In-Situ Cell Swelling Case

Non-destructible Lithium Deposition of Li-ion Pouch Cells-Rate Window

The wide application of lithium-ion batteries, end customers also put forward higher and higher requirements for the fast charging performance of lithium-ion batteries. But blindly improve the fast charging performance…

Pouch Cells In-situ Characterization of Expansion Force Distribution

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…

Analysis the Relationship Between Capacity Decay And Thickness Swelling During The Long-cycle Process Of NCM Cells

Capacity decay and loss will occur during the cycle of lithium-ion batteries, in order to improve battery capacity and performance, scholars at domestic and international have fully studied the mechanism…

A Method for Estimating the LiFePO4 SOC By Using the Expansion Force

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…

Volume, Pressure and Thickness Evolution of Li-Ion Pouch Cells with Silicon-Composite Negative Electrodes

In-situ Testing of Volume-Stress-Thickness Variation of Different Silicon Anodes in Pouch Cells

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…

Pressure Distribution System Rapidly Characterizes Initial Cell Flatness

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…

Roll‐To‐Roll Fabrication of Zero‐Volume‐Expansion Lithium‐Composite Anodes to Realize High‐Energy‐Density Flexible and Stable Lithium‐Metal Batteries

Lithium Metal Batteries With Zero Volume Expansion Composite Anode For High Energy Density and Stability

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…

Influence of Buffer Foam on the Swelling Thickness and Swelling Force of the Cell Charge and Discharge Process

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…

LiFePO4 Prismatic Cells’ In-situ Swelling and Temperature Change Analysis

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…

Analysis Silicon-carbon System Cells’ Cyclic Expansion and Capacity Decay

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…