Self‐Supported Cobalt Nickel Nitride Nanowires Electrode for Overall Electrochemical Water Splitting
Why this work is in the frame
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Bibliographic record
Abstract
Abstract The design and synthesis of electrocatalysts possessing both hydrogen and oxygen evolution activity is of critical importance to simplify the water splitting system. In this work, we reported the preparation of porous Ni–Co nitride nanowires (NiCoN NWs) supported on carbon cloth, and used as bifunctional electrocatalysts to achieve overall water splitting. Benefiting from the 1D porous nanowire structure, the close contact between catalysts and support, and the increased conductivity, the resultant NiCoN NWs exhibited high activities in both the hydrogen and oxygen evolution reactions (HER and OER) with low overpotential at a current density of 10 mA cm −2 (≈145 mV for HER and 360 mV for OER), low Tafel slope (105.2 mV dec −1 for HER and 46.9 mV dec −1 for OER), and good electrochemical stability. Good stability was also obtained upon using the material as HER and OER catalysts in a two‐electrode system to split water.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.002 | 0.000 |
| Research integrity | 0.001 | 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 it