scholarly journals Poly(fluorene alkylene) Anion Exchange Membranes with Pendant Spirocyclic and Bis-Spirocyclic Quaternary Ammonium Cations

2021 ◽  
Author(s):  
Dong Pan ◽  
Joel S. Olsson ◽  
Patric Jannasch
Keyword(s):  
Anion Exchange ◽  
Quaternary Ammonium ◽  
Anion Exchange Membranes ◽  
Quaternary Ammonium Cations

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 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.

Spirocyclic quaternary ammonium cations for alkaline anion exchange membrane applications: an experimental and theoretical study

RSC Advances ◽  
2016 ◽  
Vol 6 (97) ◽  
pp. 94387-94398 ◽  
Author(s):  
Liang Gu ◽  
Huilong Dong ◽  
Zhe Sun ◽  
Youyong Li ◽  
Feng Yan
Keyword(s):  
Theoretical Analysis ◽  
Anion Exchange ◽  
Quaternary Ammonium ◽  
Theoretical Study ◽  
Anion Exchange Membrane ◽  
Ammonium Cation ◽  
Anion Exchange Membranes ◽  
Quaternary Ammonium Cations ◽  
Exchange Membrane

Spirocyclic quaternary ammonium cation based alkaline anion exchange membranes were synthesized and studied by both experimental and theoretical analysis.

scholarly journals Poly(arylene alkylene)s with pendant N-spirocyclic quaternary ammonium cations for anion exchange membranes

2018 ◽  
Vol 6 (34) ◽  
pp. 16537-16547 ◽  
Author(s):  
Thanh Huong Pham ◽  
Joel S. Olsson ◽  
Patric Jannasch
Keyword(s):  
Fuel Cell ◽  
Anion Exchange ◽  
Quaternary Ammonium ◽  
Cell Membranes ◽  
Anion Exchange Membranes ◽  
Hydroxide Ion ◽  
Fuel Cell Membranes ◽  
Quaternary Ammonium Cations ◽  
Aromatic Polymers ◽  
Ion Conducting

The synthesis and studies of aromatic polymers tethered with azaspiro cations provide important insights towards the design of highly thermochemically stable hydroxide ion conducting fuel cell membranes.

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