Calcium Doping of Lithium Titanium Oxide Nanospheres: A Combined First‐Principles and Experimental Study
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Nanospherical lithium titanium oxide (LTO; Li 4 Ti 5 O 12 ) is doped with calcium by a novel route. The prepared material displays superior rate performance prepared with an ultrahigh specific capacity of 155.1 mAh g −1 at 10 C after 1000 cycles. Using density functional theory (DFT) calculations, it is also revealed that the energetically favorable substitution of calcium on the lithium sites in LTO spinel induces a conversion in the electrical conductivity behavior, from intrinsic insulator to metallic, which accounts for the good rate performance. The strategy of combining calcium doping with nanostructuring provides a potentially rewarding avenue towards the design and optimization of common electrode materials.
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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