CN208336291U - A kind of power lithium battery module of high security - Google Patents
A kind of power lithium battery module of high security Download PDFInfo
- Publication number
- CN208336291U CN208336291U CN201820509399.XU CN201820509399U CN208336291U CN 208336291 U CN208336291 U CN 208336291U CN 201820509399 U CN201820509399 U CN 201820509399U CN 208336291 U CN208336291 U CN 208336291U
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- anode
- battery box
- link slot
- conductive sheet
- positive
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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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Abstract
The utility model provides a kind of power lithium battery module of high security, can orient discharge heat in time in thermal runaway extension, improve the whole protective capacities to thermal runaway state.It includes positive battery box, negative battery box, what is formed after the positive battery box and the negative battery box split interior intracavitary is disposed with several battery cores, the exposed cover in front end of the positive battery box is equipped with anode welding conductive sheet, the front end cover of the anode welding conductive sheet is equipped with positive conductive plate, uniformly distributed anode accommodating location structure is provided in the front end exposed face of the positive battery box, it is connected between adjacent anode accommodating location structure by link slot, corresponding link slot is respectively arranged on the outside of the anode accommodating location structure of two sides, so that whole link slot is connected to outside, the exposed cover in rear end of the negative battery box welds conductive sheet equipped with cathode, the rear end cover of the cathode welding conductive sheet is equipped with isolation barrier conductive plate.
Description
Technical field
The utility model relates to the technical field of lithium battery structure, the dynamic lithium battery mould of specially a kind of high security
Block.
Background technique
As ternary lithium cell is using more and more extensive, corresponding problem also constantly exposes, and internal short-circuit, outer occurs in lithium battery
Portion's shock etc. causes thermal runaway inevitable, therefore how to prevent thermal runaway from extending and spreading particularly significant.When heat occurs in battery core
Out of control or internal short-circuit, internal pressure increase, battery core explosion, the high temperature that the electrolyte in battery core is sprayed and generated.This partial heat product
The thermal runaway extension reaction between battery core and adjacent block around can be caused in the narrow confined space inside battery module by gathering.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of power lithium battery module of high security, in thermal runaway
Discharge heat can be oriented when extension in time, improves the whole protective capacities to thermal runaway state.
A kind of power lithium battery module of high security, it is characterised in that: it includes positive battery box, negative battery box,
What is formed after the positive battery box and the negative battery box split interior intracavitary is disposed with several battery cores, the positive battery box
The exposed cover in front end equipped with anode welding conductive sheet, it is described anode welding conductive sheet front end cover be equipped with positive conductive plate,
Uniformly distributed anode accommodating location structure, adjacent anode accommodating positioning knot are provided in the front end exposed face of the positive battery box
It is connected between structure by link slot, is respectively arranged with corresponding link slot on the outside of the anode accommodating location structure of two sides,
So that whole link slot is connected to outside, the exposed cover in rear end of the negative battery box welds conductive sheet equipped with cathode, described
Cathode welds the rear end cover of conductive sheet equipped with isolation barrier conductive plate.
It is further characterized by: the link slot specifically includes center groove body, edge link slot, the central channel position
The center of the anode accommodating location structure of square shape is formed in every four, the center groove body is by forming ten
The four edges edge link slot of word shape is separately connected the anode accommodating location structure of corresponding position;
The adjacent two anode accommodating location structure and corresponding edge connected vertically at both sides of the edge
Link slot, half center groove body combine to form one group of counter structure, and half center groove body is connected to exterior space, it is ensured that link slot and outside
Smooth connection;
Screw connection position is provided on the positive battery box, the link slot avoids corresponding screw connection position arrangement;
The anode welding conductive sheet is designed with fusing extreme ear structure every battery core anode in parallel position, described in each
The anode of battery core connect arrangement with the fusing extreme ear structure of anode welding conductive sheet;
The battery core is cylindrical electrical core.
After the utility model, after two module splicings, intermodule stops conductive plate and positive battery box by isolation
Link slot formed link slot heat dissipation channel, module negative due to isolation stop conductive plate blocking, cause module negative close
It closes, forms axial isolation, when thermal runaway occurs, heat can not be discharged from the cathode direction of module, and heat can only be along module just
Extreme direction improves the whole protective capacities to thermal runaway state axial direction by being formed by the discharge of link slot heat dissipation channel.
Detailed description of the invention
Fig. 1 is the perspective view explosive view structure schematic diagram of the utility model;
Fig. 2 is the three-dimensional figure structure schematic representation of the utility model;
Fig. 3 is the specific embodiment structural schematic diagram of the positive battery box of the utility model;
Title corresponding to serial number is as follows in figure:
Positive battery box 1, negative battery box 2, battery core 3, anode welding conductive sheet 4, positive conductive plate 5, anode accommodating are fixed
Bit architecture 6, link slot 7, center groove body 71, edge link slot 72, half center groove body 73, cathode welding conductive sheet, isolation barrier
Conductive plate 9, screw connection position 10, fusing extreme ear structure 11.
Specific embodiment
A kind of power lithium battery module of high security, is shown in Fig. 1: it includes positive battery box 1, negative battery box 2, anode
What is formed after 2 split of battery case 1 and negative battery box interior intracavitary is disposed with several battery cores 3, the front end exposed face of positive battery box 1
Lid is equipped with positive conductive plate 5 equipped with anode welding conductive sheet 4, the front end cover of anode welding conductive sheet 4, positive battery box 1
It is provided with uniformly distributed anode accommodating location structure 6 in the exposed face of front end, passes through connection between adjacent anode accommodating location structure 6
Slot 7 connects, and the outside positioned at the anode accommodating location structure 6 of two sides is respectively arranged with corresponding link slot, so that whole company
Access slot connection is external, and the exposed cover in the rear end of negative battery box 2 welds conductive sheet 8 equipped with cathode, after cathode welds conductive sheet 8
End face lid is equipped with isolation barrier conductive plate 9.
Anode welding conductive sheet 4 is designed with fusing extreme ear structure 11, each battery core 3 every battery core anode in parallel position
Anode with anode welding conductive sheet 4 fusing extreme ear structure 11 connect arrangement;
Battery core 3 is cylindrical electrical core.
The specific embodiment form of link slot 7 is as follows: link slot 7 specifically includes center groove body 71, edge link slot 72, in
Heart groove body 71 is located at the center of the anode accommodating location structure 6 of every four composition square shapes, and center groove body 71 passes through
The four edges edge link slot 72 for forming cross shape is separately connected the anode accommodating location structure 6 of corresponding position;Positioned at two sides
Adjacent two anode accommodating location structure 6 and corresponding edge link slot 72 connected vertically, half center groove body 73 at edge
Combination forms one group of counter structure, and half center groove body 73 is connected to exterior space, it is ensured that link slot and external smooth connection;Anode
Screw connection position 10 is provided on battery case 1, link slot 7 is avoided corresponding screw connection position 10 and arranged.
Its working principles are as follows: heat can not be discharged from the cathode direction of module, and heat can only edge when thermal runaway occurs
The positive extreme direction of module has link slot to be formed by the discharge of link slot heat dissipation channel by the design of positive battery box, and it is whole right to improve
The protective capacities of thermal runaway state axial direction;When certain battery core generation thermal runaway self-destruction occurs, the heat released only leads to
Corresponding link slot export is crossed, then outside the structure discharge mould group by the hollow part of module, it is effective to prevent thermal runaway battery core heat
Radial and axial impact, be effectively isolated and protect remaining battery core, effectively prevent thermal runaway from further extending;And due to just
The fusing tab of pole welding conductive sheet is connect with battery core anode, which allows a certain range of electric current (such as 5~30A)
By the way that without generating heat, when overcurrent occurs in battery core, fusing tab is instanteously blown, the work of protection battery core can be played by disconnecting battery core connection
With.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment should not be construed as limiting the practical range of the utility model creation.All create according to the utility model is applied
All the changes and improvements made by range etc., shall still fall within the scope of this patent.
Claims (6)
1. a kind of power lithium battery module of high security, it is characterised in that: it includes positive battery box, negative battery box, institute
State that formed after positive battery box and the negative battery box split interior is intracavitary to be disposed with several battery cores, the positive battery box
The exposed cover in front end is equipped with positive conductive plate, institute equipped with anode welding conductive sheet, the front end cover of the anode welding conductive sheet
It states and is provided with uniformly distributed anode accommodating location structure in the front end exposed face of positive battery box, adjacent anode accommodating location structure
Between by link slot connect, positioned at two sides anode accommodating location structure on the outside of be respectively arranged with corresponding link slot, make
It obtains whole link slot and is connected to outside, the exposed cover in rear end of the negative battery box welds conductive sheet equipped with cathode, described to bear
The rear end cover of conductive sheet is welded equipped with isolation barrier conductive plate in pole.
2. a kind of power lithium battery module of high security as described in claim 1, it is characterised in that: the link slot is specific
Including center groove body, edge link slot, the anode accommodating that the central channel body is located at every four composition square shapes is fixed
The center of bit architecture, the center groove body are separately connected corresponding position by forming the four edges edge link slot of cross shape
It is described anode accommodating location structure.
3. a kind of power lithium battery module of high security as claimed in claim 2, it is characterised in that: be located at both sides of the edge
Adjacent two it is described anode accommodating location structure and corresponding edge link slot connected vertically, half center groove body combination
One group of counter structure is formed, half center groove body is connected to exterior space.
4. a kind of power lithium battery module of high security as claimed in claim 3, it is characterised in that: the positive battery box
On be provided with screw connection position, the link slot avoids corresponding screw connection position arrangement.
5. a kind of power lithium battery module of high security as described in claim 1, it is characterised in that: the anode welding is led
Electric piece is designed with fusing extreme ear structure every battery core anode in parallel position, and the anode of each battery core is welded with anode
The fusing extreme ear structure of conductive sheet connects arrangement.
6. a kind of power lithium battery module of high security as described in claim 1, it is characterised in that: the battery core is cylinder
Battery core.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820509399.XU CN208336291U (en) | 2018-04-11 | 2018-04-11 | A kind of power lithium battery module of high security |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820509399.XU CN208336291U (en) | 2018-04-11 | 2018-04-11 | A kind of power lithium battery module of high security |
Publications (1)
Publication Number | Publication Date |
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CN208336291U true CN208336291U (en) | 2019-01-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820509399.XU Active CN208336291U (en) | 2018-04-11 | 2018-04-11 | A kind of power lithium battery module of high security |
Country Status (1)
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CN (1) | CN208336291U (en) |
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2018
- 2018-04-11 CN CN201820509399.XU patent/CN208336291U/en active Active
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