Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
LMFP Material’s Electrical Conductivity and Compaction Density Analysis
Abstract LMFP (lithium manganese iron phosphate, LiMnxFe1-xPO4) is an olivine-structure cathode material for lithium-ion batteries that extends LiFePO₄ (LFP) by partially substituting Mn for Fe — raising the electrode potential...
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IEST Facilitate Partners Publish High-level Papers on Advanced Materials, Journal of Energy Storage, Energy & Environmental Science, Nano Energy etc.
IEST introduce a variety of special characterization instruments for the lithium battery industry (powder resistance meter, slurry resistance meter, electrode resistance meter, cell in-situ swelling and gas production test system,...
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Entropy Surface Engineering Promotes The Stability Of Multi-electron Reactions Of Anions And Cations In Li-rich Layered Cathodes
Literature Appreciation: Entropy Surface Engineering Promotes The Stability Of Multi-electron Reactions Of Anions And Cations In Li-rich Layered Cathodes First Author: Jiayu Zhao Corresponding Authors: Yuefeng Su, Jinyang Dong, Lai...
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Introduce Cyclic Voltammetry: Principle, Instrumentation, and Analysis Guide
Abstract Cyclic voltammetry (CV) is an electrochemical technique in which the potential applied to a working electrode is swept linearly between two limits and then reversed in a triangular waveform, while...
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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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