CN107154473B - Battery module structure and battery pack - Google Patents
Battery module structure and battery pack Download PDFInfo
- Publication number
- CN107154473B CN107154473B CN201710350644.7A CN201710350644A CN107154473B CN 107154473 B CN107154473 B CN 107154473B CN 201710350644 A CN201710350644 A CN 201710350644A CN 107154473 B CN107154473 B CN 107154473B
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- CN
- China
- Prior art keywords
- battery
- frame
- battery core
- accommodates
- electrode
- 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.)
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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 of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/112—Monobloc comprising multiple compartments
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Abstract
The present invention provides a kind of battery module structure and battery packs, are related to battery technology field.Frame, heat sink mutual cooperation are accommodated by battery core to fix soft pack cell, and can be connected the electrode of soft pack cell by the component that converges, in case connecting with external equipment.The component that converges can be connected using the electrode of ultrasonic bonding realization and soft pack cell, battery core accommodates and is provided with boss on frame, and confluence component can be set on boss and connect with the electrode of soft pack cell, and the structure of single unit system is simple, it is at low cost in groups, without special welding equipment.
Description
Technical field
The present invention relates to battery technology fields, in particular to a kind of battery module structure and battery pack.
Background technique
Soft-package battery has the characteristics that high rate charge-discharge performance, temperature rise are lower, highly-safe.It can be used as electric car
Power resources, in the grouping procedure of existing soft-package battery, not only need the fixation of soft-package battery, while needing to soft-package battery
Electrode carry out soldering, need special welding equipment so that the block structure of existing soft-package battery is complicated, cost in groups
Higher, the space utilization rate in battery pack is lower.
Summary of the invention
In view of this, structure is simple the present invention provides a kind of battery module structure and battery pack, can be realized to Soft Roll
The simple fixed Combination of the structure of battery.
Technical solution provided by the invention is as follows:
A kind of battery module structure, including battery core accommodate frame, confluence component, heat sink, in which:
The battery core accommodates frame and accommodates frame side for accommodating soft pack cell, the battery core and be provided with for being arranged
The boss of confluence component is stated,
The confluence component is arranged on the boss and connect with the electrode of the soft pack cell, and the confluence component is logical
Ultrasonic bonding is crossed to connect with the electrode of the soft pack cell；The confluence component includes the connection connecting with the battery core electrode
Plate and be used for the groups of protruding portion of laser welding；
The heat sink setting accommodates frame side in the battery core, cooperates fixed institute for accommodating frame with the battery core
State soft pack cell；
The battery core accommodates and is provided with the connector for accommodating the electrode of the soft pack cell on frame, and the boss setting exists
The connector side offers the notch with connector cooperation on the heat sink.
Further, it includes multiple battery core holding tanks that the battery core, which accommodates frame, and the confluence component includes for connecting
First busbar connector of two adjacent electrodes of two battery cores and two soft pack cells for accommodating frame both ends with the battery core respectively
Both ends electrode connection the second busbar connector.
Further, the battery core accommodates the electrode isolation being provided on frame for opening the electrode isolation of soft pack cell
Structure, be provided in the electrode isolation structure with first busbar connector or the cooperation of the second busbar connector, with fixation described first
The groove of busbar connector or the second busbar connector.
Further, the battery core accommodates frame and is connected with the heat sink by bolt.
Further, the confluence component is aluminum.
Further, it is plastic cement that the battery core, which accommodates frame,.
Further, the boss includes for accommodating the bending part that frame matches with other battery cores, and the battery core is held
Receive the inner fovea part for being provided on frame and accommodating bending part on frame for accommodating other battery cores.
The present invention also provides a kind of battery pack, the battery pack includes multiple above-mentioned battery module structures, multiple batteries
Modular structure is arranged side by side, and the battery pack further includes coupled components, by coupled components by the confluence group of multiple battery module structures
Part connects, and the coupled components and the confluence component pass through laser welding.
Further, the coupled components are aluminium row, and the protruding portion that the confluence component is offered on the aluminium row matches
The connecting hole of conjunction.
Further, isolated insulation plate is provided between adjacent coupled components.
In the embodiment of the present application, frame is accommodated by battery core, heat sink cooperates and fixes soft pack cell, and passes through
Confluence component can connect the electrode of soft pack cell, in case connecting with external equipment.Confluence component can use supersonic welding
The electrode for connecing realization and soft pack cell connects, and battery core accommodates and is provided with boss on frame, and confluence component can be set on boss
And connect with the electrode of soft pack cell, the structure of single unit system is simple, and it is at low cost in groups, without special welding equipment.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of battery module structure provided in an embodiment of the present invention.
Fig. 2 is a kind of perspective view of the explosion of battery module structure provided in an embodiment of the present invention.
Fig. 3 be in a kind of battery module structure provided in an embodiment of the present invention in a kind of schematic diagram for the component that converges.
Fig. 4 is the schematic diagram of another confluence component in a kind of battery module structure provided in an embodiment of the present invention.
Fig. 5 is the partial schematic diagram in a kind of battery module structure provided in an embodiment of the present invention.
Fig. 6 is the schematic diagram that battery core accommodates frame in a kind of battery module structure provided in an embodiment of the present invention.
Fig. 7 is a kind of schematic diagram of battery pack provided in an embodiment of the present invention.
Fig. 8 is a kind of schematic top plan view of battery pack provided in an embodiment of the present invention.
Icon: 100- battery module structure；101- battery core accommodates frame；1011- bending part；1012- inner fovea part；1013-
Electrode isolation structure；102- heat sink；103- confluence component；1031- connecting plate；1032- protruding portion；104- soft pack cell；
200- battery pack；201- coupled components；202- isolated insulation plate.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
The embodiment of the present application provides a kind of battery module structure 100, and as depicted in figs. 1 and 2, including battery core accommodates frame
101, converge component 103 and heat sink 102.
The battery core accommodates frame 101 and accommodates 101 side of frame for accommodating soft pack cell 104, the battery core and be provided with
For the boss of the confluence component 103 to be arranged.Battery core accommodates frame 101 as the main structure for accommodating battery core, a battery
It may include multiple battery module structures 100 in group 200, the battery core of multiple battery module structures 100 accommodates frame 101 for battery core
It accommodates and fixes, and battery is realized in groups by the electrode of connection soft pack cell 104.Battery core in the embodiment of the present application accommodates frame
Frame 101 accommodates soft pack cell 104 for fixed, and the size that battery core accommodates frame 101 can be according to the practical feelings of soft pack cell 104
Condition determines.
Battery core accommodate frame 101 in can prefabricated formation can support soft pack cell 104 stepped part, by soft pack cell 104
After being placed in battery core receiving frame 101, be fastened heat sink 102, and soft pack cell 104 can be fixed on to battery core receiving
In frame 101.
As shown in Figure 3 and Figure 4, the electricity on the boss and with the soft pack cell 104 is arranged in the confluence component 103
Pole connection, the confluence component 103 are connect by ultrasonic bonding with the electrode of the soft pack cell 104；The confluence component
103 include the connecting plate 1031 connecting with the battery core electrode and for the groups of protruding portion 1032 of laser welding.Converge component
103 for the electrode of soft pack cell 104 to be connect with external other structures, and realization collects the electric energy in soft pack cell 104 simultaneously
It is connect with external structure.Confluence component 103 is connect by connecting plate 1031 with the electrode of soft pack cell 104, and protruding portion is passed through
1032 connect with external equipment, to form battery pack 200.
The setting of heat sink 102 accommodates 101 side of frame in the battery core, for accommodating frame 101 with the battery core
The fixed soft pack cell 104 of cooperation.Heat sink 102 can be manufactured using the plate of good heat conductivity.It can be by battery core
It accommodates and opens up screw hole on frame 101, and open up corresponding screw hole on heat sink 102, using bolt by heat sink 102 and battery core
Contained structure is connected and fixed.
The battery core accommodates and is provided with the connector for accommodating the electrode of the soft pack cell 104, the boss on frame 101
The notch offered on the connector side, the heat sink 102 with connector cooperation is set.Soft pack cell 104
Including two electrodes, it is generally located on the same side of battery core, electrode generally uses made of metal slabbing.It is operated for convenience of welding,
Battery core accommodates and is provided with connector on frame 101, and confluence component 103 is arranged on the boss of connector side, passes through ultrasonic wave
Welding connects the electrode of converge component 103 and soft pack cell 104.In the embodiment of the present application, confluence component 103 can
To use aluminum.The battery core, which accommodates frame 101, can use plastic cement material.
In some embodiments, it may include multiple battery core holding tanks, the remittance that the battery core, which accommodates frame 101,
Stream component 103 includes the first busbar connector for connecting two adjacent electrodes of two battery cores and the soft pack cell with both ends respectively
Second busbar connector of 104 two electrodes connection.Battery module structure 100 provided by the embodiments of the present application can be used as an electricity
The smallest structural unit in pond group 200.The battery core holding tank that battery core accommodates in frame 101 is set side by side, can will be multiple soft
Packet battery core 104 accommodates side by side.
In order to connect the electrode of multiple soft pack cells 104, two neighboring battery core is connected using the first busbar connector
Two neighboring electrode.Connected respectively with two electrodes at the both ends for two soft pack cells 104 for being located at both ends using the second busbar connector
It connects.
In some embodiments, as shown in Figure 5 and Figure 6, the battery core, which accommodates, is provided with for inciting somebody to action on frame 101
The electrode isolation structure 1013 that the electrode isolation of soft pack cell 104 is opened, be provided in the electrode isolation structure 1013 with it is described
First busbar connector or the cooperation of the second busbar connector, with fixation first busbar connector or the groove of the second busbar connector.Soft pack cell 104
Two electrodes cannot be shorted, by be arranged electrode isolation structure 1013, by two electrode isolations of a soft pack cell 104
It opens, avoids two electrode contacts.Meanwhile the first busbar connector or the second busbar connector can be inserted into electrode isolation structure 1013
In the groove of setting, the fixation to the first busbar connector or the second busbar connector is realized by the groove in electrode isolation structure 1013.
In order to realize the combination of multiple battery module structures 100, the boss includes for accommodating frame with other battery cores
101 bending parts 1011 matched, the battery core, which accommodates to be provided on frame 101, accommodates frame 101 for accommodating other battery cores
The inner fovea part 1012 of convex platform.The bending part 1011 that one battery core accommodates 101 convex platform position of frame can be clamped such as another
Battery core accommodates in the inner fovea part 1012 of frame 101, realizes that two battery cores accommodate the combination of frame 101.The bending part 1011 is to set
It sets and accommodates 101 side of frame in battery core, prominent battery core accommodates the protrusion of 101 place plane of frame, in clamping such as another battery core
After accommodating in the inner fovea part 1012 of frame 101, inner fovea part 1012 can be by the activity of limitation bending part 1011, by two electricity
Core accommodates frame 101 and is combined with each other.More battery module structure 100 can pass through bending part 1011 and inner fovea part 1012
Cooperation, combination form battery pack 200.
The embodiment of the present application also provides a kind of battery packs 200, as shown in Figure 7 and Figure 8, including multiple battery module structures
100, matching for above-mentioned bending part 1011 and inner fovea part 1012 specifically can be used in multiple 100 arranged in parallel of battery module structure
Formula realizes combination.
The confluence component 103 of multiple battery module structures 100 is connected by laser welding by coupled components 201.
The coupled components 201 are aluminium row, and the connection that the protruding portion 1032 of the confluence component 103 matches is offered on the aluminium row
Hole.In the embodiment of the present application, using the battery module structure 100 comprising two soft pack cells 104 as the minimum of battery pack 200
Adjacent two electrode of structural unit, two soft pack cells 104 is linked together by the component 103 that converges, and two of both ends
Electrode is separately connected a confluence component 103.Such battery module structure 100 is needed the company of multiple battery module structures 100
Two electrodes being connected together pass through coupled components 201 again and connect.Meanwhile two of the both ends of multiple battery module structures 100
Independent electrode is also connected by a coupled components 201 respectively.Offer connecting hole in coupled components 201, connecting hole it is specific
Position can be determined according to 1032 position of protruding portion for the confluence component 103 for combining later multiple battery module structures 100.It converges
The protruding portion 1032 of stream component 103 can be embedded into the connecting hole of coupled components 201, then pass through Laser Welding for coupled components
201 connect with confluence component 103, realize the combination of multiple soft pack cells 104 in multiple battery module structures 100, are formed
The bigger battery pack 200 of capacity.
Since multiple 201 standoff distances of coupled components are closer, in order to avoid situations such as unexpected short-circuit occurs, adjacent is mutual
Isolated insulation plate 202 is provided between connection component 201.Isolated insulation plate 202 is made using isolation material, by adjacent interconnection group
Part 201 is dielectrically separated from, and avoids occurring short circuit etc. surprisingly.
In conclusion in the embodiment of the present application, accommodating frame 101 by battery core, heat sink 102 cooperates Soft Roll
Battery core 104 is fixed, and can be connected the electrode of soft pack cell 104 by the component 103 that converges, in case connecting with external equipment.
Confluence component 103 can be connect using ultrasonic bonding realization with the electrode of soft pack cell 104, and battery core accommodates to be set on frame 101
It is equipped with boss, confluence component 103 can be set on boss and connect with the electrode of soft pack cell 104, the structure of single unit system
Simply, at low cost in groups, without special welding equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. a kind of battery module structure, which is characterized in that accommodate frame, confluence component, heat sink including battery core, in which:
The battery core accommodates frame and accommodates frame side for accommodating soft pack cell, the battery core and be provided with for the remittance to be arranged
The boss of component is flowed,
The confluence component is arranged on the boss and connect with the electrode of the soft pack cell, and the confluence component passes through super
Sound wave welding is connect with the electrode of the soft pack cell；The confluence component include the connecting plate being connect with the battery core electrode and
For the groups of protruding portion of laser welding；
The heat sink setting accommodates frame side in the battery core, described soft for accommodating frame cooperation fixation with the battery core
Packet battery core；
The battery core accommodates and is provided with the connector for accommodating the electrode of the soft pack cell on frame, and the boss is arranged described
Connector side offers the notch with connector cooperation on the heat sink；
Wherein, it includes multiple battery core holding tanks that the battery core, which accommodates frame, and the confluence component includes for connecting two battery cores
First busbar connector of two adjacent electrodes and accommodated respectively with the battery core frame both ends two soft pack cells both ends
Second busbar connector of electrode connection；
The battery core accommodates the electrode isolation structure being provided on frame for opening the electrode isolation of soft pack cell, the electrode
It is provided on isolation structure and cooperates with first busbar connector or the second busbar connector, converged with fixation first busbar connector or second
Flow the groove of row.
2. battery module structure according to claim 1, which is characterized in that the battery core accommodates frame and the heat sink
It is connected by bolt.
3. battery module structure according to claim 1, which is characterized in that the confluence component is aluminum.
4. battery module structure according to claim 1, which is characterized in that it is plastic cement that the battery core, which accommodates frame,.
5. battery module structure according to claim 1, which is characterized in that the boss includes for holding with other battery cores
The bending part that frame of receiving matches, the battery core, which accommodates to be provided on frame, accommodates bending part on frame for accommodating other battery cores
Inner fovea part.
6. a kind of battery pack, which is characterized in that the battery pack includes battery described in multiple claim 1 to 5 any one
Modular structure, multiple battery module structures are arranged side by side, and the battery pack further includes coupled components, by coupled components by multiple batteries
The confluence component of modular structure connects, and the coupled components and the confluence component pass through laser welding.
7. battery pack according to claim 6, which is characterized in that the coupled components are aluminium row, are opened up on the aluminium row
The connecting hole for thering is the protruding portion of the confluence component to match.
8. battery pack according to claim 6, which is characterized in that be provided with isolated insulation between adjacent coupled components
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350644.7A CN107154473B (en) | 2017-05-18 | 2017-05-18 | Battery module structure and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350644.7A CN107154473B (en) | 2017-05-18 | 2017-05-18 | Battery module structure and battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107154473A CN107154473A (en) | 2017-09-12 |
| CN107154473B true CN107154473B (en) | 2019-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710350644.7A Active CN107154473B (en) | 2017-05-18 | 2017-05-18 | Battery module structure and battery pack |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285980A (en) * | 2018-12-07 | 2019-01-29 | 北京国能电池科技股份有限公司 | Battery modules |
| CN110142508A (en) * | 2019-05-22 | 2019-08-20 | 骆驼集团新能源电池有限公司 | A kind of Soft Roll mould group method for laser welding |
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| US3388007A (en) * | 1966-10-21 | 1968-06-11 | Globe Union Inc | Thin wall polypropylene battery case |
| WO2003015194A1 (en) * | 2001-08-06 | 2003-02-20 | Matsushita Electric Industrial Co., Ltd. | Angular enclosed battery |
| KR20160046597A (en) * | 2014-10-21 | 2016-04-29 | 주식회사 엘지화학 | Frame for secondary battery and battery module including the same |
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| CN104183863B (en) * | 2014-08-07 | 2017-01-11 | 长丰集团有限责任公司 | Soft-packing lithium ion battery module |
| CN205282519U (en) * | 2015-11-20 | 2016-06-01 | 浙江超威创元实业有限公司 | Electric motor car of soft -packaged electrical core module and applied this soft -packaged electrical core module |
| CN205645931U (en) * | 2016-05-05 | 2016-10-12 | 宁德时代新能源科技股份有限公司 | Group battery frame construction |
| CN205911391U (en) * | 2016-08-04 | 2017-01-25 | 北方奥钛纳米技术有限公司 | Laminate polymer battery basis unit module and laminate polymer battery module |
| CN205900680U (en) * | 2016-08-18 | 2017-01-18 | 宁德时代新能源科技股份有限公司 | Structure of converging and battery module |
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2017
- 2017-05-18 CN CN201710350644.7A patent/CN107154473B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3388007A (en) * | 1966-10-21 | 1968-06-11 | Globe Union Inc | Thin wall polypropylene battery case |
| WO2003015194A1 (en) * | 2001-08-06 | 2003-02-20 | Matsushita Electric Industrial Co., Ltd. | Angular enclosed battery |
| KR20160046597A (en) * | 2014-10-21 | 2016-04-29 | 주식회사 엘지화학 | Frame for secondary battery and battery module including the same |
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| Publication number | Publication date |
|---|---|
| CN107154473A (en) | 2017-09-12 |
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Address after: 230601 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Applicant after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230601 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Applicant before: Huating (Hefei) Power Technology Co., Ltd. |
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