Room-Temperature Eutectic Synthesis for Upcycling of Cathode Materials
Ni-rich LiNi<sub>x</sub>Mn<sub>y</sub>Co<sub>1−x−y</sub>O<sub>2</sub> (NMC) materials have been adopted in a range of applications, including electric vehicles. The recycled NMC material from a spent cell would be much more valuable if it could be upgr...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-09-01
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| Series: | Batteries |
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| Online Access: | https://www.mdpi.com/2313-0105/9/10/498 |
| _version_ | 1797574774497476608 |
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| author | W. Blake Hawley Mengya Li Jianlin Li |
| author_facet | W. Blake Hawley Mengya Li Jianlin Li |
| author_sort | W. Blake Hawley |
| collection | DOAJ |
| description | Ni-rich LiNi<sub>x</sub>Mn<sub>y</sub>Co<sub>1−x−y</sub>O<sub>2</sub> (NMC) materials have been adopted in a range of applications, including electric vehicles. The recycled NMC material from a spent cell would be much more valuable if it could be upgraded to a Ni-rich, more energy-dense version of the material. This work demonstrates a simple, inexpensive, and facile method to upcycle LiNi<sub>1/3</sub>Mn<sub>1/3</sub>Co<sub>1/3</sub>O<sub>2</sub> (NMC111, 160 mAh∙g<sup>−1</sup>), a cathode used in early generations of electric vehicle batteries, to LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub> (NMC811, 190 mAh∙g<sup>−1</sup>), a more energy-dense cathode material. In this study, a preliminary investigation into a room-temperature eutectic synthesis of NMC811 is performed using NMC111, LiOH, and nickel nitrate as precursors. The synthesized material showed the desired crystal structure and stoichiometry, though the cycle life and Li diffusion coefficient need improvement when compared to commercially available NMC811. This study demonstrates an interesting proof of concept of the room-temperature eutectic synthesis process for LIB cathodes and could be improved by tuning the synthesis conditions. |
| first_indexed | 2024-03-10T21:26:55Z |
| format | Article |
| id | doaj.art-e95d8bbdefcf4350a431c4dda5b3e4b9 |
| institution | Directory Open Access Journal |
| issn | 2313-0105 |
| language | English |
| last_indexed | 2024-03-10T21:26:55Z |
| publishDate | 2023-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Batteries |
| spelling | doaj.art-e95d8bbdefcf4350a431c4dda5b3e4b92023-11-19T15:39:20ZengMDPI AGBatteries2313-01052023-09-0191049810.3390/batteries9100498Room-Temperature Eutectic Synthesis for Upcycling of Cathode MaterialsW. Blake Hawley0Mengya Li1Jianlin Li2Oak Ridge National Laboratory, Electrification and Energy Infrastructures Division, Oak Ridge, TN 37831, USAOak Ridge National Laboratory, Electrification and Energy Infrastructures Division, Oak Ridge, TN 37831, USAOak Ridge National Laboratory, Electrification and Energy Infrastructures Division, Oak Ridge, TN 37831, USANi-rich LiNi<sub>x</sub>Mn<sub>y</sub>Co<sub>1−x−y</sub>O<sub>2</sub> (NMC) materials have been adopted in a range of applications, including electric vehicles. The recycled NMC material from a spent cell would be much more valuable if it could be upgraded to a Ni-rich, more energy-dense version of the material. This work demonstrates a simple, inexpensive, and facile method to upcycle LiNi<sub>1/3</sub>Mn<sub>1/3</sub>Co<sub>1/3</sub>O<sub>2</sub> (NMC111, 160 mAh∙g<sup>−1</sup>), a cathode used in early generations of electric vehicle batteries, to LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub> (NMC811, 190 mAh∙g<sup>−1</sup>), a more energy-dense cathode material. In this study, a preliminary investigation into a room-temperature eutectic synthesis of NMC811 is performed using NMC111, LiOH, and nickel nitrate as precursors. The synthesized material showed the desired crystal structure and stoichiometry, though the cycle life and Li diffusion coefficient need improvement when compared to commercially available NMC811. This study demonstrates an interesting proof of concept of the room-temperature eutectic synthesis process for LIB cathodes and could be improved by tuning the synthesis conditions.https://www.mdpi.com/2313-0105/9/10/498eutectic synthesisroom-temperature synthesisNi-rich cathodebattery recyclinglithium-ion battery |
| spellingShingle | W. Blake Hawley Mengya Li Jianlin Li Room-Temperature Eutectic Synthesis for Upcycling of Cathode Materials Batteries eutectic synthesis room-temperature synthesis Ni-rich cathode battery recycling lithium-ion battery |
| title | Room-Temperature Eutectic Synthesis for Upcycling of Cathode Materials |
| title_full | Room-Temperature Eutectic Synthesis for Upcycling of Cathode Materials |
| title_fullStr | Room-Temperature Eutectic Synthesis for Upcycling of Cathode Materials |
| title_full_unstemmed | Room-Temperature Eutectic Synthesis for Upcycling of Cathode Materials |
| title_short | Room-Temperature Eutectic Synthesis for Upcycling of Cathode Materials |
| title_sort | room temperature eutectic synthesis for upcycling of cathode materials |
| topic | eutectic synthesis room-temperature synthesis Ni-rich cathode battery recycling lithium-ion battery |
| url | https://www.mdpi.com/2313-0105/9/10/498 |
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