Model Coin-cell Swelling System

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Whats/App: +86 181 0160 0864

Web: gellowen.co.uk

The Model Coin-Cell Swelling System is designed for in-situ measurement of thickness and volume changes of coin-type lithium-ion cells during charge and discharge processes. The system adopts high-precision non-contact laser displacement sensing to capture micron-level swelling behavior under controlled temperature and pressure conditions. It provides reliable and repeatable data for material screening, structural optimization, and safety evaluation of coin-cell batteries.

Application

(1) In-situ swelling and thickness change measurement of coin-type lithium-ion cells during cycling.

(2) Expansion behavior evaluation of standard coin-cell formats including 2032, 2025, and 2016.

(3) Screening and comparison of electrode materials such as graphite, silicon-based anodes, and solid-state electrolytes.

(4) Mechanical stability and fatigue analysis of electrode stacks under pressure cycling.

(5) Thermal–mechanical coupling analysis under high-temperature and low-temperature environments.

(6) Safety and reliability assessment during fast charge, overcharge, and abuse testing.

(7) R&D validation and quality consistency evaluation for laboratory-scale battery development.

Standards

(1) ASTM E83 – Standard Test Method for Verification of Linear Displacement Measuring Systems.

(2) ISO 12417-1 – Mechanical Testing of Metals – Dilation Test (reference method).

(3) IEC 62660-2 – Secondary Lithium-Ion Cells – Reliability and Abuse Testing.

(4) DIN 51221 – Testing of Adhesives – Determination of Tensile Shear Strength (reference for deformation testing).

(5) CE Certification – Conformité Européenne.

Features

(1) Micron-level non-contact laser displacement measurement with high repeatability.

(2) High-resolution detection of subtle thickness and volume changes in coin cells.

(3) Multi-environment testing capability with integrated temperature chamber.

(4) Dynamic pressure loading for electrode stack fatigue and structural response analysis.

(5) Eight-channel parallel testing to improve screening efficiency and data consistency.

(6) Laser-guided positioning system for precise coin-cell alignment.

(7) Automatic thermal drift compensation during long-term cycling tests.

(8) Dual redundant safety protection with emergency stop function.

(9) Glovebox-compatible design for oxygen- and moisture-sensitive chemistries.

Parameters

Parameter	Specification
Displacement Range	±500 μm (linear), ±0.5° (angular)
Linear Measurement Accuracy	±0.05 μm
Angular Measurement Accuracy	±0.005°
Displacement Resolution	0.1 μm
Temperature Range	-20°C to 150°C
Temperature Ramp Rate	≤ 2°C/min
Pressure Range	0–10 bar
Test Channels	8 channels
Data Acquisition Rate	10,000 points/s/channel
Power Supply	AC 100–240 V, 50/60 Hz
Dimensions (W×D×H)	400 × 350 × 600 mm
Weight	65 kg (net) / 80 kg (gross)

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