CN208674305U - A kind of battery modules - Google Patents
A kind of battery modules Download PDFInfo
- Publication number
- CN208674305U CN208674305U CN201821439105.7U CN201821439105U CN208674305U CN 208674305 U CN208674305 U CN 208674305U CN 201821439105 U CN201821439105 U CN 201821439105U CN 208674305 U CN208674305 U CN 208674305U
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- Prior art keywords
- battery core
- battery
- mould group
- basic mould
- safe
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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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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides a kind of battery modules, including basic mould group, and the basic mould group includes at least two concatenated ternary battery cores, and the basic mould group further includes safe battery core, and the safe battery core is connected with ternary battery core；The safe battery core includes lithium manganate battery battery core and/or ferric phosphate lithium cell battery core.The battery modules do not destroy the structure of battery modules script, and structure is simple, simple for production, can effectively block the diffusion of thermal runaway or delay the time of thermal diffusion, substantially increase the safety of battery modules.
Description
Technical field
The utility model belongs to battery technology field, is related to a kind of battery modules.
Background technique
Power lithium-ion battery is widely used in electronic vapour due to the use characteristic of its high energy density and low-carbon
In vehicle battery pack system, and the energy of entire battery pack is huge, and the moment is faced with safe test and challenge in actual use.
Battery pack system monomer on the market mainly uses the rectangular aluminum-shell battery of ternary system at present, there is height
Energy density but security performance it is poor.
In order to improve existing ternary system battery pack system security performance, the method that the prior art uses mainly has
Increase phase-change material, using heat-conducting unit etc..
A kind of battery modules of 107946697 A of CN, comprising: inner casing and shell, it is empty that the inner casing limits battery cell installation
Between, it is provided with heat-conductive assembly and ice chest between the inner casing and the shell, phase-change material is set in the ice chest, for inhaling
It receives or for discharging heat, the inner casing is connected with the first heating member, to be heated to the inner casing, described thermally conductive group
Part is connected with the second heating member, further includes temperature sensor and control unit interconnected to heat to the heat-conductive assembly
Part, wherein the temperature sensor is used to detect the temperature of the inner casing, and generates temperature signal, institute according to the temperature of detection
It states control unit and is electrically connected first heating member, the second heating member, the control unit is according to the temperature signal control
Make first heating member and second heating member work.
A kind of battery modules of 108039437 A of CN, comprising: battery cell and the outer housing for accommodating the battery cell, in
Component for absorbing or discharging thermal energy is set between the battery cell and the outer housing, and the component includes phase transformation material
Material.Wherein, the component is the box body being arranged along the outer housing inner circumferential, is packaged with phase-change material in the box body.Pass through
Phase-change material is set between battery cell and outer housing, and when the temperature is low, phase-change material discharges heat, guarantees the work of battery
Environment temperature.When temperature is high, phase-change material absorbs heat, and the heat of battery is effectively shifted, and guarantees safety.
A kind of battery modules of 107785633 A of CN include: a main unit, including a plurality of batteries, a receiving should
It the frame of a plurality of batteries and two is respectively welded in the conductive component of a plurality of batteries, each battery has an electricity
Pond ontology and two be located at two opposite side of battery body electrode, which is respectively welded in the plural number
A electrode；One shell, an inner surface and an outer surface, the inner surface including being located at two opposite sides define the receiving main body
The room of unit；One first heat-conducting unit, including plural number are installed on the frame, and one end is contacted with the shell, the other end with extremely
The first assembly of few battery body contact；And one second heat-conducting unit, material is insulator, and it is multiple including plural number to be installed on this
Several conductive components, and the second ontology contacted with the inner surface of the shell.
But the above method makes battery module structure complicated.The safety issue for how improving battery modules need
In further research.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of battery modules, the battery
Mould group can effectively block the diffusion of thermal runaway or delay the time of thermal diffusion.
For this purpose, the utility model uses following technical scheme:
One of the purpose of this utility model is to provide a kind of battery modules, including basic mould group, the basic mould group packet
At least two concatenated ternary battery cores are included, the basic mould group further includes safe battery core, the safe battery core and ternary battery core string
Connection；
The safe battery core includes lithium manganate battery battery core and/or ferric phosphate lithium cell battery core.
Battery modules provided by the utility model further include the structure that shell and protection circuit etc. constitute battery modules, due to
Not here, therefore not to repeat here for the improvement of the utility model.
The ternary battery core refers to the battery core being prepared using tertiary cathode material, it is preferable that the ternary battery core packet
NCM battery battery core or NCA battery battery core are included, i.e., the described tertiary cathode material is NCM or NCA.
Position of the safe battery core in basic mould group is two sides and/or middle part.More effectively to block thermal runaway
Spread or delay the time of thermal diffusion.The two sides that the safe battery core is arranged in basic mould group refer to first of basic mould group
Battery core and the last one battery core are safe battery cores.The safe battery core, which is arranged in the middle part of basic mould group, refers to safe battery core setting
There are 11 battery cores in the position other than first battery core and the last one battery core, such as basic mould group, by basic mould group
1st, the 6th and the 11st battery core is set as safe battery core.
Every ternary battery core one safe battery core of series connection in the basic mould group.
Every 2 ternary battery cores one safe battery cores of series connection in the basic mould group.
It connects a safe battery core in the basic mould group every n/2 ternary battery core, n is the number of ternary battery core, and n
Greater than 2.
The safe battery core can also be configured every the indefinite ternary battery core of numerical value.
The two of the purpose of this utility model are to provide a kind of battery modules, and the battery modules include at least two in parallel
Basic mould group.The number of parallel of the basic mould group can be 2,3,4,6,8,10 or 20 etc..
The basic mould group includes x lithium manganate battery battery core and y ferric phosphate lithium cell battery core；X >=0, y >=0, x and y
It is integer, and x and y are not 0 simultaneously.The x can be 1,2,4,6,8,10 or 20 etc., the y can for 3,6,8,10 or
30 etc..
The safe battery core number of each basic mould group is identical in described at least two basic mould groups in parallel, each basic mould
The numerical value of the x of group is identical, and the numerical value of y is identical, and the voltage to guarantee each basic mould group is identical.
Of ternary battery core in described at least two basic mould groups in parallel between the safe battery core of each basic mould group
Number is not identical.This setting enables to safe battery core being more evenly distributed in battery modules, preferably blocks the diffusion of thermal runaway
Or delay the time of thermal diffusion.
Numberical range described in the utility model not only includes enumerated point value, further include do not include it is above-mentioned
Arbitrary point value between numberical range, as space is limited and for concise consideration, described in the utility model no longer exclusive list
The specific point value that range includes.
Compared with prior art, the utility model has the following beneficial effects:
Battery modules provided by the utility model can effectively block the diffusion of thermal runaway or delay the time of thermal diffusion, greatly
The safety of battery modules is improved greatly.
The structure of battery modules provided by the utility model is simple, simple for production.
Detailed description of the invention
The connection schematic diagram of battery core in the battery modules that Fig. 1 provides for embodiment 1.
Fig. 2 is the structural schematic diagram for the battery modules that embodiment 1 provides.
Wherein: 1, safe battery core；2, ternary battery core；3, battery core negative terminal；4, battery core positive terminal；5, the total plus end of mould group；
6, mould group total negative terminal；7, battery core voltage inspecting lines；8, mould group side plate.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
A kind of battery modules, as depicted in figs. 1 and 2, including a basic mould group and mould group side plate 8, electricity in basic mould group
Core is connected by busbar, and battery core positive terminal 4 draws the total plus end 5 of mould group and battery core negative terminal 3 draws mould group total negative terminal 6；
Battery core voltage inspecting lines 7 monitor the voltage of each battery and the temperature of whole mould group；There is the protection of mould group side plate 8 in basic mould group side
And fixed overall structure；The basic mould group is electric including 8 concatenated ternary battery cores 2 and with concatenated 3 safety of ternary battery core
1st, the 6th and the 11st battery core of core 1, basic mould group is set as safe battery core 1.
The ternary battery core is battery core of the NCM as positive electrode.The safe battery core is that LiFePO4 is positive
The battery core of material.
Embodiment 2
A kind of battery modules, including mould group side plate and a basic mould group, battery core is connected by busbar in basic mould group,
Draw the total plus end of mould group and mould group total negative terminal；Battery core voltage inspecting lines monitor the voltage of each battery and the temperature of whole mould group
Degree；Basic mould group side has mould group side plate to protect and fix overall structure；The basic mould group includes 4 concatenated ternary battery cores
With a safe battery core, ternary battery core is connected with safe battery core, and the ternary battery core number of safe battery core tandem is 2.
The ternary battery core is battery core of the NCM as positive electrode.The safe battery core is that LiMn2O4 is positive material
The battery core of material.
Comparative example 1
A kind of battery modules, in addition to safe battery core is replaced with ternary battery core described in embodiment 1, remaining and embodiment 1
It is identical.
First battery core of battery modules described in needle thorn embodiment 1, embodiment 2 and comparative example 1, causes thermal runaway, right
Battery core thermal runaway time interval is 1min, 45s, 35s and 27s in battery modules described in ratio 1, and entire mould group is all hot in 3min
It is out of control；Then second battery core after first battery core thermal runaway only occurs voltage and falls 0 battery modules described in embodiment 1, and heat is lost
Control diffusion is blocked.Then thermal runaway, third battery core occur embodiment 2 for second battery core after first battery core thermal runaway 1min
The same voltage that only occurs falls 0, and thermal runaway diffusion is blocked.
Embodiment 3
A kind of battery modules, including the basic mould group in parallel of mould group side plate and two: the first basic mould group and second is substantially
Mould group, the battery core in the first basic mould group and the second basic mould group pass through busbar and connect, and draw the total plus end of mould group and mould group
Total negative terminal；Battery core voltage inspecting lines monitor the voltage of each battery and the temperature of whole mould group；Two basic mould groups in parallel
Side has mould group side plate to protect and fix overall structure；Pass through the total plus end of mould group and mould group between first mould group and the second mould group
Total negative terminal is in parallel；First basic mould group and the second basic mould group include two ternary battery cores and a safe battery core, and
Three's series connection, safe battery core are set between two ternary battery cores；
The ternary battery core includes battery core of 2 NCM as the battery core of positive electrode and 2 NCA as positive electrode.Institute
Stating safe battery core is the battery core that LiFePO4 is positive electrode.
Embodiment 4
A kind of battery modules, including the basic mould group in parallel of mould group side plate and 5: the first basic mould group, the second basic mould
The basic mould group of group, third, the 4th basic mould group and the 5th basic mould group；Battery core in each basic mould group is gone here and there by busbar
Connection draws the total plus end of mould group and mould group total negative terminal；Battery core voltage inspecting lines monitor the voltage and entirety mould group of each battery
Temperature；5 basic mould group sides in parallel have mould group side plate to protect and fix overall structure；Pass through mould group between each mould group
Total plus end and mould group total negative terminal are in parallel；Each basic mould group includes 10 concatenated ternary battery cores, further includes 3 safety electricity
Core, the safe battery core are connected with ternary battery core；
The ternary battery core of each basic mould group includes 4 NCM as the battery core of positive electrode and 6 NCA and is used as positive material
The battery core of material.The safe battery core of each basic mould group includes that the battery core that 1 LiMn2O4 is positive electrode and 2 LiFePO4s are positive
The battery core of pole material.
A safe battery core is arranged every 3 ternary battery cores in first basic mould group；
A safe battery core is arranged every 2 ternary battery cores in second basic mould group；
Third basic mould group two sides are safe battery core, between another safe battery core setting and ternary battery core, three peaces
Ternary battery core number between full battery core is identical；
A safe battery core is arranged every a ternary battery core in 4th basic mould group；
Ternary battery core number between 5th three safe battery cores of basic mould group is respectively 1,2 and 4；
Embodiment 5
A kind of battery modules, including the basic mould group in parallel of mould group side plate and 3, the first basic mould group, the second basic mould
Group and the basic mould group of third；Battery core in each basic mould group is connected by busbar, draws the total plus end of mould group and mould group is total
Negative terminal；Battery core voltage inspecting lines monitor the voltage of each battery and the temperature of whole mould group；3 basic mould group sides in parallel
There is mould group side plate to protect and fix overall structure；It is in parallel by the total plus end of mould group and mould group total negative terminal between each mould group；
Each basic mould group includes 15 concatenated ternary battery cores, further includes 3 safe battery cores, safe battery core is connected with ternary battery core；
The ternary battery core is the battery core using NCA as positive electrode.The safe battery core is that LiFePO4 is positive material
The battery core of material.
Ternary battery core number in each basic mould group between safe battery core is successively 2,3 and 6.
Needle pierces first battery core of a basic mould group in battery modules described in embodiment 3-5, causes thermal runaway, due to
The setting of safe battery core can effectively block the diffusion of thermal runaway or delay the time of thermal diffusion, to substantially increase electricity
The safety of Chi Mo group.
The Applicant declares that the foregoing is merely specific embodiment of the present utility model, but the protection model of the utility model
It encloses and is not limited thereto, it should be clear to those skilled in the art, any to belong to those skilled in the art and exist
In the technical scope that the utility model discloses, any changes or substitutions that can be easily thought of, all falls within the protection scope of the utility model
Within the open scope.
Claims (10)
1. a kind of battery modules, including basic mould group, the basic mould group includes at least two concatenated ternary battery cores, feature
It is, the basic mould group further includes safe battery core, and the safe battery core is connected with ternary battery core；
The safe battery core includes lithium manganate battery battery core and/or ferric phosphate lithium cell battery core.
2. battery modules according to claim 1, which is characterized in that the ternary battery core includes NCM battery battery core or NCA
Battery battery core.
3. battery modules according to claim 1, which is characterized in that position of the safe battery core in basic mould group is
Two sides and/or middle part.
4. battery modules according to claim 1, which is characterized in that every a ternary battery core string in the basic mould group
Join a safe battery core.
5. battery modules according to claim 1, which is characterized in that every 2 ternary battery core strings in the basic mould group
Join a safe battery core.
6. battery modules according to claim 1, which is characterized in that every n/2 ternary battery core in the basic mould group
One safe battery core of series connection, n is the number of ternary battery core, and n is greater than 2.
7. battery modules described in one of -6 according to claim 1, which is characterized in that the battery modules include at least two simultaneously
The basic mould group of connection.
8. battery modules according to claim 7, which is characterized in that the basic mould group includes x lithium manganate battery electricity
Core and y ferric phosphate lithium cell battery core；X >=0, y >=0, x and y are integer, and x and y are not 0 simultaneously.
9. battery modules according to claim 8, which is characterized in that each in described at least two basic mould groups in parallel
The safe battery core number of basic mould group is identical, and the numerical value of the x and y of each basic mould group are identical.
10. battery modules according to claim 7, which is characterized in that every in described at least two basic mould groups in parallel
Ternary battery core number between the safe battery core of a basic mould group is not identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439105.7U CN208674305U (en) | 2018-09-04 | 2018-09-04 | A kind of battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439105.7U CN208674305U (en) | 2018-09-04 | 2018-09-04 | A kind of battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674305U true CN208674305U (en) | 2019-03-29 |
Family
ID=65841589
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821439105.7U Active CN208674305U (en) | 2018-09-04 | 2018-09-04 | A kind of battery modules |
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| Country | Link |
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| CN113060019A (en) * | 2021-03-17 | 2021-07-02 | 蜂巢能源科技有限公司 | Power battery pack and control method thereof |
| CN113594636A (en) * | 2020-04-30 | 2021-11-02 | 宁德时代新能源科技股份有限公司 | Battery, device, and method and apparatus for manufacturing battery |
| CN113594615A (en) * | 2020-04-30 | 2021-11-02 | 宁德时代新能源科技股份有限公司 | Battery pack and device comprising same |
| CN114335837A (en) * | 2021-12-31 | 2022-04-12 | 远景动力技术(江苏)有限公司 | Battery pack |
| WO2022133962A1 (en) * | 2020-12-24 | 2022-06-30 | 宁德时代新能源科技股份有限公司 | Battery set, battery pack, electrical apparatus, and fabrication method and fabrication device for battery set |
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| EP4027444A1 (en) * | 2021-01-08 | 2022-07-13 | Nio Technology (Anhui) Co., Ltd | Battery pack, method and vehicle |
| CN114914617A (en) * | 2021-02-09 | 2022-08-16 | 荣耀终端有限公司 | Battery and electronic equipment |
| WO2022226974A1 (en) * | 2021-04-30 | 2022-11-03 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, electrical apparatus, and manufacturing method and device for battery module |
| WO2022247437A1 (en) * | 2021-05-28 | 2022-12-01 | 蜂巢能源科技股份有限公司 | Battery module and battery pack |
| WO2023130215A1 (en) * | 2022-01-04 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Hybrid series-connected battery module, battery pack and electrical apparatus |
| US11764436B2 (en) | 2021-03-31 | 2023-09-19 | Contemporary Amperex Technology Co., Limited | Battery module, battery pack, electric apparatus, and method and device for manufacturing battery module |
| US11804637B2 (en) | 2021-04-26 | 2023-10-31 | Contemporary Amperex Technology Co., Limited | Battery module, battery pack, electric apparatus, and method and device for manufacturing battery module |
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2018
- 2018-09-04 CN CN201821439105.7U patent/CN208674305U/en active Active
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| CN113594615A (en) * | 2020-04-30 | 2021-11-02 | 宁德时代新能源科技股份有限公司 | Battery pack and device comprising same |
| CN113594637A (en) * | 2020-04-30 | 2021-11-02 | 宁德时代新能源科技股份有限公司 | Battery module, device, battery pack, and method and apparatus for manufacturing battery module |
| WO2021218814A1 (en) | 2020-04-30 | 2021-11-04 | 宁德时代新能源科技股份有限公司 | Battery, apparatus, battery production method, and device |
| WO2021218865A1 (en) | 2020-04-30 | 2021-11-04 | 宁德时代新能源科技股份有限公司 | Battery module, apparatus, battery pack, and manufacturing method and device for battery module |
| US12002984B2 (en) | 2020-09-30 | 2024-06-04 | Contemporary Amperex Technology Co., Limited | Battery, apparatus, and preparation method and preparation apparatus of battery |
| US11990592B2 (en) | 2020-11-17 | 2024-05-21 | Contemporary Amperex Technology Co., Limited | Battery, apparatus using battery, and manufacturing method and manufacturing device of battery |
| CN114982027B (en) * | 2020-12-24 | 2023-08-04 | 宁德时代新能源科技股份有限公司 | Battery pack, battery pack, electric device, and method and apparatus for manufacturing battery pack |
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| WO2022133960A1 (en) * | 2020-12-24 | 2022-06-30 | 宁德时代新能源科技股份有限公司 | Battery pack, battery package, electrical apparatus, and method and device for fabricating battery pack |
| WO2022133962A1 (en) * | 2020-12-24 | 2022-06-30 | 宁德时代新能源科技股份有限公司 | Battery set, battery pack, electrical apparatus, and fabrication method and fabrication device for battery set |
| EP4027444A1 (en) * | 2021-01-08 | 2022-07-13 | Nio Technology (Anhui) Co., Ltd | Battery pack, method and vehicle |
| US20220223901A1 (en) * | 2021-01-08 | 2022-07-14 | Nio Technology (Anhui) Co., Ltd | Battery pack, method and vehicle |
| CN114914617A (en) * | 2021-02-09 | 2022-08-16 | 荣耀终端有限公司 | Battery and electronic equipment |
| WO2022194253A1 (en) * | 2021-03-17 | 2022-09-22 | 蜂巢能源科技股份有限公司 | Power battery pack and control method therefor |
| CN113060019A (en) * | 2021-03-17 | 2021-07-02 | 蜂巢能源科技有限公司 | Power battery pack and control method thereof |
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| WO2022226974A1 (en) * | 2021-04-30 | 2022-11-03 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, electrical apparatus, and manufacturing method and device for battery module |
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| CN114335837A (en) * | 2021-12-31 | 2022-04-12 | 远景动力技术(江苏)有限公司 | Battery pack |
| US11799136B2 (en) | 2022-01-04 | 2023-10-24 | Contemporary Amperex Technology Co., Limited | Hybrid series battery module, battery pack, and electrical apparatus |
| WO2023130215A1 (en) * | 2022-01-04 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Hybrid series-connected battery module, battery pack and electrical apparatus |
| US12034176B2 (en) | 2022-11-10 | 2024-07-09 | Contemporary Amperex Technology Co., Limited | Battery, apparatus, and preparation method and preparation apparatus of battery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210730 Address after: 352100 Xingang Road, Zhangwan Town, Jiaocheng District, Ningde, Fujian 2 Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |