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Synchrotron-radiation X-ray diffraction apparatus for analyzing electrochemical property of electrode material and application thereof

An electrode material and electrochemical technology, applied in the direction of material analysis using radiation, material analysis using radiation diffraction, etc., can solve the problems of non-reusable, poor signal accuracy of samples, etc., achieve great application value, and overcome the single test method , to achieve the effect of repeated use

Active Publication Date: 2013-03-20
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the Be window is installed on only one side of the in-situ cell, the test can only be performed in reflection mode, resulting in poor sample signal collection and low accuracy; and, like the two devices mentioned above, it cannot be reused (Journal of the Electrochemical Society (1997), 144, pp.554-557)

Method used

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  • Synchrotron-radiation X-ray diffraction apparatus for analyzing electrochemical property of electrode material and application thereof
  • Synchrotron-radiation X-ray diffraction apparatus for analyzing electrochemical property of electrode material and application thereof
  • Synchrotron-radiation X-ray diffraction apparatus for analyzing electrochemical property of electrode material and application thereof

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Experimental program
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Effect test

Embodiment 1

[0036] Anatase TiO 2 As the active material of the working electrode, it is ground and mixed with the conductive agent acetylene black (AB) and the binder vinylidene fluoride PVDF (with NMP as the solvent), and then the slurry is evenly coated on the aluminum foil and placed in the Dry in a vacuum oven at 80°C for more than 12 hours, and finally use a blunderbuss to form an electrode with a diameter of 10mm. The active material mass of each electrode is about 1.5mg; when the battery is assembled, the working electrode is placed in the component A part of the device of the present invention, Put the separator (Celegard2400) and the counter electrode lithium sheet in turn, and then drop a small amount of electrolyte (lithium hexafluorophosphate LiPF 6 Soluble in an organic solvent of ethylene carbonate EC and dimethyl carbonate DMC at a volume ratio of 1:1). Then press the spring on the lithium sheet, one can prevent the sliding of the electrode material, and the other can enha...

Embodiment 2

[0041] Anatase TiO 2 As the active material of the working electrode, it is ground and mixed with the conductive agent acetylene black (AB) and the binder vinylidene fluoride PVDF (with NMP as the solvent), and then the slurry is evenly coated on the aluminum foil and placed in the Dry in a vacuum oven at 80°C for more than 12 hours, and finally use a blunderbuss to form an electrode with a diameter of 10mm. The active material mass of each electrode is about 1.5mg; when the battery is assembled, the working electrode is placed in the component A part of the device of the present invention, Put the separator (Celegard 2400) and the counter electrode lithium sheet in turn, and then drop a small amount of electrolyte (lithium hexafluorophosphate LiPF 6 Soluble in an organic solvent of ethylene carbonate EC and dimethyl carbonate DMC at a volume ratio of 1:1). Then press the spring on the lithium sheet, one can prevent the sliding of the electrode material, and the other can enh...

Embodiment 3

[0045] Anatase TiO 2 As the active material of the working electrode, it is ground and mixed with the conductive agent acetylene black (AB) and the binder vinylidene fluoride PVDF (with NMP as the solvent), and then the slurry is evenly coated on the aluminum foil and placed in the Dry in a vacuum oven at 80°C for more than 12 hours, and finally use a blunderbuss to form an electrode with a diameter of 10mm. The active material mass of each electrode is about 1.5mg; when the battery is assembled, the working electrode is placed in the component A part of the device of the present invention, Put the separator (Celegard 2400) and the counter electrode lithium sheet in turn, and then drop a small amount of electrolyte (lithium hexafluorophosphate LiPF 6 Soluble in an organic solvent of ethylene carbonate EC and dimethyl carbonate DMC at a volume ratio of 1:1). Then press the spring on the lithium sheet, one can prevent the sliding of the electrode material, and the other can enh...

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Abstract

The invention discloses a synchrotron-radiation X-ray diffraction apparatus for analyzing electrochemical properties of an electrode material and an application thereof. The apparatus comprises a component A and a component B, wherein the component A comprises a stainless steel plate a, a Be glass window a and an insulating board; through holes are respectively formed in the stainless steel plate a and the insulating board; the Be glass window a is positioned at the through hole between the stainless steel plate a and the insulating board; the Be glass window a is fixed between the stainless steel plate a and the insulating board by fixing the stainless steel plate a and the insulating board; the component B comprises a stainless steel plate b and a Be glass window b; a through hole is formed in the stainless steel plate b; and the Be glass window b is fixed in the through hole of the stainless steel plate b in an insulating manner through a fixing element, and the component A and the component B are fixedly connected. The device disclosed by the invention can realize in-situ or non-in-situ measurement on synchrotron-radiation X-ray diffraction data of an electrode material in an X-ray transmission or reflection manner, can be recycled, and has a great application value.

Description

technical field [0001] The invention relates to an X-ray diffraction device, in particular to a synchrotron radiation X-ray diffraction device for analyzing the electrochemical properties of electrode materials and its application. Background technique [0002] Since the first discovery of X-ray diffraction in 1912, its theory and application have been deeply and extensively developed, enabling people to understand the microscopic world (atomic and molecular scales). X-ray diffraction technology has become a useful tool for understanding and transforming the structure of matter. It has been developed for nearly a hundred years, and its importance is still there. According to the different problems to be solved and the different states of the samples used, X-ray diffraction can be divided into two types: X-ray single crystal diffraction (XRD) and X-ray polycrystal (powder) diffraction (pXRD). The rapid development of material science, environmental science, life science and ...

Claims

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Application Information

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IPC IPC(8): G01N23/20G01N23/02
Inventor 郭向欣赵宁崔忠慧
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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