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Electrical Impedance Spectroscopy (EIS).

Project fitting demo movie Parameter plot demo movie 3D plot demo movie Prepared by eDAQ " Electrochemical Impedance Specroscopy" You Tube.

The invention discloses a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses, by applying certain Dc bias on perovskite solar cell, and disturbing signal is used as using the ac voltage signal of small amplitude, and then obtain the EIS collection of illustrative plates of perovskite solar cell, equivalent-circuit model is established by certain electronic.

Another option is to use a freeware program called EIS Spectrum Analyzer®. A trial version of a software called MEISP® can be downloaded and used. ZView®, from Scribner, is a commercial program. The LEVM program by Ross J Macdonald is available to download and use in MS-DOS and Windows® operating systems. Safe and fast-charging Li-ion battery with long shelf life for power applications.

And ZView software was employed to fit the collected EIS data.

In many cases, even with the best intentions of the widening the operating voltage window, the measured current using the cyclic voltammetry (CV) technique includes a significant contribution from the irreversible Faradaic reactions involved in the water. It is common to find in the literature different values for the working voltage window (WVW) range for aqueous-based supercapacitors.