Cathodic electrosynthesis of VOx ceramics for supercapacitor applications
Bibliographic record
Abstract
The feasibility of electrosynthesis of VO x by the cathodic electrogenerated base method is demonstrated and advantages of this technique are discussed. The electrogenerated base method results in the fabrication of VO x material, containing V 3+ , V 4+ and V 5+ species from VOSO 4 solutions. The deposition yield is studied in-situ at a constant voltage or constant current conditions using a quartz crystal microbalance. The method allows rigid control of the deposition yield. The results of X-ray photoelectron spectroscopy, thermogravimetic and differential thermal analyses allow the development of the new electrosynthesis mechanism. For the first time electric discharge machining (EDM) is used for the fabrication of patterned Ni current collectors for VO x supercapacitors. VO x material shows capacitive behavior in the positive potential range with a capacitance of 278.6 mF cm −2 . Asymmetric device containing VO x cathodes and γ-Fe 2 O 3 anodes shows a capacitance of 27.1 mF cm −2 in a voltage window of 1.5 V in Na 2 SO 4 electrolyte. The approach developed in this investigation opens an avenue for the fabrication of advanced patterned ceramic asymmetric supercapacitors with enlarged voltage windows.
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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".