Electrode flexibility enhancement by coating: bare aluminum foil (12 μm) shows 1.1 cycles vs coated electrode (177 μm) at 1.9 cycles — a 66.7% improvement in folding resistance for cathode electrodes.

Quantifying Electrode Brittleness in Lithium-ion Battery Manufacturing: Why Automated Folding Fatigue Metrology Outperforms Manual Inspection

📅 2026/09/02 Electrode Characterization

Abstract Electrode brittleness testing evaluates the mechanical deformation tolerance of lithium-ion battery current collectors and composite coatings under cyclic bending strain, serving as the critical predictor for electrode edge cracking...

$Multi-scale lithium-ion battery failure mechanisms, linking active-material stability, binder interface behavior, mechanical stress, battery mechanical properties fracture, and external mechanical loading to cell failure.$

Battery Mechanical Properties: The Root Factor Governing Long-Cycle Life from Single Particles to Full Cells

📅 2026/08/31 Single Particle Mechanics In-Situ Cell Swelling Powder Resistivity & Compaction Density

Abstract Battery mechanical properties represent the fundamental physical factors governing lithium-ion battery degradation, cycle life stability, and operational safety. While electrochemical metrics such as specific capacity and ionic conductivity determine...

Powder resistivity and compressed-density curves for conductive carbon measured under increasing pressure, showing the coupled electrical and compaction response.

Conductive Additives for Li-ion Batteries: From Powder Resistivity to Battery Rate Capability

📅 2026/08/28 Electrode Characterization Battery Slurry Resistivity Powder Resistivity & Compaction Density

Abstract Conductive additives are essential components in lithium-ion battery electrodes, typically added at 1–3 wt% to establish electronic conduction networks. The selection and dispersion quality of conductive additives directly determine...

Battery application scenarios by IEST Instrument illustrating Electric Vehicles (EV) and Energy Storage Systems (ESS) where advanced multi-level battery characterization and testing solutions are implemented.

Power Battery vs. Energy Storage Battery Testing: A Comprehensive Comparison of Standards, Materials, and Methods

📅 2026/08/27 Industry News Electrode Characterization

Abstract Power battery vs. energy storage battery testing differs fundamentally in test objectives, charge/discharge protocols, temperature profiles, and cycle life requirements. Power batteries (EVs) are tested primarily for rate capability,...

Lithium-ion battery degradation mechanisms — capacity loss, internal resistance growth, and lithium inventory depletion — categorized for failure analysis of NCM/Si pouch cells.

Lithium Battery Failure Analysis: A 7-Dimensional Characterization Guide for Root Cause Identification

📅 2026/08/27 In-Situ Cell Swelling Electrode Characterization

Abstract Lithium battery failure analysis is a systematic, multi-scale diagnostic process that identifies the root causes of performance degradation — including capacity fade, impedance rise, and safety events — by...

Nickel-rich layered cathode research published in Advanced Powder Materials: IEST SPFT2000 Single Particle Force Tester by IEST Instrument measuring single-particle compressive strength (Force-Displacement curves) and micro-cracking behavior for SCNCM and Zr/B modified cathodes across 500 and 1000 cycles, citing IEST Instrument technical support.

Advanced Powder Materials: IEST SPFT Enable B/Zr Co‑Doping for Lattice Regulation and Internal Stress Relief in Ultra‑High‑Nickel Single‑Crystal Cathodes

📅 2026/08/25 Academic Application Single Particle Mechanics

Abstract B/Zr co-doping is a lattice-bulk regulation strategy for stabilizing ultra-high-nickel single-crystal cathodes by coordinating bulk lattice reinforcement with surface structural protection. Reported by Wei Shu, Zhou-Shuang Fan, An-Qiang Pan,...

Nature Energy paper on electronic conductivity of solid electrolytes causing physical self-discharge in all-solid-state batteries.

Nature Energy: Xueliang Sun’s Team Reveals Solid Electrolyte Electronic Conductivity as the Root Cause of Self-Discharge in ASSBs

📅 2026/08/24 Academic Application Solid Electrolyte Testing

Abstract Solid electrolyte electronic conductivity — long assumed negligible in all-solid-state battery (ASSB) design — is now revealed as a hidden driver of physical self-discharge. A team led by Academician...

Advanced Materials article header on single-crystal Ni-rich cathodes alongside IEST SPFT2000 single particle tester, paper Acknowledgements citing IEST support, and single particle force-displacement curves.

Advanced Materials: IEST SPFT2000 Quantitatively Stress-Chemical Coupling Drives Multi-Step Phase Transition Degradation in Single-Crystal Ultra-High-Nickel Cathodes

📅 2026/08/06 Academic Application Single Particle Mechanics

Abstract A research team from Central South University (Prof. Fan Xinming) and Xiamen University (Prof. Yang Yong) has published a landmark study in Advanced Materials (DOI: 10.1002/adma.73901) that fundamentally redefines...

Figure 1. SEM images of cathode particles under different SOCs

Crushing Strength Evolution of NCM Cathode Particles at Different SOC

📅 2026/08/05 Single Particle Mechanics

Abstract The effect of SOC on NCM cathode particle crushing strength is both dramatic and nonlinear: as the state of charge increases from 0% to 100%, the single-particle crushing strength...

Correlation Between Separator Ionic Conductivity and Battery Cycle Stability

📅 2026/08/04 Electrode Characterization

Abstract Separator ionic conductivity — a quantitative metric (mS cm⁻¹) describing lithium-ion transport through the electrolyte-filled separator — directly governs a cell’s internal impedance, rate capability, and long-term cycle stability....

Advanced Materials: Electrochemical Sintering Enables Stress-Lensed Silicon Anodes for Long-Life All-Solid-State Batteries Validated by IEST SPFT2000

📅 2026/07/28 Academic Application Single Particle Mechanics

Abstract B/Zr co-doping is a lattice-bulk regulation strategy for stabilizing ultra-high-nickel single-crystal cathodes by coordinating bulk lattice reinforcement with surface structural protection. The Advanced Powder Materials study investigates single-crystalline $LiNi_{0.92}Co_{0.04}Mn_{0.04}O_2$ (SNCM) and develops...

Powder Compression Test for Lithium-Ion Battery Electrode Powders: Heckel Equation and Elastic Recovery Analysis

Multi‑Level Mechanical Property Testing Series: Key Technical Analysis of Powder Compression Testing

📅 2026/07/27 Powder Resistivity & Compaction Density

Abstract A powder compression test is a mechanical characterization method that applies stepwise pressure to an electrode powder bed and records the resulting thickness change to separate reversible (elastic) deformation...

Application Article Center

Application Notes & Research Insights