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Inert atmosphere-based electrochemical testing device and method of high-temperature molten salt

A test device, high-temperature molten salt technology, applied in the direction of measuring devices, scientific instruments, material analysis through electromagnetic means, etc., can solve the problems of complicated operation, complex steps, etc., to simplify the operation steps, ensure operability, The effect of streamlining the testing process

Active Publication Date: 2017-05-10
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Batteries using high-temperature molten salt electrolyte systems such as thermal batteries need to be tested for electrochemical performance in a high-temperature environment. However, the activation, heating and sealing systems required for the test are many and complicated.
[0004] At present, the battery assembly is mostly carried out in the glove box, and the electrochemical performance test of the high-temperature molten salt system battery is mainly carried out in the tube furnace, which requires high sealing performance of the battery, and the separation of the assembly and testing process results in more steps. , the operation is complicated, which is not conducive to the improvement of laboratory scientific research efficiency and the simplification of the experimental process

Method used

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  • Inert atmosphere-based electrochemical testing device and method of high-temperature molten salt

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Embodiment approach

[0048] According to a preferred embodiment of the present invention, the bottom of the tray connecting rod 17 is provided with threads, the tray 19 and the tray connecting rod 17 are connected by threaded nuts, and the insulating block 20 is arranged at the through hole of the tray 19 And pallet 19 contacts with nut.

[0049] According to a preferred embodiment of the present invention, the lift control device 9 includes a foot controller and an air cylinder, and controls the lift switch of the insulating and heat-insulating top cover 14 pneumatically.

[0050] According to the present invention, the tray connecting rod 17 comprises two copper rods, the bottoms of which are respectively connected to two opposite edges of the tray 19;

[0051] The adjustable electrode 18 is composed of two copper electrode rods;

[0052] The tray 19 may be a ceramic tray.

[0053] Such as image 3 As shown, the circuit structure of the high temperature molten salt testing system of the prese...

Embodiment 1

[0062] This embodiment is used to illustrate the high-temperature molten salt electrochemical testing device and method based on an inert atmosphere of the present invention.

[0063] Such as figure 1 , figure 2 As shown, the high-temperature molten salt electrochemical test device includes: an inert atmosphere circulation system, a high-temperature molten salt test system, and an electrochemical workstation 1 .

[0064] The inert atmosphere circulation system consists of a sealed box 7 and an inert atmosphere circulation device 8 arranged outside the sealed box 7 and connected to it. The sealed box 7 has an operation hole sealed by PPS material and an anti- Visible panels with corrosion protection film enable operation of the test device in a sealed box.

[0065] The high-temperature molten salt test system includes a heating device 5 built in the sealed box 7 and a test device 6 built in the heating device 5, and the heating device 5 is formed by a wall hanging on the sid...

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Abstract

The invention relates to the technical field of electrochemical property testing in a high-temperature inert atmosphere, and discloses an inert atmosphere-based electrochemical testing device and method of a high-temperature molten salt. The device comprises an inert atmosphere circulation system, a high-temperature molten salt testing system and an electrochemical work station, wherein the inert atmosphere circulation system comprises a sealed box body and an inert atmosphere circulation device which is arranged outside the sealed box body and connected with the sealed box body; the high-temperature molten salt testing system comprises a heating device arranged in the sealed box body and a testing device arranged in the heating device; and the electrochemical work station is electrically connected with the testing device, and the heating device is used for providing the testing device with a temperature for electrochemical testing. According to the inert atmosphere-based electrochemical testing device and method, direct electrochemical testing of the battery after being assembled in the inert atmosphere circulation system can be achieved, the inert atmosphere-based electrochemical testing device and method are suitable for electrochemical property testing of a thermal battery and a high-temperature molten salt electrolyte, interference of other factors is reduced, the reliability of the test result is improved and the testing step is simplified.

Description

technical field [0001] The invention relates to the technical field of electrochemical performance testing in a high-temperature inert atmosphere, in particular to a high-temperature molten salt electrochemical testing device and method based on an inert atmosphere. Background technique [0002] The inert atmosphere circulation system is mainly used in the assembly of batteries in the field of electrochemistry. It can provide an anhydrous and oxygen-free experimental environment for various scientific research and production, and can also provide safety protection for scientific researchers. In the field of electrochemistry, the heating system can provide a specific high temperature environment for electrochemical testing of high temperature molten salt electrolyte systems. [0003] Batteries using high-temperature molten salt electrolyte systems such as thermal batteries need to be tested for electrochemical performance in a high-temperature environment. However, the proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416
Inventor 朱艳丽郑晓頔焦清介
Owner BEIJING INSTITUTE OF TECHNOLOGYGY