1. Intoduction Formation is a crucial step in battery manufacturing. During the formation process, the negative electrode first develops a solid electrolyte interphase (SEI), after which lithium ions traverse the SEI to intercalate into the negative electrode particles. Both of…
1. Abstract The expansion behavior of silicon-carbon cells is primarily attributed to the volumetric expansion of the silicon component. Excessive accumulation of irreversible expansion during cell cycling can lead to significant capacity degradation. Current industry strategies for enhancing the cycling…
1. Article Information Title: Rate-Dependent Failure Behavior Regulation of LiFePO4 Cathode via Functional Interface Engineering First Author: Rui Tang Corresponding Authors: Jinyang Dong*, Yuefeng Su*, Lai Chen* Affiliations: Beijing Institute of Technology; Beijing Institute of Technology Chongqing Innovation Center; China…
1. Introduction Recently, BYD’s “Megawatt Flash Charging” technology has attracted significant attention in the lithium battery field. Its “5-minute charge for 800-mile range” oil-electric equivalent technology is as strategic as a nuclear bomb. The “Megawatt Flash Charging” technology can boost…
1. Introduction: Conductive Additives—The “Invisible Bridge” in Lithium Batteries In lithium battery electrodes, conductive additives and binders are mixed to form a continuous carbon-binder domain (CBD), with active material particles embedded within this network. The CBD serves as the primary…
1. BYD‘s “Super e-Platform” Redefines EV Charging with 1,000 kW Power, Enabling 400 km Range in 5 Minutes. A game-changer for range anxiety and electric mobility Chinese EV manufacturer BYD has unveiled its groundbreaking “Super e-Platform,” marking a pivotal milestone…
From March 17th to 20th, 2025, the global energy industry witnessed its annual gathering – the 42nd International Battery Seminar & Exhibition successfully concluded at Loews Royal Pacific Resort in Orlando, Florida. As the most influential international platform in battery…
The accelerating adoption of electric vehicles (EVs) hinges on advancements in lithium-ion battery technology, with Tesla and BYD emerging as leaders through fundamentally distinct approaches. While Tesla relies on 4680 battery cells to maximize energy density and performance, BYD is…
1. Introduction In the rapidly evolving new energy sector, continuous development of novel materials necessitates comprehensive testing. Beyond routine physicochemical characterization (particle size, BET, XRD, SEM, etc.), preliminary electrochemical performance evaluation is critical for assessing materials and manufacturing processes. As…
1. Background This article outlines IEST’s solutions for performance evaluation of oxide-based solid-state electrolytes, leveraging our technical expertise. With the rapid development of the new energy vehicle industry, market demands for batteries have escalated, with high energy density and safety…
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