CN212230558U - High-voltage high-lithium ternary material lithium battery - Google Patents
High-voltage high-lithium ternary material lithium battery Download PDFInfo
- Publication number
- CN212230558U CN212230558U CN202020896746.6U CN202020896746U CN212230558U CN 212230558 U CN212230558 U CN 212230558U CN 202020896746 U CN202020896746 U CN 202020896746U CN 212230558 U CN212230558 U CN 212230558U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- lithium
- electrode
- contact piece
- lithium cell
- 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
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 98
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 239000000463 material Substances 0.000 title claims abstract description 18
- 239000003792 electrolyte Substances 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 23
- 230000006978 adaptation Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 239000007774 positive electrode material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000011206 ternary composite Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 1
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a high voltage high lithium ternary material lithium cell relates to ternary lithium cell technical field, including lithium cell casing, lithium cell casing's top one side fixed mounting has first binding post, and lithium cell casing's top opposite side fixed mounting has second binding post, lithium cell casing's inside downside fixedly connected with electrolyte tank, and lithium cell casing's inside upside is provided with the baffle. The utility model discloses in, use through the cooperation between first contact, second contact, first binding post, second binding post, baffle, sealing washer, vertical axis and the first spring, realized the outage function at this lithium cell abnormal operation, it is impaired to prevent to connect electric appliance, and uses through the cooperation between circular slot, disc, second spring and the pressure release hole, has realized the function of automatic pressure release, has played explosion-proof function, has increased the security of repairing the in-process.
Description
Technical Field
The utility model relates to a ternary lithium cell technical field specifically is a high voltage high lithium ternary material lithium cell.
Background
The ternary lithium battery is a ternary polymer lithium battery, and refers to a lithium battery of which the positive electrode material is a ternary positive electrode material made of nickel cobalt lithium manganate or nickel cobalt lithium aluminate, wherein the ternary composite positive electrode material is prepared from nickel salt, cobalt salt and manganese salt, and the proportion of nickel, cobalt and manganese in the ternary composite positive electrode material can be adjusted according to actual needs. A high-voltage high-lithium ternary material lithium battery is one of ternary lithium batteries.
However, in the prior art, most high-voltage and high-lithium ternary material lithium batteries do not have the function of pressure relief, so that when the lithium batteries break down, the internal pressure is increased, explosion is easy to occur, and the safety in the repair process is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high voltage high lithium ternary material lithium cell to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-voltage high-lithium ternary material lithium battery comprises a lithium battery shell, wherein a first connecting terminal is fixedly arranged on one side of the top of the lithium battery shell, a second connecting terminal is fixedly arranged on the other side of the top of the lithium battery shell, an electrolyte tank is fixedly connected to the lower side of the interior of the lithium battery shell, a partition plate is arranged on the upper side of the interior of the lithium battery shell, a first electrode penetrates through one side of the top of the electrolyte tank, a second electrode penetrates through the other side of the top of the electrolyte tank, a first contact piece is fixedly connected to one side of the bottom of the partition plate, a second contact piece is fixedly connected to the other side of the bottom of the partition plate, vertical shafts penetrate through the two sides of the partition plate symmetrically, sealing rings are fixedly connected to the outer walls of the outer sides of the partition plates, first springs are arranged on the outer walls of the lower sides of the vertical shafts, circular grooves, the inside one side that closes on lithium cell casing of circular slot is provided with the disc, the inside one side fixedly connected with second spring of lithium cell casing is kept away from to the disc.
As a further aspect of the present invention: the first electrode and the second electrode are connected with the electrolyte tank in an interference fit mode, the bottoms of the first electrode and the second electrode are located inside the electrolyte tank, the first electrode is in contact with the first contact piece and is electrically connected with the first contact piece, the first electrode is matched with the first contact piece, the second electrode is in contact with the second contact piece and is electrically connected with the second contact piece, the second electrode is matched with the second contact piece, the first wiring terminal is electrically connected with the first contact piece through a wire, and the second wiring terminal is electrically connected with the second contact piece through a wire.
As a further aspect of the present invention: the baffle is connected with the vertical shaft through clearance fit, the upper end of the vertical shaft is fixedly connected with the inner wall of the top of the lithium battery shell, the lower end of the vertical shaft is fixedly connected with the top of the electrolyte tank, the first spring sleeve is arranged on the outer wall of the vertical shaft, the bottom of the baffle is connected with the top of the electrolyte tank through the first spring, the sealing ring is in contact with the inner wall of the lithium battery shell, and the sealing ring is matched with the lithium battery shell.
As a further aspect of the present invention: the disc is connected with the inner wall of the circular groove through a second spring, the disc is matched with the circular groove, one end of the pressure relief hole is communicated with the inside of the circular groove, and the disc is located between the communicated position of the circular groove and the inside of the lithium battery shell and between the communicated position of the pressure relief hole and the circular groove.
As a further aspect of the present invention: the circular groove is positioned above the partition plate.
As a further aspect of the present invention: the bottom fixedly connected with landing leg of lithium cell casing, the landing leg is provided with four, four the landing leg sets up four angles departments in lithium cell casing bottom respectively.
Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation use between first contact, second contact, first binding post, second binding post, baffle, sealing washer, vertical axis and the first spring, realized the outage function in this lithium cell abnormal operation, prevent to connect the electric appliance impaired, and use through the cooperation between circular slot, disc, second spring and the pressure release hole, realized the function of automatic pressure release, played explosion-proof function, increased the security of repairing the in-process.
Drawings
Fig. 1 is a schematic structural diagram of a high-voltage high-lithium ternary material lithium battery.
Fig. 2 is a schematic structural diagram of a magnification in a high-voltage high-lithium ternary material lithium battery.
Fig. 3 is an enlarged structural diagram of B in a high-voltage high-lithium ternary material lithium battery.
The labels in the figure are: 1. a lithium battery case; 2. a support leg; 3. a first connection terminal; 4. a second connection terminal; 5. an electrolyte bath; 6. a first electrode; 7. a second electrode; 8. a partition plate; 9. a first contact piece; 10. a second contact piece; 11. a vertical axis; 12. a seal ring; 13. a first spring; 14. a circular groove; 15. a disc; 16. a second spring; 17. a pressure relief vent.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a high-voltage high-lithium ternary material lithium battery includes a lithium battery case 1, a bottom of the lithium battery case 1 is fixedly connected with four support legs 2, the four support legs 2 are respectively disposed at four corners of the bottom of the lithium battery case 1, a first connection terminal 3 is fixedly mounted on one side of the top of the lithium battery case 1, a second connection terminal 4 is fixedly mounted on the other side of the top of the lithium battery case 1, an electrolyte tank 5 is fixedly connected to the lower side of the inside of the lithium battery case 1, a partition plate 8 is disposed on the upper side of the inside of the lithium battery case 1, a first electrode 6 is penetrated through one side of the top of the electrolyte tank 5, a second electrode 7 is penetrated through the other side of the top of the electrolyte tank 5, a first contact plate 9 is fixedly connected to one side of the bottom of the partition plate 8, and, the first electrode 6 and the second electrode 7 are connected with the electrolyte tank 5 in an interference fit manner, the bottoms of the first electrode 6 and the second electrode 7 are positioned in the electrolyte tank 5, the first electrode 6 is in contact with the first contact piece 9, the first electrode 6 is electrically connected with the first contact piece 9, the first electrode 6 is matched with the first contact piece 9, the second electrode 7 is in contact with the second contact piece 10, the second electrode 7 is electrically connected with the second contact piece 10, the second electrode 7 is matched with the second contact piece 10, the first connecting terminal 3 is electrically connected with the first contact piece 9 through a lead, the second connecting terminal 4 is electrically connected with the second contact piece 10 through a lead, vertical shafts 11 symmetrically penetrate through two sides of the partition plate 8, a sealing ring 12 is fixedly connected to the outer wall of the partition plate 8, a first spring 13 is arranged on the outer wall of the lower side of the vertical shaft 11, the partition plate 8 is in clearance fit connection with the vertical shafts 11, the upper end of the vertical shafts 11 is fixedly connected with the inner wall of the top of the lithium battery shell 1, the lower end of the vertical shaft 11 is fixedly connected with the top of the electrolyte tank 5, the first spring 13 is sleeved on the outer wall of the vertical shaft 11, the bottom of the partition plate 8 is connected with the top of the electrolyte tank 5 through the first spring 13, the sealing ring 12 is in contact with the inner wall of the lithium battery shell 1, the sealing ring 12 is matched with the lithium battery shell 1, circular grooves 14 are symmetrically formed in the inner walls of the two sides of the upper portion of the lithium battery shell 1, pressure relief holes 17 are symmetrically formed in the outer walls of the two sides of the upper portion of the lithium battery shell 1, the circular grooves 14 are located above the partition plate 8, a disc 15 is arranged on one side, close to the inside of the lithium battery shell 1, of the disc 15, a second spring 16 is fixedly connected to one side, far away from the inside of the lithium battery shell 1, the disc 15 is connected with the inner wall of the circular grooves 14 through the second spring 16, the disc 15 is matched with the circular grooves 14, one end of the pressure relief holes 17 is communicated with the inside of.
The utility model discloses a theory of operation is: in the using process, when violent electrolytic reaction occurs in the electrolyte tank 5, the temperature of the electrolyte tank 5 rises, so that the temperature of air between the electrolyte tank 5 and the partition plate 8 also rises sharply, the pressure intensity is increased, at the moment, the first spring 13 is stretched by the vertical shaft 11 to enable the partition plate 8 to move upwards, the partition plate 8 drives the first contact piece 9 and the second contact piece 10 to move upwards, namely, the contact with the first electrode 6 and the second electrode 7 is relieved, namely, the power supply to the first connecting terminal 3 and the second connecting terminal 4 is relieved, the function of preventing the damage of an electric appliance is achieved, when the partition plate 8 moves to the upper part of the circular groove 14, the air drives the disc 15 to move and extrude the second spring 16 until the pressure relief hole 17 is communicated with the inside of the lithium battery shell 1, at the moment, the pressure relief function of the pressure relief is achieved for the inside of the lithium battery shell 1 through the pressure relief hole 17, and the pressure, the safety during the repair process is increased.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A high voltage high lithium ternary material lithium battery, includes lithium battery shell (1), its characterized in that: the lithium battery comprises a lithium battery shell (1), and is characterized in that a first wiring terminal (3) is fixedly mounted on one side of the top of the lithium battery shell (1), a second wiring terminal (4) is fixedly mounted on the other side of the top of the lithium battery shell (1), an electrolyte tank (5) is fixedly connected to the lower side of the inside of the lithium battery shell (1), a partition plate (8) is arranged on the upper side of the inside of the lithium battery shell (1), a first electrode (6) penetrates through one side of the top of the electrolyte tank (5), a second electrode (7) penetrates through the other side of the top of the electrolyte tank (5), a first contact piece (9) is fixedly connected to one side of the bottom of the partition plate (8), a second contact piece (10) is fixedly connected to the other side of the bottom of the partition plate (8), vertical shafts (11) are symmetrically penetrated through two sides of the partition plate (8), sealing rings (12) are fixedly connected to the outer walls of, the lithium battery shell (1) is characterized in that round grooves (14) are symmetrically formed in two side inner walls of the upper portion of the lithium battery shell (1), pressure relief holes (17) are symmetrically formed in two side outer walls of the upper portion of the lithium battery shell (1), a disc (15) is arranged on one side, close to the inside of the lithium battery shell (1), of the round grooves (14), and a second spring (16) fixedly connected with one side, inside the lithium battery shell (1), of the disc (15) is far away.
2. A high voltage high lithium ternary material lithium battery as claimed in claim 1, characterized in that: the first electrode (6) and the second electrode (7) are connected with the electrolyte tank (5) in an interference fit mode, the bottoms of the first electrode (6) and the second electrode (7) are located inside the electrolyte tank (5), the first electrode (6) is in contact with the first contact piece (9), the first electrode (6) is electrically connected with the first contact piece (9), the first electrode (6) is matched with the first contact piece (9), the second electrode (7) is in contact with the second contact piece (10), the second electrode (7) is electrically connected with the second contact piece (10), the second electrode (7) is matched with the second contact piece (10), the first connecting terminal (3) is electrically connected with the first contact piece (9) through a lead, and the second connecting terminal (4) is electrically connected with the second contact piece (10) through a lead.
3. A high voltage high lithium ternary material lithium battery as claimed in claim 1, characterized in that: baffle (8) lead to clearance fit with vertical shaft (11) and be connected, the upper end of vertical shaft (11) and the top inner wall fixed connection of lithium cell casing (1), and the lower extreme of vertical shaft (11) and the top fixed connection of electrolyte bath (5), first spring (13) cover is established on the outer wall of vertical shaft (11), the bottom of baffle (8) is connected through first spring (13) with the top of electrolyte bath (5), sealing washer (12) and the inner wall contact of lithium cell casing (1), and sealing washer (12) and lithium cell casing (1) looks adaptation.
4. A high voltage high lithium ternary material lithium battery as claimed in claim 1, characterized in that: disc (15) are connected through second spring (16) with the inner wall of circular slot (14), disc (15) and circular slot (14) looks adaptation, the one end of pressure release hole (17) and the inside intercommunication of circular slot (14), disc (15) are in between circular slot (14) and lithium cell casing (1) inside intercommunication department and pressure release hole (17) and circular slot (14) intercommunication department.
5. A high voltage high lithium ternary material lithium battery as claimed in claim 1, characterized in that: the circular groove (14) is positioned above the partition plate (8).
6. A high voltage high lithium ternary material lithium battery as claimed in claim 1, characterized in that: the bottom fixedly connected with landing leg (2) of lithium cell casing (1), landing leg (2) are provided with four, four landing leg (2) set up four angles punishment in lithium cell casing (1) bottom respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020896746.6U CN212230558U (en) | 2020-05-25 | 2020-05-25 | High-voltage high-lithium ternary material lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020896746.6U CN212230558U (en) | 2020-05-25 | 2020-05-25 | High-voltage high-lithium ternary material lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212230558U true CN212230558U (en) | 2020-12-25 |
Family
ID=73929331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020896746.6U Expired - Fee Related CN212230558U (en) | 2020-05-25 | 2020-05-25 | High-voltage high-lithium ternary material lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212230558U (en) |
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2020
- 2020-05-25 CN CN202020896746.6U patent/CN212230558U/en not_active Expired - Fee Related
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| 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: 20201225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |