CN109037533A - A kind of lithium battery group of anti-overheat - Google Patents
A kind of lithium battery group of anti-overheat Download PDFInfo
- Publication number
- CN109037533A CN109037533A CN201810974253.7A CN201810974253A CN109037533A CN 109037533 A CN109037533 A CN 109037533A CN 201810974253 A CN201810974253 A CN 201810974253A CN 109037533 A CN109037533 A CN 109037533A
- Authority
- CN
- China
- Prior art keywords
- battery cell
- cathode
- battery
- positive
- box
- 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004411 aluminium Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000005269 aluminizing Methods 0.000 claims abstract description 7
- 238000007747 plating Methods 0.000 claims description 6
- 239000010406 cathode material Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000003487 electrochemical reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000000178 monomer Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 241000238367 Mya arenaria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 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
- 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
- H01M50/50—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
Abstract
The present invention relates to a kind of lithium battery groups of anti-overheat, including cabinet, multiple battery cells, cabinet includes box-like body, lower supporting plate, upper cover plate, battery cell is cylindrical battery, battery cell has anode, cathode, is sequentially connected in series between each battery cell, passes through conductive plate connection between the anode of adjacent two battery cell, cathode, conductive plate includes copper sheet section and aluminium layer section, and copper sheet section is equipped with positive connecting hole；Section of aluminizing is equipped with cathode connecting hole, it is connected for battery cell cathode, lower supporting plate is equipped with supported hole identical with battery cell quantity, supported hole is pierced by for the positive or negative pole of battery cell, upper cover plate is equipped with and perforates correspondingly up and down with supported hole, and perforation is passed through for the positive or negative pole of battery cell.The problem of conductive plate therein is made there are two types of material, respectively corresponds the positive and negative anodes material of battery cell, avoids conductive plate and positive and negative anodes junction generation electrochemical reaction.
Description
Technical field
The present invention relates to technical field of lithium batteries, and in particular to a kind of lithium battery group of anti-overheat.
Background technique
Lithium battery has many advantages, such as that environmental pollution is small, noiseless, energy ratio is high, and application is more and more, such as makees
For power battery, apply on electric bicycle, electric car.Power source as electric car is by a certain number of lithium electricity
Pond forms high-power, large capacity lithium battery group by series-parallel form.During charging and discharging lithium battery, battery itself
Heat can be generated with the component on high current access, constant temperature in battery pack is caused to rise, when temperature is more than the normal work of battery
The service performance and service life of lithium battery can be reduced after the maximum temperature of work.The battery cell of battery pack mainly has hard shell packaging
Two kinds are packed with soft shell, according to different power and voltage needs, is combined multiple battery cells in series and parallel.
The positive terminal material of battery is copper, and negative terminal material is aluminium, and anode and cathode terminals are connected when series connection.Battery production
When, way typically now is that use copper or aluminium plated surface be the connecting plate of same metal material directly by copper post and aluminium column electrode
Terminal is connected.Copper and aluminum material link together, and there are lesser gaps for the junction of the two, will generate electrochemical reaction,
Especially in wet environment.Aluminium surface generates corrosion, causes the contact resistance of copper post and aluminium column junction to increase, is there is big electricity
When stream flows through the junction, it can be brought rapidly up because resistance increases.
Summary of the invention
The object of the present invention is to provide a kind of lithium battery groups of anti-overheat, are caused with solving above-mentioned resistance increase
Heat up high problem.
To achieve the above object, the lithium battery group of the anti-overheat of the present invention adopts the following technical scheme that the lithium battery of anti-overheat
Group, including cabinet, multiple battery cells, cabinet include box-like body, lower supporting plate, upper cover plate, and battery cell is cylindrical electricity
Pond, battery cell have anode, cathode, and the positive material of battery cell is copper, and the cathode material of battery cell is aluminium, each battery
It is sequentially connected in series between monomer, each battery cell is in distributed rectangular, by leading between the anode of adjacent two battery cell, cathode
Battery plate connection, the distribution mode of each conductive plate are S type, and conductive plate includes copper sheet section and aluminium layer section, and copper sheet section is equipped with anode even
Hole is connect, is connected for battery cell anode；Aluminium layer section is equipped with the aluminium coated that plating is located in copper sheet section, and section of aluminizing is connected equipped with cathode
Hole is connected for battery cell cathode, and lower supporting plate is equipped with supported hole identical with battery cell quantity, and supported hole is for battery list
The positive or negative pole of body is pierced by, and lower supporting plate and box-like body bottom are equipped with lower cavity, upper cover plate be equipped with above and below supported hole
One-to-one perforation, the positive or negative pole for battery cell of perforating pass through, the lithium battery group of the anti-overheat have one just
Extremely total connector, a total connector of cathode.
Further preferably, the circumferential side wall of the box-like body is equipped with sponge strip, and sponge strip is radially propped up from battery cell
Support battery cell.
Further preferably, the box-like body internal upper part is equipped with step surface, and upper cover plate and the step surface cooperate, upper cover plate
It is fixed by screws on box-like body.
Further preferably, the lower supporting plate includes mainboard body and supporting block, and mainboard body is supported on cabinet sheet by supporting block
To form the lower cavity on body bottom.
Further preferably, the box-like body lower part is equipped with honeycomb-type heat radiation structure.
Further preferably, the left plate of the box-like body, air hole is equipped on right side plate, be equipped with waterproof at air hole
Ventilated membrane.
Further preferably, the conductive plate is waist template, and anode, the cathode of the battery cell are pole, anode, cathode
Pole on be equipped with screw thread, to install clamp nut, clamp nut on anode is plating copper nut, the clamp nut on cathode
For nut of aluminizing.
Beneficial effects of the present invention: each battery cell of the lithium battery group of the anti-overheat of the present invention, including multiple battery cells,
Connected between the anode of adjacent two battery cell, cathode by conductive plate, conductive plate is made of two kinds of materials, the anode of battery with
The copper sheet section of conductive plate connects, and the cathode of battery and the aluminium layer section of conductive plate connect, and junction material is identical, metal material activity
It is identical.The aluminium layer section of conductive plate is wholely set with copper sheet section, and gap is not present, electrochemical reaction will not occur.It avoids positive and negative
The problem of junction resistance of pole and conductive plate increases, temperature increases, prevents accident, extends the service life of battery.
Detailed description of the invention
Fig. 1 is the series arrangement figure of each battery cell of the lithium battery group of the anti-overheat of the present invention；
Fig. 2 is the structural schematic diagram of conductive plate in the lithium battery group of the anti-overheat of the present invention；
Fig. 3 is the cross-sectional view of Fig. 2；
Fig. 4 is the partial sectional view of the cabinet of the lithium battery group of the anti-overheat of the present invention.
Respectively mark corresponding title: 1, battery cell in figure, 2, conductive plate, 3, lower supporting plate, 4, sponge strip, 5, ventilative
Hole, 6, box-like body, 11, anode, 12, cathode, 21, copper sheet section, 22, aluminium layer section, 23, positive connecting hole, 24, cathode connection
Hole, 25, aluminium coated.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
The embodiment of the lithium battery group of the anti-overheat of the present invention: as Figure 1-Figure 4, the lithium battery group of anti-overheat, including case
Body, multiple battery cells 1, cabinet include box-like body 6, lower supporting plate 3, upper cover plate.Battery cell 1 is cylindrical battery, electricity
Pond monomer has anode, cathode.The positive material of battery cell is copper, and the cathode material of battery cell is aluminium, each battery cell
Between be sequentially connected in series.
Each battery cell is in distributed rectangular, is connected between the anode of adjacent two battery cell, cathode by conductive plate 2, respectively
The distribution mode of conductive plate is S type, and it is to be interspersed up and down that up and down direction, which is seen, and left and right is also to be interspersed.More clearly to say
Bright, battery cell successively carrys out word from the beginning to the end, the anode 11 of first battery upward, cathode downward, second battery
Cathode 12 upward, anode downward, third battery it is positive upward, cathode downward, and so on arrangement, first battery is just
A conductive plate 2 is connected between pole and the cathode of second battery, between the anode of the second battery and the cathode of third battery
Connect a conductive plate 2, and so on be attached.The lithium battery group of anti-overheat has the total connector of an anode, a cathode
Total connector is connected for power device.
Conductive plate 2 includes copper sheet section 21 and aluminium layer section 22, and copper sheet section 21 is equipped with positive connecting hole 23, just for battery cell
The connection of pole pole；Aluminium layer section 22 is equipped with the aluminium coated 25 that plating is located in copper sheet section, and section of aluminizing is equipped with cathode connecting hole 24, power supply
The connection of pond monomer negative pole.It is designed by the special construction of the conductive plate, so that the copper product anode of battery cell and conduction
The copper sheet section of plate connects, and the cathode of the aluminum material of battery cell is connect with aluminium layer section, and identical material links together, and avoids
The problem of being mentioned in background technique.Very close to each other, well conducting between the aluminium coated 25 and copper sheet section 21 of aluminium layer section, and be not easy
Couple corrosion occurs.Conductive plate is waist template, and anode, the cathode of battery cell are pole, is equipped on positive, cathode pole
Screw thread, to install clamp nut 7, the clamp nut on anode is plating copper nut, and the clamp nut on cathode is nut of aluminizing.?
After respective electrode penetrates conductive plate connecting hole, fixed with clamp nut.
Lower supporting plate 3 is horizontally disposed, and lower supporting plate 3 is equipped with supported hole identical with battery cell quantity, and supported hole supplies
The positive or negative pole of battery cell is pierced by, and lower supporting plate and box-like body bottom are equipped with lower cavity.Lower supporting plate 3 includes mainboard body
And mainboard body is supported on box-like body bottom to form the lower cavity by supporting block 31, supporting block 31, supporting block is located at two
Between column battery cell, the placement of battery cell is not influenced.
Box-like body internal upper part is equipped with step surface, and upper cover plate and step surface cooperate, and upper cover plate is fixed by screws in cabinet
On ontology.Upper cover plate is equipped with handle, convenient for lifting and installing.Upper cover plate is equipped with and wears correspondingly up and down with supported hole
Hole, perforation are passed through for the positive or negative pole of battery cell, and each battery cell is in the space between lower supporting plate and upper cover plate.
The circumferential side wall of box-like body 6 is equipped with sponge strip 4, and sponge strip is auxiliarily fixed from battery cell radial support battery cell
Effect, there are also damping effects.In view of heat dissipation problem, the area of sponge strip is not easy excessive.
To solve heat dissipation problem, box-like body lower part is equipped with honeycomb-type heat radiation structure.Left plate, the right side plate of box-like body
On be equipped with air hole 5, waterproof ventilated membrane 51 is equipped at air hole, plays ventilative effect, and waterproof.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (7)
1. the lithium battery group of anti-overheat, it is characterised in that: including cabinet, multiple battery cells, cabinet includes box-like body, lower branch
Fagging, upper cover plate, battery cell are cylindrical battery, and battery cell has anode, cathode, and the positive material of battery cell is
Copper, the cathode material of battery cell are aluminium, are sequentially connected in series between each battery cell, and each battery cell is in distributed rectangular, phase
It is connected between the anodes of adjacent two battery cells, cathode by conductive plate, the distribution mode of each conductive plate is S type, and conductive plate includes
Copper sheet section and aluminium layer section, copper sheet section are equipped with positive connecting hole, connect for battery cell anode；Aluminium layer section is equipped with plating and is located at copper sheet
Aluminium coated in section, section of aluminizing are equipped with cathode connecting hole, connect for battery cell cathode, and lower supporting plate is equipped with and battery list
The identical supported hole of body quantity, supported hole are pierced by for the positive or negative pole of battery cell, and lower supporting plate is set with box-like body bottom
There is lower cavity, upper cover plate is equipped with and perforates correspondingly up and down with supported hole, and perforation is worn for the positive or negative pole of battery cell
It crosses, the lithium battery group of the anti-overheat has the total connector of an anode, a total connector of cathode.
2. the lithium battery group of anti-overheat according to claim 1, it is characterised in that: in the circumferential side wall of the box-like body
Equipped with sponge strip, sponge strip is from battery cell radial support battery cell.
3. the lithium battery group of anti-overheat according to claim 1, it is characterised in that: the box-like body internal upper part is equipped with platform
Terrace, upper cover plate and the step surface cooperate, and upper cover plate is fixed by screws on box-like body.
4. the lithium battery group of anti-overheat according to any one of claims 1 to 3, it is characterised in that: the lower supporting plate packet
Mainboard body and supporting block are included, mainboard body is supported on box-like body bottom to form the lower cavity by supporting block.
5. the lithium battery group of anti-overheat according to claim 4, it is characterised in that: the box-like body lower part is equipped with honeycomb
Formula radiator structure.
6. the lithium battery group of anti-overheat according to any one of claims 1 to 3, it is characterised in that: the box-like body
It is equipped with air hole on left plate, right side plate, is equipped with waterproof ventilated membrane at air hole.
7. the lithium battery group of anti-overheat according to any one of claims 1 to 3, it is characterised in that: the conductive plate is waist
Template, anode, the cathode of the battery cell are pole, screw thread are equipped on positive, cathode pole, to install compression spiral shell
Mother, the clamp nut on anode are plating copper nut, and the clamp nut on cathode is nut of aluminizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974253.7A CN109037533A (en) | 2018-08-24 | 2018-08-24 | A kind of lithium battery group of anti-overheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974253.7A CN109037533A (en) | 2018-08-24 | 2018-08-24 | A kind of lithium battery group of anti-overheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109037533A true CN109037533A (en) | 2018-12-18 |
Family
ID=64628432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810974253.7A Pending CN109037533A (en) | 2018-08-24 | 2018-08-24 | A kind of lithium battery group of anti-overheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109037533A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201725822U (en) * | 2010-07-08 | 2011-01-26 | 合肥国轩高科动力能源有限公司 | Cell box for electric bicycle |
| CN203277513U (en) * | 2013-05-28 | 2013-11-06 | 华霆（常州）动力技术有限公司 | Lithium battery pack case capable of preventing lithium battery from being overheated |
| CN103511992A (en) * | 2012-06-21 | 2014-01-15 | 海洋王照明科技股份有限公司 | Lamp power source device and battery box structure thereof |
| WO2014024430A1 (en) * | 2012-08-09 | 2014-02-13 | 三洋電機株式会社 | Battery pack, electric vehicle provided with same, and power storage device |
| CN207052644U (en) * | 2016-07-11 | 2018-02-27 | 深圳市伊诺动力科技有限公司 | A kind of rigid package lithium battery group |
| CN208781910U (en) * | 2018-08-24 | 2019-04-23 | 德朗能（张家港）动力电池有限公司 | A kind of lithium battery group of anti-overheat |
-
2018
- 2018-08-24 CN CN201810974253.7A patent/CN109037533A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201725822U (en) * | 2010-07-08 | 2011-01-26 | 合肥国轩高科动力能源有限公司 | Cell box for electric bicycle |
| CN103511992A (en) * | 2012-06-21 | 2014-01-15 | 海洋王照明科技股份有限公司 | Lamp power source device and battery box structure thereof |
| WO2014024430A1 (en) * | 2012-08-09 | 2014-02-13 | 三洋電機株式会社 | Battery pack, electric vehicle provided with same, and power storage device |
| CN203277513U (en) * | 2013-05-28 | 2013-11-06 | 华霆（常州）动力技术有限公司 | Lithium battery pack case capable of preventing lithium battery from being overheated |
| CN207052644U (en) * | 2016-07-11 | 2018-02-27 | 深圳市伊诺动力科技有限公司 | A kind of rigid package lithium battery group |
| CN208781910U (en) * | 2018-08-24 | 2019-04-23 | 德朗能（张家港）动力电池有限公司 | A kind of lithium battery group of anti-overheat |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20181218 |