Abstract Direct Current Resistance (DCR), also referred to as DCIR (Direct Current Internal Resistance), is a core metric that quantifies a lithium-ion battery’s total internal resistance under DC load,…
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. Abstract This article presents a faster, more efficient method for screening low temperature electrolyte candidates. By measuring the separator ionic conductivity with different electrolytes across a temperature…
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…
1. Introduction In lithium-ion battery production, controlling electrode moisture is critical, typically managed through parameters like temperature and time during drying to minimize its impact on performance. However,…
1. Background As one of the most important electrochemical energy storage devices today, the performance enhancement of lithium-ion batteries has always attracted significant attention. Traditional research often focuses…
Abstract Electrode tortuosity quantifies the geometric complexity of ion transport pathways within a battery electrode’s pore network—defined as the ratio of the actual lithium-ion migration distance through the pores…
Abstract Separator ionic conductivity increases as temperature rises, primarily because higher temperature lowers electrolyte viscosity and accelerates lithium-ion migration through the ionic separator’s porous structure. Testing on Separator…
1. Background Electrode flexibility can be categorized into recoverability (the ability to bend repeatedly) and bendability (the ability to bend once without fracturing). Electrode recoverability specifically focuses on…
1. Abstract An engineering review of how electrode active material, conductive additives, binders and current collectors determine electrode flexibility 2. Introduction Lithium-ion batteries are essential for modern energy…
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