High Electrochemical Performances of LiFePO 4 Cathode Material Prepared from Surface Modification by Carbon Coating using Sucrose via Sol-gel Method
Bibliographic record
Abstract
In this study, LiFePO4 cathode was modified using the sucrose via sol-gel method. The carbon coated LiFePO4 was characterized using XRD, SEM and EDS techniques. The XRD patterns of carbon coated LiFePO4 revealed that the coating did not affect the crystal structure of the parent powder. The carbon coated LiFePO4 has a discharge capacity of 143 mAh/g in the voltage range of 2.8-4.2V vs Li/Li+. The cathode exhibited a stable capacity on cycling, and a good rate capability in the current range of 0.1-4.0C. Additionally, the carbon coated LiFePO4 compound exhibited a highly improved area-specific impedance (ASI), which is one of the most important properties for battery performances. The results indicated that this cathode material could be useful for lithium-ion cells because it has a much lower cost than LiCoO2-containing cells, and high safety.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".