Composite Ni-P=TiO2 Electrocoatings for Hydrogen Evolution Reaction in Alkaline Solutions
Bibliographic record
Abstract
Hydrogen evolution reaction (HER) has been studied in alkaline media using three types of electrodes: (i) electrocoated with Ni-P + TiO 2 , (ii) electrocoated with Ni-P + TiO 2 and heated at 400°C, (iii) electrocoated withNi-P + TiO 2 and heated at 500°C. The heating was carried out in argon atmosphere. Topographical and structural changes of Ni-P + TiO 2 coatings before and after heating were investigated applying geometric surface structure (GSS) and X-ray diffraction (XRD) methods. GSS results were presented graphically in 2 and 3 dimensions. Steady-state polarization and ac impedance spectroscopy were used to determine electrode activities. HER proceeded via Volmer-Heyrovsky mechanism. The effectiveness of HER depended on the intrinsic activity. HER was enhanced when heating was applied, due to the increased amount of non-stoichiometric Ti oxides (facilitating H reduction/adsorption), comparing to the unheated Ni-P + TiO 2 electrode. The most efficient HER proceeded under the following conditions: 5 MKOH, 25°C, Ni-P + TiO 2 electrode heated to 500°C.
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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 | 0.000 | 0.000 |
| 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 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".