IEST PRCD3100 powder resistivity measurement system and powder density tester setup, featuring the main testing host, customized testing jigs, pre-vibration meter, and demoulding meter for advanced battery material analysis.

How to Accelerate Battery R&D and Quality Control with Powder Resistivity and Compaction Density Measurement

📅 2026/06/22 Powder Resistivity & Compaction Density

Abstract Powder resistivity measurement systems and powder compaction density testers (collectively referred to as Powder Resistivity and Compaction Density, PRCD systems) characterize the electrical conductivity, compaction behavior, and mechanical deformation...

$Crushing force comparison for two silicon-carbon materials SC1 and SC2, two hard carbon materials HC1 and HC2, and one resin carbon RC at different particle sizes measured by IEST SPFT2000 single particle testing system — bar chart showing crushing force (mN or N) for 4.5µm and 8.5µm particles of SC1, SC2, HC1, HC2 and 8.5µm and 15µm particles of RC, demonstrating that crushing force increases with particle size for all three anode material types because larger cross-sectional area and volume require greater external force to fracture$

Correlation Between Particle Size and Mechanical Properties of Silicon-Carbon Anode Materials

📅 2026/06/22 Single Particle Mechanics

Abstract Anode particle size and crushing strength are inversely correlated: smaller particles consistently achieve higher crushing strength (MPa, resistance per unit area) while larger particles generate higher absolute crushing force...

IEST Instrument Connecting with world-class university professors at IMLB 2026 (2)

IMLB 2026 | IEST Instruments Advances Battery R&D Innovation in Montreal, Canada

📅 2026/06/18 Company News

MONTREAL, CANADA — The 23rd International Meeting on Lithium Batteries (IMLB 2026) stands as a premier international conference in the lithium battery field, focusing on cutting-edge scientific research, industrial implementation,...

Powder resistivity and compaction density measurement comparison for multiple hard carbon anode materials forsodium-ion batteries using PRCD series - showing pressure-dependent resistivity curves and compaction densitycurves for different hard carbon samples, enabling differentiation of material quality and carbonization uniformity between batches and suppliers

Multi-Level Sodium-Ion Battery Testing: A Systematic Characterization Framework From Particle to Battery Cell

📅 2026/06/16 Electrode Characterization Powder Resistivity & Compaction Density Single Particle Mechanics

Abstract Sodium-ion battery testing requires a multi-level characterization approach covering four hierarchical scales — particle, powder, electrode, and cell — because sodium-ion battery performance limitations originate at each level and...

Leakage current comparison for 100Ah prismatic power battery at 20% SOC versus 100% sOC under 40°C constant voltage hold for 65 hours: (a) full leakage curent decay curves showing stabilized leakage current LC=553uAat 20%SOC and LC=1287uA at 100% SOC; (b) voltage magnified inset showing pV-level voltage stability under constant voltage control

How to Accurately Measure Lithium-Ion Battery Self-Discharge: Leakage Current Method and the Effects of SOC and Temperature

📅 2026/06/15 Electrochemical Performance Analysis

Abstract Battery self-discharge is the spontaneous capacity and voltage loss of a lithium-ion battery under open-circuit conditions — a critical performance parameter for cell quality, consistency screening, and long-term storage reliability....

IEST Instruments Showcases Advanced Battery Testing and Automation Solutions at The Battery Show Europe 2026 in Stuttgart-2

The Battery Show Europe 2026 | IEST Instruments Showcases Advanced Battery Testing and Automation Solutions in Stuttgart

📅 2026/06/11 Company News

IEST Instruments, a leading provider of intelligent lithium battery testing equipment and laboratory automation solutions, is making a powerful impact at The Battery Show Europe 2026. Held from June 9...

Composite image showing the Nano Materials Science journal article header titled "Pressurized vs. unpressurized LiFePO4 batteries" by Wang, Yan et al., the acknowledgments section thanking IEST Instrument (Initial Energy Science & Technology Co., Ltd) for support, a schematic diagram of the powder resistivity and compaction density measurement setup, and a product photo of the IEST PRCD3100 system

Nano Materials Science: Mechanical Pressure Regulates Interfacial Stability in LFP/Graphite Batteries— Characterized with IEST PRCD3100

📅 2026/06/08 Academic Application Powder Resistivity & Compaction Density

Abstract A recent study published in Nano Materials Science by researchers at Beijing Institute of Technology systematically investigated how external mechanical pressure influences interfacial stability and failure mechanisms in LFP/graphite...

IEST Instrument and Nanoyang at Tianjin University Establish Joint Laboratory for Advanced Battery Research

📅 2026/06/05 Company News

Abstract Tianjin, March 23, 2026 — The Nanoyang research group at Tianjin University and IEST Instrument (Xiamen) jointly announced the official launch of their Joint Laboratory at a ceremony held on the Tianjin University campus. The event brought together...

Decoupled true cell swelling thickness versus charge-discharge cycle time, recovered by mechanical decoupling fromcombined cell-foam Constant Gap force data and buffer foam stress strain curve: showing actual cell expansion andcontraction during each charge/discharge cycle without the confounding influence of buffer foam mechanical coupling

Mechanical Decoupling of Battery Cell Swelling Under Real-World Buffer Foam Conditions

📅 2026/06/04 In-Situ Cell Swelling

Abstract Battery cell swelling — the volumetric expansion of lithium-ion cells during charge and discharge from lithium-ion intercalation, gas evolution, and temperature changes — is directly coupled to the mechanical...

Nyquist plot showing apparent single semicircle that is actually composed of multiple overlapping semicircles, alongside the corresponding Equivalent Circuit Model (ECM) fit and the Distribution of Relaxation Times (DRT) spectrum that resolves each process into a distinct peak - illustrating the Nyquist-ECM-DRT relationship

Distribution of Relaxation Times (DRT) Analysis: High-Resolution Deconvolution of Overlapping Electrochemical Processes in EIS

📅 2026/06/03 Electrochemical Performance Analysis

Abstract Distribution of Relaxation Times (DRT) analysis is a mathematical deconvolution technique that converts electrochemical impedance spectroscopy (EIS) data from the frequency domain into a time-domain distribution function $\gamma(\tau)$— separating...

Quantifying Longitudinal Binder Distribution in Battery Electrodes: High-Precision Layer Profiling via Automated Electrode Powder Scraping System

📅 2026/05/29 Electrode Characterization

Abstract Longitudinal binder migration during the drying process creates compositional stratification that directly impacts the electrochemical performance, adhesion strength, and cycle life of lithium-ion batteries. Traditional manual scraping methods lack...

Schematic showing three electrode uniformity testing approaches — lateral electronic resistance mapping, lateral ionic resistance measurement, and through-thickness thermogravimetric binder distribution analysis.

Electrode Characterization in Lithium Batteries: How to Quantify Electrode Performance Across Uniformity, Wettability, and Mechanical Properties

📅 2026/05/08 Electrode Characterization

1. What Is Electrode Characterization and Why Does It Matter? Electrode characterization in lithium-ion batteries refers to the systematic, quantitative evaluation of an electrode sheet’s electrical conductivity distribution, electrolyte wettability,...

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