Journal article 648 views
Facile Synthesis of Carbon-Metal Fluoride Nanocomposites for Lithium-Ion Batteries
M. Anji Reddy,
Ben Breitung,
Clemens Wall,
Shivam Trivedi,
Venkata Sai Kiran Chakravadhanula,
M. Helen,
Maximilian Fichtner,
Anji Munnangi 
Energy Technology, Volume: 4, Issue: 1, Pages: 201 - 211
Swansea University Author:
Anji Munnangi
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DOI (Published version): 10.1002/ente.201500358
Abstract
Metal‐fluoride‐based conversion materials have gained interest as cathode materials for lithium‐ion batteries due to their high theoretical energy densities. However, metal fluorides are electrically insulating and experience large volume changes during the charge and discharge processes. Effective...
| Published in: | Energy Technology |
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| ISSN: | 2194-4288 |
| Published: |
2016
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa51577 |
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| Abstract: |
Metal‐fluoride‐based conversion materials have gained interest as cathode materials for lithium‐ion batteries due to their high theoretical energy densities. However, metal fluorides are electrically insulating and experience large volume changes during the charge and discharge processes. Effective synthesis of carbon–metal fluoride nanocomposites (CMFNCs) with stable morphology is one of the keys to achieve high capacities with sustainable cycle life. A general method for the synthesis of CMFNCs is described here. The redox‐mediated reaction between CFx and metal‐carbonyl precursors at relatively low temperatures leads to the formation of the respective CMFNCs. The reaction mechanism for the formation of CFx‐derived C–FeF2 nanocomposites has been investigated. Also, the synthesis and lithium‐storage properties of C–CoF2 and C–MoF3 nanocomposites are reported. In addition, by changing from CFx to graphite oxide and sulfur‐infused porous carbon, the synthesis of C–FeOx and C–FeS nanocomposites is reported. |
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| College: |
Faculty of Science and Engineering |
| Issue: |
1 |
| Start Page: |
201 |
| End Page: |
211 |