Why Is the Open-Circuit Voltage of a Hand-Assembled Coin Cell Always Low? Six Root Causes
Abstract A low open-circuit voltage (OCV) in a freshly assembled lithium coin cell is a…
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Battery Resistance vs Internal Resistance vs Impedance: Which One Actually Limits Performance?
Abstract Battery internal resistance, resistance, and impedance are three related but distinct electrical parameters used…
Quantifying Electrode Brittleness in Lithium-ion Battery Manufacturing: Why Automated Folding Fatigue Metrology Outperforms Manual Inspection
Abstract Electrode brittleness testing evaluates the mechanical deformation tolerance of lithium-ion battery current collectors and…
Battery Mechanical Properties: The Root Factor Governing Long-Cycle Life from Single Particles to Full Cells
Abstract Battery mechanical properties represent the fundamental physical factors governing lithium-ion battery degradation, cycle life…
Conductive Additives for Li-ion Batteries: From Powder Resistivity to Battery Rate Capability
Abstract Conductive additives are essential components in lithium-ion battery electrodes, typically added at 1–3 wt%…
Power Battery vs. Energy Storage Battery Testing: A Comprehensive Comparison of Standards, Materials, and Methods
Abstract Power battery vs. energy storage battery testing differs fundamentally in test objectives, charge/discharge protocols,…
Lithium Battery Failure Analysis: A 7-Dimensional Characterization Guide for Root Cause Identification
Abstract Lithium battery failure analysis is a systematic, multi-scale diagnostic process that identifies the root…
Advanced Powder Materials: IEST SPFT Enable B/Zr Co‑Doping for Lattice Regulation and Internal Stress Relief in Ultra‑High‑Nickel Single‑Crystal Cathodes
Abstract B/Zr co-doping is a lattice-bulk regulation strategy for stabilizing ultra-high-nickel single-crystal cathodes by coordinating…
Nature Energy: Xueliang Sun’s Team Reveals Solid Electrolyte Electronic Conductivity as the Root Cause of Self-Discharge in ASSBs
Abstract Solid electrolyte electronic conductivity has received far less attention than ionic conductivity, but even…
Advanced Materials: IEST SPFT2000 Quantitatively Stress-Chemical Coupling Drives Multi-Step Phase Transition Degradation in Single-Crystal Ultra-High-Nickel Cathodes
Abstract A research team led by Prof. Fan Xinming at Central South University and Prof.…
