1. Introduction Recently, research independently conducted by the team of Chuying Ouyang and Hansen Wang from CATL’s 21C Innovation Laboratory was published in the premier journal Nature Nanotechnology, titled “Application-driven design of non…
1. Author Information and Article Abstract In 2017, the J.R. Dahn research group investigated silicon anode pouch cells using in-situ characterization methods to measure volume, stress, and thickness changes of electrodes during cycling. By combinin…
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 produc…
1. Preface Among the many cathode materials, the high nickel material LiNixM1-xO2 (M = Mn, Co, Al, etc.) exhibits high energy density as well as good cycle life. However there is a decreasing trend in the market share of high nickel cathodes compare…
When the cell undergoes de-embedded lithium phase transition during the charging and discharging process, it will cause thickness swelling and volume swelling. This article uses the same test process to perform expansion tests on LFP/graphite batter…
1. Author Information and Article Summary In 2020, Jan-Patrick Schmiegel et al. installed a a gas sampling port (GSP) on the lithium-ion pouch cell, in-situ to realize the battery gas composition analysis of different charging times, different volt…
1. Introduction With the rapid development of the lithium-ion battery industry, silicon-based anode materials have gained attention due to their high theoretical specific capacity. Silicon-based slurry typically use deionized water as a solvent, wit…
Literature Appreciation: Entropy Surface Engineering Promotes The Stability Of Multi-electron Reactions Of Anions And Cations In Li-rich Layered Cathodes First Author: Jiayu Zhao Corresponding Authors: Yuefeng Su, Jinyang Dong, Lai Chen Affiliations…
1. Introduction Gas generation is an unavoidable phenomenon during the battery manufacturing process and its usage, occurring in various stages such as formation, cycling, overcharging, over-discharging, and storage. Different working conditions req…
In this paper, an IEST in-situ volume monitor (GVM) is used to carry out in-situ overcharge volume test under different charging rate conditions (0.5C) on lithium cobalt oxide/graphite batteries (theoretical capacity 1000mAh), and com…
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