Abstract BYD Blade Battery 2.0 is the second-generation lithium iron phosphate (LFP) cell from BYD, released in March 2026 and entering widespread adoption in 2026 model-year vehicles including the refreshed BYD Dolphin and Sealion 06. Compared with the first-generation blade…
Abstract The Galvanostatic Intermittent Titration Technique (GITT) test is an electrochemical method that determines the lithium-ion diffusion coefficient ($D_{Li^{+}}$) of a battery electrode material by applying a short constant current pulse followed by a rest period and analyzing the resulting…
Abstract External pressure exerts a non-linear effect on battery cycle life in silicon-carbon anode cells: moderate compression reduces capacity fading by improving interfacial contact, while excessive pressure accelerates degradation by restricting Li+ transport pathways. In-situ swelling analysis using the IEST SWE2110 on LCO/silicon-carbon pouch cells across six pressure…
1. Preface This paper focuses on quantifying the extent of pressure damage to the material by using different pressures to flat-press silicon-based anode materials powders after calendering and making slurries, and monitoring their slurry gas production. Lithium-ion battery anode and…
1. Preface In this paper, IEST has tested the expansion behavior of sulfide solid-state battery during charging and discharging by using a Solid Electrolyte Test System(SEMS) and a In-Situ Silicon-Based Anode Swelling Rapid Screening System(RSS). Currently the performance of liquid batteries…
1. A Major European Investment: The Zaragoza LFP Battery Plant In a significant move for European electric vehicle production, Stellantis and Contemporary Amperex Technology Co., Limited (CATL) have officially announced a 50/50 joint venture. The partners will invest up to €4.1 billion…
1. Abstract Lithium plating (lithium dendrite formation) remains a principal failure mode in lithium-ion pouch cells, especially under fast charging, low temperature or when electrodes age. This article summarizes mechanisms of lithium plating, outlines nondestructive and destructive detection methods, and…
1. Research Background The current lithium-ion batteries have increasing range requirements, and it is crucial to develop anode materials with high specific capacity and high cycle stability. Silicon is the anode material with the highest theoretical specific capacity (4200 mAh/g),…
1. Introduction: A Practical Leap in Lithium-sulfur Battery Energy Density Australian battery innovator Li-S Energy has announced significant progress in lithium-sulfur batteries technology. The company reports that its latest full-sized pouch cells are approaching a critical benchmark of 500 Wh/kg, showcasing a…
Abstract Cell stiffness measurement in lithium-ion batteries splits into two distinct concepts: compression stiffness (also called compressive stiffness) — resistance to elastic deformation under externally applied static load — and expansion stiffness — resistance to dimensional change generated internally during lithium (de-)intercalation while cycling. Using an IEST…
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