Description
1. Project Background
- R&D and Industry: An electrochemical performance analyzer is a specialized device used for measuring, analyzing, and controlling electrochemical processes and reactions.
- Tech & Industry Upgrade: Electrochemical analysis instruments are maturing, with integrated hardware, programmable software, and multifunctionality, leading to significant improvements in accuracy, resolution, and response time.
2. High-Precision Current & Voltage Testing
- The 0.01% testing accuracy can precisely measure the specific capacity of new materials and detect subtle side reactions during the initial stages of battery cycling, This allows for a comprehensive performance evaluation and lifetime prediction of the battery in a short period.
3. Innovative Solutions of IEST
- Equipped with a 24-bit ADC and 16-bit DAC, achieving high-precision voltage and current control and testing.
- Support CV (Cyclic Voltammetry), LSV (Linear Sweep Voltammetry), EIS (Electrochemical Impedance Spectroscopy), CA(Chronoamperometry), and CP (Chronopotentiometry) test.
4. Auxiliary Channel
5. Cyclic Voltammetry (CV) Testing
Cyclic Voltammetry (CV) reveals key details on reaction reversibility, peak potential, kinetics, active area, stability, mechanisms, and diffusion coefficients.
6. EIS Test
Electrochemical impedance analysis reveals critical data on charge transfer resistance, electrolyte conductivity, diffusion impedance, interfacial properties, and material and surface layer stability.
7. EIS Comparison With Other Workstations
- EIS test results show COV within 2%, ensuring, high reproducibility compared to other workstations.
- Better SNR in large cell testing than workstations without current amplifiers.
8. GITT/PITT Test
GITT and PITT effectively measure the lithium ion diffusion coefficient (D).
Applications
Case 1: Precise CE & Lifespan Prediction
- High-precision CE testing allows for early performance assessment, enabling rapid battery lifespan prediction!
- Lifespan prediction requires accuracy within 0.1% and noise
Case 2: Side Reaction & Material Evaluation
- ΔC or Ch. End Cap measurement requires high-precision charge-discharge equipment. Low accuracy will lead to inaccurate results.
Case 3: Battery Capacity Decay Factor Analysis
- High-precision testers ensure smooth curves and capture small phase change peaks!
Case 4: Leakage Current
Charge to the target voltage, stabilize under constant voltage, and assess leakage current by the zero-current difference.
- High-precision testers ensure accurate leakage current measurement.
Video
Specifications
