Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
IEST Facilitates High-Nickel Cathodes Development for Stability and High-Rate Performance
1. Abstract High-nickel cathode materials offer high capacity and favorable cost-per-energy, but their adoption at high voltage and fast charge rates is hampered by structural instability and stress accumulation. This...
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Analysis and Characterization of Expansion Force in Cylindrical Lithium Cells
Abstract Cylindrical cells (sometimes written as cylindrical pressure cells) remain a dominant battery format due to their mature winding process, high automation, and consistent quality. Unlike pouch or prismatic formats,...
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Evaluation Scheme Of Electrical and Mechanical Properties of Composite Current Collectors
Abstract A current collector in a battery is the metallic foil—copper for the anode, aluminum for the cathode—that conducts electrons between the active material coating and the external circuit. A...
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Correlation Between Electrolyte Wettability And Electrode Tortuosity
1. Preface In this paper, we explore the correlation between electrolyte wettability and electrode tortuosity by testing the tortuosity and wetting rate of electrodes with different compaction densities to provide...
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IEST Successfully Hosted the 9th National Solid State Battery Symposium
On November 2-3, 2024, the 9th National Solid State Battery Symposium was successfully held in Xiamen, hosted by the Solid State Ionics Branch of the Chinese Silicate Society, and co-sponsored...
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An In-Depth Analysis of All-Solid-State Battery Research and Testing — Current Status and Practical Testing Guide
Abstract All-solid-state batteries (ASSBs) promise higher intrinsic safety and the potential for much higher energy density by replacing flammable liquid electrolytes with solid ionic conductors. However, numerous materials and engineering...
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How To Improve Electrolyte Wetting Level
Abstract Electrolyte wetting in lithium-ion batteries refers to the ability of the liquid electrolyte to fully penetrate the pores of electrode coatings and separators, forming continuous solid–liquid interfaces that enable...
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Compaction Density Measurement of Powder Materials-Pressurizing, Unpressurizing & Bouncing
1. Preface Powder materials’ resistivity and compaction density are important indicators for material monitoring in the current lithium industry, and their determination is usually done under different quantitative pressures. The...
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CATL Launches Freevoy Super Hybrid Battery: Revolutionizing PHEV with 400km EV Range & 4C Ultra-Fast Charging
On October 24, CATL , the world’s largest EV battery manufacturer, unveiled a groundbreaking innovation in hybrid energy storage: the Freevoy Super Hybrid Battery. As the world’s first hybrid battery...
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CATL Stellantis Spain Partnership: Boosting Spain’s Lithium-ion Battery Market
The Spain lithium-ion battery market is entering a new stage of rapid development. The Zaragoza plant of global automotive giant Stellantis is partnering with CATL, the world’s largest EV battery...
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Characterization Of High Nickel Ternary Gas Production Behavior
1. Preface Among the many cathode materials, the high nickel material LiNixM1-xO2 (M = Mn, Co, Al, etc.) exhibits high energy density as well as good cycle life. However there...
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A Comprehensive Analysis of Compression and Conductivity in Silicon-Carbon and Silicon Monoxide Anode Materials
Abstract Silicon-based anodes—including silicon-carbon (Si/C) composites and carbon-coated silicon monoxide (SiO)—offer theoretical specific capacities far exceeding graphite (372 mAh/g), but massive volume expansion (~300% for Si, ~160% for SiO during...
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