Abstract Battery SOH (State of Health) is a result indicator — it tells you how much capacity remains, but not why it declined or what failure mechanism dominates.…
Abstract Composite electrode uniformity in a sulfide all-solid-state battery can be evaluated by measuring how electrode resistance changes with thickness: in a well-dispersed electrode, resistivity is constant through…
Abstract Higher power output and better low-temperature performance in sodium-ion batteries depend heavily on porous electrode microstructure, not on active material chemistry alone. Sodium ions have a smaller…
Abstract High energy density and low expansion in anode-free lithium metal battery (AF-LMB) do not have to be mutually exclusive. A study from the Institute of Physics, Chinese…
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…
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…
Abstract Sodium-ion battery testing requires characterization at four levels: particle, powder, electrode, and cell. Limitations introduced at each level can ultimately affect cell performance and reliability. At the…
1. Introduction As the new energy market expands and application scenarios diversify, sodium‑ion batteries have attracted considerable attention due to the abundant sodium resources and low material cost.…
Abstract A PAA binder (poly(acrylic acid)) outperforms conventional CMC/SBR binder in silicon-carbon (Si/C) anode electrodes on two measurable, electrode-level properties: electrical conductivity and compression behavior. This study uses…
Abstract Electrode sheet resistance is a critical parameter that determines a cell’s internal resistance, rate capability, and performance uniformity — and in large-scale manufacturing, ambient humidity is a key…
1. Introduction: The Critical Role of Electrode Coating Uniformity Electrode foil surfaces — commonly referred to as the A-side (first coating) and B-side (second coating) — can differ…
Abstract LFP batteries subjected to combined high-temperature and deep-overdischarge stress exhibit an aging mechanism with three distinct stages — activation, linear decay, and accelerated decay — and the DCIR (DC internal resistance) growth…
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