Microbially-charged electrochemical fuel for energy storage in a redox flow cell

• Tipo: Artigo em Revista Científica Internacional
• Data: 2020-01

Autores

Santos, M.S.S. (Autor) Outra; Peixoto, L. (Autor) Outra; azevedo, j. (Autor) FEUP; Ricardo Monteiro (Autor) FEUP; Dias-Ferreira, C. (Autor) Outra; Alves, M.M. (Autor) Outra; Adélio Mendes (Autor) FEUP

Revista

Título: Journal of Power Sources

Vol. 445

ISSN: 0378-7753

Editora: Elsevier

Indexação

ISI Web of Knowledge - 0 Citações

Scopus - 3 Citações

BASE - Bielefeld Academic Search Engine

ScienceDirect (Elsevier)

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia química

Projetos Associados

LEPABE - Financiamento Plurianual 2020-2023 da Unidade de I&D LEPABE - Laboratório de Engenharia de Processos, Ambiente, Biotecnologia e Energia

SunStorage - Recolha e armazenamento de energia solar

SunFlow - Armazenamento de energia solar em baterias redox de caudal

LEPABE-2-ECO-INNOVATION - LEPABE-2-ECO-INNOVATION

Outras Informações

ID Authenticus: P-00R-6SD

DOI: 10.1016/j.jpowsour.2019.227307

Abstract (EN): A Bioelectrochemical System (BES) is used for charging an electrochemical fuel to be used in a Redox Flow Cell (RFC), demonstrating the first proof of concept of a microbially-charged electrochemical fuel. Geobacter sulfur-reducens, electroactive bacteria, was used to charge anthraquinone-2,6-disulfonate (2,6-AQDS) producing current densities of ca. 200-500 mA m(-2) and maximum power densities of ca. 33 mW m(-2). The microbially-charged electrochemical fuel and potassium ferricyanide, K-3[Fe(CN)(6)] were introduced in a RFC producing a potential difference of 0.62 V, with a ca. 80% energy conversion efficiency. The use of a BES for charging the posilyte of a RFC is now envisioned. The bio-conversion of waste biomass energy into electrochemical fuels (microbially-charged electrochemical fuel for negalyte and posilyte) for later use in a RFC to produce electricity is a promising approach of converting biomass into storable and easy to use energy.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 10