NMC622 Rock-Salt Oxide Precursor Synthesized by a Molten-Salt Process
Bibliographic record
Abstract
High Resolution Image Download MS PowerPoint Slide Single-phase rock-salt (RS) Ni–Mn–Co oxides were synthesized from NiO, MnO, and CoO powder mixtures with or without sodium sulfate as molten-salt flux and subsequently used as precursors for the all-dry synthesis of LiNi 0.6 Mn 0.2 Co 0.2 O 2 (NMC622). Pelletization and the utilization of a molten salt were both effective in improving the crystallinity and compositional inhomogeneity of RS precursors, to such a degree that RS precursors prepared with the molten-salt method required only simple hand mixing of the oxide components to achieve a similar level of compositional homogeneity as RS precursors prepared with more than an hour of intense grinding. The enhanced homogeneity of the RS precursor made with a molten-salt process also translated into enhanced homogeneity and electrochemical performance in its product NMC. These results show that utilizing a molten salt in RS-precursor synthesis can potentially reduce cost and processing steps in all-dry NMC synthesis.
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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) | 0.000 | 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 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".