机构:
Technion Israel Inst Technol, Schulich Fac Chem & Nancy, IL-3200003 Haifa, Israel
Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program GTEP, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Diesendruck, Charles E.
[4
,5
]
Dekel, Dario R.
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program GTEP, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Dekel, Dario R.
[1
,5
]
机构:
[1] Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
anion-exchange membranes;
fuel cells;
water electrolyzers;
functional groups;
alkaline stability;
chemical degradation;
HIGH-PERFORMANCE;
FUEL-CELLS;
IMIDAZOLIUM CATIONS;
CHEMICAL-STABILITY;
W CM(-2);
WATER;
CONDUCTIVITY;
DEGRADATION;
D O I:
10.1021/acsaem.2c03689
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Recently, the development of durable anion-exchange membrane fuel cells (AEMFCs) has increased in intensity due to their potential to use low-cost, sustainable components. However, the decomposition of the quaternary ammonium (QA) cationic groups in the anion-exchange membranes (AEMs) during cell operation is still a major challenge. Many different QA types and functionalized polymers have been proposed that achieve high AEM stabilities in strongly alkaline aqueous solutions. We previously developed an ex situ technique to measure AEM alkaline stabilities in an environment that simulates the low-hydration conditions in an operating AEMFC. However, this method required the AEMs to be soluble in DMSO solvent, so decomposition could be monitored using 1H nuclear magnetic resonance (NMR). We now report the extension of this ex situ protocol to spectroscopically measure the alkaline stability of insoluble AEMs. The stability ofradiation-grafted (RG) poly(ethylene-co-tetrafluoroethylene)-(ETFE)-based poly(vinylbenzyltrimethylammonium) (ETFE-TMA) and poly(vinylbenzyltriethylammonium) (ETFE-TEA) AEMs were studied using Raman spectroscopy alongside changes in their true OH- conductivities and ion-exchange capacities (IEC). A crosslinked polymer made from poly(styrene-co-vinylbenzyl chloride) random copolymer and N,N,N ',N '-tetraethyl-1,3-propanediamine (TEPDA) was also studied. The results are consistent with our previous studies based on QA-type model small molecules and soluble poly(2,6-dimethylphenylene oxide) (PPO) polymers. Our work presents a reliable ex situ technique to measure the true alkaline stability of AEMs for fuel cells and water electrolyzers.
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Haj-Bsoul, Saja
Varcoe, John R.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Surrey, Dept Chem, Guildford GU2 7XH, Surrey, EnglandTechnion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Varcoe, John R.
Dekel, Dario R.
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program GTE, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
机构:
Techn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, IsraelTechn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
Aggarwal, Kanika
Bsoul, Saja
论文数: 0引用数: 0
h-index: 0
机构:
Techn Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Techn Israel Inst Technol, Nancy Stephen Grand Techn Energy Program GTEP, F-3200003 Nancy, FranceTechn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
Bsoul, Saja
Douglin, John C.
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Techn Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Techn Israel Inst Technol, Nancy Stephen Grand Techn Energy Program GTEP, F-3200003 Nancy, FranceTechn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
Douglin, John C.
Li, Songlin
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h-index: 0
机构:
Techn Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Techn Israel Inst Technol, Nancy Stephen Grand Techn Energy Program GTEP, F-3200003 Nancy, FranceTechn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
Li, Songlin
Dekel, Dario R.
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h-index: 0
机构:
Techn Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Techn Israel Inst Technol, Nancy Stephen Grand Techn Energy Program GTEP, F-3200003 Nancy, FranceTechn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
Dekel, Dario R.
Diesendruck, Charles E.
论文数: 0引用数: 0
h-index: 0
机构:
Techn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
Techn Israel Inst Technol, Nancy Stephen Grand Techn Energy Program GTEP, F-3200003 Nancy, FranceTechn Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
机构:
Technion Israel Inst Technol, Schulich Fac Chem, Haifa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, Haifa, Israel
Aggarwal, Kanika
Bsoul, Saja
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, Haifa, Israel
Bsoul, Saja
Li, Songlin
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, Haifa, Israel
Li, Songlin
Dekel, Dario R.
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel
Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, Haifa, Israel
Dekel, Dario R.
Diesendruck, Charles E.
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Schulich Fac Chem, Haifa, Israel
Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, Haifa, Israel
机构:
Technion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, Israel
Aggarwal, Kanika
Li, Songlin
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Hefa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, Israel
Li, Songlin
Nijem, Sally
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h-index: 0
机构:
Technion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, Israel
Nijem, Sally
Dekel, Dario R.
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Hefa, Israel
Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program GTEP, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, Israel
Dekel, Dario R.
Diesendruck, Charles E.
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, Israel
Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program GTEP, IL-3200003 Haifa, IsraelTechnion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Hefa, Israel
机构:
Ecole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, FranceEcole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, France
Couture, Guillaume
Alaaeddine, Ali
论文数: 0引用数: 0
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机构:
Ecole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, FranceEcole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, France
Alaaeddine, Ali
Boschet, Frederic
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, FranceEcole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, France
Boschet, Frederic
Ameduri, Bruno
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, FranceEcole Natl Super Chim Montpellier, CNRS, UMR 5253, Inst Charles Gerhardt, F-34296 Montpellier, France