Bio-hydrogen production through microbial electrolysis cell: structural components and influencing factors

R Gautam, JK Nayak, NV Ress… - Chemical Engineering …, 2023 - Elsevier
Microbial electrolysis cell (MEC) is a significantly sustainable bio-electrochemical system for
biological hydrogen production. MEC is also regarded as an environmentally friendly …

Electricity-driven microbial metabolism of carbon and nitrogen: a waste-to-resource solution

N Chu, Y Jiang, Q Liang, P Liu, D Wang… - Environmental …, 2023 - ACS Publications
Electricity-driven microbial metabolism relies on the extracellular electron transfer (EET)
process between microbes and electrodes and provides promise for resource recovery from …

DIET-like mutualism of Geobacter and methanogens at specific electrode potential boosts production of both methane and hydrogen from propionate

Y Yan, J Zhang, L Tian, X Yan, L Du, A Leininger… - Water Research, 2023 - Elsevier
Direct interspecies electron transfer (DIET) has been demonstrated to be an efficient type of
mutualism in methanogenesis. However, few studies have reported its presence in mixed …

Nitrogen-doped carbon nanofibers anchoring Fe nanoparticles as biocompatible anode for boosting extracellular electron transfer in microbial fuel cells

Y Liu, J Wang, Y Sun, H Li, Z Zhai, S Guo, T Ren… - Journal of Power …, 2022 - Elsevier
Sluggish extracellular electron transfer (EET) at the anode interface is the major obstacle to
achieving satisfactory power density in microbial fuel cells (MFCs). To boost the EET …

Rapid dissimilatory nitrate reduction to ammonium conserves bioavailable nitrogen in organic deficient soils

Y Wan, Q Du, Y Wu, R Li, X Yan, N Li… - Soil Biology and …, 2023 - Elsevier
Large amounts of nitrogen fertilized to food production are lost via denitrification and
leaching. Dissimilatory nitrate reduction to ammonium (DNRA) is a bioprocess competing …

Endogenous electric field accelerates phenol degradation in bioelectrochemical systems with reduced electrode spacing

L Tian, C Liao, X Yan, Q Zhao, Z Wang, T Li, N Li… - Journal of Hazardous …, 2023 - Elsevier
Reducing the electrode spacing in bioelectrochemical systems (BESs) are widely reported
to improve power output, which was mainly attributed to the decrease of ohmic resistance (R …

Effect of exogenous flavins on the microbial corrosion by Geobacter sulfurreducens via iron-to-microbe electron transfer

Y Jin, J Li, M Zhang, B Zheng, D Xu, T Gu… - Journal of Materials …, 2024 - Elsevier
Microbes can cause or accelerate metal corrosion, leading to huge losses in corrosion
damages each year. Geobacter sulfurreducens is a representative electroactive bacterium in …

Using nickel-molybdenum cathode catalysts for efficient hydrogen gas production in microbial electrolysis cells

R Rossi, J Nicolas, BE Logan - Journal of Power Sources, 2023 - Elsevier
A low-cost cathode catalyst based on a NiMo alloy was examined here to replace noble
metals for the hydrogen production in microbial electrolysis cells (MECs). Two NiMo …

Bioelectro-barriers prevent nitrate leaching into groundwater via nitrogen retention

Y Wan, R Li, K Yao, C Peng, W Wang, N Li, X Wang - Water Research, 2024 - Elsevier
Groundwater, the main freshwater resource for humans, has been widely contaminated with
nitrate from fertilizers. Here, we report a new and chemical-free strategy to prevent nitrate …

Ameliorating substance accessibility for microorganisms to amplify toluene degradation and power generation of microbial fuel cell by using activated carbon anode

F Su, F Wang, C Zhang, T Lu, S Zhang, R Zhang… - Journal of Cleaner …, 2022 - Elsevier
Limited access to the hydrophobic organic compounds by microorganisms impedes the
improvement of performance of bioreactor processing contaminant degradation. Here, we …