CN109994676A - A kind of battery core holding element - Google Patents
A kind of battery core holding element Download PDFInfo
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- CN109994676A CN109994676A CN201811466749.XA CN201811466749A CN109994676A CN 109994676 A CN109994676 A CN 109994676A CN 201811466749 A CN201811466749 A CN 201811466749A CN 109994676 A CN109994676 A CN 109994676A
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- Prior art keywords
- heat
- conducting
- tab
- battery core
- conducting plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M50/256—Carrying devices, e.g. belts
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of battery modules battery core holding elements, battery core holding element includes heat-conducting plate, and end plate and tab support conducting element, and heat-conducting plate includes heat-conducting plate main body and heat-conducting plate side plate, heat-conducting plate main body and heat-conducting plate side plate are integrally formed to form U-shape configuration, for accommodating battery core.Heat-conducting plate side plate is equipped with step section, adjacent battery core holding element overlapping is more firm, end plate and tab support conducting element and the injection molding of heat-conducting plate main body, tab supports inside conducting element integrally formed with metal bolumn cap, metal bolumn cap is equipped with screw hole or stud, metal bolumn cap is rectangular or round, tab is welded and fixed with confluence piece, confluence piece is constructed by screw screw hole or stud bolt structure is fixed on tab and supports on conducting element, cell polar ear of the invention is fixedly secured on tab support conducting element, and it is not required to bending, battery core is highly-safe, maintenance is convenient, heat-conducting plate is integrally molded so as a component, high production efficiency, weight is low, the capacity of heat transmission is high.
Description
(1) technical field
The present invention relates to a kind of lithium ion battery mould group more particularly to a kind of battery modules battery core holding elements.
(2) background technique
Since lithium ion battery has many advantages, such as that voltage is higher, energy density height and cycle performance are high, more and more extensive
Ground is applied to the dynamical system of electric vehicle.Lithium ion battery is that the important component of energy is provided for electric vehicle,
The working performance of lithium ion battery has been largely fixed the performance of entire electric vehicle.
In practical applications, the battery unit of lithium ion battery carries out series-parallel, different change battery lists according to demand
The quantity of member forms battery modules.When the battery unit of lithium ion battery carries out series-parallel, usually pass through soldering or ultrasound
Wave soldering directly welds positive and negative tab.Battery modules obtained are light-weight in this way, and energy density is high, but battery
Mould group because tab bonding area it is smaller, high current by when fever it is very big, and because electric vehicle in reality
Pitch is bigger during use, and the material is soft for tab, and structural stability is bad, and battery plus-negative plate ear may occur
Collision short circuit, thus cause safety accident.It is to increase that the battery unit of lithium ion battery, which carries out another series-parallel mode,
The independent insulation board component with tab slot and confluence chip part, i.e., by tab after being passed through in the tab slot of insulation board component,
Tab is fixed on confluence chip part by the tab slot being then passed through on confluence chip part using the method for welding again later.It is this
Mode, although can increase the contact area of tab and the piece that converges to a certain extent, calorific value is relatively when high current passes through
It is small, but because of tab, the material is soft, and tab is continued to pass through insulation board component and confluence chip part is very complicated, assembly effect
Rate is low, and insulation board component is independent, and the fixation between insulation board and battery modules does not have very good solution method, electronic
When vehicles pitch, it is easy to loosen, there are some potential safety problemss.
Meanwhile it being pressed in existing soft bag lithium ionic cell mould group mainly including single battery, fixed frame and heat sink
It stacks gradually and is fixed together according to the sequence of heat sink, single battery, fixed frame, single battery and heat sink.Using this
When kind mode is stacked, fixed frame and heat sink are independent component, and occupancy volume is relatively large, heavier-weight, energy
Density reduces, and assembly efficiency is lower.In addition, fixed frame and heat sink generally have bigger assembly in assembly
Error causes the heat dissipation effect of battery modules bad, and has some potential safety problems.
Therefore, studying a kind of novel battery mould group battery core holding element has been urgent need.
(3) summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of battery modules battery core holding element, this battery modules
With battery core holding element to the support good fixing effect of tab, flow conductivity is strong, and thermally conductive fast, weight is low, and energy density is high, structure
Simply, assembly efficiency is high, structural strength is high and maintenance facilitates.
To achieve the above object, the technical solution of the present invention is as follows: a kind of battery modules battery core holding element, the battery core
Holding element includes heat-conducting plate, and end plate and tab support conducting element, the heat-conducting plate include integrally formed heat-conducting plate main body and
Heat-conducting plate side plate, heat-conducting plate main body and heat-conducting plate side plate form U-shape configuration, and end plate and tab support conducting element are fixedly arranged on heat-conducting plate
Main body is provided on the metal bolumn cap and is used for integrally formed at least one metal bolumn cap inside tab support conducting element
The piece that converges is fixed on the fixation device on tab support conducting element, the metal bolumn cap is rectangular or round, the tab of battery core
It is fixedly connected by welding with confluence piece.In this way, the U-shaped knot that battery core monomer can be packed into heat-conducting plate main body and heat-conducting plate side plate is formed
Structure plays fixed function to battery core monomer.Heat-conducting plate main body and heat-conducting plate side plate become a component, compared to the prior art in
Two components of heat sink and fixed frame, can greatly improve assembly efficiency, reduce rigging error, reduce weight, improve energy
Metric density, and it is more advantageous to heat dissipation.After confluence piece and tab are fixed, then will remittance by being provided with fixed structure on metal bolumn cap
Flow is fixed on metal bolumn cap, and then tab and confluence piece can be fixedly secured on tab support conducting element, be reached to tab
Support and fix effect, avoid tab from damaging in pitch.The end plate be conducive to battery core holding element positioning and
It is fixed.Tab support conducting element can be set to the identical of heat-conducting plate main body according to the relative position of battery core anode ear and negative electrode lug
Side is not ipsilateral.The tab and confluence piece of battery core are fixedly connected by welding, so that tab is not necessarily to bending, tab and confluence piece connect
It connects securely, and battery pack is lighter, energy density is also higher.
It is of the invention to be further characterized in that the fixed structure is screw Screw hole structure.
Further, screw hole is provided on the metal bolumn cap, the confluence on piece is equipped with through-hole accordingly.
Further, the confluence piece is fixed on the tab by screw corresponding with the screw hole and supports conducting element
On.In this way, being fixedly secured between tab, confluence piece and metal bolumn cap by screw Screw hole structure.When battery modules maintenance simultaneously,
Screw Screw hole structure is also beneficial to the replacement of failure battery core monomer, avoids whole scrap.
It is of the invention to be further characterized in that the fixed structure is stud bolt arrangement.
Further, stud is provided on the metal bolumn cap, the confluence on piece is equipped with through-hole accordingly.
Further, the confluence piece is fixed on the tab by bolt corresponding with the stud and supports conducting element
On.In this way, being fixedly secured between tab, confluence piece and metal bolumn cap by stud bolt arrangement.When battery modules maintenance simultaneously,
Stud bolt arrangement is also beneficial to the replacement of failure battery core monomer, avoids whole scrap.
It is of the invention to be further characterized in that the confluence piece is U-shaped or L shape.
It is of the invention to be further characterized in that the end plate and tab support conducting element are ipsilateral.In this way, helping to reduce electricity
The height of Chi Mo group, reduces the volume of battery modules, and is not take up the position of heat-conducting plate side plate, is conducive to consolidating for battery core monomer
It is fixed.End plate and tab support conducting element quantity respectively at least there are two.According to the design requirement of battery core, end plate and tab support
Conducting element may be alternatively located at not ipsilateral.
It is of the invention to be further characterized in that the end plate and tab support conducting element are integrally formed.In this way, dress can be reduced
With process, and end plate and tab support conducting element are stronger in conjunction with heat-conducting plate main body.According to design requirement, end plate and pole
Auricular branch support conducting element can also be separately formed.
It is of the invention to be further characterized in that the end plate and tab support conducting element are molded into the heat-conducting plate mainboard
Type.In this way, end plate and tab support conducting element are firmly combined with heat-conducting plate main body, it is easy to assembly efficient.
The material of the invention for being further characterized in that the end plate and tab support conducting element is insulating materials.In this way,
Avoidable short circuit causes security risk.
It is of the invention to be further characterized in that the insulating materials is ABS, PP, PPO or insulating epoxy plate.In this way, the end plate
With tab support conducting element other than with preferable insulation performance, intensity also with higher plays better support
And fixed function.
It is of the invention to be further characterized in that the metal bolumn cap close to the side of the tab and opposite side not by the insulation
Material covering.In this way, metal bolumn cap is directly to contact with tab and confluence piece, internal resistance can be further decreased, improves water conservancy diversion energy
Power.
In this way, multiple battery core holding elements can be securely solid in a certain order under the action of battery modules support rod
It is fixed.
Of the invention be further characterized in that on the end plate is provided with auxiliary securing member.In this way, firmware is auxiliarily fixed
Under effect, multiple battery core holding elements can be further fixedly secured.
Of the invention be further characterized in that on the end plate is provided with position limiting pile.
It is of the invention to be further characterized in that the position limiting pile and the end plate are integrally formed.In this way, being conducive to improve production effect
Rate, and battery weight is reduced, improve battery energy density.
It is of the invention be further characterized in that the position limiting pile at least there are two.In this way, at least two position limiting piles are more advantageous to electricity
Core holding element is positioned, and is more advantageous to battery assembly and is matched.
Of the invention to be further characterized in that the end plate is provided with limit hole, the limit hole matches adjacent battery core holding element
On the position limiting pile.In this way, playing the work of positioning to battery core holding element under the collective effect of position limiting pile and limit hole
With being more advantageous to battery assembly and match.
It is of the invention to be further characterized in that the limit hole and the end plate are integrally formed.In this way, being conducive to improve production effect
Rate.
It is of the invention to be further characterized in that the end plate is provided with empty slot.In this way, the weight of end plate can be reduced, battery pack is reduced
Weight, improve the energy density of battery.
It is of the invention to be further characterized in that the tab support conducting element is provided with empty slot.It is led in this way, tab support can be reduced
The weight for flowing part, reduces the weight of battery pack, improves the energy density of battery.
It is of the invention to be further characterized in that the tab support conducting element and the tab on the heat-conducting plate main direction
Concordantly.In this way, can avoid lug bending and damage tab.
It is of the invention to be further characterized in that the heat-conducting plate main body is identical with heat-conducting plate side plate thickness.In this way, rapid shaping institute
State heat-conducting plate.
The material of the invention for being further characterized in that the heat-conducting plate main body and heat-conducting plate side plate is metal.In this way, heat can
It imports or exports from heat-conducting plate main body and heat-conducting plate side plate rapidly, and then control battery core temperature.In addition, metal is also with higher
Intensity, and for soft-package battery, battery core monomer is softer, and battery core packaging film is easy to be punctured, thus metal is conducive to protect battery core
Monomer avoids being punctured, and also helps to avoid squeezing mutually between battery core monomer when battery core stacks.
It is of the invention to be further characterized in that the metal is one of copper, iron, aluminium and its alloy or a variety of.In this way, thermally conductive
Performance is good, and intensity is higher, and production easy to process, and cost is relatively low.
It is of the invention to be further characterized in that the heat-conducting plate side plate includes the first segment connecting with heat-conducting plate main body, step section and
Second segment far from heat-conducting plate main body, wherein first segment and second segment are vertical with heat-conducting plate main direction.In this way, being led when adjacent
When hot plate is in contact, outer wall that the inner wall of heat-conducting plate side plate second segment can directly with the heat-conducting plate side plate first segment of adjacent heat-conducting plate
It fits, multiple heat-conducting plate relative positions being overlapped mutually can both fixed, thus to battery cell therein is accommodated
It is positioned and is fixed, and be conducive to battery cell heat dissipation and heating, and maintain temperature relative equilibrium between each battery cell.
It is of the invention to be further characterized in that the heat-conducting plate side plate is being greater than electricity perpendicular to the length on heat-conducting plate main direction
The thickness of core, battery core at least one side and heat-conducting plate body contact.In this way, being put into of being not under compression of battery core by heat-conducting plate main body and
The U-shape configuration that heat-conducting plate side plate is constituted, and battery core at least one side and heat-conducting plate body contact, and the heat that battery core is generated
The export of heat-conducting plate main body can be run through or battery core can be heated by heat-conducting plate.
The step pitch of the invention for being further characterized in that the step section is identical as the thickness of the heat-conducting plate side plate.In this way, leading
It when hot plate is superimposed, is more advantageous to heat-conducting plate side plate and is bonded with the heat-conducting plate of adjacent heat-conducting plate, be overlapped mutually to be more advantageous to
Multiple heat-conducting plate relative positions are fixed, and are more favorable to thermally conductive.
(4) Detailed description of the invention
Fig. 1 is that the present invention is provided with the battery core holding element of screw screw hole construction and the structure of the formed battery pack of battery core is shown
It is intended to.
Fig. 2 is that the present invention is provided with the battery core holding element of stud bolt structure and the structure of the formed battery pack of battery core is shown
It is intended to.
In figure: 1- battery core holding element, 11- heat-conducting plate, 111- heat-conducting plate main body, 112- heat-conducting plate side plate, 1121- are thermally conductive
Plate side plate first segment, 1122- heat-conducting plate side plate step section, 1123- heat-conducting plate side plate second segment, 12- end plate, 121- fixation hole,
122- auxiliary securing member, 123- position limiting pile, 124- limit hole, 125- end plate empty slot, 13- tab support conducting element, 131- gold
Belong to bolumn cap, 1311- screw hole, 1312- screw, 1313- stud, 1314- bolt, 132- tab support conducting element empty slot, 14- confluence
Piece, 141- through-hole, 2- battery core, 21- tab.
(5) specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment one:
As shown in Figure 1, the present invention provides a kind of battery modules battery core holding element 1, battery core holding element 1 includes thermally conductive
Plate 11, heat-conducting plate 11 include heat-conducting plate main body 111 and heat-conducting plate side plate 112, heat-conducting plate main body 111 and heat-conducting plate side plate 112 1
It is body formed, and U-shape configuration is formed, so that the assembly efficiency of battery core holding element 1 is higher, weight saving, energy density is higher, U
Shape constructs but also battery core is more stable safer.Heat-conducting plate main body 111 is identical with the thickness of heat-conducting plate side plate 112, material therefor
For metal, this metal is aluminium alloy, allows the heat of battery core 2 fast by heat-conducting plate main body 111 and heat-conducting plate side plate 112
Speed is exchanged with outside batteries heat, maintains battery core heat balance, and the heat-conducting plate main body 111 and heat-conducting plate side plate of metal material
112 can protect battery core 2, and battery core 2 is avoided to be destroyed.Heat-conducting plate side plate 112 is perpendicular to the length on 111 direction of heat-conducting plate main body
Degree is greater than the thickness of battery core 2, and the one side of battery core 2 contacts with heat-conducting plate main body 111, even if so that battery core 2 generate heat at work it is swollen
It is swollen to be squeezed, while the heat for being also beneficial to battery core 2 is exchanged with outside batteries heat.Heat-conducting plate side plate 112 includes
The first segment 1121 being connect with heat-conducting plate main body 111, step section 1122 and the second segment 1123 far from heat-conducting plate main body 111,
Middle first segment 1121 and second segment 1123 are vertical with 111 direction of heat-conducting plate main body, the step pitch and heat-conducting plate side plate of step section 1122
112 thickness is identical.When battery core holding element 1 and the assembling of battery core 2 form battery module, according to design requirement, held according to battery core
Support component 1, battery core 2, the sequence of battery core holding element 1 are sequentially overlapped, when superposition, the inner wall of heat-conducting plate side plate second segment 1123 with
The outer wall of the heat-conducting plate side plate first segment 1121 of adjacent battery core holding element 1 is bonded, and battery core 2 is limited at by adjacent battery core support
In the space that component 1 is constituted, plays the role of fixed and protect battery core, meanwhile, the heat-conducting plate side plate of adjacent battery core holding element 1
112 are also in close contact, and are very beneficial for heat exchange.
Battery core holding element 1 further includes end plate 12 and tab support conducting element 13, and end plate 12 and tab support conducting element 13
Material be insulating materials, this insulating materials be ABS.End plate 12 and tab support conducting element 13 are set to heat-conducting plate main body
111 it is ipsilateral, two tabs 21 of battery core 2 are located at opposite side, and tab support conducting element 13 is set to the phase of heat-conducting plate main body 111
Opposite side.End plate 12 and tab support conducting element 13 and 111 injection molding of heat-conducting plate main body, end plate 12 and tab support conducting element 13
It is integrally formed.
Fixation hole 121 is provided on end plate 12 to be used for across fixed link (not shown), battery core holding element 1 is secured
It is fixed.Auxiliary securing member 122 is additionally provided on end plate 12 for battery core holding element to be auxiliarily fixed.It is additionally provided on end plate 12
Opposite 2 with the integrally formed position limiting pile 123 of end plate, be additionally provided with and the matched limit hole of position limiting pile 123 on end plate 12
124, more than 124 end plate 12 of limit hole is integrally formed.Position limiting pile 123 and limit hole 124 are conducive to fixed when battery core holding element 1 is installed
Installation effectiveness is improved in position.It is additionally provided with end plate empty slot 125 on end plate 12, under the premise of proof strength is met the requirements, mitigates electricity
The weight of core holding element 1 improves battery energy density.
Tab is supported integrally formed with 2 metal bolumn caps 131 in conducting element 13, which is rectangular, metal column
Cap 131 is not covered by the insulating materials of tab support conducting element 13 close to the side of tab 21 and opposite side.On metal bolumn cap 131
It is provided with screw hole 1311, it is corresponding on the piece 14 that converges to be provided with through-hole 141.Confluence piece 14 is U-shaped.The piece 14 that converges is logical with tab 21
It crosses and connection is welded and fixed, screw 1312 passes through the through-hole 141 on confluence piece 14, cooperates with the screw hole 1311 on metal bolumn cap 131,
Confluence piece is fixedly secured on metal bolumn cap 131 by screw Screw hole structure, so that tab 21 is fixedly secured in tab
It supports on conducting element 13.Metal bolumn cap 131 is directly contacted with tab 21 and confluence piece 14, increases tab 21 and confluence piece 14
Contact area, be conducive to water conservancy diversion and reduce fever.In addition the screw Screw hole structure of metal bolumn cap 131 makes tab 21 and confluence
Piece 14 is securely held on tab support conducting element 13.Tab supports conducting element 13 and tab 21 in 111 side of heat-conducting plate main body
It is concordant upwards, so that when being fixed on tab support conducting element 13 bending will not occur for tab 21, tab 21 is avoided to jolt
When damage.Tab support conducting element empty slot 132 is additionally provided on tab support conducting element 13, before proof strength is met the requirements
It puts, mitigates the weight of battery core holding element 1, improve battery energy density.
Embodiment two:
Fig. 2 is the structural schematic diagram of the embodiment of the present invention two.Embodiment two and the difference of embodiment one are: heat-conducting plate master
Metal material used in body 111 and heat-conducting plate side plate 112 is iron-copper, and end plate 12 and tab support exhausted used in conducting element 13
Edge material is PPO.Stud 1313 is provided on metal bolumn cap 131, it is corresponding on the piece 14 that converges to be provided with through-hole 141.Converge piece
14 be L shape.Confluence piece 14 is fixedly connected by welding with tab 21, and stud 1313 passes through the through-hole 141 on confluence piece 14, with spiral shell
Bolt 1414 cooperates, and confluence piece is fixedly secured on metal bolumn cap 131 by stud bolt arrangement, so that tab 21 is secured
It is fixed on tab support conducting element 13.Metal bolumn cap 131 is directly contacted with tab 21 and confluence piece 14, increases tab 21
With the contact area of confluence piece 14, is conducive to water conservancy diversion and reduces fever.
Above content is enumerating for specific embodiments of the present invention, for the equipment and structure of wherein not detailed description, is answered
When being interpreted as that the existing common apparatus in this field and universal method is taken to be practiced.
The above embodiment of the present invention is only to illustrate that technical solution of the present invention is used simultaneously, only the column of technical solution of the present invention
It lifts, the technical solution and its protection scope being not intended to restrict the invention.Using equivalent technologies mean, equivalent apparatus etc. to this hair
The improvement of technical solution disclosed in bright claims and specification is considered to be without departing from claims of the present invention
And range disclosed in specification.
Claims (9)
1. a kind of battery modules battery core holding element, which is characterized in that the battery core holding element includes heat-conducting plate, end plate and
Tab supports conducting element, and the heat-conducting plate includes integrally formed heat-conducting plate main body and heat-conducting plate side plate, heat-conducting plate main body and leads
Hot plate side plate forms U-shape configuration, and end plate and tab support conducting element are fixedly arranged on heat-conducting plate main body, and the tab supports in conducting element
Portion is provided with to be fixed on tab for the piece that will converge and support on the metal bolumn cap and led integrally formed at least one metal bolumn cap
Flow the fixation device on part, the metal bolumn cap be it is rectangular or round, the tab of battery core and confluence piece are fixedly connected by welding.
2. battery modules according to claim 1 battery core holding element, which is characterized in that the fixed device is screw
Screw hole structure；Or the fixed device is stud bolt arrangement.
3. battery modules according to claim 2 battery core holding element, which is characterized in that be arranged on the metal bolumn cap
There is screw hole, the confluence on piece is equipped with through-hole accordingly；Or stud is provided on the metal bolumn cap, the confluence on piece phase
That answers is equipped with through-hole.
4. battery modules according to claim 3 battery core holding element, which is characterized in that the confluence piece by with institute
The corresponding screw of screw hole is stated to be fixed on the tab support conducting element；Or the confluence piece pass through it is corresponding with the stud
Bolt is fixed on the tab support conducting element.
5. according to claim 1 to the battery core holding element of battery modules described in any claim in 4, which is characterized in that
The confluence piece is U-shaped or L shape；Or the end plate and the tab support conducting element ipsilateral；Or it is arranged on the end plate
There is fixation hole；Or auxiliary securing member is provided on the end plate；Or position limiting pile is provided on the end plate；Or it is described
End plate is provided with empty slot；Or the tab support conducting element is provided with empty slot；Or tab support conducting element with it is described
Tab is concordant on the heat-conducting plate main direction；Or the heat-conducting plate main body is identical with heat-conducting plate side plate thickness；Or institute
The material for stating heat-conducting plate main body and heat-conducting plate side plate is metal；Or the heat-conducting plate side plate includes connecting with heat-conducting plate main body
First segment, step section and the second segment far from heat-conducting plate main body, wherein first segment and second segment are vertical with heat-conducting plate main direction.
6. battery modules according to claim 5 battery core holding element, which is characterized in that the end plate and the tab
Conducting element is supported to be integrally formed；Or the position limiting pile and the end plate are integrally formed；Or the position limiting pile at least there are two；
Or the end plate is provided with limit hole, the limit hole matches the position limiting pile on adjacent battery core holding element；Or institute
Stating metal is one of copper, iron, aluminium and its alloy or a variety of；Or the heat-conducting plate side plate is perpendicular to heat-conducting plate main body side
Upward length is greater than the thickness of battery core, battery core at least one side and heat-conducting plate body contact；Or the step pitch of the step section with
The thickness of the heat-conducting plate side plate is identical.
7. battery modules according to claim 6 battery core holding element, which is characterized in that the end plate and the tab
Support conducting element and the heat-conducting plate mainboard injection molding；Or the limit hole and the end plate are integrally formed.
8. battery modules according to claim 7 battery core holding element, which is characterized in that the end plate and the tab
The material for supporting conducting element is insulating materials.
9. battery modules according to claim 8 battery core holding element, which is characterized in that the insulating materials be ABS,
PP, PPO or insulating epoxy plate；Or the metal bolumn cap close to the side of the tab and opposite side not by the insulating materials
Covering.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451971 | 2017-12-28 | ||
| CN2017114519718 | 2017-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109994676A true CN109994676A (en) | 2019-07-09 |
Family
ID=67128517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811466749.XA Pending CN109994676A (en) | 2017-12-28 | 2018-12-03 | A kind of battery core holding element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB202013308D0 (en) | 2020-08-26 | 2020-10-07 | Daimler Ag | Fuel cell unit with end plate for combined use as part of a housing and electric power conduction means |
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2018
- 2018-12-03 CN CN201811466749.XA patent/CN109994676A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB202013308D0 (en) | 2020-08-26 | 2020-10-07 | Daimler Ag | Fuel cell unit with end plate for combined use as part of a housing and electric power conduction means |
| WO2022043342A1 (en) | 2020-08-26 | 2022-03-03 | Cellcentric Gmbh & Co. Kg | Fuel cell unit with end plate for combined use as part of a housing and electric power conduction means |
| DE102021121913A1 (en) | 2020-08-26 | 2022-03-03 | Cellcentric Gmbh & Co. Kg | FUEL CELL ASSEMBLY WITH END PLATE FOR COMBINED USE AS PART OF A HOUSING AND CONDUCTING MEANS FOR ELECTRICAL POWER |
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