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Battery for in-situ XRD (x-ray powder diffraction) test and assembly method of battery

An assembly method and battery assembly technology, which is applied in the field of battery in-situ testing and electrochemistry, can solve the problems of environmental pollution, high price, complicated and difficult assembly steps, etc., and achieve the effects of low cost, convenient research, and simple curing and packaging process

Active Publication Date: 2019-05-21
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

This solves the existing technical problems of in-situ XRD testing with beryllium window molds, which are expensive, pollute the environment, and complicate assembly steps.

Method used

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  • Battery for in-situ XRD (x-ray powder diffraction) test and assembly method of battery
  • Battery for in-situ XRD (x-ray powder diffraction) test and assembly method of battery
  • Battery for in-situ XRD (x-ray powder diffraction) test and assembly method of battery

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0034] The invention provides a battery assembly method for in-situ XRD testing, comprising the following steps:

[0035] (1) Bonding and coating the negative electrode material of the battery on the window material for X-ray penetration to obtain the window material loaded with the negative electrode material of the battery; and the window material is conductive and can isolate water and oxygen...

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Abstract

The invention belongs to the field of battery in-situ tests and electrochemistry, and relates to a battery for an in-situ XRD (x-ray powder diffraction) test and an assembly method of the battery. According to the battery for the in-situ XRD (x-ray powder diffraction) test and the assembly method of the battery, on the basis of the characteristics and requirements of existing battery in-situ XRD tests, the in-situ XRD test process of a battery electrode material is redesigned; carbon paper, replacing traditional metal beryllium, is adopted as a window material for the in-situ XRD test of the battery electrode material. The assembly method is applied to the in-situ XRD test of the battery electrode material so as to test products and phase change of the battery electrode material during a charging and discharging in a more inexpensive and environmentally friendly manner, so that the reaction mechanism of a battery charging and charging process can be researched. Therefore, the technicalproblems of high cost, environmental pollution and complicated assembly steps of an existing method adopts a beryllium window mold to perform an in-situ XRD test are solved.

Description

technical field [0001] The invention belongs to the fields of battery in-situ testing and electrochemistry, and more specifically relates to a battery used for in-situ XRD testing and an assembly method thereof. Background technique [0002] X-ray powder diffraction (XRD) is a rapid analytical technique primarily used for phase identification of crystalline materials and can provide information about unit cell dimensions. The analyzed material was finely ground, homogenized, and the average bulk composition determined. X-ray powder diffraction (XRD) is most widely used to identify unknown crystalline materials (eg minerals, inorganic compounds). Furthermore, X-ray powder diffraction (XRD) can also be used to characterize crystalline materials, identify fine-grained minerals that are difficult to measure optically (such as clays and mixed-layer clays), and measure unit cell size and sample purity. [0003] During the charge and discharge process of the battery, the crystall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/207G01N23/2005
Inventor 朱明强屈宏庆李冲尹红
Owner HUAZHONG UNIV OF SCI & TECH
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