CN216054792U - Lithium ion battery negative pole piece - Google Patents
Lithium ion battery negative pole piece Download PDFInfo
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- CN216054792U CN216054792U CN202122088179.9U CN202122088179U CN216054792U CN 216054792 U CN216054792 U CN 216054792U CN 202122088179 U CN202122088179 U CN 202122088179U CN 216054792 U CN216054792 U CN 216054792U
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- pole piece
- heat dissipation
- shell
- dissipation shell
- lithium ion
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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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Abstract
The utility model discloses a lithium ion battery negative pole piece, which comprises a first pole piece, a second pole piece, a first heat dissipation shell, a second heat dissipation shell and a middle fixed seat, the middle-mounted fixing seat is connected with the right side of the first pole piece close to the middle end through a bolt, the middle-mounted fixing seat is connected with the left side of the second pole piece close to the middle end through a bolt, one class of coating is arranged on the periphery of the inner wall of the first heat dissipation shell, one class of coating is arranged on the periphery of the inner wall of the second heat dissipation shell, the first heat dissipation shell is connected with the first pole piece in a pressing way, the second heat dissipation shell is connected with the second pole piece in a pressing way, first heat dissipation shell top outer wall a week evenly is equipped with a shell radiating groove, second heat dissipation shell top outer wall a week evenly is equipped with two shell radiating grooves, relates to battery pole piece technical field, has alleviated the overheated problem of lithium ion battery negative pole piece when charging and discharging repeatedly, has alleviated the problem of short circuit and burning when lithium ion battery negative pole piece meets with and collides with and puncture damages.
Description
Technical Field
The utility model relates to the technical field of battery pole pieces, in particular to a lithium ion battery negative pole piece.
Background
A lithium ion battery is a secondary battery (rechargeable battery) that mainly works by lithium ion movement between a positive electrode and a negative electrode, and Li + is inserted and extracted back and forth between the two electrodes during charge and discharge: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; in the process of discharging, the lithium ion batteries are used in mobile phones and notebook computers, and are generally commonly called lithium batteries, the batteries generally adopt materials containing lithium elements as electrodes, and are representative of modern high-performance batteries, and real lithium batteries are rarely applied to daily electronic products due to high danger, so the lithium ion batteries also have positive and negative electrodes and adopt pole pieces, but the existing lithium ion battery negative pole pieces have many problems in use.
The prior lithium ion battery negative pole piece has the following problems when in use:
1. during the repeated charge and discharge use process of the lithium ion battery, the problem of overhigh temperature of a negative pole piece of the battery can occur;
and 2, when the negative pole piece of the lithium ion battery is collided and punctured and damaged, the battery has the problems of short circuit and combustion.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a lithium ion battery negative pole piece, which relieves the overheating problem of the lithium ion battery negative pole piece during repeated charging and discharging and relieves the problems of short circuit and combustion when the lithium ion battery negative pole piece is collided and punctured and damaged.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a lithium ion battery negative pole piece, includes first pole piece, second pole piece, first heat dissipation shell, second heat dissipation shell and built-in fixing base, the fixing base is put through bolted connection near the middle part department on first pole piece right side, the fixing base is put through bolted connection near the middle part department on second pole piece left side, first heat dissipation shell inner wall a week is equipped with a type of coating, second heat dissipation shell inner wall a week is equipped with two types of coatings, first pole piece is connected to first heat dissipation shell pressfitting, second heat dissipation shell pressfitting connection second pole piece, first heat dissipation shell top outer wall a week evenly is equipped with a shell radiating groove, second heat dissipation shell top outer wall a week evenly is equipped with two shell radiating grooves.
Preferably, first heat dissipation shell left side outer wall fixedly connected with shell fixed block in proper order, second heat dissipation shell right side outer wall fixedly connected with two shell fixed blocks in proper order.
Preferably, the front end and the rear end of the first pole piece are respectively provided with a flame retardant block, and a flame retardant strip is uniformly bonded on the periphery of the outer wall of the first pole piece.
Preferably, the front end and the rear end of the second pole piece are respectively provided with two flame-retardant blocks, and two flame-retardant strips are uniformly bonded on the periphery of the outer wall of the second pole piece.
Preferably, a left-position input end is arranged at the position, close to the middle end, of the rear side of the first pole piece, and a left-position output end is arranged at the position, close to the middle end, of the front side of the first pole piece.
Preferably, a right-position input end is arranged at the position, close to the middle end, of the rear side of the second pole piece, and a right-position output end is arranged at the position, close to the middle end, of the front side of the second pole piece.
(III) advantageous effects
The utility model provides a lithium ion battery negative pole piece. The method has the following beneficial effects:
(1) the lithium ion battery negative pole piece is provided with a first pole piece, a second pole piece, a first heat dissipation shell and a second heat dissipation shell, the pole piece region is divided into two parts, the heat dissipation performance can be enhanced and the overheating can be reduced while the same battery capacity is kept, meanwhile, the double pole piece region is provided with large-area wrapping type heat dissipation shells, the whole body is kept to be efficiently dissipated through the large-area heat dissipation shells made of synthetic materials, the first heat dissipation shell region is uniformly provided with a shell heat dissipation groove and a first-class coating, the first shell heat dissipation groove can keep the heat to be rapidly transferred through the exposed design, the first-class coating can keep the external performance of the first pole piece region, the whole transfer efficiency between the heat and the first heat dissipation shell can be kept, the second heat dissipation shell region is uniformly provided with a second shell heat dissipation groove and a second-class coating, the second shell heat dissipation groove can keep the heat to be rapidly transferred through the exposed design, the second type of coating can keep the external performance of the second pole piece region, simultaneously can keep the overall transmission high efficiency between heat and the second heat dissipation shell, and is matched with relevant structural parts to operate, so that the overheating problem of the lithium ion battery negative pole piece during repeated charge and discharge is relieved;
(2) this kind of lithium ion battery negative pole piece, through being equipped with put fixing base in, first pole piece and second pole piece, the pole piece is when installing and using, put fixing base in can by the regional stable support intensity that provides of middle-end, and the regional one shell fixed block in both ends and two shell fixed blocks also can provide resistant intensity of colliding with and stabilize, even when the regional damage or puncture that takes place of pole piece, simultaneously because both ends all are equipped with one kind fire-retardant piece around the first pole piece region, and outer wall a week evenly bonds and has one kind fire-retardant strip, both ends all are equipped with two kinds of fire-retardant pieces around the second pole piece, and outer wall a week evenly bonds and has two kinds of fire-retardant strips, so the bipolar plate region all can keep fire-retardant effect through fire-retardant piece separately, and the fire-retardant strip that evenly is equipped with not only can keep covering fire-retardant, can also carry out the external strength reinforcing, through the function of mutually supporting of relevant structure spare part, so it meets with the short circuit and the burning when colliding with and puncture damage to have alleviated lithium ion battery negative pole piece, short circuit and has been damaged and has been in the trouble of burning To give a title.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a structural diagram of the outer covering of the first electrode plate area according to the present invention;
FIG. 4 is a diagram of a second diode region covering structure according to the present invention.
In the figure: the structure comprises a first pole piece-1, a second pole piece-2, a first heat dissipation shell-3, a second heat dissipation shell-4, a first shell heat dissipation groove-5, a first shell fixing block-6, a left input end-7, a left output end-8, a second shell heat dissipation groove-9, a second shell fixing block-10, a right input end-11, a right output end-12, a middle fixing seat-13, a first type coating-14, a second type coating-15, a first type flame retardant block-16, a first type flame retardant strip-17, a second type flame retardant block-18 and a second type flame retardant strip-19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a lithium ion battery negative pole piece comprises a first pole piece 1, a second pole piece 2, a first heat dissipation shell 3, a second heat dissipation shell 4 and a middle fixed seat 13, wherein the middle fixed seat 13 is connected with the right side of the first pole piece 1 through a bolt, the middle fixed seat 13 is connected with the left side of the second pole piece 2 through a bolt, the middle fixed seat 13 can provide stable supporting strength from the middle area, a first type coating 14 is arranged on the periphery of the inner wall of the first heat dissipation shell 3, a second type coating 15 is arranged on the periphery of the inner wall of the second heat dissipation shell 4, the first heat dissipation shell 3 is connected with the first pole piece 1 in a pressing mode, the second heat dissipation shell 4 is connected with the second pole piece 2 in a pressing mode, the first type coating 14 can keep the external performance of the first pole piece 1, meanwhile, the overall transmission efficiency between heat and the first heat dissipation shell 3 can be kept, and the second type coating 15 keeps the external performance of the second pole piece 2, can keep the whole transmission high efficiency between heat and second heat dissipation shell 4, 3 top outer wall a week of first heat dissipation shell evenly are equipped with a shell radiating groove 5, 4 top outer wall a week of second heat dissipation shell evenly are equipped with two shell radiating grooves 9, and a shell radiating groove 5 can keep the heat fast transfer in first pole piece 1 and first heat dissipation shell 3 region through exposing the design, and two shell radiating grooves 9 can keep the heat fast transfer in second pole piece 2 and second heat dissipation shell 4 region through exposing the design.
3 left side outer walls of first heat dissipation shell are fixedly connected with shell fixed block 6 in proper order, 4 right side outer walls of second heat dissipation shell are fixedly connected with two shell fixed blocks 10 in proper order, and the regional shell fixed block 6 in both ends also can provide resistant intensity of colliding with two shell fixed blocks 10 and stabilize, keep both ends fastening erection joint separately.
The front end and the rear end of the first pole piece 1 are respectively provided with a first-class flame-retardant block 16, a first-class flame-retardant strip 17 is uniformly bonded on the periphery of the outer wall of the first pole piece 1, when the first pole piece 1 is damaged or punctured, the first-class flame-retardant blocks 16 at the two ends can keep blocking flame retardance, and the uniformly-arranged first-class flame-retardant strips 17 can enhance the external strength while keeping covering flame retardance.
Two fire-retardant pieces 18 of second pole piece 2 front and back both ends all are equipped with, 2 outer wall a week of second pole piece is evenly bonded and is had two fire-retardant strips 19, when the regional damage or puncture that takes place of second pole piece 2, two fire-retardant pieces 18 of two ends can keep blocking fire-retardant, and two fire-retardant strips 19 of evenly being equipped with can strengthen external strength when keeping covering fire-retardant.
The utility model discloses a power transmission device, including first pole piece 1, front and back corresponding left position input 7 and left position output 8, first pole piece 1 rear side is close to middle-end department and is equipped with left position input 7, first pole piece 1 front side is close to middle-end department and is equipped with left position output 8, can provide the regional independent and stable electric power of first pole piece and charge and discharge transmission tie point.
The department is close to the middle-end near second pole piece 2 rear side is equipped with right bit input 11, 2 front sides of second pole piece are close to middle-end department and are equipped with right bit output 12, and the right bit input 11 and the right bit output 12 that correspond around can provide the regional independent and stable electric power of second pole piece 2 and fill and discharge the transmission tie point.
The working principle is as follows: when the pole piece is installed and used, the middle fixing seat 13 can provide stable supporting strength from a middle end area, the first shell fixing block 6 and the second shell fixing block 10 at two end areas can also provide stable anti-collision strength, the pole piece area is divided into two parts during operation, the heat dissipation performance can be enhanced and overheating can be reduced while the same battery capacity is kept, the front and back corresponding left input end 7 and left output end 8 can provide independent and stable power charge-discharge transmission connection points of the first pole piece 1 area, the front and back corresponding right input end 11 and right output end 12 can provide independent and stable power charge-discharge transmission connection points of the second pole piece 2 area, meanwhile, the double pole piece areas are provided with large-area wrapping type heat dissipation shells, the whole high-efficiency heat dissipation is kept through the large-area heat dissipation shells made of synthetic materials, and the first heat dissipation shell 3 area is uniformly provided with a shell heat dissipation groove 5 and a class coating 14, the first-shell heat dissipation groove 5 can keep heat fast transfer through an exposed design, the first-class coating 14 can keep the external performance of the first pole piece 1 area, meanwhile, the overall transfer efficiency between the heat and the first heat dissipation shell 3 can be kept, the second-shell heat dissipation groove 9 and the second-class coating 15 are uniformly arranged in the second heat dissipation shell 4 area, the second-shell heat dissipation groove 9 can keep the heat fast transfer through the exposed design, the second-class coating 15 can keep the external performance of the second pole piece 2 area, meanwhile, the overall transfer efficiency between the heat and the second heat dissipation shell 4 can be kept, when the pole piece area is damaged or punctured, because the front end and the rear end of the first pole piece 1 area are respectively provided with the first-class flame retardant blocks 16, the first-class flame retardant strips 17 are uniformly bonded on the periphery of the outer wall, the front end and the rear end of the second pole piece 2 are respectively provided with the second-class flame retardant blocks 18, and the second-class flame retardant strips 19 are uniformly bonded on the periphery of the outer wall, the bipolar piece area can keep the flame retardant effect through the respective flame retardant blocks, and the uniformly arranged flame-retardant strips can not only keep covering flame retardance, but also enhance the external strength.
The utility model comprises the following steps: the lithium ion battery comprises a first pole piece-1, a second pole piece-2, a first heat dissipation shell-3, a second heat dissipation shell-4, a first shell heat dissipation groove-5, a first shell fixing block-6, a left input end-7, a left output end-8, a second shell heat dissipation groove-9, a second shell fixing block-10, a right input end-11, a right output end-12, a middle fixing seat-13, a first type coating-14, a second type coating-15, a first type flame retardant block-16, a first type flame retardant strip-17, a second type flame retardant block-18 and a second type flame retardant strip-19, wherein the components are all universal standard components or components known by technical manuals or conventional experimental methods, and the structure and the principle of the components are known by the technical manuals or known by the conventional experimental methods, and the utility model solves the problem 1. the existing lithium ion battery has the repeated charge and discharge use process, the utility model has the advantages that the overheating problem of the lithium ion battery negative pole piece during repeated charging and discharging is relieved through the mutual combination of the components, and the problems of short circuit and combustion during the collision and puncture damage of the lithium ion battery negative pole piece are relieved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a lithium ion battery negative pole piece which characterized in that: comprises a first pole piece (1), a second pole piece (2), a first heat dissipation shell (3), a second heat dissipation shell (4) and a middle fixed seat (13), the right side of the first pole piece (1) close to the middle end is connected with a middle fixed seat (13) through a bolt, the left side of the second pole piece (2) close to the middle end is connected with a middle fixed seat (13) through a bolt, a first-class coating (14) is arranged on the periphery of the inner wall of the first heat dissipation shell (3), a second-class coating (15) is arranged on the periphery of the inner wall of the second heat dissipation shell (4), the first heat dissipation shell (3) is connected with the first pole piece (1) in a pressing way, the second heat dissipation shell (4) is connected with the second pole piece (2) in a pressing way, a shell radiating groove (5) is uniformly arranged on the periphery of the outer wall of the top of the first radiating shell (3), and two heat dissipation grooves (9) are uniformly formed in the periphery of the outer wall of the top of the second heat dissipation shell (4).
2. The lithium ion battery negative electrode plate of claim 1, characterized in that: first heat dissipation shell (3) left side outer wall fixedly connected with shell fixed block (6) in proper order, second heat dissipation shell (4) right side outer wall fixedly connected with two shell fixed blocks (10) in proper order.
3. The lithium ion battery negative electrode plate of claim 1, characterized in that: both ends all are equipped with one kind fire-retardant piece (16) around first pole piece (1), first pole piece (1) outer wall a week is evenly bonded has one kind fire-retardant strip (17).
4. The lithium ion battery negative electrode plate of claim 1, characterized in that: two fire-retardant pieces (18) of second class are all equipped with at both ends around second pole piece (2), second pole piece (2) outer wall a week is evenly bonded has two fire-retardant strips (19).
5. The lithium ion battery negative electrode plate of claim 1, characterized in that: the left-position input end (7) is arranged at the position, close to the middle end, of the rear side of the first pole piece (1), and the left-position output end (8) is arranged at the position, close to the middle end, of the front side of the first pole piece (1).
6. The lithium ion battery negative electrode plate of claim 1, characterized in that: the rear side of the second pole piece (2) is provided with a right-position input end (11) close to the middle end, and the front side of the second pole piece (2) is provided with a right-position output end (12) close to the middle end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122088179.9U CN216054792U (en) | 2021-09-01 | 2021-09-01 | Lithium ion battery negative pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122088179.9U CN216054792U (en) | 2021-09-01 | 2021-09-01 | Lithium ion battery negative pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054792U true CN216054792U (en) | 2022-03-15 |
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ID=80623385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122088179.9U Active CN216054792U (en) | 2021-09-01 | 2021-09-01 | Lithium ion battery negative pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054792U (en) |
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2021
- 2021-09-01 CN CN202122088179.9U patent/CN216054792U/en active Active
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