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journal article·2024-03-01Open access

Thermal hazard evaluation and risk assessment of 1-allyl-3-methylimidazole nitrate ionic liquid

Jie Zhang, Demeng Qian, Han Zhang, Juncheng Jiang, Xu Zhang, Tao He, Jianye Wang, Shang-Hao Liu

AIP Advances· Volume 14· Issue 3
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Source abstract

Abstract

Imidazole ionic liquids (ILs) have broad application prospects in batteries and other fields. Researching the thermal decomposition features of ILs holds paramount importance for the application in battery electrolyte. 1-allyl-3-methylimidazole nitrate ionic liquid (IL) as a new functional IL, and its related thermal decomposition properties are unknown. In this paper, the thermal decomposition peculiarities of 1-allyl-3-methylimidazole nitrate IL were systematically analyzed by thermogravimetric analyzer, differential scanning calorimetry, and accelerating rate calorimeter techniques, and the relevant thermodynamic parameters and thermal decomposition models were derived. In addition, 1-allyl-3-methylimidazole nitrate IL possesses strong thermal runaway characteristics and the risk of thermal runaway is also evaluated. The main gaseous products formed by the pyrolysis of 1-allyl-3-methylimidazole nitrate IL was detected and analyzed by thermogravimetry-Fourier transform infrared spectroscopy and thermogravimetric-photoionization mass spectrometry techniques. The results showed that flammable gas, toxic gas, and asphyxiating gas are formed during the pyrolysis of 1-allyl-3-methylimidazole nitrate IL. This study lays a theoretical foundation for the safe application and the formulation of corresponding safety protection measures of 1-allyl-3-methylimidazole nitrate IL.
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Research context

Energy storage

OpenAlex topics: Thermal and Kinetic Analysis · Ionic liquids properties and applications · Energetic Materials and Combustion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of New Energy and Intelligent Connected Automobile, Anhui University of Science and Technology (AUST) 1 , Huainan 231001, Anhui, China

Provincial Engineering Research Center for New Energy Vehicle Intelligent Control and Simulation Test Technology of Sichuan 2 , Chengdu 610039, Sichuan, China

Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology 3 , Liuzhou 545616, Guangxi, China

College of Safety Science and Engineering, Nanjing Tech University 4 , Nanjing 211816, Jiangsu, China

Shanxi Automobile Huainan Special Purpose Vehicle Co., Ltd. 5 , Huainan 231001, Anhui, China

Department of Chemical and Materials Engineering, National Yunlin University Science and Technology 6 , Yunlin 64002, Taiwan

Funding

University Natural Science Research Project of Anhui Province · National Natural Science Foundation of China · Project of Anhui Intelligent Mine Technology and Equipment Engineering Laboratory · Scientific Research Foundation for High level Talents of AUST · The Research Foundation of Provincial Engineering Research Center for New Energy Vehicle Intelligent Control and Simulation Test Technology of Sichuan · Open Project of Guangxi Key Laboratory of Automobile Components and Vehicle Technology

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