic heat-conducting plate be equivalent to and set in twoport frid
Reinforcing plate strengthens the support strength of twoport frid, and the main support structure of battery modules is exactly between single port frid
Twoport frid, the structure of such battery modules are also just strengthened；Second, when battery modules work and generate high temperature, due to electricity
The origin of heat of pond module is battery battery core, and the sinking path of battery battery core is mainly by being located at the upper and lower core of battery battery core
The stage casing plate face of twoport frid on face, and plate face is rapid by the heat-conducting plate heat conduction of metallic among twoport frid, and heat-conducting plate
It is contacted with the conductance heat block of battery modules both sides, such heat-conducting plate is since conductance heat block is radiated rapidly, similarly, when battery mould
Group works at low temperature, and when needing to heat battery modules, conductance heat block is formed by heat-conducting plate to battery modules
Rapid heating, in this way, the heating of battery modules and heat dissipation effect are effectively mentioned compared to existing structure.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the structure diagram of electrical connection module of the present invention；
Fig. 4 is that invention is located at the structure diagram arranged in battery case.
Specific embodiment
With reference to attached drawing, a kind of soft package power lithium ion battery module is used including battery battery core 10 and support battery battery core 10
Braced frame 20,20 material of braced frame is made of 70%ABS resins and 30% polycarbonate injection moulded, braced frame 20
Be provided at both ends with trepanning, be disposed with copper mold insert 30 in trepanning, braced frame 20 includes being set at the top and bottom of battery modules
The single port frid 21 for being open opposite and the upper and lower plate face being set between single port frid 21 are all provided with slotted twoport frid 22,
The strip through-hole 221 of 22 both sides of perforation twoport frid is opened in the stage casing of the twoport frid 22 in the horizontal direction, and bar shaped is led to
Through the heat-conducting plate 40 for having metallic, the conductance heat being close to through end positioned at 20 both sides of braced frame of heat-conducting plate 40 in hole 221
Block 50 is arranged.
Impact resistance, heat resistance, lower temperature resistance, chemical resistance and the excellent electrical properties of ABS resin have and easily add
The features such as work, product size are stable, lustrous surface is good, easy application, coloring can carry out surface metallization, plating, weldering
It connects, the secondary operation such as hot pressing and bonding, is a kind of thermoplastic engineering plastic.Makrolon (also abbreviation PC) is a kind of tough heat
Plastic resin, makrolon weak acid resistant, resistance to weak base, resistance to neutral oil have the characteristics that intensity height, fatigue durability.70%ABS resins
20 support strength of braced frame height, support plasticity stabilization, the good insulation preformance obtained with 30% polycarbonate injection moulded.Particularly exist
20 both ends trepanning of braced frame, pass is unlikely to deform during trepanning and pass is stablized after trepanning, and copper mold insert 30 is set in trepanning for branch
The module component at 20 both ends of support frame frame（For example bus-bar）It is bonded by connecting bolt.Similarly, since braced frame 20
Material structure, twoport frid 22 and its 221 pass of strip through-hole opened up are stablized.In this way when being assembled in itself to battery,
The battery battery core 10 is set in the vallecular cavity between upper and lower adjacent braced frame 20, i.e., battery battery core 10 is placed in above and below
In the vallecular cavity of single port frid 21 or twoport frid 22, the battery modules small volume that assembles in this way, and the battery mould of small size
Group more conducively this body structure of battery modules facilitates arrangement, and battery modules is facilitated to be located in battery case and are assembled；And braced frame
20 be not in using insulating materials battery modules internal electrical losses unfavorable phenomenon.The heat-conducting plate 40 of setting passes through strip through-hole
221 pass through in twoport frid 22, and there are two act on for the tool of heat-conducting plate 40 here：One, metallic heat-conducting plate 40 be equivalent to
Setting reinforcing plate in twoport frid 22 strengthens the support strength of twoport frid 22, and the main support structure of battery modules is exactly
Twoport frid 22 between single port frid 21, the structure of such battery modules are also just strengthened；Second, work as battery modules
When work generates high temperature, since the origin of heat of battery modules is battery battery core 10, and the sinking path of battery battery core 10 is main
It is the stage casing plate face by being located at twoport frid 22 on 10 upper and lower core face of battery battery core, and 22 intermediate plate face of twoport frid passes through
40 heat conduction of heat-conducting plate of metallic is rapid, and heat-conducting plate 40 is contacted with the conductance heat block 50 of battery modules both sides, such heat-conducting plate
40 since conductance heat block 50 is radiated rapidly, similarly, when battery modules work at low temperature, needs to add battery modules
During heat treatment, conductance heat block 50 is formed by heat-conducting plate 40 and battery modules is heated rapidly, in this way, the heating of battery modules and dissipate
Thermal effect is effectively mentioned compared to existing structure.
Further, the lug 11 at 10 both ends of battery battery core be overhung at between its upper and lower two adjacent braced frame 20,
Elastomeric pad 60 is set between battery battery core 10 and braced frame 20.
Due to battery modules battery battery core 10 in charge and discharge process there are battery core expansion, that is, battery battery core 10
Size can change, and the elastomeric pad 60 of setting absorbs deflection caused by the change in size of battery battery core 10, effectively protects
Protect battery modules internal structure.
Further, the heat-conducting plate 40 be aluminium alloy plate, heat-conducting plate 40 through end all upwards or all to
Under turn up and be close to 20 side wall of braced frame arrangement, conductance heat block 50 be close to heat-conducting plate 40 turn up part outer plate surface arrangement.
Aluminium alloy density is low, light weight, but intensity is higher, and with good thermal conductivity.So heat-conducting plate 40 is preferred
Aluminum alloy material.Here the benefit all turned up downwards upwards or all through end of heat-conducting plate 40 is：Heat-conducting plate 40 passes through
It wears end all to bend to same direction, the interference arranged each other will not be caused so that heat-conducting plate 40 is orderly arranged, facilitates heat-conducting plate
40 are close to assemble with conductance heat block 50.
Further, the copper mold insert 30 is located at the both sides of 10 both ends lug 11 of battery battery core and is arranged symmetrically.In this way
The both sides that the copper mold insert 30 of setting is located at 10 lug 11 of battery battery core for cylinder manifold 70 are fixed so that cylinder manifold 70 obtains surely
It is solidly connected.
It is further preferred that the copper mold insert 30 is copper nut.
21 both ends of single port frid are disposed with big copper nut 31, big copper nut 31 supplies by opening up macropore at proximal portion in macropore
Electrode bolts are connected, and 21 both ends of single port frid open up aperture by close end center, and small copper nut 32 is disposed in aperture, small
Copper nut 32 is connected for the fixing bolt of fixed bus-bar 70.
Copper mold insert 30 can be the parent part of riveting（This structure be connected cylinder manifold 70 bull use rivet）Or
Copper nut, and connection electrode bolt is needed in view of the end face of single port frid 21, so copper mold insert 30 is all using copper nut, position
It opens up macropore in 21 both ends of single port frid and arranges that the big power supply of copper nut 31 pole bolt is stablized and be connected, positioned at 21 both ends of single port frid
It opens up aperture and arranges that small copper nut 32 is stablized for fixing bolt and be connected, and 21 tip electrodes bolt of single port frid and fixing bolt
Position cleverly used the connection functions of electrode bolts, in bus-bar 70 in electrode bolts also trepanning in place, electricity
Pole bolt passes through the trepanning so that bus-bar 70 is attached while the effect of electrode bolts conduction, strengthens bus-bar 70
Firm arrangement（With reference to Fig. 3）.
Further, heat emission hole 222 is opened up in the plate face of the twoport frid 22, the heat emission hole 222 is in square
Configuration is arranged.
222 one of heat emission hole opened up mitigates the weight of battery modules, secondly accelerating the rate of heat dissipation of battery modules.
Further, supportive grid 211 is set in the back of 21 notch of single port frid.
The supportive grid 211 of setting ensure battery modules structural strength under the premise of and play mitigate battery mould
The effect of group weight.
Claims (8)
1. a kind of soft package power lithium ion battery module, the support including battery battery core (10) and support battery battery core (10)
Frame (20), it is characterised in that：Described braced frame (20) material is 70%ABS resins and 30% polycarbonate injection moulded system
Into braced frame (20) is provided at both ends with trepanning, copper mold insert (30) is disposed in trepanning, braced frame (20) is including being set to
The opposite single port frid (21) of fluting and the upper and lower plate face being set between single port frid (21) are equal at the top and bottom of battery modules
If slotted twoport frid (22), the battery battery core (10) is set between upper and lower adjacent braced frame (20)
In vallecular cavity, the strip through-hole of perforation twoport frid (22) both sides is opened in the stage casing of the twoport frid (22) in the horizontal direction
(221), it is close in strip through-hole (221) through the heat-conducting plate (40) for having metallic, heat-conducting plate (40) through end positioned at support
Conductance heat block (50) arrangement of frame (20) both sides.
2. soft package power lithium ion battery module according to claim 1, it is characterised in that：Battery battery core (10) both ends
Lug (11) be overhung at between its upper and lower adjacent two braced frame (20), battery battery core (10) and braced frame (20) it
Between setting elastomeric pad (60).
3. soft package power lithium ion battery module according to claim 1, it is characterised in that：The heat-conducting plate (40) is
Aluminium alloy plate, heat-conducting plate (40) are all turned up downwards upwards or all through end and are close to braced frame (20) side wall cloth
It puts, conductance heat block (50) is close to the outer plate surface arrangement that heat-conducting plate (40) turns up part.
4. soft package power lithium ion battery module according to claim 1, it is characterised in that：Described copper mold insert (30) position
It is arranged symmetrically in the both sides of battery battery core (10) both ends lug (11).
5. soft package power lithium ion battery module according to claim 1, it is characterised in that：The twoport frid (22)
Plate face on open up heat emission hole (222), the heat emission hole (222) is arranged in matrix form.
6. soft package power lithium ion battery module according to claim 1, it is characterised in that：The single port frid (21)
Supportive grid (211) is set in the back of notch.
7. the soft package power lithium ion battery module according to claim 1 or 4, it is characterised in that：The copper mold insert
(30) it is copper nut.
8. soft package power lithium ion battery module according to claim 7, it is characterised in that：Single port frid (21) both ends are leaned on
Macropore is opened up at proximal portion, big copper nut (31) is disposed in macropore, big copper nut (31) power supply pole bolt is connected, single port frid
(21) both ends open up aperture by close end center, small copper nut (32) are disposed in aperture, small copper nut (32) is for fixing
The fixing bolt of bus-bar (70) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222969.2A CN105914316B (en) | 2016-04-12 | 2016-04-12 | Soft package power lithium ion battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222969.2A CN105914316B (en) | 2016-04-12 | 2016-04-12 | Soft package power lithium ion battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105914316A CN105914316A (en) | 2016-08-31 |
| CN105914316B true CN105914316B (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610222969.2A Active CN105914316B (en) | 2016-04-12 | 2016-04-12 | Soft package power lithium ion battery module |
Country Status (1)
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018047337A1 (en) * | 2016-09-12 | 2018-03-15 | 株式会社東芝 | Battery unit and vehicular storage battery device |
| CN107611475B (en) * | 2017-09-26 | 2024-05-24 | 湖南海博瑞德电智控制技术有限公司 | Soft package power lithium ion battery module and assembling method thereof |
| CN107968179A (en) * | 2017-12-29 | 2018-04-27 | 北京国能电池科技有限公司 | Battery modules and battery case |
| CN108232071A (en) * | 2017-12-29 | 2018-06-29 | 北京国能电池科技有限公司 | Increase-volume supporting structure and battery case |
| CN108461847B (en) * | 2018-02-06 | 2024-02-09 | 华霆（合肥）动力技术有限公司 | Battery module and battery management system |
| CN108511647A (en) * | 2018-04-13 | 2018-09-07 | 河南省超霸新能源科技有限公司 | A kind of battery bracket of Soft Roll multiple-protection function |
| CN111199943B (en) * | 2018-11-16 | 2021-11-12 | 泰州友润电子科技股份有限公司 | Lead frame and lead frame piles up with supporting positioner thereof |
| CN111599959B (en) * | 2020-05-29 | 2022-04-15 | 安徽江淮汽车集团股份有限公司 | Battery module and light-duty commodity circulation car |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308412A (en) * | 2009-01-19 | 2012-01-04 | 锂电池科技有限公司 | Electrochemical energy storage device |
| CN202616308U (en) * | 2011-12-12 | 2012-12-19 | 北汽福田汽车股份有限公司 | Lithium ion battery parallel connection unit and lithium ion battery module with same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015065043A1 (en) * | 2013-10-30 | 2015-05-07 | 주식회사 엘지화학 | Frame for secondary battery and battery module comprising same |
-
2016
- 2016-04-12 CN CN201610222969.2A patent/CN105914316B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308412A (en) * | 2009-01-19 | 2012-01-04 | 锂电池科技有限公司 | Electrochemical energy storage device |
| CN202616308U (en) * | 2011-12-12 | 2012-12-19 | 北汽福田汽车股份有限公司 | Lithium ion battery parallel connection unit and lithium ion battery module with same |
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| Publication number | Publication date |
|---|---|
| CN105914316A (en) | 2016-08-31 |
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Effective date of registration: 20220413 Address after: 238014 No. 01, Guangtong automobile company yard, Huashan Industrial Park, Chaohu Economic Development Zone, Hefei, Anhui Province Patentee after: Anhui Huipeng New Energy Technology Co.,Ltd. Address before: 230000 factory building 726, Hefei Aviation Industrial Park, 35 Yan'an Road, Baohe District, Hefei City, Anhui Province Patentee before: ANHUI OUPENG BACH NEW ENERGY TECHNOLOGY Co.,Ltd. |
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