Isoconversional kinetic analysis of thermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate under inert nitrogen and oxidative air atmospheres
Non-isothermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim]PF 6 ) in inert nitrogen and air atmospheres was investigated by means of multiple heating-rate thermogravimetric analysis. The results obtained under the heating rates of 5–20 K min −1 show that the [bmim]PF 6 py...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2020-04, Vol.140 (2), p.695-712 |
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| container_title | Journal of thermal analysis and calorimetry |
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| creator | Huang, Zhen Wang, Xiao-jie Lu, Tao Nong, Dan-dan Gao, Xin-yang Zhao, Jun-xu Wei, Meng-yu Teng, Li-jun |
| description | Non-isothermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim]PF
6
) in inert nitrogen and air atmospheres was investigated by means of multiple heating-rate thermogravimetric analysis. The results obtained under the heating rates of 5–20 K min
−1
show that the [bmim]PF
6
pyrolysis mainly occurred from 600 to 800 K and its oxidative thermal decomposition mainly from 550 to 750 K. Kinetic thermal decomposition processes have been analyzed with differential Friedman method and three integral Flynn–Wall–Ozawa, Coats–Redfern and Vyazovkin–Dollimore methods. Through these model-free isoconversional methods, the activation energy and pre-exponential factor over the entire conversion range have been successfully estimated. By using the Coats–Redfern method, the diffusion-controlled D5 model is found to be the best reaction mechanism function for describing two-stage pyrolysis and one-stage oxidative thermal decomposition and leads to very satisfactory calculation performances. The short-term stability and long-term thermal stability are discussed as well. |
| doi_str_mv | 10.1007/s10973-019-08845-x |
| format | Article |
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6
) in inert nitrogen and air atmospheres was investigated by means of multiple heating-rate thermogravimetric analysis. The results obtained under the heating rates of 5–20 K min
−1
show that the [bmim]PF
6
pyrolysis mainly occurred from 600 to 800 K and its oxidative thermal decomposition mainly from 550 to 750 K. Kinetic thermal decomposition processes have been analyzed with differential Friedman method and three integral Flynn–Wall–Ozawa, Coats–Redfern and Vyazovkin–Dollimore methods. Through these model-free isoconversional methods, the activation energy and pre-exponential factor over the entire conversion range have been successfully estimated. By using the Coats–Redfern method, the diffusion-controlled D5 model is found to be the best reaction mechanism function for describing two-stage pyrolysis and one-stage oxidative thermal decomposition and leads to very satisfactory calculation performances. The short-term stability and long-term thermal stability are discussed as well.</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>DOI: 10.1007/s10973-019-08845-x</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Activation energy ; Analysis ; Analytical Chemistry ; Atmospheres ; Chemistry ; Chemistry and Materials Science ; Decomposition ; Differential thermal analysis ; Fluorides ; Heating ; Inorganic Chemistry ; Measurement Science and Instrumentation ; Physical Chemistry ; Polymer Sciences ; Pyrolysis ; Reaction mechanisms ; Thermal decomposition ; Thermal stability ; Thermogravimetric analysis</subject><ispartof>Journal of thermal analysis and calorimetry, 2020-04, Vol.140 (2), p.695-712</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2019</rights><rights>COPYRIGHT 2020 Springer</rights><rights>2019© Akadémiai Kiadó, Budapest, Hungary 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-3655fca875a388d1e9e280126cd6ee49ccbff04ba4ecf55f693535bd03a092863</citedby><cites>FETCH-LOGICAL-c429t-3655fca875a388d1e9e280126cd6ee49ccbff04ba4ecf55f693535bd03a092863</cites><orcidid>0000-0002-3920-4882</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-019-08845-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-019-08845-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Huang, Zhen</creatorcontrib><creatorcontrib>Wang, Xiao-jie</creatorcontrib><creatorcontrib>Lu, Tao</creatorcontrib><creatorcontrib>Nong, Dan-dan</creatorcontrib><creatorcontrib>Gao, Xin-yang</creatorcontrib><creatorcontrib>Zhao, Jun-xu</creatorcontrib><creatorcontrib>Wei, Meng-yu</creatorcontrib><creatorcontrib>Teng, Li-jun</creatorcontrib><title>Isoconversional kinetic analysis of thermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate under inert nitrogen and oxidative air atmospheres</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>Non-isothermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim]PF
6
) in inert nitrogen and air atmospheres was investigated by means of multiple heating-rate thermogravimetric analysis. The results obtained under the heating rates of 5–20 K min
−1
show that the [bmim]PF
6
pyrolysis mainly occurred from 600 to 800 K and its oxidative thermal decomposition mainly from 550 to 750 K. Kinetic thermal decomposition processes have been analyzed with differential Friedman method and three integral Flynn–Wall–Ozawa, Coats–Redfern and Vyazovkin–Dollimore methods. Through these model-free isoconversional methods, the activation energy and pre-exponential factor over the entire conversion range have been successfully estimated. By using the Coats–Redfern method, the diffusion-controlled D5 model is found to be the best reaction mechanism function for describing two-stage pyrolysis and one-stage oxidative thermal decomposition and leads to very satisfactory calculation performances. The short-term stability and long-term thermal stability are discussed as well.</description><subject>Activation energy</subject><subject>Analysis</subject><subject>Analytical Chemistry</subject><subject>Atmospheres</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Decomposition</subject><subject>Differential thermal analysis</subject><subject>Fluorides</subject><subject>Heating</subject><subject>Inorganic Chemistry</subject><subject>Measurement Science and Instrumentation</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Pyrolysis</subject><subject>Reaction mechanisms</subject><subject>Thermal decomposition</subject><subject>Thermal stability</subject><subject>Thermogravimetric analysis</subject><issn>1388-6150</issn><issn>1588-2926</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kc9u1DAQxiMEEqXwApwsceLgYseJ1z5WFZSVKiHx52x5nfHGJYmD7VRZXoZXZZYgoV6QDx57ft-MPV9VvebsijO2e5c50ztBGdeUKdW0dH1SXfBWKVrrWj7FWGAsecueVy9yvmeMac34RfVrn6OL0wOkHOJkB_I9TFCCIxYPpxwyiZ6UHtKIuQ5cHOeYQ0H2nOD0sJTTQAUdofSnIYyhsz_jEJaR9LBaPywxxbmPee5tAbJMHSSCHVIhUygpHmHCTh2JKwpLeABiQyK2jGcFJMgvq2feDhle_d0vq28f3n-9-UjvPt3ub67vqGtqXaiQbeudVbvW4kc7DhpqxXgtXScBGu3cwXvWHGwDziMqtWhFe-iYsEzXSorL6s1Wd07xxwK5mPu4JJxBNrVQom1qLhhSVxt1tAOYMPlYknW4OhgDjhF8wPtryZXUOyYVCt4-EiBTYC1Hu-Rs9l8-P2brjXUp5pzAmzmF0aaT4cycXTabywZdNn9cNiuKxCbKCE9HSP_e_R_Vb3T1r3o</recordid><startdate>20200401</startdate><enddate>20200401</enddate><creator>Huang, Zhen</creator><creator>Wang, Xiao-jie</creator><creator>Lu, Tao</creator><creator>Nong, Dan-dan</creator><creator>Gao, Xin-yang</creator><creator>Zhao, Jun-xu</creator><creator>Wei, Meng-yu</creator><creator>Teng, Li-jun</creator><general>Springer International Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><orcidid>https://orcid.org/0000-0002-3920-4882</orcidid></search><sort><creationdate>20200401</creationdate><title>Isoconversional kinetic analysis of thermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate under inert nitrogen and oxidative air atmospheres</title><author>Huang, Zhen ; Wang, Xiao-jie ; Lu, Tao ; Nong, Dan-dan ; Gao, Xin-yang ; Zhao, Jun-xu ; Wei, Meng-yu ; Teng, Li-jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-3655fca875a388d1e9e280126cd6ee49ccbff04ba4ecf55f693535bd03a092863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Activation energy</topic><topic>Analysis</topic><topic>Analytical Chemistry</topic><topic>Atmospheres</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Decomposition</topic><topic>Differential thermal analysis</topic><topic>Fluorides</topic><topic>Heating</topic><topic>Inorganic Chemistry</topic><topic>Measurement Science and Instrumentation</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Pyrolysis</topic><topic>Reaction mechanisms</topic><topic>Thermal decomposition</topic><topic>Thermal stability</topic><topic>Thermogravimetric analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Zhen</creatorcontrib><creatorcontrib>Wang, Xiao-jie</creatorcontrib><creatorcontrib>Lu, Tao</creatorcontrib><creatorcontrib>Nong, Dan-dan</creatorcontrib><creatorcontrib>Gao, Xin-yang</creatorcontrib><creatorcontrib>Zhao, Jun-xu</creatorcontrib><creatorcontrib>Wei, Meng-yu</creatorcontrib><creatorcontrib>Teng, Li-jun</creatorcontrib><collection>CrossRef</collection><collection>Gale In Context: Science</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Zhen</au><au>Wang, Xiao-jie</au><au>Lu, Tao</au><au>Nong, Dan-dan</au><au>Gao, Xin-yang</au><au>Zhao, Jun-xu</au><au>Wei, Meng-yu</au><au>Teng, Li-jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Isoconversional kinetic analysis of thermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate under inert nitrogen and oxidative air atmospheres</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2020-04-01</date><risdate>2020</risdate><volume>140</volume><issue>2</issue><spage>695</spage><epage>712</epage><pages>695-712</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><abstract>Non-isothermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim]PF
6
) in inert nitrogen and air atmospheres was investigated by means of multiple heating-rate thermogravimetric analysis. The results obtained under the heating rates of 5–20 K min
−1
show that the [bmim]PF
6
pyrolysis mainly occurred from 600 to 800 K and its oxidative thermal decomposition mainly from 550 to 750 K. Kinetic thermal decomposition processes have been analyzed with differential Friedman method and three integral Flynn–Wall–Ozawa, Coats–Redfern and Vyazovkin–Dollimore methods. Through these model-free isoconversional methods, the activation energy and pre-exponential factor over the entire conversion range have been successfully estimated. By using the Coats–Redfern method, the diffusion-controlled D5 model is found to be the best reaction mechanism function for describing two-stage pyrolysis and one-stage oxidative thermal decomposition and leads to very satisfactory calculation performances. The short-term stability and long-term thermal stability are discussed as well.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10973-019-08845-x</doi><tpages>18</tpages><orcidid>https://orcid.org/0000-0002-3920-4882</orcidid></addata></record> |
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| subjects | Activation energy Analysis Analytical Chemistry Atmospheres Chemistry Chemistry and Materials Science Decomposition Differential thermal analysis Fluorides Heating Inorganic Chemistry Measurement Science and Instrumentation Physical Chemistry Polymer Sciences Pyrolysis Reaction mechanisms Thermal decomposition Thermal stability Thermogravimetric analysis |
| title | Isoconversional kinetic analysis of thermal decomposition of 1-butyl-3-methylimidazolium hexafluorophosphate under inert nitrogen and oxidative air atmospheres |
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