Instrument technical specifications:

· Constant potential slot voltage:±30 V(Can be extended to±60 V）

· Output current:±250 mA(Can be extended to±1.0 A）

· Constant potential control:±12V(Dynamic scanning range)13 V）

· resolving power:10.0 μV

· Current sensitivity:1 nA/V～100 mA/V

· Reference electrode input impedance: 10¹² W

· Fast data collection: 16Positional resolution@1MHz

· CVandLSVScanning speed:0.000001V/sto10,000V/s

· Potential increment during scanning:0.1mVWhen the scanning speed is1,000V/sWhen)

·CAandCCPulse width:0.0001to1000sec

·CAandCCThe small sampling interval:1ms

·CCanalog integrator

·DPVandNPVPulse width:0.001to10sec

·SWVFrequency:1to100kHz

·i-tThe small sampling interval:1ms

·ACVFrequency range:0.1to10kHz

·SHACVFrequency range:0.1to5kHz

·FTACVFrequency range:0.1to50HzIt can simultaneously obtain fundamental, second harmonic, third harmonic, fourth harmonic, fifth harmonic, and sixth harmonicACVdata

· Communication impedance:0.00001to1MHz

· Amplitude of AC impedance waveform:0.00001Vto0.7VRMs

Instrument system functions:

1. control function

· Interface method of electrochemical workstation:USB2.0interface

· Potential control: constant potential, linear scan, cyclic scan, single potential step, multi potential step, pulse, square wave, AC wave, etc;

· Current control: constant current, single current step, linear current scan, cyclic current scan, multiple current step, etc;

· Measurement of open circuit potential and potential difference;

· Peripheral control: stirring, deoxygenation, rotating electrode, mercury dropping electrode, etc;

· Electrode pretreatment, post-treatment, etc;

· Real time display of values for potential, current, time, and their graphical relationships. The vertical and horizontal coordinate axes simulate touch based flexible scaling and movement operations.

2Experimental methods

· Chronoamperometry, cyclic chronoamperometry, chronocoulometry, linear sweep voltammetry, cyclic voltammetry, pulse polarography (voltammetry), square wave voltammetry, cyclic square wave voltammetry, alternating current voltammetry, various dissolution voltammetry, potentiostatic polarization, Tafel curve, etc;

· Timing potential method, multi-step timing potential method, linear current scanning timing potential method, cyclic timing potential method, constant current electrolysis, etc;

· Electrochemical impedance measurement:20Methods for processing impedance data, including three-dimensional impedance maps.

3Data processing

· Filtering and smoothing: mean method, least squares method, Fourier transform method, etc;

· Conventional mathematical operations;

· Data interpolation, segmentation, etc;

· Calculus and semi calculus, etc;

· Advanced visualization baseline processing;

· Advanced visualization peak analysis such as peak current, peak potential, and peak area;

· Advanced visualization standard curve analysis, etc;

· Various processing methods for electrochemical impedance data and the drawing of three-dimensional impedance spectra.

4Data exchange and files

· useXMLFor built-in data formats, providing a foundation for any data exchange;

· Multi threaded collaborative work mode, integrating project management with multiple sequence data, multiple experiments, multiple graphics, and electronic spreadsheets;

· Various formats of data and graphics, including rich text, can be output through files and clipboardsrtfTexttxt, bitmapbmpMetagraphic fileswmfWait.