CN211505102U - Device for testing wettability of electrolyte of battery diaphragm - Google Patents

Device for testing wettability of electrolyte of battery diaphragm Download PDF

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Publication number
CN211505102U
CN211505102U CN201922428839.6U CN201922428839U CN211505102U CN 211505102 U CN211505102 U CN 211505102U CN 201922428839 U CN201922428839 U CN 201922428839U CN 211505102 U CN211505102 U CN 211505102U
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China
Prior art keywords
container
electrolyte
diaphragm
wettability
vacuum
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Active
Application number
CN201922428839.6U
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Chinese (zh)
Inventor
朱克均
曹江
余磊
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Shenzhen Deli New Material Technology Co ltd
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Shenzhen Deli New Material Technology Co ltd
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Abstract

The utility model relates to a battery diaphragm technical field, in particular to battery diaphragm's electrolyte wettability testing arrangement, including the vacuum seal cover, be equipped with the container of placing the diaphragm in the vacuum seal cover, be equipped with air compression device on the container, the both sides of container bottom are equipped with the fluting of pouring into electrolyte into. The testing device can observe the wettability of the electrolyte intuitively, so that manufacturers can know the wettability of the diaphragm intuitively, the diaphragm with good wettability is selected, the occurrence of bad phenomena in the production process is effectively avoided, and the testing device has great practical value for actual production.

Description

Device for testing wettability of electrolyte of battery diaphragm
Technical Field
The utility model relates to a battery diaphragm technical field, in particular to battery diaphragm's electrolyte wettability testing arrangement.
Background
The battery consists of anode and cathode materials, an intermediate diaphragm and electrolyte. The separator serves to separate the positive and negative electrode materials therein and to provide an ion transport channel. Therefore, the good wettability of the separator with respect to the electrolyte has a great influence on the performance of the battery.
The battery is formed by hot pressing anode, cathode and diaphragm materials under the pressure of about 0.5 MPa-1 MPa in the assembling process, and then electrolyte is injected in the vacuum-pumping environment. At the moment, because the battery is subjected to hot press molding, whether the electrolyte can completely soak the diaphragm material is difficult to visually measure.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the utility model provides a battery separator's electrolyte wettability testing arrangement to solve the problem that proposes in the above-mentioned background art.
The utility model provides a technical scheme that problem among the prior art adopted does: the utility model provides a battery diaphragm's electrolyte wettability testing arrangement, includes the vacuum seal cover, be equipped with the container of placing the diaphragm in the vacuum seal cover, be equipped with air compressor arrangement on the container, the both sides of container bottom are equipped with the fluting of pouring into electrolyte into.
As the preferred scheme of the utility model, what vacuum seal cover and container all adopted is transparent material.
As the preferred scheme of the utility model, be equipped with the vacuum connector on the vacuum seal cover, the vacuum connector is connected with outside vacuum apparatus.
As the utility model discloses a preferred scheme, air compressor unit is including setting up the piston at the container top, the external air compressor unit of piston.
As the preferred scheme of the utility model, the container is the cuboid container.
Compared with the prior art, the utility model discloses following technological effect has:
the utility model discloses in a battery diaphragm's electrolyte wettability testing arrangement, the device can observe the electrolyte and soak the required time of diaphragm completely from the diaphragm both sides, and then can compare out the wettability of diaphragm to electrolyte through the time of each kind of diaphragm complete infiltration of contrast.
Drawings
Fig. 1 is a structural diagram of an electrolyte wettability testing apparatus for a battery separator according to the present invention.
Reference numbers in the figures: 1. a vacuum seal cover; 2. a container; 3. a diaphragm; 4. a piston; 5. grooving; 6. an electrolyte; 7. a vacuum connection port; 8. and (4) connecting the pipes.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in figure 1: the utility model provides a battery diaphragm's electrolyte wettability testing arrangement, the device is outmost to be one can take out vacuum state's vacuum seal cover 1, vacuum seal cover 1 inside is provided with container 2 of placing diaphragm 3, be equipped with air compressor arrangement on container 2, exert pressure to placing diaphragm 3 in container 2 through air compressor arrangement to can be with this pressure size regulation for with battery hydraulic pressure technology in the pressure size that diaphragm 3 received unanimously the both sides of 2 bottoms of container are equipped with fluting 5 that pours into electrolyte 6 into, electrolyte 6 from 5 injection of fluting at both ends in container 2.
Preferably, the vacuum tight cover 1 and the container 2 are made of transparent materials, and the infiltration of the membrane 3 in the container 2 can be visually observed by adopting the materials.
Preferably, the vacuum sealing cover 1 is provided with a vacuum connection port 7, the vacuum connection port 7 is connected with an external vacuum device, and the vacuum sealing cover 1 is vacuumized by the external vacuum device.
Preferably, the air compressing device comprises a piston 4 arranged at the top of the container 2, the piston 4 is externally connected with the air compressing device through a connecting pipe 8, and the magnitude of the pressure applied to the diaphragm 3 by the piston 4 is adjusted through the air compressing device.
Preferably, the container 2 is a rectangular parallelepiped container 2.
The working principle is as follows: the method comprises the steps of placing tested diaphragm 3 materials in a container 2, adjusting pressure applied to a diaphragm 3 by a piston 4 through an air compression device to be consistent with pressure received by the diaphragm 3 in an actual battery hot-pressing process, vacuumizing a vacuum sealing cover 1 through external vacuum equipment, injecting electrolyte 6 added with pigments from slots 5 on two sides of the bottom of the container 2, observing time required by the electrolyte 6 from two sides of the diaphragm 3 to completely soak the diaphragm 3, and comparing wettability of the diaphragm 3 to the electrolyte 6 by comparing the time of completely soaking each diaphragm 3.
The utility model discloses in 6 wettability testing arrangement of electrolyte of battery diaphragm 3, the device can directly perceivedly measure diaphragm 3 and wet 6 electrolyte, let the producer have directly perceived understanding to diaphragm 3's wetting ability to select the diaphragm 3 that wetting property is good, effectively avoid the emergence of harmful phenomenon in the production process, have huge practical value to actual production.
Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a battery separator's electrolyte wettability testing arrangement which characterized in that: the vacuum diaphragm filling device comprises a vacuum sealing cover, wherein a container for placing a diaphragm is arranged in the vacuum sealing cover, an air compression device is arranged on the container, and open grooves for injecting electrolyte are formed in two sides of the bottom of the container.
2. The apparatus for testing the wettability of a battery separator with an electrolyte according to claim 1, wherein: the vacuum sealing cover and the container are both made of transparent materials.
3. The apparatus for testing the wettability of a battery separator with an electrolyte according to claim 1, wherein: and a vacuum connecting port is arranged on the vacuum sealing cover and is connected with external vacuum equipment.
4. The apparatus for testing the wettability of a battery separator with an electrolyte according to claim 1, wherein: the air compression device comprises a piston arranged at the top of the container, and the piston is externally connected with the air compression device.
5. The apparatus for testing the wettability of a battery separator with an electrolyte according to claim 1, wherein: the container is a cuboid container.
CN201922428839.6U 2019-12-29 2019-12-29 Device for testing wettability of electrolyte of battery diaphragm Active CN211505102U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922428839.6U CN211505102U (en) 2019-12-29 2019-12-29 Device for testing wettability of electrolyte of battery diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922428839.6U CN211505102U (en) 2019-12-29 2019-12-29 Device for testing wettability of electrolyte of battery diaphragm

Publications (1)

Publication Number Publication Date
CN211505102U true CN211505102U (en) 2020-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922428839.6U Active CN211505102U (en) 2019-12-29 2019-12-29 Device for testing wettability of electrolyte of battery diaphragm

Country Status (1)

Country Link
CN (1) CN211505102U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112858103A (en) * 2021-01-11 2021-05-28 湖北亿纬动力有限公司 Wettability testing device and testing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112858103A (en) * 2021-01-11 2021-05-28 湖北亿纬动力有限公司 Wettability testing device and testing method thereof

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