Development of new solid electrolyte for solid state battery
The introduction of solid-state electrolytes (SSEs) into the battery industry has been posed to be a promising alternative to traditional liquid electrolytes in lithium-ion batteries. Enhanced battery safety, stability, and energy density are some of the benefits that SSEs provide. As of now, many s...
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| Format: | Final Year Project |
| Language: | English |
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Nanyang Technological University
2023
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| Online Access: | https://hdl.handle.net/10356/167045 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | The introduction of solid-state electrolytes (SSEs) into the battery industry has been posed to be a promising alternative to traditional liquid electrolytes in lithium-ion batteries. Enhanced battery safety, stability, and energy density are some of the benefits that SSEs provide. As of now, many studies on sulfides, oxides, and halides-based SSEs have been conducted to better understand their properties. However, studies reported that these materials still exhibit poor mechanical properties and instability at high temperatures which calls for further studies.
In this study, we will investigate a relatively unexplored SSE material, Li3InCl6, as a high-performance SSE that exhibits great ionic conductivity and a wide electrochemical window. The correlation between different sintering process parameters and the microstructure and ionic conductivity of Li3InCl6 halide SSEs are studied as well through X-ray diffraction (XRD) characterization to determine the crystal structure and size, energy-dispersive x-ray spectroscopy (EDS) to analyze the elements’ ratio, and electrochemical impedance spectroscopy (EIS) to measure the ionic conductivity of Li3InCl6. |
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