Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
Solid State Electrolyte: Ionic Conductivity Measurement and Pressure Effects
Abstract Solid state electrolyte ionic conductivity is the key performance parameter determining whether a solid electrolyte can replace liquid electrolytes in lithium-ion batteries — measured in mS/cm (millisiemens per centimeter) via...
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A Systematic Guide to Lithium-Ion Battery Failure Analysis: Methods and Instrumentation
Abstract Battery failure analysis is the systematic process of identifying and characterizing the root causes of performance degradation and safety incidents in lithium-ion cells. Two categories are distinguished: performance failure—including capacity attenuation,...
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Limiting Factors of Fast Charging Technology and Analysis of Lithium Plating Windows
Abstract The limitations of lithium-ion battery fast charging speed arise from six interacting factors: electrode and electrolyte material properties, environmental temperature and humidity, the charging method used (constant current, constant voltage,...
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Stabilizing Lithium Metal Anodes by Leveraging Inherent Stress Variations via an Adaptive Piezoelectric Effect
1. Article Abstract Volume change of lithium metal anodes (LMAs) during plating/stripping produces evolving mechanical stress that drives SEI fracture, particle detachment and dendrite growth. This study proposes and...
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A Method for Rapid Prediction of Cell Lifetime Degradation: Correlating Li Plating and Thickness Expansion
1. Abstract Li plating (lithium metal deposition) is both an accelerator of capacity fade and a latent safety hazard in lithium-ion pouch cells. We demonstrate a fast, non-destructive method that...
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The Effect of Electrolyte Additives on Gas Production and Gas Composition of Cells
1. Preface Electrolyte is one of the four main materials of lithium-ion batteries, known as the “blood” of lithium-ion batteries. Electrolyte is mainly composed of organic solvents, electrolyte lithium salts,...
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Formation Temperature Effects on SEI Film Composition and Cell Volume Expansion
Abstract Formation temperature is a key process parameter in lithium-ion cell manufacturing that directly controls both the chemical composition of the SEI film (solid electrolyte interphase) on the negative electrode...
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In-Situ Gas Generation Analysis in Lithium Batteries During High-Temperature Storage
Abstract We report an in-situ study of Gas Generation and open-circuit voltage (OCV) behavior for lithium-ion cells stored at 85 °C across five states of charge (SOC). Using the IEST...
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Prelithiation Process | Characterization of Gas Production Behavior at Slurry Level for Different Silicon Oxide Materials
1. Background In recent years, people have placed higher and higher requirements on battery life, safety, fast charging and other performance. Silicon-based anode electrode materials are new high-performance lithium-ion battery...
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IEST Lithium Battery Electrode Testing Scheme
1. Electrode Uniformity In the manufacturing process of energy storage batteries, the uniformity of lithium battery electrode coating is an important parameter to be monitored in the early stages of...
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Lithium Battery Electrode Coating Uniformity Evaluation: In-situ AB Surface Resistance Test Method
Abstract Battery electrode coating uniformity — the consistency of coating thickness, surface density, and conductive network distribution across both the A-side and B-side of a double-sided electrode — is a...
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Analysis of Electrode Conductivity and Compression Properties in Single and Double-Sided Battery Electrodes
1. Abstract We present a comparative study of electrode conductivity and compressive behavior for single-sided and double-sided electrodes fabricated from NCM, LCO, and graphite (GR) active materials. Using a IEST...
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