A Combined Computational/Experimental Study on Tertbutyl- and Methoxy-Substituted Benzene Derivatives as Redox Shuttles for Lithium-Ion Cells
Why this work is in the frame
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Bibliographic record
Abstract
Calculations were performed on a group of 43 -butyl- and methoxy-substituted benzenes to assess their suitability as redox shuttle additives for lithium-ion cells. One molecule of this type has been previously shown to be excellent for overcharge protection of mesocarbon microbead (MCMB)/ and lithium-ion cells. These calculations showed that 2,5-di--butyl-1,4-dimethoxybenzene was the best molecule in this group, as far as oxidation potential and stability are concerned. Other molecules that showed promise were 2--butyl-1,4-dimethoxybenzene, 4--butyl-1,2-dimethoxybenzene, and 3,5-di--butyl-1,2-dimethoxybenzene. These molecules were synthesized and tested in coin-type cells to confirm the results expected based on the calculations. The results of the calculations show that the substitution pattern on the molecule can be used to predict the most reactive sites on the oxidized molecule. For the dimethoxy-substituted molecules, the calculations predict that the ortho and para substitution pattern results in more stable oxidized molecules than the meta pattern.
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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