| DOI | Resolve DOI: https://doi.org/10.1016/j.biteb.2019.100302 |
|---|
| Author | Search for: Gomez vidales, Abraham1ORCID identifier: https://orcid.org/0000-0002-8529-6909; Search for: Omanovic, Sasha; Search for: Tartakovsky, Boris1ORCID identifier: https://orcid.org/0000-0002-6588-3276 |
|---|
| Affiliation | - National Research Council of Canada. Energy, Mining and Environment
|
|---|
| Format | Text, Article |
|---|
| Subject | bioelectrosynthesis; energy storage; capacitance; CO2 sequestration; membraneless |
|---|
| Abstract | This study demonstrates a novel approach for combined energy carrier production and energy storage in a Microbial Electrosynthesis System (MES). Continuous production of high purity methane (CH₄) from carbon dioxide (CO₂) was achieved in a 0.65 L carbon felt - filled cathode compartment of a membraneless MES. CH₄ production reached 0.72 L d−¹ at an energy consumption of 26 Wh LCH4−¹. Owing to the membraneless design of the MES, pH control of the electrode compartments was not required, with the cathode compartment pH remaining below 8.5. Electrochemical characterization showed a progressive increase of the MES internal capacitance from 2.1 F to 3.2 F. Bioelectrochemical conversion of CO₂ to CH₄ can be used for long-term energy storage (power-to-gas conversion) combined with CO₂ sequestration, while the internal capacitance of electroactive biofilms can be exploited to develop bioelectrochemical supercapacitors for fast energy return to the electrical grid. |
|---|
| Publication date | 2019-08-08 |
|---|
| Publisher | Elsevier |
|---|
| In | |
|---|
| Language | English |
|---|
| Peer reviewed | Yes |
|---|
| NRC number | [identifier] |
|---|
| Export citation | Export as RIS |
|---|
| Report a correction | Report a correction (opens in a new tab) |
|---|
| Record identifier | 24d03aa5-8e2a-487b-b3c1-e691b714d864 |
|---|
| Record created | 2021-02-16 |
|---|
| Record modified | 2021-02-16 |
|---|
