Photo-rechargeable fuel cell using photo-hydrogenation reactions of quinone molecules

We demonstrated a new concept of a photo-rechargeable fuel cell using the protonation and de-protonation reactions of quinone molecules. It was found that disodium 9,10-anthraquinone-2,7-disulfonate (AQDS) can work as active quinone molecules for the proposed cell. Photo-induced protonation reaction...

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Bibliographic Details
Published in:New journal of chemistry 2020-02, Vol.44 (6), p.2275-228
Main Authors: Ishii, Yosuke, Kurimoto, Keisuke, Hosoe, Kento, Date, Remi, Yamada, Itta, Kawasaki, Shinji
Format: Article
Language:English
Subjects:
Anthraquinones
Electrodes
Fuel cells
Protonation
Quinones
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Summary:We demonstrated a new concept of a photo-rechargeable fuel cell using the protonation and de-protonation reactions of quinone molecules. It was found that disodium 9,10-anthraquinone-2,7-disulfonate (AQDS) can work as active quinone molecules for the proposed cell. Photo-induced protonation reaction of AQDS, confirmed by UV-vis measurements, corresponds to the charge process of the proposed photo-rechargeable cell and the protonated AQDS electrode can work just like the fuel electrode of a conventional fuel cell. It was revealed by full-cell experiments that this photo-rechargeable fuel cell works practically. A new concept photo-rechargeable fuel cell using the photochemical protonation and de-protonation reactions of 9,10-anthraquinone-2,7-disulfonate (AQDS) is proposed.
ISSN:1144-0546
1369-9261
DOI:10.1039/c9nj04782d