Adjustable electrochemical testing electrode clamp

Abstract

The invention discloses an adjustable electrode clamp, and belongs to the field of material electrochemical performance testing devices. The adjustable electrode clamp comprises a clamp main body, a cylinder and a screw; the cylinder comprises two cylinder bodies which have the same center but different diameters and are connected vertically, the upper cylinder body is provided with a slot, a conductive bar can be placed in the slot, a slot surface is formed in the lower cylinder body, is parallel to the upper cylinder body and is a plane, and the lower cylinder body is provided with two threaded holes with the same diameter; a round hole of which the diameter is greater than that of the threaded holes is formed in the middle of a gasket, a long screw is fixed on the threaded hole of the upper end through two gaskets,, a threaded end can be wound with a wire through the round hole, a slot is formed in an A-A end of a short screw, and the short screw is fixed on the threaded hole at thelower end; a sample to be tested is fixed between the slot of the short screw and the gasket of the long screw; and the requirement for controllable deformation of the sample to be tested in piezoelectric test is solved, and moreover, all materials are polytetrafluoroethylene which resists corrosion of acid and alkali and is low in cost.

Description

technical field [0001] The invention relates to an adjustable electrochemical testing electrode fixture, which belongs to the technical field of electrochemical performance testing equipment. Background technique [0002] At present, the electrode clamps used in the laboratory for electrochemical tests are basically the bottom electrode clamps, and the height cannot be adjusted. When the sample needs to be deformed to a certain extent, when doing piezoelectric-related electrochemical tests, the two ends cannot be fixed. The deformation cannot be controlled, the stress cannot be measured, and it cannot be kept consistent or in a certain gradient each time, which brings a lot of inconvenience to the experiment; in addition, when testing the electrochemical performance parameters of the material electrode in the liquid electrolyte (acid-base salt solution), It is often necessary to immerse the material electrode in the electrolyte for measurement, and the electrode material is ...

AI Technical Summary

Problems solved by technology

[0002] At present, the electrode clamps used in the laboratory for electrochemical tests are basically the bottom electrode clamps, and the height cannot be adjusted. When the sample needs to be deformed to a certain extent, when doing piezoelectric-related electrochemical tests, the two ends cannot be fixed. The deformation cannot be controlled, the stress cannot be measured, and it cannot be kept consistent or in a certain gradient each time, which brings a lot of inconvenience to the experiment; in addition, when testing the electrochemical performance parameters of the material electrode in the liquid electrolyte (acid-base salt solution), It is often necessary to immerse the material electrode in the electrolyte for measurement, and the electrode material is required to resist electrolyte corrosion

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