CN110544754A - Battery fixing and reinforcing structure based on binder - Google Patents
Battery fixing and reinforcing structure based on binder Download PDFInfo
- Publication number
- CN110544754A CN110544754A CN201910751150.9A CN201910751150A CN110544754A CN 110544754 A CN110544754 A CN 110544754A CN 201910751150 A CN201910751150 A CN 201910751150A CN 110544754 A CN110544754 A CN 110544754A
- Authority
- CN
- China
- Prior art keywords
- battery
- adhesive
- mounting bracket
- batteries
- bus bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 17
- 239000011230 binding agent Substances 0.000 title abstract description 21
- 239000000853 adhesive Substances 0.000 claims abstract description 67
- 230000001070 adhesive effect Effects 0.000 claims abstract description 67
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery fixing and reinforcing structure based on a binder, which comprises: the battery mounting bracket is provided with a bus bar; batteries arranged on the battery mounting bracket and connected in series or in parallel through a bus bar; the adhesive is distributed between adjacent batteries in a dotted, linear and/or planar manner, between the batteries and the battery mounting bracket, between the battery mounting bracket and the bus bar or between the batteries and the bus bar. Through the mode, the battery fixing and reinforcing structure based on the binder is particularly used for reinforcing a connecting and fixing structure when the battery is assembled by using the binder, and by optimizing the distribution points of the binder, the construction of the binder can be facilitated, the using amount of the binder can be saved, the anti-seismic effect can be improved, the connection between a battery electrode and a bus bar and the fixing reliability between the battery and a battery mounting bracket can be ensured, the change of a charging and discharging electric channel after the battery is assembled can be minimized, and the performance is more stable.
Description
Technical Field
The invention relates to the technical field of battery assembly, in particular to a battery fixing and reinforcing structure based on a binder.
Background
In order to increase the storage capacity, the batteries need to be assembled into a battery pack or battery pack, so that a plurality of batteries work together. For example, the tesla electric vehicle adopts thousands of standard cylindrical lithium batteries to provide power supply for the whole vehicle, so that the hundred-kilometer acceleration performance of the tesla electric vehicle can even reach 3.2 seconds, and the tesla electric vehicle has very excellent performance.
Due to the large number of batteries, the stability of the connection of the batteries to the bus bars on the rack is challenged if the electrical connection is achieved by bonding. In current group battery, the fixed dedicated support that utilizes of battery usually, the busbar is fixed through welding or conducting resin on the electrode of battery and the support, and the tie point is comparatively fragile, and the antidetonation effect is poor, breaks off easily and influences power supply system's stability, and the structural style of gluing even is especially obvious, needs the enhancement.
Disclosure of Invention
The invention mainly solves the technical problem of providing a battery fixing and reinforcing structure based on a binder, which can reinforce the fixing effect of a battery and improve the connection reliability of a battery electrode and a bus bar.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided an adhesive-based battery fixation reinforcing structure including:
The battery mounting bracket is provided with a bus bar;
Batteries arranged on the battery mounting bracket and connected in series or in parallel through a bus bar;
The adhesive is distributed among adjacent batteries, between the batteries and the battery mounting bracket, between the battery mounting bracket and the bus bar and/or between the batteries and the bus bar in a dotted, linear or planar manner, and is used for one-to-one or one-to-many structural connection and reinforcement of the batteries, the batteries and the battery mounting bracket, the batteries and the bus bar and the battery mounting bracket and the bus bar, so that the reinforcement and no relative position change among the batteries, the bus bar and the battery mounting bracket are realized.
In a preferred embodiment of the present invention, the electrodes of the battery are electrically connected to the bus bars by welding or conductive adhesive.
in a preferred embodiment of the invention, the adhesive is distributed in a dot, planar or annular linear shape between the electrode of the battery and the bus bar or between the electrode and the battery mounting bracket.
In a preferred embodiment of the present invention, the point-like, planar, or annular linear adhesive is symmetrical with respect to the electrical connection point between the electrode of the battery and the busbar, and the stress is uniformly distributed.
In a preferred embodiment of the present invention, the battery mounting bracket is provided with a positioning groove corresponding to the battery, and the adhesive is distributed on the bottom or the side wall of the positioning groove, so that the battery, the battery mounting bracket and the bus bar are sufficiently and stably fixedly connected through the adhesive.
In a preferred embodiment of the invention, the battery mounting bracket is provided with a plurality of through holes on the back surface, the through holes are positioned below or above the space between two adjacent batteries, the adhesive is positioned in the through holes and is contacted with the two adjacent batteries through the through holes, and after curing, the space between the adjacent batteries is locked, so that the relative position fixing of the adjacent batteries and the relative fixing of the adjacent batteries, the battery mounting bracket and the bus bar are realized.
In a preferred embodiment of the present invention, the bus bar is disposed on a side close to the battery or a side opposite to the battery of the battery mounting bracket, and the bus bar is provided with dispensing process holes corresponding to the through holes.
In a preferred embodiment of the present invention, the adhesive is a structural adhesive, and the structural adhesive includes, but is not limited to, a light-cured structural adhesive, a moisture-cured structural adhesive, a non-heat structural adhesive, and a quick-fixing structural adhesive at a temperature below 60 ℃.
In a preferred embodiment of the present invention, the linear shape includes a linear shape, an arc shape, or a closed loop shape.
The invention has the beneficial effects that: the invention provides a battery fixing and reinforcing structure based on a binder, which particularly adopts the binder to reinforce and quickly fix a connecting and fixing structure when a battery is assembled, and can facilitate the construction of the binder, save the using amount of the binder, improve the anti-seismic effect, ensure the anti-seismic effect in all directions, ensure the connection between a battery electrode and a busbar and the fixing reliability between the battery and a battery mounting bracket by optimizing the distribution points of the binder, minimize the change of a charging and discharging electric channel after the battery is assembled and ensure more stable performance.
Drawings
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a preferred embodiment of an adhesive-based battery securing reinforcement structure according to the present invention;
FIG. 2 is a schematic illustration of the binder distribution of FIG. 1;
Fig. 3 is a schematic diagram of another preferred embodiment of the adhesive distribution in an adhesive-based battery fixation reinforcement structure of the present invention;
Fig. 4 is a schematic diagram of an alternative embodiment of the adhesive distribution in an adhesive-based battery fixation reinforcement structure of the present invention;
Fig. 5 is a schematic diagram of the adhesive distribution in a battery fixation reinforcing structure based on adhesive according to still another preferred embodiment of the present invention.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to fig. 1 to 5, an embodiment of the invention includes:
An adhesive-based battery fixation reinforcement structure comprising: the battery assembly comprises a battery mounting bracket 2, batteries 1 and a binder 5, wherein bus bars 3 are mounted on the battery mounting bracket 2, the batteries are arranged and combined on the battery mounting bracket 2, and the bus bars 3 are connected in series or in parallel to form a battery pack.
The electrodes of the battery 1 are conductively connected to the busbar 3 by welding or by means of a conductive adhesive 8, in which case the use of the adhesive 5 has a better structural reinforcement, in particular for electrically connections which are less reliable in the conductive connection.
the adhesive 5 is distributed between the adjacent batteries 1, between the batteries 1 and the battery mounting bracket 2, between the bus bar 3 and the battery mounting bracket 2 and/or between the batteries 1 and the bus bar 3 in a point-shaped, linear or planar manner, and is used for one-to-one or one-to-many structural connection and reinforcement of the batteries 1 and the batteries, the batteries 1 and the battery mounting bracket 2, the batteries 1 and the bus bar 3, and the battery mounting bracket 2 and the bus bar 3, so that no relative position change among the reinforced batteries 1, the bus bar 3 and the battery mounting bracket 2 is realized. The adhesive is structural adhesive, has high structural stability, can bear large load, and is aging-resistant and long in service life.
example 1:
As shown in fig. 1-2, a plurality of through holes 7 are provided on the back surface of the battery mounting bracket 2, the through holes 7 are located below or above the two adjacent batteries 1 (the through holes 7 shown in fig. 2 are located below the two adjacent batteries 1), and the adhesive 5 is located in the through holes 7 and contacts with the two adjacent batteries through the through holes 7, so that the two adjacent batteries and the battery mounting bracket 2 are glued.
The bus bar 3 is arranged on the battery-near side or the battery-back side of the battery mounting bracket 2 (the bus bar 3 shown in fig. 2 is arranged on the back side of the battery mounting bracket 2), the bus bar 3 is provided with a dispensing process hole 6 corresponding to the through hole 7, so that the adhesive 5 can be conveniently injected, and the connection between the bus bar 3 and the battery mounting bracket 2 is enhanced by the adhesive 5.
Example 2:
as shown in fig. 3, the adhesive 5 is distributed between the electrode of the battery 1 and the bus bar 3 in a point, planar or annular shape, the point or annular adhesive 5 is symmetrical with the electrical connection point of the electrode of the battery and the bus bar as a center, 2 point adhesives 5 can be arranged and distributed symmetrically on both sides of the conductive adhesive 8, and 1 annular adhesive 5 can also be arranged and distributed concentrically outside the conductive adhesive 8, so that the reliability of the conductive adhesive 8 is greatly improved.
Example 3:
be provided with the constant head tank 4 that corresponds with battery 1 on the battery installing support 2, make things convenient for inserting of 1 tip of battery, binder 5 distributes on the bottom or the lateral wall of constant head tank 4, as shown in fig. 4, binder 5 distributes on the lateral wall of constant head tank 4 and with battery 1 excircle contact, has strengthened the stability of battery 1 in constant head tank 4, and it is effectual to combat earthquake.
Example 4:
As shown in fig. 5, the adhesive 5 is distributed between the adjacent batteries 1 in a dot shape, and the bottom of the adhesive 5 can be fixed by contacting with the top surface of the bus bar 3 or the top of the positioning groove 4, so as to strengthen the connection between the adjacent batteries 1 and the connection between the batteries 1 and the bus bar 3 or the positioning groove 4.
the structural adhesive adopted by the adhesive 5 comprises but is not limited to light-cured structural adhesive, moisture-cured structural adhesive, heatless structural adhesive and structural adhesive capable of being rapidly fixed at a temperature of below 60 ℃, so that the adhesive 5 can be dried instantly, the assembly is more efficient, the energy consumption is reduced by cold curing, and the adverse effect on the battery is reduced.
In conclusion, the battery fixing and reinforcing structure based on the binder disclosed by the invention has the advantages that the battery fixing is reinforced through reasonable distribution of the binder, the anti-seismic effect is good, the connection reliability of the battery electrode and the bus bar is improved, the processing is convenient, and the application range is wide.
the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. an adhesive-based battery fixation reinforcing structure, comprising:
the battery mounting bracket is provided with a bus bar;
Batteries arranged on the battery mounting bracket and connected in series or in parallel through a bus bar;
The adhesive is distributed among adjacent batteries, between the batteries and the battery mounting bracket, between the battery mounting bracket and the bus bar and/or between the batteries and the bus bar in a dotted, linear or planar manner, and is used for one-to-one or one-to-many structural connection and reinforcement of the batteries, the batteries and the battery mounting bracket, the batteries and the bus bar and the battery mounting bracket and the bus bar, so that the reinforcement and no relative position change among the batteries, the bus bar and the battery mounting bracket are realized.
2. the adhesive-based battery fixation reinforcing structure according to claim 1, wherein the electrodes of the battery and the bus bars are electrically connected using welding or a conductive adhesive.
3. The adhesive-based battery fixation reinforcing structure as claimed in claim 2, wherein the adhesive is distributed in a spot shape, a planar shape, or a ring shape between the electrode of the battery and the bus bar or between the electrode and the battery mounting bracket.
4. The adhesive-based battery fixation reinforcing structure as claimed in claim 3, wherein the point-like, planar, or circular line-like adhesive is symmetrical with respect to the electrical connection point of the electrode and the bus bar of the battery, and the stress is uniformly distributed.
5. The adhesive-based battery fixation reinforcement structure according to claim 1, wherein positioning grooves corresponding to the batteries are provided on the battery mounting bracket, and the adhesive is distributed on the bottom or the side walls of the positioning grooves.
6. The adhesive-based battery fixation reinforcing structure according to claim 1, wherein the battery mounting bracket is provided at a rear surface thereof with a plurality of through holes, the through holes being located below or above between two adjacent batteries, and the adhesive is located in the through holes and is in contact with the two adjacent batteries through the through holes, so that relative position fixation of the adjacent batteries and relative fixation of the adjacent batteries to the battery mounting bracket and the busbar are achieved.
7. The adhesive-based battery fixation reinforcing structure as claimed in claim 6, wherein the bus bar is provided on a battery mounting bracket on a side near the battery or on a side facing away from the battery, and the bus bar is provided with dispensing holes corresponding to the through holes.
8. The adhesive-based battery fixation reinforcement structure of claim 1, wherein the adhesive is a structural adhesive, and the structural adhesive includes but is not limited to light-cured, moisture-cured, non-heat-cured and fast-fixing structural adhesives at 60 ℃ or lower.
9. the adhesive-based battery fixation reinforcement structure according to claim 1, wherein the linear shape includes a linear shape, an arc-shaped linear shape, or a closed loop-shaped linear shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910751150.9A CN110544754A (en) | 2019-08-15 | 2019-08-15 | Battery fixing and reinforcing structure based on binder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910751150.9A CN110544754A (en) | 2019-08-15 | 2019-08-15 | Battery fixing and reinforcing structure based on binder |
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Publication Number | Publication Date |
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CN110544754A true CN110544754A (en) | 2019-12-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910751150.9A Pending CN110544754A (en) | 2019-08-15 | 2019-08-15 | Battery fixing and reinforcing structure based on binder |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112038555A (en) * | 2020-08-18 | 2020-12-04 | 嘉兴模度新能源有限公司 | Battery like casing pole column parallel structure in battery module |
CN113644385A (en) * | 2021-08-13 | 2021-11-12 | 傲普(上海)新能源有限公司 | Battery cell module assembling method, battery cell module and battery pack |
CN114665205A (en) * | 2022-05-20 | 2022-06-24 | 嘉兴模度新能源有限公司 | Balanced pressure-bearing battery pack, preparation method thereof and structure-integrated battery box |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105552264A (en) * | 2014-10-28 | 2016-05-04 | 丰田合成株式会社 | Battery adhesion-fixation structure |
CN210349912U (en) * | 2019-08-15 | 2020-04-17 | 苏州市捷远动力科技有限公司 | Battery fixing and reinforcing structure based on binder |
-
2019
- 2019-08-15 CN CN201910751150.9A patent/CN110544754A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105552264A (en) * | 2014-10-28 | 2016-05-04 | 丰田合成株式会社 | Battery adhesion-fixation structure |
CN210349912U (en) * | 2019-08-15 | 2020-04-17 | 苏州市捷远动力科技有限公司 | Battery fixing and reinforcing structure based on binder |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112038555A (en) * | 2020-08-18 | 2020-12-04 | 嘉兴模度新能源有限公司 | Battery like casing pole column parallel structure in battery module |
CN113644385A (en) * | 2021-08-13 | 2021-11-12 | 傲普(上海)新能源有限公司 | Battery cell module assembling method, battery cell module and battery pack |
CN114665205A (en) * | 2022-05-20 | 2022-06-24 | 嘉兴模度新能源有限公司 | Balanced pressure-bearing battery pack, preparation method thereof and structure-integrated battery box |
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