Guanidinium/Hydroxyl-Functionalized Polybenzimidazole for High-Temperature Proton Exchange Membrane Fuel Cell Applications
Publication type: Journal Article
Publication date: 2023-11-14
scimago Q1
wos Q2
SJR: 1.378
CiteScore: 10.2
Impact factor: 5.5
ISSN: 25740962
Materials Chemistry
Electrochemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Chemical Engineering (miscellaneous)
Abstract
In this study, polybenzimidazole (PBI) functionalized with hydroxyl groups (OH-PBI) is synthesized by the polycondensation of 3,3′-diaminobenzidine, 4,4′-dicarboxydiphenyl ether, and 2,5-dihydroxyterephthalic acid. To enhance the phosphoric acid uptake and proton conductivity of PBI-based membranes, tetramethylguanidinium-functionalized PBI (TMG/PBI) is synthesized by introducing guanidinium salts into OH-PBI. The as-prepared TMG/PBI-based membranes show good oxidization and thermal and dimensional stability. Owing to guanidinium functionalization, the TMG/PBI-based membranes show higher PA uptake, PA retention, and proton conductivity values than pure PBI and OH-PBI-based membranes. Additionally, single fuel cells comprising TMG/PBI-10 exhibit a significantly higher maximum power density (545.49 mW cm–2) at 120 °C than those comprising pure PBI membranes (196.15 mW cm–2). Thus, the as-prepared TMG/PBI-X membranes are promising materials for high-temperature proton exchange membrane fuel cell applications.
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Total citations:
17
Citations from 2024:
15
(93.75%)
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GOST
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Ji J. et al. Guanidinium/Hydroxyl-Functionalized Polybenzimidazole for High-Temperature Proton Exchange Membrane Fuel Cell Applications // ACS Applied Energy Materials. 2023. Vol. 6. No. 22. pp. 11754-11761.
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Ji J., Han Y., Xu F., Chu F., Li Y., Lin B. Guanidinium/Hydroxyl-Functionalized Polybenzimidazole for High-Temperature Proton Exchange Membrane Fuel Cell Applications // ACS Applied Energy Materials. 2023. Vol. 6. No. 22. pp. 11754-11761.
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RIS
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TY - JOUR
DO - 10.1021/acsaem.3c02471
UR - https://pubs.acs.org/doi/10.1021/acsaem.3c02471
TI - Guanidinium/Hydroxyl-Functionalized Polybenzimidazole for High-Temperature Proton Exchange Membrane Fuel Cell Applications
T2 - ACS Applied Energy Materials
AU - Ji, Jiayuan
AU - Han, Yuyang
AU - Xu, Fei
AU - Chu, Fuqiang
AU - Li, Yanting
AU - Lin, Bencai
PY - 2023
DA - 2023/11/14
PB - American Chemical Society (ACS)
SP - 11754-11761
IS - 22
VL - 6
SN - 2574-0962
ER -
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BibTex (up to 50 authors)
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@article{2023_Ji,
author = {Jiayuan Ji and Yuyang Han and Fei Xu and Fuqiang Chu and Yanting Li and Bencai Lin},
title = {Guanidinium/Hydroxyl-Functionalized Polybenzimidazole for High-Temperature Proton Exchange Membrane Fuel Cell Applications},
journal = {ACS Applied Energy Materials},
year = {2023},
volume = {6},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://pubs.acs.org/doi/10.1021/acsaem.3c02471},
number = {22},
pages = {11754--11761},
doi = {10.1021/acsaem.3c02471}
}
Cite this
MLA
Copy
Ji, Jiayuan, et al. “Guanidinium/Hydroxyl-Functionalized Polybenzimidazole for High-Temperature Proton Exchange Membrane Fuel Cell Applications.” ACS Applied Energy Materials, vol. 6, no. 22, Nov. 2023, pp. 11754-11761. https://pubs.acs.org/doi/10.1021/acsaem.3c02471.