CN209133596U - Lithium ion battery and its shell, top cover, aluminium pole - Google Patents
Lithium ion battery and its shell, top cover, aluminium pole Download PDFInfo
- Publication number
- CN209133596U CN209133596U CN201822154134.5U CN201822154134U CN209133596U CN 209133596 U CN209133596 U CN 209133596U CN 201822154134 U CN201822154134 U CN 201822154134U CN 209133596 U CN209133596 U CN 209133596U
- Authority
- CN
- China
- Prior art keywords
- ion battery
- nut
- pole
- aluminium
- lithium ion
- 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.)
- Expired - Fee Related
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 57
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000004411 aluminium Substances 0.000 title claims abstract description 51
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims 2
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- ILAYIAGXTHKHNT-UHFFFAOYSA-N 4-[4-(2,4,6-trimethyl-phenylamino)-pyrimidin-2-ylamino]-benzonitrile Chemical compound CC1=CC(C)=CC(C)=C1NC1=CC=NC(NC=2C=CC(=CC=2)C#N)=N1 ILAYIAGXTHKHNT-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to lithium ion battery preparation field, a kind of lithium ion battery and its shell, top cover, aluminium pole are disclosed.Aluminium pole includes: the pole main body made of aluminum material, the top of the pole main body is provided with an open-topped hole portion, a nut is embedded in the bottom of the hole portion, screw thread is provided in the centre bore of the nut, the aperture of the hole portion is equal to or more than the nominal diameter of the screw thread, and the edge of the nut is embedded in the pole main body.Using the technical solution, be conducive to the screw strength for improving top cover aluminium pole, guarantee battery core forming and capacity dividing and it is groups of during not damaged screw.
Description
Technical field
The utility model relates to field of cell preparation, a kind of lithium ion battery and its shell, top cover, aluminium pole are disclosed.
Background technique
In recent years, lithium ion battery is closely bound up with our life, and lithium ion battery has voltage height, specific energy
It the advantages that high, recycling is often, storage time is long, is not only widely applied, but also applies on a portable electronic device
In terms of the large and medium-sized electrical equipment such as electric car, electric bicycle and electric tool, therefore the connection to lithium ion battery
Reliability requirement is higher and higher.
The present utility model people has found that existing pole screw thread is straight in the research process for carrying out the utility model embodiment
The tapping on aluminium pole is connect, screw strength is low, and stripped thread is be easy to cause to damage, and increases production cost；And it will cause battery core connection
It is bad, reduce module performance.
Utility model content
The first purpose of the utility model embodiment is to provide a kind of lithium ion battery and its shell, top cover, aluminium pole,
Using the technical solution, be conducive to the screw strength for improving top cover aluminium pole, guarantee battery core in forming and capacity dividing and groups of mistake
Not damaged screw in journey.
A kind of lithium ion battery aluminium pole provided by the embodiment of the utility model, comprising: the pole master made of aluminum material
Body,
The top of the pole main body is provided with an open-topped hole portion, is embedded with a spiral shell in the bottom of the hole portion
Mother is provided with screw thread in the centre bore of the nut, and the aperture of the hole portion is equal to or more than the nominal diameter of the screw thread,
The edge of the nut is embedded in the pole main body.
Optionally, the pole main body is that aluminium is made by 1.
Optionally, the nut is stainless steel nut.
Optionally, the nut is M6 nut.
Optionally, the pole main body includes the pedestal being electrically connected for the electrode with lithium-ion electric core, perpendicular to described
Cylinder on pedestal, the hole portion, nut are arranged on the cylinder.
Optionally, an annular groove is provided on being arranged in the middle part of the periphery of the cylinder.
Second aspect, the utility model embodiment provide a kind of lithium-ion battery shell top cover, comprising:
The closure body made of sheet metal is provided with any described of claim 1 to 6 on the closure body
Aluminium pole, using the electrode as lithium ion battery.
Optionally, the closure body, which is adopted, is formed from aluminium.
Optionally, the closure body is that aluminium is made using 1.
The third aspect, the utility model embodiment provide a kind of lithium-ion battery shell, comprising: container open at one end,
It blocks in the opening of the container by above-mentioned any top cover.
Fourth aspect, the utility model embodiment provide a kind of lithium ion battery, comprising:
Above-mentioned any shell and it is encapsulated in the intracorporal battery core bodies of the shell, electrolyte.
Therefore the present embodiment technical solution does not carry out tapping in the pole main body made of the aluminum material of property softness
Formation internal screw thread, but the aperture in pole main body, then the mode of the bottom embedded nut of aperture is realized in pole master again
The internal screw thread for being screwed on outer electrode member is formed on body, is conducive to the screw strength for improving top cover aluminium pole, is guaranteed electricity
Core forming and capacity dividing and it is groups of during not damaged screw, the yields of battery core production is improved, to reduce production cost；
Guarantee the bonding strength of battery core conducting wire in groups, guarantees mould group service performance.
Detailed description of the invention
Fig. 1 is that a kind of plan structure for aluminium pole suitable for lithium ion battery that the utility model embodiment 1 provides is shown
It is intended to；
Fig. 2 is the left view structural representation of Fig. 1；
Fig. 3 is the schematic perspective view of Fig. 1；
Fig. 4 is the A-A the schematic diagram of the section structure of Fig. 1；
Fig. 5 is the structural schematic diagram of the aluminium bar after the merging nut that the utility model embodiment 1 provides；
Fig. 6 is the aluminium rod structure schematic diagram obtained after forging and pressing to aluminium bar shown in Fig. 5；
The top cover assembling structure schematic diagram that Fig. 7 the utility model embodiment 1 provides.
Appended drawing reference:
1: pole main body；2: hole portion；3: nut；4: screw hole；
5: pedestal；6: cylinder；7: annular groove；
001: top cover；002: lower plastic；003: positive terminal；004: sealing ring；
005: negative terminal；006: plastic on cathode；007: plastic on anode；
008: explosion rupture disk protective film；009: explosion rupture disk.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model
Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.
Embodiment 1:
It mainly include by aluminum material system referring to a kind of lithium ion battery aluminium pole shown in Fig. 1-7, is present embodiments provided
At pole main body 1, the top of pole main body 1 is provided with an open-topped hole portion 2, the bottom of hole portion 2 be embedded with a spiral shell
Mother 3 is provided with internal screw thread in the screw hole 4 of nut 3, and the edge of nut 3 is embedded in pole main body 1, the hole portion above screw hole 4
2 aperture is equal to or more than the aperture of screw hole 4, so that in the electricity for the aluminium pole and external electric equipment for carrying out lithium ion battery
When pole connects, the screw connecting with the electrode of electrical equipment puts in the screw hole 4 of nut 3 by the hole portion 2 on aluminium pole, with nut
Internal screw thread on 3 screw hole 4 is mutually screwed on.
Therefore the present embodiment technical solution is not attacked in the pole main body 1 made of the aluminum material of property softness
Silk formation internal screw thread, but the aperture in pole main body 1, then the mode of the bottom embedded nut 3 of aperture is realized in pole again
The internal screw thread for being screwed on outer electrode member is formed in column main body 1, is conducive to the screw strength for improving aluminium pole, is guaranteed electricity
Core forming and capacity dividing and it is groups of during not damaged screw, the yields of battery core production is improved, to reduce production cost；
Guarantee the bonding strength of battery core conducting wire in groups, guarantees mould group service performance.
The preparation method of the present embodiment aluminium pole can be such that
Step 1: cutting into scheduled length with aluminium bar；
Step 2: circular hole (the pre- set pattern of diameter ratio of circular hole of predetermined diameter predetermined depth is milled out among aluminium bar with milling machine
The maximum diameter size of the nut 3 of lattice is bigger)；
Step 3: being placed in the nut 3 of predetermined dimension in circular hole, ideally make the central axis and circular hole of nut 3
Center overlapping of axles obtain structure shown in fig. 5.
Step 4: the aluminium bar for being placed in nut 3 is forged and pressed, using the tup of metal forming machinery, anvil block, formed punch or pass through
Mold applies pressure to blank, makes the aluminium bar plastic deformation for being placed in nut 3, guarantees that nut 3 is completely encased in aluminium bar, make to be located at
The aperture of 3 top of nut and the aperture of the screw hole 4 of nut 3 are almost the same, obtain structure shown in fig. 6.
Step 4: the size of scheduled aluminium pole is machined, referring to shown in Fig. 1-4.
As the signal of the present embodiment, it is that aluminium (is such as but not limited to as 1060 that the pole main body 1 of the present embodiment, which uses 1,
Aluminium) it is made.Aluminium has high purity containing aluminium, and property is soft, conductive effect is good, easy to form.
As the signal of the present embodiment, the nut 3 of the present embodiment can with but not breeding select stainless steel nut 3, carbon steel spiral shell
Mother 3 or other nuts 3 that material is hard, conductive effect is good.The nut 3 of the present embodiment can with but not breeding use M6 specification
Six-sided nut 3.
Referring to shown in Fig. 1-4, the pole main body 1 of the present embodiment includes the base being electrically connected for the electrode with lithium-ion electric core
Seat 5 and perpendicular to the cylinder 6 on pedestal 5, the width of pedestal 5 are wider than the width of cylinder 6, and hole portion 2, nut 3 are arranged described
On cylinder 6.
It is shown in Figure 7, wherein aluminium pole when the closure body 001 with lithium-ion battery shell is connect, wear by cylinder 6
It crosses closure body 001 and is stuck in 001 lower section of closure body, the electrode laser for the battery core bodies with enclosure interior welds connection, cylinder 6
It is prominent in the top of closure body 001 across closure body 001, for external electric equipment electrode by circular hole thereon with
The connection of 3 spiral of nut.
As the signal of the present embodiment, it is arranged in the middle part of the periphery of cylinder 6 of the vertical protrusion above closure body 001 attached
It is provided on close around 6 one weeks annular grooves of cylinder 7, when being installed on closure body 001, insulated ring to be socketed
In the annular groove 7, to enclose the effect of positioning and locking to insulation, the outer diameter of the insulated ring, which is wider than on closure body 001, to be supplied
The aperture that this cylinder 6 is pierced by, when insulation sleeve is socketed on cylinder 6, which is located at the hole upper surface of closure body 001,
It is matched with the pedestal 5 for being located at 001 lower section of closure body, is secured firmly to aluminium pole body 6 on closure body 001, is not easy to take off
It falls.
The aluminium pole of the present embodiment is suitable for the lithium ion battery of current stiff case, and wherein shell includes by one one
The container of end opening, after battery core bodies are placed in container, the opening that the closure body 001 that pole is pre-installed is encapsulated in container is close
Envelope, vacuumizes, and injection electrolyte, aging, partial volume etc. to obtain the final product.
Wherein closure body 001 is generally made of sheet metal, it is preferred to use 1 is that aluminium (is such as but not limited to as 1060 aluminium
Material) it is made.
Shown in Figure 7, the present embodiment top cover includes closure body 001, is provided with explosion-proof valve on closure body 001
Door, is embedded with explosion rupture disk 009 in Explosion-proof valve, explosion rupture disk protective film 008 is posted in explosion rupture disk 009, using the present embodiment aluminium
The positive terminal 004 of pole column structure is applied in closure body 001, using the copper-base column conduct for being directly threaded with screw hole in copper post
Negative terminal 005 is protruded above in positive terminal 004, negative terminal 005 and is covered respectively in the annular groove of the upper surface of closure body 001
It is connected to plastic 007 on anode, plastic 006 on cathode, is located at 001 lower surface base of closure body in positive terminal 004, negative terminal 005
Sealing ring 004 is socketed between seat and 001 lower surface of closure body.The lower surface of closure body 001 is arranged in lower plastic 003.
The lithium ion battery and its shell of the present embodiment, top cover, aluminium pole are particularly suitable for large-sized power lithium ion battery
It uses, shell can be rectangular or other shapes.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (11)
1. a kind of lithium ion battery aluminium pole, characterized in that it include: the pole main body made of aluminum material,
The top of the pole main body is provided with an open-topped hole portion, is embedded with a nut, institute in the bottom of the hole portion
It states and is provided with screw thread in the centre bore of nut, the aperture of the hole portion is equal to or more than the nominal diameter of the screw thread, described
The edge of nut is embedded in the pole main body.
2. lithium ion battery aluminium pole according to claim 1, characterized in that
The pole main body is that aluminium is made by 1.
3. lithium ion battery aluminium pole according to claim 1, characterized in that
The nut is stainless steel nut.
4. lithium ion battery aluminium pole according to claim 1, characterized in that
The nut is M6 nut.
5. lithium ion battery aluminium pole according to claim 1, characterized in that
The pole main body includes the pedestal being electrically connected for the electrode with lithium-ion electric core, perpendicular to the column on the pedestal
Body, the hole portion, nut are arranged on the cylinder.
6. lithium ion battery aluminium pole according to claim 5, characterized in that
An annular groove is provided on being arranged in the middle part of the periphery of the cylinder.
7. a kind of lithium-ion battery shell top cover, characterized in that include:
The closure body made of sheet metal is provided with any aluminium pole of claim 1 to 6 on the closure body
Column, using the electrode as lithium ion battery.
8. the lithium-ion battery shell top cover according to weighing and require 7, characterized in that
The closure body, which is adopted, to be formed from aluminium.
9. the lithium-ion battery shell top cover according to weighing and require 8, characterized in that
The closure body is that aluminium is made using 1.
10. a kind of lithium-ion battery shell, characterized in that include: container open at one end, blocked in the opening of the container
By any top cover of claim 7 to 9.
11. a kind of lithium ion battery, characterized in that include:
Shell described in any one of claim 10 and it is encapsulated in the intracorporal battery core bodies of the shell, electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154134.5U CN209133596U (en) | 2018-12-20 | 2018-12-20 | Lithium ion battery and its shell, top cover, aluminium pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154134.5U CN209133596U (en) | 2018-12-20 | 2018-12-20 | Lithium ion battery and its shell, top cover, aluminium pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133596U true CN209133596U (en) | 2019-07-19 |
Family
ID=67249082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822154134.5U Expired - Fee Related CN209133596U (en) | 2018-12-20 | 2018-12-20 | Lithium ion battery and its shell, top cover, aluminium pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133596U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382813A (en) * | 2021-01-14 | 2021-02-19 | 蜂巢能源科技有限公司 | A mould piece, electric core and battery module down for electric core |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
| WO2023070970A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery, and power consuming device |
-
2018
- 2018-12-20 CN CN201822154134.5U patent/CN209133596U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382813A (en) * | 2021-01-14 | 2021-02-19 | 蜂巢能源科技有限公司 | A mould piece, electric core and battery module down for electric core |
| CN112382813B (en) * | 2021-01-14 | 2021-04-20 | 蜂巢能源科技有限公司 | A mould piece, electric core and battery module down for electric core |
| WO2023070970A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery, and power consuming device |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
| CN114361664B (en) * | 2021-12-22 | 2024-03-15 | 江苏海基新能源股份有限公司 | Square hard shell lithium ion battery cover plate, battery and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |