High-performance polymer electrolyte membranes incorporated with 2D silica nanosheets in high-temperature proton exchange membrane fuel cells

Autor: Rongsheng Cai, Stuart M. Holmes, Sarah J. Haigh, Madhumita Sahoo, Zhaoqi Ji, Jianuo Chen, Zunmin Guo, Maria Perez-Page, Jae Jong Byun

Publikováno v: Journal of Energy Chemistry. 64:323-334

Silica nanosheets (SN) derived from natural vermiculite (Verm) were successfully incorporated into polyethersulfone–polyvinylpyrrolidone (PES–PVP) polymer to fabricate high–temperature proton exchange membranes (HT–PEMs). The content of SN fi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::269c91d2d93196872d08d841b74cdf24
https://doi.org/10.1016/j.jechem.2021.04.061

Recent advances in phosphoric acid–based membranes for high–temperature proton exchange membrane fuel cells

Autor: Zhaoqi Ji, Zunmin Guo, Jianuo Chen, Stuart M. Holmes, Maria Perez-Page

Publikováno v: Journal of Energy Chemistry. 63:393-429

High–temperature proton exchange membrane fuel cells (HT–PEMFCs) are pursued worldwide as efficient energy conversion devices. Great efforts have been made in the area of designing and developing phosphoric acid (PA)–based proton exchange membr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1af4c630897c8c4fb5800e468d4d2943
https://doi.org/10.1016/j.jechem.2021.06.024

Lab-based X-ray micro-computed tomography coupled with machine-learning segmentation to investigate phosphoric acid leaching in high-temperature polymer electrolyte fuel cells

Autor: Josh J. Bailey, Paul R. Shearing, Jennifer Hack, Stuart M. Holmes, Jianuo Chen, Maria Perez-Page, Dan J. L. Brett

Publikováno v: Bailey, J J, Chen, J, Hack, J, Perez-Page, M, Holmes, S M, Brett, D J L & Shearing, P R 2021, ' Lab-based X-ray micro-computed tomography coupled with machine-learning segmentation to investigate phosphoric acid leaching in high-temperature polymer electrolyte fuel cells ', Journal of Power Sources, vol. 509, 230347 . https://doi.org/10.1016/j.jpowsour.2021.230347
Bailey, J J, Chen, J, Hack, J, Perez-page, M, Holmes, S M, Brett, D J L & Shearing, P R 2021, ' Lab-based X-ray micro-computed tomography coupled with machine-learning segmentation to investigate phosphoric acid leaching in high-temperature polymer electrolyte fuel cells ', Journal of Power Sources, vol. 509, 230347 . https://doi.org/10.1016/j.jpowsour.2021.230347

A machine-learning approach is used to segment 14 X-ray computed-tomography datasets acquired by lab-based scanning of laser-milled, high-temperature polymer electrolyte fuel cell samples mounted in a 3D-printed sample holder. Two modes of operation,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1e85eaee8864dcdd826fc3ea05337ce
https://pure.qub.ac.uk/en/publications/7418cc9e-062f-4e16-a25c-5f717baf7c3d

Performance and Durability of HT-PEMFC Enhanced By One-Step Electrochemical Exfoliated Phosphonated Graphene Oxide

Autor: Jianuo Chen, Zunmin Guo, Ziyu Zhao, Maria Perez-Page, Stuart Holmes

Publikováno v: ECS Meeting Abstracts. :628-628

The high-temperature proton exchange membrane fuel cell (HT-PEMFC) conducts protons through the hydrogen bond network established by the polymer and phosphoric acid (PA), which reduces the dependence on humidity and allows its operating temperature t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::081ea536f4e23360432bef920be32d4f
https://doi.org/10.1149/ma2022-017628mtgabs

Doped graphene/carbon black hybrid catalyst giving enhanced oxygen reduction reaction activity with high resistance to corrosion in proton exchange membrane fuel cells

Autor: Stuart M. Homes, Jianuo Chen, Rongsheng Cai, Sarah J. Haigh, Maxwell T. P. Rigby, Maria Perez-Page, Zunmin Guo, Ziyu Zhao, Zhaoqi Ji

Publikováno v: Journal of Energy Chemistry

Nitrogen doping of the carbon is an important method to improve the performance and durability of catalysts for proton exchange membrane fuel cells by platinum-nitrogen and carbon-nitrogen bonds. This study shows that p-phenyl groups and graphitic N

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0db5092d0d661dda1c3e1508a8e0432f