Letícia G. da Trindade, Letícia Zanchet, Josiane C. Souza, Antonio C. Roveda Jr, Robert Paiva, Tatiana Zanette, Katia Bernardo-Gusmão, Emilse M. A. Martini, Elson Longo, Edson A. Ticianelli
{"title":"用于 SPEEK 基质子交换膜的 MOFs 衍生介孔 ZrO2/C 和 ZnO/C 纳米复合材料","authors":"Letícia G. da Trindade, Letícia Zanchet, Josiane C. Souza, Antonio C. Roveda Jr, Robert Paiva, Tatiana Zanette, Katia Bernardo-Gusmão, Emilse M. A. Martini, Elson Longo, Edson A. Ticianelli","doi":"10.1007/s11581-024-05730-y","DOIUrl":null,"url":null,"abstract":"<div><p>The metal–organic framework (MOF) incorporation in sulfonated poly(ether ketone) (SPEEK) membranes improves the performance of proton exchange membrane fuel cells (PEMFC) that use this filler in the electrolyte. Mesoporous ZrO<sub>2</sub>/C and ZnO/C nanocomposites derived from the respective MOFs, Zr-BDC-MOF and Zn-BDC-MOF, were used as fillers in SPEEK to determine the influence of the metal (Zr or Zn) and ligand (terephthalic acid (BDC) or carbon (C)) on the proton conductivity and oxidative stability of proton exchange membranes (PEMs). At a temperature of 100 °C, the results show that adding 7 wt% of Zr-BDC-MOF to SPEEK resulted in 2.5-fold higher proton conductivity than pristine SPEEK. However, water uptake and oxidative stability studies reveal that this membrane loses its chemical stability. The data set shows that the inclusion of 7 wt% ZrO<sub>2</sub>/C to SZrC(7) membrane resulted in the best proton conductivity, ca. 2.2-fold higher than SPEEK at 100 °C, making it attractive for application in PEMFC at high temperatures. Our findings show that the influence of the metal used as a filler (Zr or Zn) is lower than that of the ligand (BDC or C) on the oxidative stability and proton conductivity of PEMFC.</p><h3>Graphical Abstract</h3>\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4000,"publicationDate":"2024-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Mesoporous ZrO2/C and ZnO/C nanocomposites derived from MOFs for SPEEK-based proton exchange membrane\",\"authors\":\"Letícia G. da Trindade, Letícia Zanchet, Josiane C. Souza, Antonio C. Roveda Jr, Robert Paiva, Tatiana Zanette, Katia Bernardo-Gusmão, Emilse M. A. Martini, Elson Longo, Edson A. Ticianelli\",\"doi\":\"10.1007/s11581-024-05730-y\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The metal–organic framework (MOF) incorporation in sulfonated poly(ether ketone) (SPEEK) membranes improves the performance of proton exchange membrane fuel cells (PEMFC) that use this filler in the electrolyte. Mesoporous ZrO<sub>2</sub>/C and ZnO/C nanocomposites derived from the respective MOFs, Zr-BDC-MOF and Zn-BDC-MOF, were used as fillers in SPEEK to determine the influence of the metal (Zr or Zn) and ligand (terephthalic acid (BDC) or carbon (C)) on the proton conductivity and oxidative stability of proton exchange membranes (PEMs). At a temperature of 100 °C, the results show that adding 7 wt% of Zr-BDC-MOF to SPEEK resulted in 2.5-fold higher proton conductivity than pristine SPEEK. However, water uptake and oxidative stability studies reveal that this membrane loses its chemical stability. The data set shows that the inclusion of 7 wt% ZrO<sub>2</sub>/C to SZrC(7) membrane resulted in the best proton conductivity, ca. 2.2-fold higher than SPEEK at 100 °C, making it attractive for application in PEMFC at high temperatures. Our findings show that the influence of the metal used as a filler (Zr or Zn) is lower than that of the ligand (BDC or C) on the oxidative stability and proton conductivity of PEMFC.</p><h3>Graphical Abstract</h3>\\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":599,\"journal\":{\"name\":\"Ionics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.4000,\"publicationDate\":\"2024-07-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Ionics\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11581-024-05730-y\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"CHEMISTRY, PHYSICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ionics","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s11581-024-05730-y","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
Mesoporous ZrO2/C and ZnO/C nanocomposites derived from MOFs for SPEEK-based proton exchange membrane
The metal–organic framework (MOF) incorporation in sulfonated poly(ether ketone) (SPEEK) membranes improves the performance of proton exchange membrane fuel cells (PEMFC) that use this filler in the electrolyte. Mesoporous ZrO2/C and ZnO/C nanocomposites derived from the respective MOFs, Zr-BDC-MOF and Zn-BDC-MOF, were used as fillers in SPEEK to determine the influence of the metal (Zr or Zn) and ligand (terephthalic acid (BDC) or carbon (C)) on the proton conductivity and oxidative stability of proton exchange membranes (PEMs). At a temperature of 100 °C, the results show that adding 7 wt% of Zr-BDC-MOF to SPEEK resulted in 2.5-fold higher proton conductivity than pristine SPEEK. However, water uptake and oxidative stability studies reveal that this membrane loses its chemical stability. The data set shows that the inclusion of 7 wt% ZrO2/C to SZrC(7) membrane resulted in the best proton conductivity, ca. 2.2-fold higher than SPEEK at 100 °C, making it attractive for application in PEMFC at high temperatures. Our findings show that the influence of the metal used as a filler (Zr or Zn) is lower than that of the ligand (BDC or C) on the oxidative stability and proton conductivity of PEMFC.
期刊介绍：
Ionics is publishing original results in the fields of science and technology of ionic motion. This includes theoretical, experimental and practical work on electrolytes, electrode, ionic/electronic interfaces, ionic transport aspects of corrosion, galvanic cells, e.g. for thermodynamic and kinetic studies, batteries, fuel cells, sensors and electrochromics. Fast solid ionic conductors are presently providing new opportunities in view of several advantages, in addition to conventional liquid electrolytes.
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