Secondary Cells Testing TRIZ Cases
- Battery Parameter Estimation Under Low Diffusion Length Conditions
Diffusion-length-based concentration modeling improves battery SOC and health estimation when standard single-particle models fail at low diffusivity.
- Battery Temperature Control with State-Based Cooling Thresholds
Adaptive battery temperature ranges during idle and charge-discharge states cut air-conditioning cycles, lower control power use, and preserve output.
- Lead Film OCT Inspection for Internal Battery Void Detection
OCT scans the lead film-lead tab interface to detect internal gaps in batteries, improving fusion quality checks and leakage prevention.
- Battery Parameter Estimation Under Low Diffusivity Conditions
Diffusion-length-based concentration modeling improves battery SOC and health estimation when low diffusivity makes single-particle models inaccurate.
- Battery Cell Pressing Assembly With Symmetric Pressure Sensing
Symmetric pressure sensors on a battery pressing assembly detect left-right load differences and help maintain uniform cell compression.
- Clamshell Cell Testing With Thermoelectric Temperature Control
A clamshell tester uses Peltier temperature control and coolant support to keep each electrochemical cell at consistent test conditions.
- Rotating Battery Cell Inspection Stage for X-Ray Total Inspection
Automated battery cell inspection apparatus uses radiography to capture images of stacked cells on a rotating stage.
- Pressurizing Jig for Gas Analysis Monocell Electrode Stability
Thermosetting resin plates with auxiliary pads press a gas analysis monocell to maintain electrode contact during testing.
- Battery Authentication via Electromagnetic Spectrum Analysis
A power management module measures the electromagnetic radiation spectrum of a battery to verify its authenticity.
- Battery Pack Power Dissipation Prediction for Sudden Cutoff Prevention
A battery pack control unit predicts future power dissipation characteristics using electrical and thermal measurements to manage output.
- Battery Internal Temperature Estimation via AC Phase Difference
Estimate battery internal temperature using AC phase difference to resolve heat management challenges in high-power electric vehicle packs.
- Dual Current Source Battery Monitoring IC for Voltage Balance
Distributed current sources balance voltage stability in assembled batteries by segmenting power supply functions.
- Abnormality Detection Circuit for Power Storage Device
Control circuit detects ground faults and cell resistance changes by measuring intermediate node voltage deviations from ground potential.
- Calorimeter with Ejecta Capture for Battery Thermal Runaway Energy Ratio
A calorimeter system with ejecta capture mechanisms measures temperature increases to determine energy yield ratios during thermal runaway events.
- Secondary Battery Inspection via Variable X-Ray Radiation
A secondary battery inspection apparatus divides cells into interest and non-interest areas to adjust X-ray radiation parameters for targeted defect detection.
- Simplified Battery Tester with Smart Device Data Analysis
A simplified battery tester transmits raw electrical data to a smart device for analysis.
- End Plate Stiffness Testing via 1D Model Simulation
A testing apparatus calculates force-distance curves using a one-dimensional model to assess end plate stiffness.
- Secondary Battery Pouch Withstand Pressure Evaluation Device
A secondary battery evaluation device uses a spacer and injector to measure pouch withstand pressure.