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CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

Wuhan Corrtest Instruments Corp., Ltd.
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    Buy cheap CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M from wholesalers
     
    Buy cheap CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M from wholesalers
    • Buy cheap CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M from wholesalers

    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

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    Brand Name : Corrtest
    Model Number : CS300M
    Certification : CE, ISO9001
    Price : Negotiable
    Payment Terms : T/T, D/P
    Supply Ability : 1000set/year
    Delivery Time : 5-10 working days
    • Product Details
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    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

    Cyclic voltammetry instrument CS300M is the entry model among Corrtest single-channel potentiostat/galvanostat. It includes all the techniques but EIS. Cyclic voltammetry instrument CS300M contains a fast digital function generator, high-speed data acquisition circuitry, a potentiostat and a galvanostat. With high performance in stability and accuracy with advanced hardware and well-functioned software, it is a cost-effective and basic potentiostat/galvanostat when EIS is not needed. With techniques such as potentiostatic (I-T), Cyclic voltammetry (CV), LSV, Potentiodynamic (Tafel plot), galvanostaic charge and discharge(GCD) etc, cyclic voltammetry instrument CS300M is suitable for various applications such as corrosion measurement, the carbon dioxide reduction, the electro-catalysis, battery testing, etc. Cyclic voltammetry instrument CS300M doesn’t include EIS. Cyclic voltammetry is the most basic but key technique, all our Corrtest potentiostat/galvanostat has this function.


    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M


    What is Cyclic voltammetry?

    Cyclic voltammetry (CV) technique is mainly used for electrochemical theoretical study, such as the electrode process, the absorption phenomenon of electrode etc. Cyclic voltammetry (CV) curve consists of two parts, the reduction/cathode region where the reduction waveform is generated from reduction process of the electroactive material, and the oxidation/anode region where the oxidation waveform is generated from oxidation process of the reduction products. Cyclic voltammetry (CV) technique can directly measure the ratio of anodic peak current/cathodic peak current and the difference between anodic peak potential and cathodic peak potential.

    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

    Cyclic voltammetry (CV) curve of glassy carbon electrode in K4[Fe(CN)6] solution

    Cyclic voltammetry principle

    Cyclic Voltammetry is a type of potentiodynamic electrochemical measurement. In a cyclic voltammetry experiment the working electrode potential is ramped linearly versus time. Cyclic voltammetry uses the three electrode setup; when working electrode reaches a set potential, the ramp is inverted. This inversion can happen multiple times during a single experiment.The current at the working electrode is plotted versus the applied voltage. Cyclic voltammetry is a very versatile electrochemical technique which allows to probe the mechanics of redox and transport properties of a system in solution. The potential is applied between the reference electrode and the working electrode and the current is measured between the working electrode and the counter electrode. In cyclic voltammetry, the direction of the potential is reversed at the end of the first scan. Thus, the waveform is usually of the form of an isosceles triangle.


    Specifications

    Support 2-, 3- or 4-electrode systemPotential and current range: Automatic
    Potential control range: ±10VCurrent control range: ±2A
    Potential control accuracy: 0.1%×full range±1mVCurrent control accuracy: 0.1%×full range
    Potential resolution: 10μV (>100Hz),3μV (<10Hz)Current sensitivity:1pA
    Rise time: <1μS (<10mA), <10μS (<2A)Reference electrode input impedance:1012Ω||20pF
    Current range: 2nA~2A, 10 rangesCompliance voltage: ±21V
    Maximum current output: 2ACV and LSV scan rate: 0.001mV~10,000V/s
    CA and CC pulse width: 0.0001~65,000sCurrent increment during scan: 1mA@1A/ms
    Potential increment during scan: 0.076mV@1V/msSWV frequency: 0.001~100 kHz
    DPV and NPV pulse width: 0.0001~1000sAD data acquisition:16bit@1 MHz,20bit@1 kHz
    DA Resolution:16bit, setup time:1μsMinimum potential increment in CV: 0.075mV
    Low-pass filters: covering 8-decadeOperating System: Windows 10/11
    Interface: USB 2.0Weight/Measurements: 6.5kg, 36x 30x16 cm

    Techniques of Cyclic voltammetry instrument CS300M


    Voltammetry

    • Cylic Voltammetry (CV)
    • Linear Sweep Voltammetry (LSV)
    • Staircase Voltammetry (SCV)#
    • Square Wave Voltammetry (SWV)#
    • Differential Pulse Voltammetry (DPV)#
    • Normal Pulse Voltammetry (NPV)#
    • Differential Normal Pulse Voltammetry (DNPV)#
    • AC Voltammetry (ACV)
    • 2nd harmonic AC Voltammetry (SHACV)
    • Fourier Transform AC Voltammetry (FTACV)

    #There is corresponding voltammetry stripping methods

    Stable polarization

    • Open Circuit Potential (OCP)
    • Potentiostatic (I-T curve)
    • Galvanostatic
    • Potentiodynamic (Tafel plot)
    • Galvanodynamic (DGP)
    • Sweep-Step Functions (SSF)

    Transient Polarization

    • Multi Potential Steps
    • Multi Current Steps
    • Potential Stair-Step (VSTEP)
    • Galvanic Stair-Step (ISTEP)

    Chrono Method

    • Chronopotentiometry (CP)
    • Chronoamperametry (CA)
    • Chronocaulometry (CC)

    Corrosion Measurements

    • Cyclic polarization curve (CPP)
    • Linear polarization curve (LPR)
    • Electrochemical Potentiokinetic Reactivation (EPR)
    • Electrochemical Noise (EN)
    • Zero resistance Ammeter (ZRA)

    Battery test

    • Battery Charge and Discharge
    • Galvanostatic Charge and Discharge (GCD)
    • Potentiostatic Charging and Discharging
    • Potentiostatic Intermittent Titration Technique
    • Galvanostatic Intermittent Titration Technique

    Software features of Cyclic voltammetry instrument CS300M


    Cyclic voltammetry(CV): CS studio software provides users a versatile smoothing/differential/ integration kit, which can complete the calculation of peak height, peak area and peak potential of CV curves. In Cyclic voltammetry (CV) technique, during the data analysis, there is function of selecting exact cycle(s) to show. You can choose to see a cycle or some cycles as you want.

    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

    Battery Test and analysis: charge & discharge efficiency, capacity, specific capacitance, charge & discharge energy.

    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

    Tafel plot and corrosion rate

    CS studio also provides powerful non-linear fitting on Butler-Volmer equation of polarization curve. It can calculate Tafel slope, corrosion current density, limitation current, polarization resistance, corrosion rate. It can also calculate the power spectrum density, noise resistance and noise spectrum resistance based on the electrochemical noise measurements.

    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

    Combination test: CS studio software supports the combination test for various experiments to achieve flexible and unattended test. You can set the parameters for each experiment in advance, and set the intervals, wait time etc between each experiment.

    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

    Combination Test: corrosion tests

    CE Single Channel Potentiostat / Cyclic Voltammetry Instrument CS300M

    Combination Test: Pseudo capacitor tests

    Data open: You can open the data files by txt format in notepad directly. Data can also be opened in Origin, Excel.

    Q: When running Cyclic voltammetry (CV) in a dual-chamber cell, the current cannot be increased after reaching a certain level. Why?

    A: There is ion exchange membrane in a dual-chamber cell, so the cell compliance voltage will increase. Pay attention to the compliance voltage of the electrochemical workstation, or reduce the distance between WE and CE, and increase the conductivity of the electrolyte.

    Q: How to characterize the stability and activity content of ORR catalysts?

    Answer:

    Run a Cyclic voltammetry (CV), comparing CV and LSV before and after, for instance 30000 cycles;

    Measure the i-t curve;

    Take TEM images before and after stability to see if the catalyst has agglomerated.


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