Electrochemical Workstation For Battery Laboratory

Constant potential Potential control range: ±10V

Constant current control range: ±2.0A

Potential control accuracy: 0.1%× full scale reading ±1mV

Current control accuracy: 0.1%× full scale reading

Potential resolution: 10V(>100Hz), 3V(<10Hz)

Current sensitivity: 1pA

Potential rise time: <1S(<10mA), <10S(<2A)

Reference electrode input impedance: 1012||20pF

Current range: 2nA ~ 2A, a total of 10 stops

Tank pressure: ±21V

Maximum output current: 2.0A

CV and LSV scanning speed: 0.001mV ~ 10000V/s

CA and CC pulse width: 0.0001 ~ 65000s

Current scanning increment: 1mA@1A /mS

Potential increment during potential scanning: 0.076MV-@1V /mS

SWV frequency: 0.001 ~ 100KHz

DPV and NPV pulse width: 0.0001 ~ 1000s

AD data collection: 16bit@3.6MHz, 20bit@1KHz

DA resolution: 16bit, build time: 1S

Minimum potential increment of CV: 0.020mV

IMP frequency: 10Hz~1MHz

Low-pass filter: 8 segments programmable

Current and potential range: automatic setting

Interface communication mode: USB2.0

2. Electrochemical impedance function index

Signal generator:

Frequency response: 10Hz~1MHz

Frequency accuracy: 0.005%

Ac signal amplitude: 1mV~2500mV

Signal resolution: 0.1mV RMS

Dc bias: -10~+10V

DDS output impedance: 50

Waveform: sine wave, triangular wave, square wave

Sine wave distortion: <1%

Scanning mode: logarithm/linear, increase/decrease

Signal analyzer:

Minimum integration time: 10mS or maximum cycle time

Maximum integration time: 106 cycles or 105S

Measurement time delay: 0~105 seconds

Dc offset compensation:

Automatic potential compensation range: -10V~+10V

Current compensation range: -1A~+1A

Bandwidth Adjustment:

Automatic or manual Settings, a total of 8 levels can be adjusted

2. Electrochemical impedance function index

Signal generator:

Frequency response: 10Hz~1MHz

Frequency accuracy: 0.005%

Ac signal amplitude: 1mV~2500mV

Signal resolution: 0.1mV RMS

Dc bias: -10~+10V

DDS output impedance: 50

Waveform: sine wave, triangular wave, square wave

Sine wave distortion: <1%

Scanning mode: logarithm/linear, increase/decrease

Signal analyzer:

Minimum integration time: 10mS or maximum cycle time

Maximum integration time: 106 cycles or 105S

Measurement time delay: 0~105 seconds

Dc offset compensation:

Automatic potential compensation range: -10V~+10V

Current compensation range: -1A~+1A

Bandwidth Adjustment:

Automatic or manual Settings, a total of 8 levels can be adjusted

3. Main functions of measurement and control software

Steady state polarization: open circuit potential measurement (OCP), constant potential polarization (I-t curve), constant current polarization, dynamic potential scanning (TAFEL curve), dynamic current scanning (DGP), potential scanning-step;

Transient polarization: arbitrary constant potential step wave, arbitrary constant current step wave, constant potential step (VSTEP), constant current step;

Timing analysis: Chronopotentiometry (CP), chronogalvanometry (CA), chronogalvanometry (CC);

Voltammetry: linear sweep voltammetry (LSV) #, linear cyclic voltammetry (CV), stepped cyclic voltammetry (SCV) #, square

Wave voltammetry (SWV) #, differential pulse voltammetry (DPV) #, conventional pulse voltammetry (NPV) #, conventional difference

Split pulse voltammetry (DNPV) #, Differential Pulse current detection (DPA), dual differential Pulse Current detection (DDPA),

Three-pulse Current Detection method (TPA), Integrated Pulse Current detection method (IPAD), AC Voltammetry (ACV)

Second harmonic AC voltammetry (SHACV), Fourier transform AC voltammetry (FTACV) (the # method includes phase

Dissolution voltammetry method);

Ac impedance: Electrochemical impedance (EIS) ~ frequency scan, Electrochemical impedance (EIS) ~ time scan, electrochemical impedance (EIS) ~

Potential scanning (Mott-Schottky curve), constant current impedance test;

Charge and discharge test: battery charge and discharge, constant current charge and discharge, constant potential charge and discharge, constant current intermittent titration GITT, constant potential intermittent

Titrating PITT;

Extended measurements: Electrochemical noise (EN), galvanic corrosion measurement (ZRA), electrochemical dissolution/deposition, controlled potential electrolysis coulomb

Method (BE), solution resistance measurement, cyclic polarization curve.