AI Article Synopsis
- LiMnFePO₄/C composites were created using a simple solid-state method, utilizing precursors and sucrose for carbon coating, which showed effective integration of elements.
- X-ray diffraction (XRD) analysis confirmed that the solid-state reactions among the precursors were fully completed, resulting in composites that maintained their original shape without significant size changes.
- The resulting LiMnFePO₄/C composite demonstrated a high discharge capacity of over 120 mAh·g at low charge rates, indicating its potential for enhancing performance in lithium-ion batteries.
Article Abstract
LiMnFePO₄/C material has been synthesized through a facile solid-state reaction under the condition of carbon coating, using solvothermal-prepared LiMnPO₄ and LiFePO₄ as precursors and sucrose as a carbon resource. XRD and element distribution analysis reveal completed solid-state reaction of precursors. LiMnFePO₄/C composites inherit the morphology of precursors after heat treatment without obvious agglomeration and size increase. LiMnFePO₄ solid solution forms at low temperature around 350 °C, and Mn/Fe diffuse completely within 1 h at 650 °C. The LiMnFePO₄/C ( < 0.8) composite exhibits a high-discharge capacity of over 120 mAh·g (500 Wh·kg) at low C-rates. This paves a way to synthesize the crystal-optimized LiMnFePO₄/C materials for high performance Li-ion batteries.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5457063 | PMC |
| http://dx.doi.org/10.3390/ma9090766 | DOI Listing |
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