scholarly journals Alkaline Stability of Pure Aliphatic-based Anion Exchange Membranes Containing Cycloaliphatic Quaternary Ammonium Cations

2020 ◽  
Vol 167 (12) ◽  
pp. 124504
Author(s):  
Zhongyang Wang ◽  
Javier Parrondo ◽  
Shrihari Sankarasubramanian ◽  
Kaustava Bhattacharyya ◽  
Manasi Ghosh ◽  
...  
Keyword(s):  
Anion Exchange ◽  
Quaternary Ammonium ◽  
Anion Exchange Membranes ◽  
Quaternary Ammonium Cations ◽  
Alkaline Stability

scholarly journals Rational molecular design of anion exchange membranes functionalized with alicyclic quaternary ammonium cations

2020 ◽  
Vol 11 (43) ◽  
pp. 6953-6963
Author(s):  
Thanh Huong Pham ◽  
Andrit Allushi ◽  
Joel S. Olsson ◽  
Patric Jannasch
Keyword(s):  
Anion Exchange ◽  
Quaternary Ammonium ◽  
Molecular Design ◽  
Polymer Membranes ◽  
Anion Exchange Membranes ◽  
Quaternary Ammonium Cations ◽  
Alkaline Stability ◽  
Rational Molecular Design

Piperidine-based cations tethered to ether-free polymer membranes via the 4-position instead of the conventional 1(N)-position show significantly improved thermal and alkaline stability while retaining high hydroxide conductivity.

Development of a high-performance anion exchange membrane using poly(isatin biphenylene) with flexible heterocyclic quaternary ammonium cations for alkaline fuel cells

2019 ◽  
Vol 7 (12) ◽  
pp. 6883-6893 ◽  
Author(s):  
Shuai Zhang ◽  
Xiuling Zhu ◽  
Cuihong Jin
Keyword(s):  
Fuel Cells ◽  
Anion Exchange ◽  
Quaternary Ammonium ◽  
High Performance ◽  
Anion Exchange Membrane ◽  
Anion Exchange Membranes ◽  
Aryl Ether ◽  
Alkaline Fuel Cells ◽  
Quaternary Ammonium Cations ◽  
Exchange Membrane

A series of quaternary ammonium-tethered poly(isatin biphenylene)s (PIBs) were prepared devoid of alkaline labile aryl ether bonds via superacid-catalyzed polymerization and explored as highly alkaline stable backbones of anion exchange membranes (AEMs).

scholarly journals Poly(phenylene oxide) functionalized with quaternary ammonium groups via flexible alkyl spacers for high-performance anion exchange membranes

2015 ◽  
Vol 3 (10) ◽  
pp. 5280-5284 ◽  
Author(s):  
Hai-Son Dang ◽  
Eva Annika Weiber ◽  
Patric Jannasch
Keyword(s):  
Anion Exchange ◽  
Quaternary Ammonium ◽  
High Performance ◽  
Ion Conductivity ◽  
Side Chains ◽  
Anion Exchange Membranes ◽  
Hydroxide Ion ◽  
Alkaline Stability ◽  
Phenylene Oxide ◽  
Alkyl Side Chains

Hydroxide ion conductivity and alkaline stability of anion exchange membranes were dramatically improved by placing quaternary ammonium groups on long alkyl side chains.

scholarly journals Anion exchange membranes containing no β-hydrogen atoms on ammonium groups: synthesis, properties, and alkaline stability

RSC Advances ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 1030-1038
Author(s):  
Daniel Koronka ◽  
Kenji Miyatake
Keyword(s):  
Anion Exchange ◽  
Quaternary Ammonium ◽  
Anion Exchange Membranes ◽  
Hydrogen Atoms ◽  
Alkaline Stability ◽  
Synthesis Properties ◽  
Harsh Conditions

A novel hydrophilic structure with no β-hydrogen atoms on the quaternary ammonium functionality has been developed for anion exchange membranes. The membranes featured high hydroxide conductivity and alkaline stability under harsh conditions.

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