Tender For Supply Installation And Commissioning Of Lab Equipment-- 1 Electro Chemical Workstation 2 General Techniques • Cyclic Voltammetry (CV) with simulation/fitting programs • Linear Sweep Voltammetry (LSV) with stripping • Bulk Electrolysis with Coulometry (BE) Corrosion • Tafel Plot (TAFEL), potentiodynamic deactivation, pitting corrosion, corrosion rate, linear Polarisation, Corrosion current etc. Fuel cell • Multi-Current Steps (ISTEP) • Polarisation I-V curves Linear Sweep • Open Circuit Potential – Time (OCPT) Impedance • AC Impedance (IMP) (10μHz – 5 MHz) • Impedance – Time (IMPT) (Mott-Scottsky) • Impedance – Potential (IMPE) • Impedance Simulator with fitting • Open Circuit Potential – Time (OCPT) AC Impedance Plots with Simulation • Bode : log Z vs log (freq) • Bode : P{hase , vs log (freq) • Bode : log Z” & Z’ vs log (freq) • Bode : log Y vs log (freq) • Nyquist ; Z” vs Z’ • Admittance; Y” vs Y’ • Warburg: Z” & Z’ vs w1/2 w-angular frequency • Z’ vs w Z” Battery Charge/Discharge • Galvanostatic Charge discharge single/multiple cycle -Chrono Potentiometry (CP) with potentiallimits, polarity by potential or time, no. of cycles etc • Voltage vs current density curves Photovoltaic studies I-V measurements, I max, Pmax, Fill factor etc General Useful Techniques • Chrono Amperometry (CA) • Chrono Coulometry (CC) • Chronopotentiometry with Current Ramp (CPCR) • Potentiometric Stripping Analysis (PSA) • Auxiliary Signal Measurement Channel • RDE control (0-10V output) • IR Compensation • External Potential Input Software requirements: Software package should consist of voltammetry, pulse, battery, super capacitor, Photovoltaic fuel cell, EIS, Equivalent circuit fitting software. • Voltammetry Software- Cyclic Voltammetry, Linear scan Voltammetry, Staircase Voltammetry • Impedance Spectroscopy software- Potentiostatic EIS, Galvanostatic EIS • Pulse software: Differential pulse Voltammetry, Square wave Voltammetry, Stripping voltammetry, Chronoamperometry, Chronopotentiometry & expert • Corrosion: Potentiostatic/Galvanostatic- Gavanodynamic, Tafel, Electrochemical noise • Battery/Super capacitor: charge/discharge Constant potential, GITT, PITT, Constant current, constant power, I-V • 3D plots for graph and Z impedance data • Complete analysis software for CV • EIS circuit fitting facility and software with license • Free Lifetime up gradation of the software.03 Years for electrochemical workstation 03 year for Battery cycler 3 Electro chemical cell 50ml, Teflon cap, purge tube, cell stand 4 Glassy carbon working Electrode 3mm diameter 5 Ag/Agcl Reference Electrode (aq) 6 Ag/Agcl Reference Electrode (non-aq) 7 Platinum wire counter Electrode 50mm 8 Electrode Polishing Kit – 1 No. & Cell Stand 9 Branded Online UPS 1KVA with 60 mins backup 10 Branded Desktop computer i5 Processor, 16GB RAM, 512 GB SSD, 21” Monitor, Windows 11, mouse, keyboard 3 or above years warranty 11 Battery charge – discharge cycler 12 Battery charge – discharge cycler Channel 1 Specifications• Compliance Voltage: ±20 V or higher • Applied voltage: ±14 V or higher • Current ranges: ±5 nA to ±500 mA @ 15V • Minimum applied & measured current resolution: 100pA • Voltage accuracy: 0.1% or better • Current accuracy: 0.1% or better • Impedance frequency range: 10 µHz to 5 MHz • AC amplitude 0.1mV to 5V • Electrode connections: 2, 3 and 4 electrodesChannel 2-9 Specifications• CV Output voltage:25mV-5V • Minimum discharge voltage: -5V • Voltage accuracy: ±0.05%of full scale • Current output: Range:1-5uA-1mA, • Range2:1mA-25mA, Range 3: 25mA-50mA • CV Cut- off current: Range 1:2uA, • Range2 :50uA, Range3 :100uA • Stability: ±0.05% • Response time: ˂500us 13 Communications and power:Branded Desktop computer i5 Processor, 16GB RAM, 512 GB SSD, 21” Monitor, Windows 11, mouse, keyboard 3 or above years warrantyPower supply: 230VAC/50Hz
