Multifunctional electrolytic tank for scanning electrochemical microscope

Abstract

The invention relates to a multifunctional electrolytic tank for a scanning electrochemical microscope, which comprises an upper cover, a lower cover and a double-layer cylinder, wherein the upper cover and the lower cover are concave, the inner side of the upper cover and the inner side of the lower cover are respectively provided with an internal thread I, two ends of the double-layer cylinder are respectively provided with an external thread II, the external threads II are matched with the internal threads I, the double-layer cylinder is internally provided with electrolyte solution. The upper cover, the lower cover and the double-layer cylinder are connected by the internal threads I and the external threads II; the upper cover is provided with a circular hole I, a circular hole II and a circular hole III; the circular hole I is internally provided with a working electrode; the circular hole II is inserted with a glass bent tube I; the circular hole III is inserted with a glass bent tube II, the upper part of the side wall of the double-layer cylinder is provided with a water outlet, the bottom of the side wall of the double-layer cylinder is respectively provided with a water inlet, a side branch tube I and a side branch tube II; and the side branch tube I and the side tube II are symmetrically arranged, and are respectively provided with a reference electrode and a counter electrode. The multifunctional electrolytic tank can complete the experiments of a three-electrode system, a four-electrode system and a complex electrode system through different structures of the lower cover, has a simple structure, is convenient to disassemble, and improves the research efficiency.

Description

Technical field [0001] The invention relates to an electrochemical experiment device, in particular to a multifunctional electrolytic cell for scanning electrochemical microscope. Background technique [0002] At present, when using scanning electrochemical microscope to study electrochemical problems such as interface charge transfer dynamics, sample surface imaging, enzymatic reactions, etc., the electrolytic cell that comes with the CHI900 electrochemical workstation is generally used. During the experiment, this electrolytic cell is used. The pool has the following shortcomings or shortcomings: (1) the experiment cannot be carried out under the protection of inert gas; (2) the experimental process cannot be carried out under constant temperature conditions, which is greatly affected by the environmental temperature, especially for the study of enzyme systems; (3) research When the system contains substances that are prone to chemical reactions when exposed to light, dark box ...

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Problems solved by technology

[0002] At present, when using scanning electrochemical microscopy to study electrochemical problems such as interfacial charge transfer kinetics, sample surface imaging, and enzymatic reactions, the electrolytic cell that comes with the CHI900 electrochemical workstation is generally used. The pool has the following deficiencies or shortcomings: (1) The experiment cannot be carried out under the protection of inert gas; (2) The experimental process cannot be carried out under constant temperature conditions, which is greatly affected by the ambient temperature, especially for the research on enzyme systems; (3) The research When the system contains substances that are prone to chemical reactions when exposed to light, dark box operation is required, and the device is relatively cumbersome

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