Aryl diazonium modification on graphite electrode in microbial fuel cell: a review
Usage of graphite electrode in a microbial fuel cell (MFC) is favored due to their electron conductivity and stability as a base material for the electrode. Also, graphite is favored as it allows the growth of biofilm, which can enhance the cell’s performance. The efficiency is reported improved t...
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Format: | Article |
Language: | English |
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Penerbit Universiti Kebangsaan Malaysia
2020
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Online Access: | http://journalarticle.ukm.my/14842/1/07.pdf |
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author | Muhammad Farhan Hil Me, Mimi Hani Abu Bakar, Hazlinda Kamarudin, |
author_facet | Muhammad Farhan Hil Me, Mimi Hani Abu Bakar, Hazlinda Kamarudin, |
author_sort | Muhammad Farhan Hil Me, |
collection | UKM |
description | Usage of graphite electrode in a microbial fuel cell (MFC) is favored due to their electron conductivity and stability as a
base material for the electrode. Also, graphite is favored as it allows the growth of biofilm, which can enhance the cell’s
performance. The efficiency is reported improved through modification. Aryl diazonium modification has been reported to
induce biofilm formation on the electrode faster. The modification can be done spontaneously or through electrografting
of aryl diazonium salt onto the electrode surface. Control over the quantity of grafted aryl diazonium is essential. A
thick layer will cause the performance of the system to drop, which may impede the electron transfer from biofilm to the
electrode. Aryl diazonium is preferred as it allows a robust biofilm formation when used as a surface modification on the
graphite electrode. Modification using aryl diazonium allows the electrode to be more accommodative for biofilm growth,
which will increase the performance of the system. However, it does not act as a redox mediator for the system. It has
been reported that power density obtained using aryl diazonium modified electrode is 250 mW.m-2, higher than unmodified
graphite electrode of 125 mW.m-2. However, not all bacterial species is compatible with aryl diazonium modification.
The unmodified graphite biocathode allows a higher power density compared to aryl diazonium modified biocathode.
Hence, depending on the quality of aryl diazonium modification and the types of inoculum used, MFC performance can
be further maximized. |
first_indexed | 2024-03-06T04:28:33Z |
format | Article |
id | ukm.eprints-14842 |
institution | Universiti Kebangsaan Malaysia |
language | English |
last_indexed | 2024-03-06T04:28:33Z |
publishDate | 2020 |
publisher | Penerbit Universiti Kebangsaan Malaysia |
record_format | dspace |
spelling | ukm.eprints-148422020-07-10T08:23:44Z http://journalarticle.ukm.my/14842/ Aryl diazonium modification on graphite electrode in microbial fuel cell: a review Muhammad Farhan Hil Me, Mimi Hani Abu Bakar, Hazlinda Kamarudin, Usage of graphite electrode in a microbial fuel cell (MFC) is favored due to their electron conductivity and stability as a base material for the electrode. Also, graphite is favored as it allows the growth of biofilm, which can enhance the cell’s performance. The efficiency is reported improved through modification. Aryl diazonium modification has been reported to induce biofilm formation on the electrode faster. The modification can be done spontaneously or through electrografting of aryl diazonium salt onto the electrode surface. Control over the quantity of grafted aryl diazonium is essential. A thick layer will cause the performance of the system to drop, which may impede the electron transfer from biofilm to the electrode. Aryl diazonium is preferred as it allows a robust biofilm formation when used as a surface modification on the graphite electrode. Modification using aryl diazonium allows the electrode to be more accommodative for biofilm growth, which will increase the performance of the system. However, it does not act as a redox mediator for the system. It has been reported that power density obtained using aryl diazonium modified electrode is 250 mW.m-2, higher than unmodified graphite electrode of 125 mW.m-2. However, not all bacterial species is compatible with aryl diazonium modification. The unmodified graphite biocathode allows a higher power density compared to aryl diazonium modified biocathode. Hence, depending on the quality of aryl diazonium modification and the types of inoculum used, MFC performance can be further maximized. Penerbit Universiti Kebangsaan Malaysia 2020-02 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/14842/1/07.pdf Muhammad Farhan Hil Me, and Mimi Hani Abu Bakar, and Hazlinda Kamarudin, (2020) Aryl diazonium modification on graphite electrode in microbial fuel cell: a review. Jurnal Kejuruteraan, 32 (1). pp. 51-59. ISSN 0128-0198 http://www.ukm.my/jkukm/volume-321-2020/ |
spellingShingle | Muhammad Farhan Hil Me, Mimi Hani Abu Bakar, Hazlinda Kamarudin, Aryl diazonium modification on graphite electrode in microbial fuel cell: a review |
title | Aryl diazonium modification on graphite electrode in microbial fuel cell: a review |
title_full | Aryl diazonium modification on graphite electrode in microbial fuel cell: a review |
title_fullStr | Aryl diazonium modification on graphite electrode in microbial fuel cell: a review |
title_full_unstemmed | Aryl diazonium modification on graphite electrode in microbial fuel cell: a review |
title_short | Aryl diazonium modification on graphite electrode in microbial fuel cell: a review |
title_sort | aryl diazonium modification on graphite electrode in microbial fuel cell a review |
url | http://journalarticle.ukm.my/14842/1/07.pdf |
work_keys_str_mv | AT muhammadfarhanhilme aryldiazoniummodificationongraphiteelectrodeinmicrobialfuelcellareview AT mimihaniabubakar aryldiazoniummodificationongraphiteelectrodeinmicrobialfuelcellareview AT hazlindakamarudin aryldiazoniummodificationongraphiteelectrodeinmicrobialfuelcellareview |