中国物理B ›› 2022, Vol. 31 ›› Issue (11): 110704-110704.doi: 10.1088/1674-1056/ac98a3

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A single dual-mode gas sensor for early safety warning of Li-ion batteries: Micro-scale Li dendrite and electrolyte leakage

Wenjun Yan(闫文君)1,2,†, Zhishen Jin(金志燊)1, Zhengyang Lin(林政扬)1, Shiyu Zhou(周诗瑜)2, Yonghai Du(杜永海)1, Yulong Chen(陈宇龙)3,‡, and Houpan Zhou(周后盘)1   

  1. 1 School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China;
    2 Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China;
    3 Institute of Microelectronics, University of Macau, Avenida da Universidade, Taipa, Macau, China
  • 收稿日期:2022-08-17 修回日期:2022-09-29 接受日期:2022-10-10 出版日期:2022-10-17 发布日期:2022-11-03
  • 通讯作者: Wenjun Yan, Yulong Chen E-mail:yanwenjun@hdu.edu.cn;yulongchen@um.edu.mo
  • 基金资助:
    This research was supported by the Zhejiang Science and Technology Foundation (Grant No. LQ20F040006).

A single dual-mode gas sensor for early safety warning of Li-ion batteries: Micro-scale Li dendrite and electrolyte leakage

Wenjun Yan(闫文君)1,2,†, Zhishen Jin(金志燊)1, Zhengyang Lin(林政扬)1, Shiyu Zhou(周诗瑜)2, Yonghai Du(杜永海)1, Yulong Chen(陈宇龙)3,‡, and Houpan Zhou(周后盘)1   

  1. 1 School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China;
    2 Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China;
    3 Institute of Microelectronics, University of Macau, Avenida da Universidade, Taipa, Macau, China
  • Received:2022-08-17 Revised:2022-09-29 Accepted:2022-10-10 Online:2022-10-17 Published:2022-11-03
  • Contact: Wenjun Yan, Yulong Chen E-mail:yanwenjun@hdu.edu.cn;yulongchen@um.edu.mo
  • Supported by:
    This research was supported by the Zhejiang Science and Technology Foundation (Grant No. LQ20F040006).

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摘要： Li dendrites and electrolyte leakage are common causes of Li-ion battery failure. H2, generated by Li dendrites, and electrolyte vapors have been regarded as gas markers of the early safety warning of Li-ion batteries. SnO2-based gas sensors, widely used for a variety of applications, are promising for the early safety detection of Li-ion batteries, which are necessary and urgently required for the development of Li-ion battery systems. However, the traditional SnO2 sensor, with a single signal, cannot demonstrate intelligent multi-gas recognition. Here, a single dual-mode (direct and alternating current modes) SnO2 sensor demonstrates clear discrimination of electrolyte vapors and H2, released in different states of Li-ion batteries, together with principal component analysis (PCA) analysis. This work provides insight into the intelligent technology of single gas sensors.

关键词: gas sensors, single dual-mode, multivariable sensors, Li-batteries, early safety warning

Abstract: Li dendrites and electrolyte leakage are common causes of Li-ion battery failure. H2, generated by Li dendrites, and electrolyte vapors have been regarded as gas markers of the early safety warning of Li-ion batteries. SnO2-based gas sensors, widely used for a variety of applications, are promising for the early safety detection of Li-ion batteries, which are necessary and urgently required for the development of Li-ion battery systems. However, the traditional SnO2 sensor, with a single signal, cannot demonstrate intelligent multi-gas recognition. Here, a single dual-mode (direct and alternating current modes) SnO2 sensor demonstrates clear discrimination of electrolyte vapors and H2, released in different states of Li-ion batteries, together with principal component analysis (PCA) analysis. This work provides insight into the intelligent technology of single gas sensors.

Key words: gas sensors, single dual-mode, multivariable sensors, Li-batteries, early safety warning

中图分类号:  (Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)

  • 07.07.Df
85.30.-z (Semiconductor devices) 84.37.+q (Measurements in electric variables (including voltage, current, resistance, capacitance, inductance, impedance, and admittance, etc.)) 89.60.Ec (Environmental safety)