Synthesis and Characterization of Mg Substituted LiCoO[sub 2]
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Bibliographic record
Abstract
Thirty stoichiometric, lithium deficient and lithium excess and samples with and were synthesized from Co–Mg mixed hydroxides, prepared by coprecipitation, and , by heating in air. X-ray diffraction was used to determine the ranges of and that gave single phase samples. Atomic absorption analysis and Rietveld refinements showed that all single phase samples had pure lithium layers containing no Mg and transition-metal layers containing excess Li (if present) and all Mg and all Co atoms. The single phase samples showed oxygen deficiency and no evidence for when and . The electrochemical studies of the excess lithium and stoichiometric samples were used to measure the rate of capacity reduction with Mg content, about per formula unit of Mg. Literature work on , , and demonstrates about the same rate of capacity reduction per formula unit of Mg.
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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