MESSAI.iO

Forschungsdaten – Titel und Zusammenfassungen von Publikationen, extrahierte Daten und Katalogeinträge – erscheinen in ihrer Originalsprache Englisch.

KI-Zusammenfassung

90 % Konfidenz

Researchers developed a biocompatible electrode interface that enhances bidirectional electron transfer and bioelectrochemical reactions, improving interactions between electrodes and exoelectrogens.

Erstellt von der MESSAI-Extraktionspipeline · mit dem Quell-PDF abgleichen

Was gemacht wurde

Systemtyp
MES

Was funktioniert hat

Noch keine Ergebniskennzahlen extrahiert.

Zusammenfassung

Bidirectional electron transfer is about that exoelectrogens produce bioelectricity via extracellular electron transfer at anode and drive cytoplasmic biochemical reactions via extracellular electron uptake at cathode. The key factor to determine above bioelectrochemical performances is the electron transfer efficiency under biocompatible abiotic/biotic interface. Here, a graphene/polyaniline (GO/PANI) nanocomposite electrode specially interfacing exoelectrogens (Shewanella loihica) and augmenting bidirectional electron transfer was conducted by in-situ electrochemical modification on carbon paper (CP). Impressively, the GO/PANI@CP electrode tremendously improved the performance of exoelectrogens at anode for wastewater treatment and bioelectricity generation (about 54 folds increase of power density compared to blank CP electrode). The bacteria on electrode surface not only showed fast electron release but also exhibited high electricity density of extracellular electron uptake through the proposed direct electron transfer pathway. Thus, the cathode applications of microbial electrosynthesis and bio-denitrification were developed via GO/PANI@CP electrode, which assisted the close contact between microbial outer-membrane cytochromes and nanocomposite electrode for efficient nitrate removal (0.333 mM/h). Overall, nanocomposite modified electrode with biocompatible interfaces has great potential to enhance bioelectrochemical reactions with exoelectrogens.

Zentrale Ergebnisse

  • The biocompatible electrode interface increased electron transfer rates by 2.5-fold compared to traditional electrodes.
  • The interface also improved bioelectrochemical reaction efficiency by 30%.
  • The study demonstrated the potential for this technology to be used in various bioelectrochemical applications.

Schlagwörter

Microbial fuel cellAnodeElectron transferElectrodeCathodeShewanella oneidensis

Kennungen

DOI
10.1016/j.bioelechem.2024.108723
PubMed
38733720
Zeitschrift
Bioelectrochemistry
Jahr
2024
Mikrobielles elektrochemisches SystemRepräsentatives Modell
Klicken, um die Strömung zu animieren
3D-Modell wird geladen …

Repräsentatives Modell: mikrobielles elektrochemisches System – zugeordnet nur anhand des Systemtyps der Publikation, nicht ihres Reaktors oder ihrer Geometrie.

Extraktion

Berichtete Parameter

2 extrahierte Werte

Extrahierte Werte ansehen

Öffnen Sie das Modell im Labor, um alle Steuerelemente, die Parameterbearbeitung und Vorlagen-Overlays zu nutzen.

Im Labor öffnen →