CN218160497U - Verification device for battery infiltration process - Google Patents
Verification device for battery infiltration process Download PDFInfo
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- CN218160497U CN218160497U CN202222173307.4U CN202222173307U CN218160497U CN 218160497 U CN218160497 U CN 218160497U CN 202222173307 U CN202222173307 U CN 202222173307U CN 218160497 U CN218160497 U CN 218160497U
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- 238000001764 infiltration Methods 0.000 title claims abstract description 32
- 230000008595 infiltration Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 14
- 238000012795 verification Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 33
- 230000005484 gravity Effects 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 13
- 238000010200 validation analysis Methods 0.000 claims 1
- 238000002791 soaking Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 16
- 239000003792 electrolyte Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a verification device for a battery infiltration process, which comprises an operation box, a heating mechanism, a temperature detection mechanism and a weight detection mechanism; the interior of the operation box is divided into at least three spaces by a heat insulation plate, a heating mechanism is not arranged in one space, and heating mechanisms are arranged in the rest spaces; all the spaces are provided with temperature detection mechanisms and weight detection mechanisms. The utility model discloses be provided with control box, heating mechanism, temperature detection mechanism, weight detection mechanism in verifying the device, can obtain the optimal parameter of soaking to can effectively improve the effect of soaking of battery.
Description
Technical Field
The utility model relates to a lithium ion battery technical field specifically is a verification device for battery infiltration technology.
Background
The cylindrical lithium ion battery has the advantages of high energy density, high safety performance, high module adaptability, high Pack space utilization rate, low manufacturing cost and the like, so that the cylindrical lithium ion battery has wide attention in the industry and has good application prospect in the field of new energy electric vehicles; in 2021, domestic battery manufacturing enterprises begin to plan the capacity of large cylindrical batteries, and the battery manufacturing enterprises are expected to release large capacity in 2022-2027 years, so that the market share of the cylindrical batteries gradually rises, and the future is happy; meanwhile, the rapid development of the electric vehicle market also puts higher requirements on the capacity density of a battery monomer and a system, namely the new energy electric vehicle is required to have high endurance; future development planning of the power battery is explicitly proposed in '2025 made by China' in 2017, the energy density of the single battery reaches 300 W.h/kg in 2020, the energy density of the system reaches 260 W.h/kg, and the energy density of the single battery reaches 400 W.h/kg in 2025.
Under the dual driving of national policy and market, the cylindrical battery takes high energy density as a target, the size of the cylindrical battery is designed towards a large size direction, but the cylindrical battery adopts a full-tab design, the winding tension of a winding machine is large in a pole piece winding stage, and the radial size of a winding core after winding is large, so that the battery infiltration effect is poor; the infiltration process is a key link in battery manufacturing, and the infiltration effect directly influences the yield of the cylindrical battery and also influences the cycle performance, discharge performance, rate performance and the like of the battery; in the prior art, a device for verifying the parameters of the infiltration process to obtain the optimal infiltration parameters to improve the infiltration effect is not disclosed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a verification device for battery infiltration technology is provided to solve among the prior art problem that the effect is not good to be infiltrated influence battery performance (including circulation, multiplying power, fill performance etc.) soon.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
a verification device for a battery infiltration process comprises an operation box (1), a heating mechanism (2), a temperature detection mechanism (3) and a weight detection mechanism (4); the interior of the operation box (1) is divided into at least three spaces by a heat insulation plate (121), a heating mechanism (2) is not arranged in one space, and heating mechanisms (2) are arranged in the rest spaces; all the spaces are internally provided with a temperature detection mechanism (3) and a weight detection mechanism (4).
Has the advantages that: through the arrangement of the plurality of spaces and the heating mechanism, the temperature detection mechanism and the weight detection mechanism, the spaces are adjusted to be at the same temperature through the heating mechanism and then are placed in the battery for soaking, the soaking time of each space is controlled, the influence of the battery soaking effect in the soaking time can be obtained, the spaces are adjusted to be at different temperatures through the heating mechanism and then are placed in the battery for soaking, the influence of the battery soaking effect in the soaking temperature can be obtained, and the temperature and the time with the best battery soaking effect can be obtained through multiple comparison experiments; taking the optimal soaking time as a fixed quantity, taking a space without a heating mechanism as a room temperature control group, adjusting the space to different temperatures by the heating mechanism, placing the space into a battery for soaking, and obtaining the influence of the soaking temperature on the electrolyte by the weight detection mechanism; through the arrangement, the optimal infiltration parameters can be obtained, so that the infiltration effect of the battery can be effectively improved.
Further, the device also comprises a first cooling mechanism (5), wherein the first cooling mechanism (5) is fixed in the space with the heating mechanism (2).
Furthermore, the first cooling mechanism (5) is a fan, the fan is fixed in the space with the heating mechanism (2) through a fixing frame (51), and the fan and the heating mechanism (2) are fixed on different side walls.
Further, the device also comprises a second cooling mechanism (6), wherein the second cooling mechanism (6) is fixed on the outer side wall of the space with the heating mechanism (2).
Further, the second cooling mechanism (6) is a cooling pipe.
Has the advantages that: through the setting of first cooling body, second cooling body, can be after the detection, the temperature of rapid cooling battery surface and inside reduces the influence of high temperature to electrolyte, can effectively reduce the loss of battery performance.
Furthermore, the operation box (1) comprises a box body (12) and box doors (14), wherein the box body (12) is provided with an opening at one side, each space is provided with the box door (14) in a matched manner, and the box doors (14) are rotatably connected with the box body (12); the box body (12) is internally divided into at least three spaces by a heat insulation plate (121).
Furthermore, an induction display (125) is fixed on the box body (12), and the temperature detection mechanisms (3) are electrically connected with the induction display (125).
Has the beneficial effects that: through the setting of the induction display, the temperature and the time change in the battery soaking process in the space can be displayed in real time.
Furthermore, the heating mechanism (2) is a plurality of heating pipes.
Furthermore, the temperature detection mechanism (3) is a temperature sensor, and the temperature sensor and the heating mechanism (2) are fixed on different side walls.
Furthermore, the weight detection mechanism (4) is a gravity sensor, the gravity sensor is fixed on the bottom wall in the space, batteries to be detected are placed on the gravity sensor respectively, and electronic induction wires are fixed on the gravity sensor.
Has the advantages that: through the setting of electron induction line, the change of record battery gravity that can be accurate.
The utility model has the advantages that:
the utility model discloses be provided with control box, heating mechanism, temperature detection mechanism, weight detection mechanism in verifying the device, can obtain the optimal parameter of infiltrating to can effectively improve the infiltration effect of battery.
The utility model discloses a first cooling body, second cooling body's setting can be after the detection, and the temperature of cooling off battery surface and inside fast reduces the influence of high temperature to electrolyte, can effectively reduce the loss of battery performance.
The utility model discloses a temperature and the time variation of in-process are soaked to battery in can real-time display space in the setting of response display.
The utility model discloses a setting of electronic induction line, the change of record battery gravity that can be accurate.
Drawings
Fig. 1 is a front view of a verification device according to an embodiment of the present invention;
fig. 2 is a perspective view of a verification device according to an embodiment of the present invention;
fig. 3 is a perspective view of another perspective view of a verification device according to an embodiment of the present invention;
fig. 4 is a left side view of a verification device according to an embodiment of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the present embodiment provides a verification apparatus for a battery infiltration process, which includes an operation box 1, a heating mechanism 2, a temperature detection mechanism 3, a weight detection mechanism 4, a first cooling mechanism 5, and a second cooling mechanism 6.
As shown in fig. 1 and 2, the operation box 1 includes a box body 12 and a box door 14; the box body 12 is provided with an opening at one side; the interior of the box body 12 is divided into at least three spaces by a heat insulation plate 121, and the interior of the box body 12 is divided into three spaces by the heat insulation plate 121 in the embodiment, namely a first space 122, a second space 123 and a third space 124 in sequence from top to bottom; each space is provided with a box door 14 in a matching way, and the box door 14 is rotationally connected with the box body 12; when the vacuum box works, the box door 14 and the box body 12 are completely attached, so that a vacuum environment is formed in each space;
as shown in fig. 1, 2 and 3, an induction display 125 is fixed on the outer side of the side wall of the case 12 close to the temperature detection mechanism 3; the heating mechanism 2 and the first cooling mechanism 5 are fixed in the first space 122 and the second space 123; a temperature detection mechanism 3 and a weight detection mechanism 4 are fixed in the three spaces; the temperature detection mechanisms 3 are electrically connected with the induction display 125 and are used for displaying the temperature and the time in the battery soaking process; when the device works, the three batteries to be detected are respectively placed into the three spaces, and the weight detection mechanism 4 can detect the weights of the three batteries to be detected; as shown in fig. 4, the second cooling mechanism 6 is fixed to the top wall of the cabinet 12 and the outer front wall of the first space 122 and the second space 123.
As shown in fig. 1 and 2, the heating mechanism 2 is a plurality of heating pipes, and the plurality of heating pipes are sequentially fixed to the front plates in the first space 122 and the second space 123.
As shown in fig. 1 and 2, the temperature detection mechanism 3 is a temperature sensor, and the temperature sensor is fixed to a side wall of the first space 122, the second space 123, and the third space 124, which is far from the door 14.
As shown in fig. 1 and 2, the weight detecting mechanism 4 is a gravity sensor, the gravity sensor is fixed on the bottom wall of the first space 122, the second space 123 and the third space 124, and the batteries to be detected are respectively placed on the gravity sensor; electronic sensing lines (not shown) are fixed on the gravity sensors and used for recording gravity changes.
As shown in fig. 1, 2, and 3, the first cooling mechanism 5 is a fan, the fan is fixed on the side wall of the first space 122 and the second space 123 far from the door 14 through a fixing frame 51, the fixing frame 51 is disposed in a lying U shape, and the temperature sensors in the first space 122 and the second space 123 are located in the gap of the fixing frame 51.
As shown in fig. 1, 2, and 4, the second cooling mechanism 6 includes a first cooling pipe 61 and a second cooling pipe 62, the first cooling pipe 61 is fixed to the top wall of the box body 12, and the second cooling pipe 62 is fixed to the front wall of the box body 12 outside the first space 122 and the second space 123.
When the battery immersion testing device is used, a battery to be tested is placed on the gravity sensor, the temperature in the first space 122 and the temperature in the second space 123 are regulated to be the same through controlling the heating pipe, the first space 122 and the second space 123 are controlled to be different in immersion time, and the influence of the battery immersion effect of the immersion time can be obtained; the heating pipes are controlled to adjust the temperatures in the first space 122 and the second space 123 to be different, the soaking time is the same, and the influence of the soaking effect of the battery at the soaking temperature can be obtained; the temperature and the time are recorded through the mutual cooperation of the temperature sensor and the induction display 125; the influence of temperature and time on the battery infiltration effect can be verified by observing a battery disassembly interface after the battery is verified by a disassembly experiment, and the temperature and the time with the best battery infiltration effect are recorded by multiple comparison experiments; in addition, the heating pipe is controlled to regulate the temperatures in the first space 122 and the second space 123 to different temperatures, the room temperature of the third space 124 is used as a comparison group, the battery to be tested is placed on a gravity sensor, the gravity sensor is connected with an electronic induction line, the change of gravity in the infiltration process is recorded, a data curve can be output, the influence of the infiltration temperature on the electrolyte is judged, and the optimal infiltration temperature can be obtained; after various parameters (infiltration temperature and infiltration time) of the infiltration process are determined through the operation, the optimal infiltration temperature and infiltration time are adopted, different liquid injection amounts are set, the infiltration effect is subjected to gradient verification, the influence of the liquid injection amount on the infiltration effect can be verified, and the liquid injection and infiltration process is further optimized; after the detection is finished, the heating pipe is closed, the cooling pipe is communicated with cooling liquid for heat dissipation and the fan works for cooling and heat dissipation to the battery to be detected after high-temperature infiltration, circulating cooling is formed, the temperature of the surface and the inside of the battery can be cooled rapidly, the influence of high temperature on electrolyte is reduced, and the loss of the performance of the battery can be effectively reduced.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A verification device for a battery infiltration process is characterized by comprising an operation box (1), a heating mechanism (2), a temperature detection mechanism (3) and a weight detection mechanism (4);
the interior of the operation box (1) is divided into at least three spaces by a heat insulation plate (121), a heating mechanism (2) is not arranged in one space, and heating mechanisms (2) are arranged in the rest spaces;
all the spaces are internally provided with a temperature detection mechanism (3) and a weight detection mechanism (4).
2. The apparatus of claim 1, wherein the apparatus comprises: the heating device is characterized by further comprising a first cooling mechanism (5), wherein the first cooling mechanism (5) is fixed in the space with the heating mechanism (2).
3. The apparatus of claim 2, wherein the apparatus comprises: the first cooling mechanism (5) is a fan, the fan is fixed in a space with the heating mechanism (2) through a fixing frame (51), and the fan and the heating mechanism (2) are fixed on different side walls.
4. The apparatus of claim 1, wherein the apparatus comprises: the heating device is characterized by further comprising a second cooling mechanism (6), wherein the second cooling mechanism (6) is fixed on the outer side wall of the space with the heating mechanism (2).
5. The apparatus of claim 4, wherein the apparatus comprises: the second cooling mechanism (6) is a cooling pipe.
6. A validation apparatus for use in a battery infiltration process according to any of claims 1-5, wherein: the operation box (1) comprises a box body (12) and box doors (14), wherein one side of the box body (12) is provided with an opening, each space is provided with the box door (14) in a matched mode, and the box doors (14) are rotatably connected with the box body (12); the box body (12) is internally divided into at least three spaces by a heat insulation plate (121).
7. The apparatus of claim 6, wherein the apparatus comprises: an induction display (125) is fixed on the box body (12), and the temperature detection mechanisms (3) are electrically connected with the induction display (125).
8. The apparatus of claim 1, wherein the apparatus comprises: the heating mechanism (2) is a plurality of heating pipes.
9. The apparatus of claim 1, wherein the apparatus comprises: the temperature detection mechanism (3) is a temperature sensor, and the temperature sensor and the heating mechanism (2) are fixed on different side walls.
10. The apparatus of claim 1, wherein the apparatus comprises: the weight detection mechanism (4) is a gravity sensor, the gravity sensor is fixed on the bottom wall in the space, and electronic induction lines are fixed on the gravity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222173307.4U CN218160497U (en) | 2022-08-17 | 2022-08-17 | Verification device for battery infiltration process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222173307.4U CN218160497U (en) | 2022-08-17 | 2022-08-17 | Verification device for battery infiltration process |
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| Publication Number | Publication Date |
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| CN218160497U true CN218160497U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222173307.4U Active CN218160497U (en) | 2022-08-17 | 2022-08-17 | Verification device for battery infiltration process |
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| CN (1) | CN218160497U (en) |
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- 2022-08-17 CN CN202222173307.4U patent/CN218160497U/en active Active
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