Abstract Crushing strength is the compressive load an individual electrode particle can withstand before mechanical fracture, measured via single-particle compression testing and expressed relative to particle size per methods…
1. Article Information Article Name: Molten-salt-mediated crystal facet engineering for high-performance single crystal nickel-rich cathode materials in lithium-ion batteries Equipment used: IEST Single Particle Force Properties Test System(SPFT2000)…
Abstract Ni-rich layered oxides (NRLOs) are promising high-energy-density cathodes for lithium-ion batteries but suffer from capacity fade and interfacial instability due to chemical and mechanical degradation during cycling. While…
1. Introduction Chemical Vapor Deposition silicon(CVD/PECVD) has emerged as a key breakthrough in lithium-ion battery anode materials. Its development trajectory is closely tied to the choice of substrate,…
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…
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…
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…
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…
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…
1. Background 1.1 Correlation between single particle compressive strength and material/electrode/cell performance On the microscopic scale, electrodes consist of nano- or micrometer-sized particles. Therefore, the inherent particle properties…
1. Background Understanding the mechanical behavior of individual material particles is crucial for advancing lithium-ion battery technology. The Single Particles Force properties Tester (SPFT) from IEST is specifically…
1. Abstract Particle-level mechanical properties control how electrode powders densify and how the electrode microstructure evolves during rolling and calendering. This study links single-particle compressive strength to bulk…
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