LiMn<sub>2</sub>O<sub>4</sub>CATHODE MATERIAL FOR LITHIUM ION BATTERIES
Bibliographic record
Abstract
A solution based method was used for the synthesis of lithium manganese oxide using polyvinyl alcohol (PVA) as a chelating agent. It was found from thermogravimetric analysis/differential scanning calorimetry (TGA/DSC) analysis that at about 220 °C, the synthesis reaction was completed. The precursor powders obtained were annealed between 250 and 600 °C from 2 to 8 hours to obtain pure spinel oxides. The morphology of the synthesized materials consisted of submicron sized particles agglomerated inside a network structure. At the discharge rate of 1 C, the highest discharge capacity obtained was 118 mAh/g; this was achieved with material annealed at 600 °C for 8 hours.On a utilisé une méthode à base de solution pour la synthèse de l’oxyde de manganèselithium en utilisant de l’alcool polyvinylique (PVA) comme agent complexant. À partir de l’analyse thermogravimétrique et de l’analyse calorimétrique à balayage différentiel (TGA/DSC), on a trouvé que la réaction de synthèse était complétée à environ 220 °C. Les poudres précurseurs obtenues ont été recuites entre 250 et 600 °C, de 2 à 8 heures, pour obtenir des oxydes de spinelle purs. La morphologie des matériaux synthétisés consistait en particules de taille submicronique agglomérées à l’intérieur d’une structure réticulaire. À l’intensité de décharge de 1 C, l’intensité la plus élevée obtenue pour le courant de décharge était de 118 mAh/g; on a obtenu cela avec le matériau recuit à 600 °C pendant 8 heures.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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".