Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
eTransportation: IEST SWE2100 Enables the Inhomogeneous Degradation Mechanisms in LiFePO4/Graphite Pouch Cells Under Coupled Thermal and Electrical Stress
Abstract Under coupled high-temperature and over-discharge (HO) conditions, commercial LiFePO4 Graphite Pouch Cells undergo severe nonlinear degradation with an acceleration factor of 2.5×, requiring only 40% of the equivalent full cycles (EFC)...
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How to Efficiently Screen Silicon-Based Anode Materials Using Expansion Thickness Measurement
1. The Challenge: Managing Volume Expansion in High-Energy Anodes In the race for higher energy density, silicon based anode materials are unparalleled due to their significantly higher theoretical capacity compared to graphite....
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How Battery Manufacturing Humidity Affects Electrode Sheet Resistance in Lithium-ion Batteries
Abstract Electrode sheet resistance is a critical parameter that determines a cell’s internal resistance, rate capability, and performance uniformity — and in large-scale manufacturing, ambient humidity is a key process variable...
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How to Rapidly Evaluate Low Temperature Electrolyte Performance for Lithium-ion Batteries
1. Abstract This article presents a faster, more efficient method for screening low temperature electrolyte candidates. By measuring the separator ionic conductivity with different electrolytes across a temperature gradient, the...
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Accurate LFP Compaction Density Testing: A Guide for Compliance and Performance Optimization
Abstract LFP compaction density testing measures how densely lithium iron phosphate (LFP) powder packs under a defined pressure — typically evaluated at 220 MPa using a three-point method — and...
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Analysis of Electrode Sheet AB Side Resistance: Measuring Surface Resistance to Assess Coating Uniformity
1. Introduction: The Critical Role of Electrode Coating Uniformity Electrode foil surfaces — commonly referred to as the A-side (first coating) and B-side (second coating) — can differ subtly in...
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A Multi-Scale Analysis of Thermal–Overdischarge Coupling Aging in LFP Batteries
Abstract LFP batteries subjected to combined high-temperature and deep-overdischarge stress exhibit an aging mechanism with three distinct stages — activation, linear decay, and accelerated decay — and the DCIR (DC internal resistance) growth pattern shifts...
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IEST SEMS Characterization Solutions Enable Groundbreaking Research: Pressure-Free Silicon-based Anode Achieves 1000 Stable Cycles in All-Solid-State Batteries
Abstract A sSilicon-based anode all-solid-state battery (ASSB) operating without external pressure has been demonstrated for the first time at a practical scale, achieving 1,000 stable cycles at 2.5 mA cm⁻² with...
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In-situ Crystal Structure Growth and Control for Enhancing Cathodes Comprehensive Performance in Ultrahigh Nickel-Layered Lithium Cathodes
1. Article Information Article Name: In situ Crystal Structure Growth and Control for Enhancing Comprehensive Performance in Ultra-High Nickel-Layered Lithium Cathodes First Author: Yingshuang Sun Corresponding Authors: Ziwei Chen, Qinghua Zhang Affiliation: Zhejiang...
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Assessing the Impact of Drying Time on Electrode Tortuosity
1. Introduction In lithium-ion battery production, controlling electrode moisture is critical, typically managed through parameters like temperature and time during drying to minimize its impact on performance. However, the internal...
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High-Precision Battery Cycler Systems: Analysis of Accuracy and Stability Verification Methods
1. Abstract With the rapid development of electric vehicles, grid-scale energy storage and premium consumer electronics, the demand for accurate and stable battery characterization has risen sharply. High-precision battery cycler...
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Study on the Mechanism of Battery Binders on Electrode Tortuosity and Performance Regulation
1. Background As one of the most important electrochemical energy storage devices today, the performance enhancement of lithium-ion batteries has always attracted significant attention. Traditional research often focuses on the...
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