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Further development of polyepichlorohydrin based anion exchange membranes for reverse electrodialysis by tuning cast solution properties

Abstract: Recently, there have been several studies done regarding anion exchange membranes (AEMs) based on polyepichlorohydrin (PECH), an attractive polymer enabling safe membrane fabrication due to its inherent chloromethyl groups. However, there are still undiscovered properties of these membranes emerging from different compositions of cast solutions. Thus, it is vital to explore new membrane properties for sustainable energy generation by reverse electrodialysis (RED). In this study, the cast solution composition was easily tuned by varying the ratio of active polymer (i.e., blend ratio) and quaternary agent (i.e., excess diamine ratio) in the range of 1.07-2.00, and 1.00-4.00, respectively. The membrane synthesized with excess diamine ratio of 4.00 and blend ratio of 1.07 provided the best results in terms of ion exchange capacity, 3.47 mmol/g, with satisfactory conductive properties (area resistance: 2.4 [omega]·cm2, electrical conductivity: 6.44 mS/cm) and high hydrophilicity. RED tests were performed by AEMs coupled with the commercially available Neosepta CMX cation exchange membrane (CEMs).

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Eti M., Cihanoglu A., Güler E., Gomez-Coma L., Altiok E., Arda M., Ortiz I., Kabay N.,

 Fuente: Membranes, 2022, 12(12), 1192

Editorial: MDPI

 Fecha de publicación: 26/11/2022

Nº de páginas: 16

Tipo de publicación: Artículo de Revista

 DOI: 10.3390/membranes12121192

ISSN: 2077-0375

Autoría

ETI, MINE

CIHANOGLU, AYDIN

ENVER GULER

ALTIOK, ESRA

ARDA, MÜSERREF