Recent Advances in Battery Mechanism

A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Mechanisms and Fundamental Electrochemistry Aspects".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 5939

Special Issue Editor


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Guest Editor
Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
Interests: solid-state lithium batteries; novel cathode materials

Special Issue Information

Dear Colleagues,

Lithium-ion batteries (LIBs) have become the most popular and important energy storage devices for 3C electronics, electric vehicles and large-scale energy storage systems. Meanwhile, sodium-ion batteries (SIBs), solid-state lithium-ion batteries (SSLIBs) and other novel ion batteries are also attracting more and more attention as next-generation energy storage devices. To further improve performance and safety, it is quite important to understand the mechanisms in the batteries. The development of novel materials and advanced techniques also greatly promotes the exploration of the underlying mechanism. Therefore, this Special Issue is focused on mechanisms in batteries and characterization methods.

Potential topics include, but are not limited to, the following:

  • Failure analysis on LIBs and SIBs;
  • Property and evolution of interfaces in SSLIBs;
  • Design and development of novel materials for LIBs, SIBs and other novel ion batteries;
  • DFT and MD modeling on electrolyte and electrode materials;
  • Advanced experimental and theoretical characterization methods for battery analysis.

Dr. Shuai Li
Guest Editor

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Published Papers (1 paper)

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Research

14 pages, 3465 KiB  
Article
Thermal Runaway Early Warning and Risk Estimation Based on Gas Production Characteristics of Different Types of Lithium-Ion Batteries
by Yi Cui, Dong Shi, Zheng Wang, Lisha Mou, Mei Ou, Tianchi Fan, Shansong Bi, Xiaohua Zhang, Zhanglong Yu and Yanyan Fang
Batteries 2023, 9(9), 438; https://doi.org/10.3390/batteries9090438 - 28 Aug 2023
Cited by 18 | Viewed by 5437
Abstract
Gas production analysis during the thermal runaway (TR) process plays a crucial role in early fire accident detection in electric vehicles. To assess the TR behavior of lithium-ion batteries and perform early warning and risk estimation, gas production and analysis were conducted on [...] Read more.
Gas production analysis during the thermal runaway (TR) process plays a crucial role in early fire accident detection in electric vehicles. To assess the TR behavior of lithium-ion batteries and perform early warning and risk estimation, gas production and analysis were conducted on LiNixCoyMn1-x-yO2/graphite and LiFePO4/graphite cells under various trigger conditions. The findings indicate that the unique gas signals can provide TR warnings earlier than temperature, voltage, and pressure signals, with an advanced warning time ranging from 16 to 26 min. A new parameter called the thermal runaway degree (TRD) is introduced, which is the product of the molar quantity of gas production and the square root of the maximum temperature during the TR process. TRD is proposed to evaluate the severity of TR. The research reveals that TRD is influenced by the energy density of cells and the trigger conditions of TR. This parameter allows for a quantitative assessment of the safety risk associated with different battery types and the level of harm caused by various abuse conditions. Despite the uncertainties in the TR process, TRD demonstrates good repeatability (maximum relative deviation < 5%) and can be utilized as a characteristic parameter for risk estimation in lithium-ion batteries. Full article
(This article belongs to the Special Issue Recent Advances in Battery Mechanism)
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