Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
Entering Electrochemistry | The Significance of High-Precision Charge/Discharge Testing for Predicting the Lithium ion Battery Lifespan
Abstract Coulombic Efficiency (CE) of a lithium-ion battery is calculated as: \(CE = Q_D(n) / Q_C(n)\), where \(Q_D(n)\) is the discharge capacity and \(Q_C(n)\) is the charge capacity in cycle...
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Entering Electrochemistry | The Secret Weapon of Electrochemical Research—The Three Electrode System
Abstract Three electrode system — also called a three electrode cell or 3 electrode electrochemical cell — is a laboratory configuration designed to deliver precise control and measurement in electrochemical...
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Why High-Nickel NCM Cathode Materials Show “M”-Type Swelling Behavior
Abstract “M”-type swelling is a non-monotonic thickness change observed in high-nickel NCM cathode materials, in which the electrode expands through most of charging but reversibly contracts near the top of...
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Silicon Anode Materials Swelling Percentage: Rapid Coin-Cell Screening of Three Silicon-Carbon Materials
Abstract Silicon anode swelling percentage varies widely by material and modification strategy. In this study, three commercial silicon-carbon (Si/C) anode materials with matched capacity (~5.9 mAh) showed swelling rates of...
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LFP Battery Flat Voltage Curve SOC Estimation: An Expansion Force Method That Works Where Voltage Cannot
Abstract Accurate LiFePO4 SOC tracking is severely hindered across a broad operating window because the LFP battery voltage curve flat SOC estimation threshold exhibits a minute 0.07 V change from...
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In-situ Testing of Volume-Stress-Thickness Variation of Different Silicon Anodes in Pouch Cells
1. Author Information and Article Abstract In 2017, the J.R.Dahn research group used the in-situ characterization method to test the volume, stress and thickness changes of the electrodes for pouch...
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Rapidly Assessing Pouch Cell Flatness With Pressure Mapping System
1. Abstract This article demonstrates a practical, quantitative alternative: using a IEST Battery Pressure Mapping System(BPD1000) to instantly visualize and quantify surface pressure distribution, to characterize initial flatness across several...
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Lithium Metal Batteries With Zero Volume Expansion Composite Anode For High Energy Density and Stability
1. Abstract A roll-to-roll process was developed to fabricate a composite lithium metal batteriesthat exhibits near-zero volume expansion during cycling. The anode uses a sandwich architecture—an electronic-insulating top layer, a...
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Influence of Buffer Foam on the Swelling Thickness and Swelling Force of the Cell Charge and Discharge Process
1. Preface Lithium-ion battery is an electric-heat-force coupling system, which has swelling problems in the actual use process. On the one hand, the SEI film is formed, and the air pressure...
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Battery Storage Gassing Testing Has Never Been Easier!
1. Introduction Gas generation is an unavoidable phenomenon during the battery manufacturing process and its usage, occurring in various stages such as formation, cycling, overcharging, over-discharging, and storage. Different working...
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In-Situ Swelling Analysis of LiFePO4 Prismatic Cells: The Impact of Preload Force and C-Rate
Abstract This prismatic case study uses an in-situ swelling analyzer (SWE2110) to quantify swelling force and surface temperature of LiFePO4/graphite prismatic cells (40 Ah) under different initial preload conditions (60 kg / 90...
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Silicon Carbon Anode Swelling Percentage and Capacity Decay: A 50-Cycle In-Situ Comparative Study
Abstract Silicon anodes undergo approximately ~300% volume expansion during lithiation — a fundamental challenge that silicon-carbon (Si-C) composite designs partially mitigate but cannot eliminate. In a 50-cycle in-situ swelling study on pouch...
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