Methane Electrochemical Oxidation Pathway over a Ni/YSZ and La<sub>0.3</sub>Sr<sub>0.7</sub>TiO<sub>3</sub>Bi-Layer SOFC Anode
Bibliographic record
Abstract
The electrochemical conversion of dry CH4 was studied over a Ni/YSZ and La0.3Sr0.7TiO3 bi-layer anode at 1023 K. In order to understand the electrochemical pathway, a fuel mixture composed of H2, CH4, CO, and CO2 was fed to the SOFC anode while the gas products were analyzed at different current densities. In this fuel mixture, the Nernst potential and material balance, calculated from the H2 electrochemical oxidation reaction, were consistent with the experimental OCV and the gas product analysis. In dry CH4 fuel, the electrochemical oxidation pathway is more complex. The conversion of dry CH4 strongly depends on the anode polarization. CO formed at low current densities (i < 0.1 A/cm2) from the electrochemical oxidation of carbon deposits, whereas H2O and CO2 formed above this current density from the electrochemical oxidation of H2 and CO.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".