Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
Entering Electrochemistry | The Critical Role of High Precision in Battery Test Equipment
1. Abstract High precision battery test equipment is central to credible electrochemical research and to quality-controlled production of lithium-ion cells. Precise control and measurement of current and voltage reveal small...
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Identifying the Lithium Plating C-rate Window in Li-ion Pouch Cells via Non-Destructive Expansion Analysis
1. Abstract Lithium plating is a critical failure mode during fast charging—especially at low temperatures—because plated Li reduces capacity, forms electrically “dead” Li, consumes electrolyte via SEI formation, and can...
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Measuring Pouch Cell Swelling: Spatially Resolved Expansion Force Distribution During Charge–Discharge Cycling
Abstract Pouch cell swelling during electrochemical cycling is non-uniform: expansion force peaks in the center of the cell and is substantially weaker at the heat-sealed edges and tab regions. To measure...
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Analysis the Relationship Between Capacity Decay And Thickness Swelling During The Long-cycle Process Of NCM Cells
Abstract Capacity decay and loss occur during lithium-ion battery cycling, and researchers worldwide have extensively studied its underlying mechanisms. Known contributing factors include CEI/SEI passivation film formation on cathode and...
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Characterization Method of Compaction Density of Cathode and Anode Electrode Materials for Lithium Battery
Abstract Compaction density — also referred to as press density in some contexts — measures the mass per unit volume of an electrode powder under applied pressure, and is one...
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Powder Compaction Density & Powder Conductivity: Loading vs. Unloading State Comparison for LFP and Graphite Anode Powder Testing
Abstract Powder compaction density and powder conductivity of lithium-ion battery electrode powders differ significantly depending on whether they are measured under applied pressure (pressed-state, or loading, density) or after pressure release (unloaded, relaxed-state...
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A Universal Strategy for Precise Control of Initial Coulombic Efficiency in Li-Rich Mn-Based Cathode Materials
Authors: Dong-Liang Peng (Prof.), Qingshui Xie (Senior Researcher), Weibin Guo (first author), et al. Source: A Universal Strategy toward the Precise Regulation of Initial Coulombic Efficiency of Li-Rich Mn-Based Cathode...
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Effect of Deionized Water on Gas Production in Silicon-Based Slurry at Different Temperatures
1. Introduction With the rapid development of the lithium-ion battery industry, silicon-based anode materials have gained attention due to their high theoretical specific capacity. Silicon-based slurry typically use deionized water...
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Analysis of Conductive Carbon Content on Multi-Scale Resistivity in Lithium-Ion Batteries
1. Introduction Lithium-ion batteries power a wide array of applications, from portable electronics to electric vehicles and grid storage. A critical challenge across these fields is enhancing fast-charging capability, which...
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Hard Carbon Density and Conductivity vs Prussian Blue: Sodium-Ion Battery Powder Test Data
Abstract Hard carbon electrical conductivity measurement is performed using the four-probe method in a controlled powder resistivity tester to eliminate contact resistance artifacts — critical because hard carbon’s lower resistance makes...
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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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