Abstract
Lithium manganese oxide (LiMn2O4) synthesized from manganese ore has been successfully applied for cathode materials of lithium-ion batteries. LiMn2O4 was obtained by reacting lithium carbonate (Li2CO3) and manganese oxide (MnO2) using a solid-state reaction. The structure characterization of LiMn2O4 was carried out using X-ray diffraction (XRD) and Raman spectroscopy. The thermal properties of cathode material were studied using Thermal Gravimetric Analysis (TGA). The electrochemical properties were analyzed using cyclic voltammetry (CV), charge-discharge (CD), and electrochemical impedance spectroscopy (EIS). Two pairs of redox peaks were identified at 3.0-4.5 V. The efficiency of the battery was 94.74% in the first cycle with maximum electrical conductivity of 5.26 x 10-4 S cm-1. It was concluded that LiMn2O4 synthesized from manganese ore can be applied as the cathode of lithium-ion batteries.
| Original language | English |
|---|---|
| Pages (from-to) | 2203-2209 |
| Number of pages | 7 |
| Journal | Rasayan Journal of Chemistry |
| Volume | 15 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Oct 2022 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Cathode Material
- Conductivity
- Lithium-ion Batteries
- Manganese Ore
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