Thin carbon–polypyrrole composite materials for supercapacitor electrodes by novel bipolar electrochemical setup
Bibliographic record
Abstract
Abstract A simple approach to mitigate the use of high voltages on thin bipolar electrodes is described here for the first time. The method involves stacking the desired thin conductor onto a thicker one, thereby creating a pseudo‐single electrode whose width is the sum of the two. Placing the target material on the positive or negative face of the combined bipolar electrode selects which reaction it will be involved in. This method is used to graft sheets of carbon paper, cloth, and buckypaper with an aminophenyl layer that subsequently binds polypyrrole in a simple two stage reaction to create a one‐sided deposit of a supercapacitive material. By itself the necessary driving potential for these reactions exceed 90 V, while with the stack it drops to 9 V. The resulting supercapacitor electrodes display good performance, with specific capacitances up to 210 mF/cm 2 and lasting 2500 charge/discharge cycles.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 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)
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".