Application Article Center
Application Notes & Research Insights
Discover technical articles, application cases, and characterization methods for advanced battery development."
Tesla 4680 Battery VS. BYD Blade Battery: Study Reveals Different Battery Cell Technologies
Abstract The Tesla 4680 battery cell achieves a gravimetric energy density of 241 Wh/kg and a volumetric energy density of 643.3 Wh/L, using NCM811 cathode chemistry in a tabless cylindrical format (46 mm × 80...
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New Tool for Coin Cell Assembly: Automatic Coin Cell Assembly System Boosts New Energy R&D
1. Introduction In the rapidly evolving new energy sector, continuous development of novel materials necessitates comprehensive testing. Beyond routine physicochemical characterization (particle size, BET, XRD, SEM, etc.), preliminary electrochemical performance...
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Oxide Solid Electrolyte Evaluation: High-Throughput Ionic Conductivity & Semi-Solid Battery Testing Solutions
1. Abstract Oxide solid electrolytes are a leading candidate for high-energy, high-safety next-generation batteries. This article presents IEST’s practical solutions for rapid, reliable oxide solid electrolyte characterization — from pellet...
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Understanding Single-Particle Mechanical Properties: Compression and Crushing Behavior of Hollow Spheres
1. Background With the continuous development of science and technology, research in the field of materials science is becoming increasingly in-depth. Among them, hollow sphere materials have shown broad application...
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Entering Electrochemistry | EIS Diagnostic Testing for Lithium Battery Failure Analysis
Abstract Battery failure analysis using EIS (electrochemical impedance spectroscopy) testing is a non-destructive method that identifies lithium-ion battery degradation modes — including SEI layer thickening, charge transfer resistance increase, lithium dendrite...
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Impact of Pressure on Separator Ionic Conductivity in Lithium-Ion Batteries
Abstract Separator ionic conductivity (symbol \(\sigma\), unit S/cm) quantifies how readily Li\(^+\) ions transport through a battery separator — a key determinant of cell power and rate capability. The ionic...
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Polystyrene Microspheres: Single-Particle Compression Properties and Particle Morphology
1. Background Polystyrene microspheres (PS microspheres) represent a significant research focus in polymer science due to their unique physicochemical properties, which make them highly suitable for a variety of applications...
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Impact of Compaction Pressure On Formation and Performance of Garnet-based Solid-state Lithium Batteries
Journal: Energy Materials Organization: School of Materials, Xiamen University, IEST Instrument. Authors: Jie Zhu, Yunfan Wu, Hongyi Zhang, Xujia Xie, Yong Yang, Hongyu Peng, Xiaochun Liang, Qiongqiong Qi, Weibin Lin,...
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Tailoring Redox Couples of Li-Rich Mn-Based Cathode Materials by In-Situ Surface Reconstruction
Abstract Li-rich Mn-based cathodes deliver exceptional specific capacity because they combine cationic and anionic (lattice oxygen) redox activity. However, lattice-oxygen participation at high voltages generates unstable electronic holes and reactive O²⁻...
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Ultrafast Joule Heating Enables Doping-Induced Surface Restructuring in High Nickel Cathode Materials
Authors: Haoyu Wang (First Author), Jinyang Dong, Yuefeng Su, Lai Chen (Corresponding Authors) Affiliation: Beijing Institute of Technology Equipment Used: IEST PRCD3100 Powder Resistivity & Compaction Density Tester, SPFT-2000 Single Particle...
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CATL Launches the Bedrock Chassis Capable of Withstanding 120 km/h Impact Without Catching Fire Or Exploding
On December 24th, CATL officially launched the CATL Bedrock Chassis, the world’s first ultra-safe skateboard chassis. With its outstanding performance of withstanding 120 km/h frontal impact without catching fire or exploding, CATL’s...
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Evaluation of Electrolyte Wetting Performance At The Electrode Level – Anode Electrode With Different Compaction Densities
1. Abstract Electrolyte wetting is a critical process for lithium-ion cell performance: it controls ionic access to active material, influences rate capability and cycling, and affects initial manufacturing yield. This...
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