Long Pang, Haoran Li, Xin Feng, Zhiwei Zhao*, Chuying Ouyang and Zhangquan Peng*,
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Operando Pulse Electrochemical Mass Spectrometry for Nondestructive and Long-Term Gas Analysis in Practical Lithium-Ion Pouch Batteries
Lithium-ion battery (LIB) technology is important for electric transportation and large-scale energy storage, where a gas-related parasitic reaction is one of the constraints. Consequently, developing a gas analysis method for mechanism analysis and safety warnings is of practical significance but often challenging. Here, an operando pulse electrochemical mass spectrometry (p-EC-MS) technique is reported, featuring a specialized electrochemical cell, a programmed pulse collection system, a carrier gas inlet system, a gas replenishment system, and a quantitative algorithm. As a proof of concept, both model experiment and practical LIB operation are examined, showcasing its capability for nondestructive and long-term gas analysis. Furthermore, secondary parasitic reactions resulting from gas consumption (e.g., gas cross-talk) in LIBs, a phenomenon rarely detected by traditional differential electrochemical mass spectrometry, have been observed. We believe that the p-EC-MS technique can provide fundamental insights into gas behavior and design strategies to enhance the safety and durability of practical LIBs.
ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment
CiteScore
31.20
自引率
5.00%
发文量
469
审稿时长
1 months
期刊介绍:
ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format.
ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology.
The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.