Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development

Microbial electrosynthesis (MES) is an emerging electrochemical technology currently being researched as a CO2 sequestration method to address climate change. MES can convert CO2 from pollution or waste materials into various carbon compounds with low energy requirements using electrogenic microbes...

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Main Authors: Ibrahim I., Salehmin M.N.I., Balachandran K., Hil Me M.F., Loh K.S., Abu Bakar M.H., Jong B.C., Lim S.S.
Other Authors: 58535371600
Format: Review
Published: Frontiers Media SA 2024
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spelling my.uniten.dspace-345872024-10-14T11:20:53Z Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development Ibrahim I. Salehmin M.N.I. Balachandran K. Hil Me M.F. Loh K.S. Abu Bakar M.H. Jong B.C. Lim S.S. 58535371600 55628787200 58535382200 57702596700 57195914100 57195067276 57193846692 36608404200 advanced material biocatalyst carbon capture cathode modification CO<sub>2</sub> sequestration CO<sub>2</sub>RR microbial electrosynthesis techno-economic 2 propanol acetone alcohol biofuel biogas butyric acid carbon electrolyte gold nanoparticle hydrogen biocatalyst biocompatibility biofilm carbon capture carbon sequestration catalysis chemical reaction climate change electrochemical analysis electrochemistry electrolysis electrosynthesis gas flow hybridization microbial community microorganism oxygen evolution pH photosynthesis pollution pyrolysis Review waste waste water management Microbial electrosynthesis (MES) is an emerging electrochemical technology currently being researched as a CO2 sequestration method to address climate change. MES can convert CO2 from pollution or waste materials into various carbon compounds with low energy requirements using electrogenic microbes as biocatalysts. However, the critical component in this technology, the cathode, still needs to perform more effectively than other conventional CO2 reduction methods because of poor selectivity, complex metabolism pathways of microbes, and high material cost. These characteristics lead to the weak interactions of microbes and cathode electrocatalytic activities. These approaches range from cathode modification using conventional engineering approaches to new fabrication methods. Aside from cathode development, the operating procedure also plays a critical function and strategy to optimize electrosynthesis production in reducing operating costs, such as hybridization and integration of MES. If this technology could be realized, it would offer a new way to utilize excess CO2 from industries and generate profitable commodities in the future to replace fossil fuel-derived products. In recent years, several potential approaches have been tested and studied to boost the capabilities of CO2-reducing bio-cathodes regarding surface morphology, current density, and biocompatibility, which would be further elaborated. This compilation aims to showcase that the achievements of MES have significantly improved and the future direction this is going with some recommendations. Highlights: � MES approach in carbon sequestration using the biotic component. � The role of microbes as biocatalysts in MES and their metabolic pathways are discussed. � Methods and materials used to modify biocathode for enhancing CO2 reduction are presented. Copyright � 2023 Ibrahim, Salehmin, Balachandran, Hil Me, Loh, Abu Bakar, Jong and Lim. Final 2024-10-14T03:20:53Z 2024-10-14T03:20:53Z 2023 Review 10.3389/fmicb.2023.1192187 2-s2.0-85167846218 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85167846218&doi=10.3389%2ffmicb.2023.1192187&partnerID=40&md5=dbae0c247f95359eea4ce580dab91364 https://irepository.uniten.edu.my/handle/123456789/34587 14 1192187 All Open Access Gold Open Access Green Open Access Frontiers Media SA Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
topic advanced material
biocatalyst
carbon capture
cathode modification
CO<sub>2</sub> sequestration
CO<sub>2</sub>RR
microbial electrosynthesis
techno-economic
2 propanol
acetone
alcohol
biofuel
biogas
butyric acid
carbon
electrolyte
gold nanoparticle
hydrogen
biocatalyst
biocompatibility
biofilm
carbon capture
carbon sequestration
catalysis
chemical reaction
climate change
electrochemical analysis
electrochemistry
electrolysis
electrosynthesis
gas flow
hybridization
microbial community
microorganism
oxygen evolution
pH
photosynthesis
pollution
pyrolysis
Review
waste
waste water management
spellingShingle advanced material
biocatalyst
carbon capture
cathode modification
CO<sub>2</sub> sequestration
CO<sub>2</sub>RR
microbial electrosynthesis
techno-economic
2 propanol
acetone
alcohol
biofuel
biogas
butyric acid
carbon
electrolyte
gold nanoparticle
hydrogen
biocatalyst
biocompatibility
biofilm
carbon capture
carbon sequestration
catalysis
chemical reaction
climate change
electrochemical analysis
electrochemistry
electrolysis
electrosynthesis
gas flow
hybridization
microbial community
microorganism
oxygen evolution
pH
photosynthesis
pollution
pyrolysis
Review
waste
waste water management
Ibrahim I.
Salehmin M.N.I.
Balachandran K.
Hil Me M.F.
Loh K.S.
Abu Bakar M.H.
Jong B.C.
Lim S.S.
Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development
description Microbial electrosynthesis (MES) is an emerging electrochemical technology currently being researched as a CO2 sequestration method to address climate change. MES can convert CO2 from pollution or waste materials into various carbon compounds with low energy requirements using electrogenic microbes as biocatalysts. However, the critical component in this technology, the cathode, still needs to perform more effectively than other conventional CO2 reduction methods because of poor selectivity, complex metabolism pathways of microbes, and high material cost. These characteristics lead to the weak interactions of microbes and cathode electrocatalytic activities. These approaches range from cathode modification using conventional engineering approaches to new fabrication methods. Aside from cathode development, the operating procedure also plays a critical function and strategy to optimize electrosynthesis production in reducing operating costs, such as hybridization and integration of MES. If this technology could be realized, it would offer a new way to utilize excess CO2 from industries and generate profitable commodities in the future to replace fossil fuel-derived products. In recent years, several potential approaches have been tested and studied to boost the capabilities of CO2-reducing bio-cathodes regarding surface morphology, current density, and biocompatibility, which would be further elaborated. This compilation aims to showcase that the achievements of MES have significantly improved and the future direction this is going with some recommendations. Highlights: � MES approach in carbon sequestration using the biotic component. � The role of microbes as biocatalysts in MES and their metabolic pathways are discussed. � Methods and materials used to modify biocathode for enhancing CO2 reduction are presented. Copyright � 2023 Ibrahim, Salehmin, Balachandran, Hil Me, Loh, Abu Bakar, Jong and Lim.
author2 58535371600
author_facet 58535371600
Ibrahim I.
Salehmin M.N.I.
Balachandran K.
Hil Me M.F.
Loh K.S.
Abu Bakar M.H.
Jong B.C.
Lim S.S.
format Review
author Ibrahim I.
Salehmin M.N.I.
Balachandran K.
Hil Me M.F.
Loh K.S.
Abu Bakar M.H.
Jong B.C.
Lim S.S.
author_sort Ibrahim I.
title Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development
title_short Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development
title_full Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development
title_fullStr Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development
title_full_unstemmed Role of microbial electrosynthesis system in CO2 capture and conversion: a recent advancement toward cathode development
title_sort role of microbial electrosynthesis system in co2 capture and conversion: a recent advancement toward cathode development
publisher Frontiers Media SA
publishDate 2024
_version_ 1814061062803161088
score 13.209306