Study of the Functionalities of a Biochar Electrode Combined with a Photoelectrochemical Cell
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Basic Characterization of the Biochar
3.2. Photoelectrochemical Studies
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | Preparation Method | SSA (m2 g−1) | Micropores SSA (m2 g−1) | Pore Volume (mL g−1) | Point of Zero Charge |
---|---|---|---|---|---|
Raw BC | Pyrolysis or raw biomass at 850 °C | 100 | 58 | 0.077 | 8.4 |
Base-treated low temp. BC | Treatment of raw BC at 105 °C with 1M NaOH | 363 | 175 | 0.247 | 9.6 |
Activated BC | Pyrolysis of raw BC at 850 °C mixed with KOH | 1148 | 690 | 0.99 | >10.5 if any |
Element | % Atomic Concentration | ||
---|---|---|---|
Raw BC | Base Treated BC | Activated BC | |
C | 84.2 | 83.2 | 88.0 |
O | 10.3 | 11.1 | 10.2 |
Na | N.D. | 1.7 | 0.7 |
K | 2.4 | 0.7 | 0.3 |
Mg | 0.2 | 0.6 | N.D. |
Si | 1.0 | 0.3 | N.D. |
P | 1.0 | 1.4 | N.D. |
S | 0.2 | 0.2 | 0.8 |
Cl | 0.5 | 0.1 | N.D. |
Ca | 0.2 | 0.7 | N.D. |
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Giannakopoulos, S.; Vakros, J.; Manariotis, I.D.; Mantzavinos, D.; Lianos, P. Study of the Functionalities of a Biochar Electrode Combined with a Photoelectrochemical Cell. Materials 2023, 16, 43. https://doi.org/10.3390/ma16010043
Giannakopoulos S, Vakros J, Manariotis ID, Mantzavinos D, Lianos P. Study of the Functionalities of a Biochar Electrode Combined with a Photoelectrochemical Cell. Materials. 2023; 16(1):43. https://doi.org/10.3390/ma16010043
Chicago/Turabian StyleGiannakopoulos, Spyridon, John Vakros, Ioannis D. Manariotis, Dionissios Mantzavinos, and Panagiotis Lianos. 2023. "Study of the Functionalities of a Biochar Electrode Combined with a Photoelectrochemical Cell" Materials 16, no. 1: 43. https://doi.org/10.3390/ma16010043