CHI Electrochemical work station with RRDE - 2
| Make: | CH Instruments |
| Model: | 760E with RRDE-3A |
| Year of purchase: | 2023 |
| Funded by: | |
| Location: | Energy Lab |
| Contact email: | energylab@cens.res.in |
| Book New Request | |
- Zero resistance ammeter
- 2- or 3- or 4-electrode configuration
- Floating (isolated from earth) or earth ground
- Maximum potential: ±10 V for both channels
- Maximum current: ± 250 mA continuous (sum of two current channels), ±350 mA peak
- Compliance Voltage: ±13 V
- Potentiostat rise time: < 1 µs, 0.8 µs typical
- Potentiostat bandwidth (-3 dB): 1 MHz
- Applied potential ranges: ±10 mV, ±50 mV, ±100 mV, ±650 mV, ±3.276 V, ±6.553 V, ±10 V
- Applied potential resolution: 0.0015% of the potential range
- Applied potential accuracy: ±1 mV, ±0.01% of scale
- Applied potential noise: < 10 µV rms
- Measured current range: ±10 pA to ±0.25 A in 12 ranges
- Measured current resolution: 0.0015% of current range, minimum 0.3 fA
- Current measurement accuracy: 0.2% if current range >= 1e-6 A/V, 1% otherwise
- Input bias current: < 20 pA
- • Cyclic Voltammetry
- • Linear Sweep voltammetry
- • Nyquist and Bode Plots
- • Tafel plot
- • Charge–discharge studies for supercaps
- • Differential pulse voltammetry
- • Chronopotentiometry (i-t curve for stability studies)
- • Electrochemical sensing
- • Hydrodynamic electrochemical studies
| Modes | Duration (hrs) |
|---|---|
| LSV | Usually takes 5 min (It depends on the scan rate) |
| CV/DPV | Usually takes 5 min (It depends on the scan rate) |
| 10000 cycles | 14 hr |
| 25000 cycles | 35 hr |
| AC impedance | 20 min |
| Charge-discharge | Usually 2 h |
| Chronoamperometry | Mini mum 24 hr,. Depends on how many hours the user wants to monitor the stability (1 day – 5 days) |
| Charge-discharge cycling study 4000 cycles | 6 h |
| Sl. No. - Category | Fees ( in Rs/- ) + additional 18% GST |
|---|---|
| 03 - Industry | 1,500 per slot / 3 hrs |
| 01 - Other Academia | 750 per slot / 3 hrs |
| 02 - Industry partner | 1,125 per slot / 3 hrs |