Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
Application of EIS Testing To Lithium Battery On Pressure Condition
Abstract EIS testing on LCO/graphite pouch cells shows that module-level compression pressure increases low-frequency impedance and charge transfer resistance ($R_{ct}$), and this effect is strongest at low state of charge...
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Impact of Stiffness Constraints (Linear Regime) on Battery Cell Performance
1. Preface The in-situ swelling analyzer (SWE) launched by IEST has constant pressure and constant gap test modes, which can monitor the thickness evolution of the cell under constant pressure...
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In-situ Swelling Analysis of NCM Cells Under Different Constant Pressure Conditions
1. Abstract This study utilizes an In-situ Swelling Analyzer (SWE) to investigate the thickness evolution of an NCM cell under varying constant pressure conditions (50N, 500N, 1000N). The analysis focuses...
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Blade Cell Expansion Testing: Insights for Blade Battery Technology and Design
Abstract Blade battery technology refers to a long, thin, blade-shaped lithium-ion cell format — most commonly using lithium iron phosphate (LFP) chemistry — that is embedded directly into the battery pack...
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The Effect of Charging Rate on Overcharge Gas of Cell
In this paper, an IEST in-situ volume monitor (GVM) is used to carry out in-situ overcharge volume test under different charging rate conditions (0.5C/1.0C/2.0C/3.0C) on lithium cobalt oxide/graphite batteries (theoretical...
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In-situ Monitoring of Gas Evolution in NCM Material Pouch Cells During Storage and Overcharge
1. Abstract Nickel-rich Lithium Nickel Cobalt Manganese Oxide (NCM Material) is a leading cathode choice for power batteries due to its high energy density. The Ni/Co/Mn ratio critically influences performance1-2,...
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NCM811 Cell Volume Change: Screening Electrolyte Stability via In-Situ Monitoring at 60°C
Abstract This study uses an in-situ gassing volume monitor(GVM2200) to analyze the volume changes of two different electrolyte systems in NCM811 ternary cathode cells during high-temperature cycling, providing a direct method...
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Pouch Cell In-situ Analysis of the Volume and Thickness Swelling Behavior
Abstract Pouch cell swelling refers to the reversible and irreversible dimensional changes—in volume and thickness—that occur during lithium-ion intercalation and de-intercalation. Reversible swelling arises from lattice expansion during cycling and...
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Pouch Cell In-Situ Gas Evolution Testing: Electrolyte Additive Screening with VC, VEC & PES
Abstract In-situ gas evolution testing of lithium-ion pouch cells measures real-time volume change during formation and initial charging using the Archimedes principle of buoyancy, allowing researchers to distinguish how different electrolyte additives affect...
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Why Lithium Battery Testing Equipment is Essential for Your Business
Lithium battery testing equipment plays a crucial role in today’s rapidly evolving energy storage landscape. As the demand for high-performance batteries continues to grow across industries, businesses are recognizing the...
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In-situ Expansion Characterization of Cylindrical Batteries: Large-Format Cells Exhibit Ten Times Higher Swelling
1. Abstract In the future market competition, the core advantages of large cylindrical battery focus on high safety, excellent high-rate charge and discharge capabilities, top-notch energy density, and high cost-performance...
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Gas Evolution in NCM Li-Ion Cells During Overcharge: Cathode Gas, Lattice Oxygen, and Electrolyte Additive Effects
Gas evolution during overcharge in lithium-ion cells is driven by two coupled mechanisms: cathode lattice oxygen release (which intensifies with cathode structural instability at high potential) and electrolyte/additive oxidative decomposition....
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