1. Preface Lithium-ion battery is an electric-heat-force coupling system, which has swelling problems in the actual use process. On the one hand, the SEI film is formed, and the a…
1. Abstract This prismatic case study uses an in-situ swelling analyzer (SWE2110) to quantify swelling force and surface temperature of LiFePO4/graphite prismatic cells (40 Ah) un…
1. Preface With the continuous improvement of the endurance requirements of new energy vehicles, battery anode materials are also developing in the direction of high energy densit…
1. Abstract This study uses electrochemical impedance spectroscopy (EIS testing) to evaluate how external module pressure and state-of-charge (SOC) influence the impedance of LCO/…
1. Preface The in-situ swelling analyzer (SWE) launched by IEST has constant pressure and constant gap test modes, which can monitor the thickness evolution of the cell under cons…
1. Preface In this paper, the in-situ swelling analyzer (SWE) is used to test the thickness of NCM cell(523/graphite cells): theoretical capacity 2400mAh under different constant …
1. Preface As new energy vehicles demand longer driving range and longer service life, automakers pursue higher volumetric energy density and smarter pack integration. One industr…
1. Preface For lithium-ion batteries encapsulated with aluminum-plastic film or steel shell, due to the limitation of external space, the volume swelling during charging and disch…
1. Preface With the rapid advancement of the new energy sector, lithium-ion batteries are now extensively used in electric vehicles (EVs). As a result, the safety performance of t…
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