Measurement and analysis device applicable to electrochemical systems with different impedances
A measurement analysis and electrochemical technology, applied in the field of electrochemical impedance measurement and analysis, can solve problems such as inapplicability of the three-electrode measurement method, circuit burnout, measurement error, etc., and achieve the effects of fast calculation speed, improved work efficiency, and high measurement accuracy.
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[0038] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0039] This embodiment discloses a measurement and analysis device suitable for different impedance electrochemical systems, such as figure 2 As shown, it includes: excitation signal source unit 1, current negative feedback unit 2, three-electrode measurement unit 3, three operational amplifier instrument amplification unit 4, current signal acquisition unit 5, and digital signal processing unit 6;
[0040] The output terminal of the excitation signal source unit 1 is connected to the counter electrode terminal (CE) of the three-electrode measurement unit 3 through the current negative feedback unit 2, and is used to provide the excitation signal to the three-electr...
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