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In-situ optical comprehensive testing device capable of observing solid and liquid battery interfaces

A liquid battery, comprehensive testing technology, applied in the field of lithium batteries

Pending Publication Date: 2021-08-31
INST OF CHEM CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] In view of the above analysis, the embodiment of the present invention aims to provide an in-situ optical comprehensive test device that can observe the interface of solid-state and liquid batteries, so as to solve the problem that the lithium deposition and dissolution behavior of the counter electrode or electrolyte interface cannot be realized in existing lithium-ion batteries. Conduct in-situ observations to further study the impact of interfacial processes and the problem of reaction mechanisms

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  • In-situ optical comprehensive testing device capable of observing solid and liquid battery interfaces

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Embodiment Construction

[0035]Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.

[0036] The present invention provides a kind of simple and easy to operate, easy to assemble in-situ optical observation solid-state or liquid battery interface comprehensive testing device for researching the above problems, such as Figure 1~6 As shown, the technical scheme adopted by the present invention is as follows: an in-situ optical comprehensive testing device capable of observing the interface of solid and liquid batteries, including a battery fixing table, an upper sealing case and a lower sealing case; the upper and lower sealing cases pass through Bolt fixed connection, the batter...

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Abstract

The invention relates to an in-situ optical comprehensive testing device capable of observing solid and liquid battery interfaces, which belongs to the technical field of lithium batteries, and solves the problem that in-situ observation cannot be carried out on lithium deposition and dissolution behaviors of an electrode / electrolyte interface in the prior art. The invention discloses an in-situ optical comprehensive testing device capable of observing solid and liquid battery interfaces. The in-situ optical comprehensive testing device comprises a battery fixing table, a lower sealing shell and an upper sealing shell, the upper sealing shell and the lower sealing shell are fixedly connected through bolts; and the battery fixing table is connected with the lower sealing shell through a screw. The assembly and electrochemical testing of the solid battery and the liquid battery are realized, and the in-situ optical observation of the electrode interface process is correspondingly carried out on different battery systems.

Description

technical field [0001] The invention relates to the technical field of lithium batteries, in particular to an in-situ optical comprehensive testing device capable of observing the interface of solid-state and liquid batteries. Background technique [0002] Lithium-ion batteries are currently widely used in the field of consumer electronics due to their superior comprehensive electrochemical performance. The properties of the positive and negative electrodes and the electrolyte interface in the battery have an important impact on the charge and discharge efficiency, energy efficiency, energy density, power density, cycle, service life, safety, self-discharge and other characteristics of lithium-ion batteries. Interface issues are at the heart of fundamental research on lithium-ion batteries. [0003] At the same time, in recent years, the development of electric vehicles and large-scale energy storage equipment urgently needs secondary lithium batteries with higher power den...

Claims

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Application Information

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IPC IPC(8): H01M10/42
CPCH01M10/4285Y02E60/10
Inventor 文锐刘桂贤施杨胡新成左彤彤
Owner INST OF CHEM CHINESE ACAD OF SCI
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