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Device and method for measuring oxidation potential of electrolyte

A technology of oxidation potential and measuring device, which is applied in the direction of measuring device, color/spectral characteristic measurement, electrical excitation analysis, etc., and can solve the problems such as inability to test electrolytes

Pending Publication Date: 2022-07-26
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the existing test methods, it is impossible to test the infrared spectrum of the electrolyte in situ and dynamically under the working state of the electrolyte, and then obtain the oxidation potential of the electrolyte

Method used

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  • Device and method for measuring oxidation potential of electrolyte
  • Device and method for measuring oxidation potential of electrolyte
  • Device and method for measuring oxidation potential of electrolyte

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Embodiment Construction

[0051] The method for measuring the oxidation potential of the electrolyte provided by the present invention will be described in detail below with reference to the accompanying drawings.

[0052] The first embodiment of the present invention provides a glycerol ether epoxy resin, the glycerol ether epoxy resin contains ether oxide groups, and the glycerol ether epoxy resin is ring-opened by a glycerol ether polymer and a polyamine compound The crosslinked polymer obtained by the reaction. The glycerol ether epoxy resin is a cross-linked three-dimensional network structure. The glycerol ether polymer is a glycidyl ether polymer, and the glycidyl ether polymer includes at least two epoxy groups; the polyamine compound includes at least two amine groups. The cross-linked polymer includes a main chain and a plurality of hydroxyl groups, the plurality of hydroxyl groups in the cross-linked polymer are located on the main chain of the cross-linked polymer, and the plurality of hyd...

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Abstract

The invention provides an electrolyte oxidation potential measuring device, which comprises a cavity, a test unit, a detector, a processing unit and a display, the test unit and the detector are located in the cavity, infrared light detected by the detector is transmitted to the processing unit, after the infrared light is processed by the processing unit, an infrared spectrum of an electrolyte is obtained on the display, and the oxidation potential of the electrolyte is measured. The test unit comprises a positive plate and a negative plate, wherein the positive plate comprises a first through hole; the negative plate comprises a second through hole, and the first through hole is communicated with the second through hole; a first infrared window covers the first through hole; a second infrared window covers the second through hole, and the first infrared window, the positive plate, the negative plate and the second infrared window are stacked; and an electrolyte is arranged between the positive plate and the negative plate, and an infrared beam is detected by the detector after sequentially passing through the first infrared window, the first through hole, the electrolyte of the lithium ion battery, the second through hole and the second infrared window.

Description

technical field [0001] The invention relates to a measuring device for the oxidation potential of an electrolyte and a measuring method thereof, in particular to a measuring device and a measuring method for the oxidation potential of the electrolyte of a lithium ion battery. Background technique [0002] With the gradual development of information terminals from mainframes to wearable devices, the demand for flexible electronic devices is also increasing. As the key to flexible electronic devices, flexible energy storage devices are used as energy supply components with broad application prospects, such as wearable electronic devices and implantable medical devices, and such applications are increasing. Compared with other energy storage devices, lithium-ion batteries (LIBs) have higher operating voltages and greater energy density, and lithium-ion batteries are considered ideal for flexible energy storage devices. [0003] The electrolyte is an important part of the lithi...

Claims

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Application Information

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IPC IPC(8): G01N27/416G01N21/3577H01M10/42
CPCG01N27/4166G01N21/3577H01M10/4285G01N33/442G01N21/35G01N27/4168Y02E60/10G01N21/66
Inventor 方振翰王佳平范守善
Owner TSINGHUA UNIV
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