As an effective electrical energy storage device, lithium-ion batteries have the advantages of high energy density, high specific power, high output voltage, low self-discharge, and long service life. They have…
Capacity decay and loss will occur during the cycle of lithium-ion batteries, in order to improve battery capacity and performance, scholars at home and abroad have fully studied the mechanism…
1. Author Information and Article Summary In 2022, Dr. Peipei Xu of Beijing University of Science and Technology developed a method to estimate the LiFePO4 SOC based on the expansion…
1. Author Information and Article Abstract In 2017, the J.R.Dahn research group used the in-situ characterization method to test the volume, stress and thickness changes of the electrodes for pouch…
1. Background This paper uses the cell pressure distribution system (BPD1000) to monitor the pressure distribution of different positions of the cell, so as to quickly quantify and evaluate the…
1. Author information and article abstract 2022, Yonghong Deng’s group at SUSTech, in collaboration with Prof. Zijian Zheng’s team at the Hong Kong Polytechnic University (first author: Chao Luo, a…
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 air pressure…
In this paper, the in-situ swelling analyzer (SWE) is used to test the swelling force and the temperature change of the LiFePO4 prismatic cells under different initial preload (60kg/90 kg/120…
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 density. Although the traditional…
1. Preface In recent years, lithium-ion batteries have been widely used in consumer electronics, electric vehicles, energy storage power stations and other fields due to their high specific capacity and…
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