Chelating-Type Binders toward Stable Cycling and High-Safety Transition-Metal Sulfide-Based Lithium Batteries
Why this work is in the frame
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Bibliographic record
Abstract
Conversion-type transition-metal sulfides (MS x ) are considered promising cathodes due to their low cost, easy availability, and high energy density. However, MS x cathodes experience severe capacity decay when cycling in conventional carbonate-based electrolytes because of irreversible nucleophilic reactions between carbonate solvents and polysulfide intermediates. To address this issue, a series of chelating-type binders has been designed for enabling MS x to function effectively. As a result, a typical transition-metal sulfide FeS 2 cathode can work reversibly with a high capacity of 527.3 mAh g –1 over 300 cycles, retaining 76.9% capacity under an ultrahigh loading of 5.6 mAh cm –2 . Additionally, a new type of battery featuring FeS 2 cathodes coupled with LiC 6 anodes in carbonate electrolyte has been developed for high stability (72.0% retention after 300 cycles) and safety. This work demonstrates the potential of conversion-type lithium batteries for achieving long cycle life and high safety.
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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) | 0.000 | 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 it