CO<sub>2</sub> reverse water‐gas shift reaction on mesoporous M‐CeO<sub>2</sub> catalysts
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Bibliographic record
Abstract
Mesoporous M‐CeO 2 (M = Ni, Co, Fe, Mn, and Cu) catalysts were prepared using the hard‐template method and applied to investigate CO 2 reverse water‐gas shift (RWGS) reaction. The physicochemical properties were studied using H 2 ‐TPR, XRD, BET, CO 2 ‐TPD, and H 2 ‐TPD. Results show that the specific surface areas of the prepared Ni‐CeO 2 , Co‐CeO 2 , Fe‐CeO 2 , Mn‐CeO 2 , and Cu‐CeO 2 catalysts exceed 120 m 2 /g. CO 2 RWGS reaction performances are affected by the d ‐orbital holes of transition metals. CO 2 RWGS reaction catalytic activities are ranked as follows: Ni‐CeO 2 > Cu‐CeO 2 > Co‐CeO 2 > Fe‐CeO 2 ≈ Mn‐CeO 2 . The Cu‐CeO 2 , Fe‐CeO 2 , and Mn‐CeO 2 catalysts maintain 100 % CO selectivity at the studied temperature.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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