Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries
Composite solid electrolytes (CSEs), composed of sodium superionic conductor (NASICON)-type Li<sub>1+x</sub>Al<sub>x</sub>Ti<sub>2‒x</sub>(PO<sub>4</sub>)<sub>3</sub> (LATP), poly (vinylidene fluoride-hexafluoro propylene) (PVDF-H...
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| Format: | Article |
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Multidisciplinary Digital Publishing Institute
2023
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| Online Access: | https://hdl.handle.net/1721.1/148017 |
| _version_ | 1811085094558892032 |
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| author | Sung, Po-Yu Lu, Mi Hsieh, Chien-Te Ashraf Gandomi, Yasser Gu, Siyong Liu, Wei-Ren |
| author2 | Massachusetts Institute of Technology. Department of Chemical Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Chemical Engineering Sung, Po-Yu Lu, Mi Hsieh, Chien-Te Ashraf Gandomi, Yasser Gu, Siyong Liu, Wei-Ren |
| author_sort | Sung, Po-Yu |
| collection | MIT |
| description | Composite solid electrolytes (CSEs), composed of sodium superionic conductor (NASICON)-type Li<sub>1+x</sub>Al<sub>x</sub>Ti<sub>2‒x</sub>(PO<sub>4</sub>)<sub>3</sub> (LATP), poly (vinylidene fluoride-hexafluoro propylene) (PVDF-HFP), and lithium bis (trifluoromethanesulfonyl)imide (LiTFSI) salt, are designed and fabricated for lithium-metal batteries. The effects of the key design parameters (i.e., LiTFSI/LATP ratio, CSE thickness, and carbon content) on the specific capacity, coulombic efficiency, and cyclic stability were systematically investigated. The optimal CSE configuration, superior specific capacity (~160 mAh g<sup>−1</sup>), low electrode polarization (~0.12 V), and remarkable cyclic stability (a capacity retention of 86.8%) were achieved during extended cycling (>200 cycles). In addition, with the optimal CSE structure, a high ionic conductivity (~2.83 × 10<sup>−4</sup> S cm<sup>−1</sup>) was demonstrated at an ambient temperature. The CSE configuration demonstrated in this work can be employed for designing highly durable CSEs with enhanced ionic conductivity and significantly reduced interfacial electrolyte/electrode resistance. |
| first_indexed | 2024-09-23T13:02:48Z |
| format | Article |
| id | mit-1721.1/148017 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T13:02:48Z |
| publishDate | 2023 |
| publisher | Multidisciplinary Digital Publishing Institute |
| record_format | dspace |
| spelling | mit-1721.1/1480172024-01-08T20:37:16Z Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries Sung, Po-Yu Lu, Mi Hsieh, Chien-Te Ashraf Gandomi, Yasser Gu, Siyong Liu, Wei-Ren Massachusetts Institute of Technology. Department of Chemical Engineering Composite solid electrolytes (CSEs), composed of sodium superionic conductor (NASICON)-type Li<sub>1+x</sub>Al<sub>x</sub>Ti<sub>2‒x</sub>(PO<sub>4</sub>)<sub>3</sub> (LATP), poly (vinylidene fluoride-hexafluoro propylene) (PVDF-HFP), and lithium bis (trifluoromethanesulfonyl)imide (LiTFSI) salt, are designed and fabricated for lithium-metal batteries. The effects of the key design parameters (i.e., LiTFSI/LATP ratio, CSE thickness, and carbon content) on the specific capacity, coulombic efficiency, and cyclic stability were systematically investigated. The optimal CSE configuration, superior specific capacity (~160 mAh g<sup>−1</sup>), low electrode polarization (~0.12 V), and remarkable cyclic stability (a capacity retention of 86.8%) were achieved during extended cycling (>200 cycles). In addition, with the optimal CSE structure, a high ionic conductivity (~2.83 × 10<sup>−4</sup> S cm<sup>−1</sup>) was demonstrated at an ambient temperature. The CSE configuration demonstrated in this work can be employed for designing highly durable CSEs with enhanced ionic conductivity and significantly reduced interfacial electrolyte/electrode resistance. 2023-02-10T16:15:28Z 2023-02-10T16:15:28Z 2023-02-06 2023-02-10T14:28:40Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/148017 Membranes 13 (2): 201 (2023) PUBLISHER_CC http://dx.doi.org/10.3390/membranes13020201 Creative Commons Attribution https://creativecommons.org/licenses/by/4.0/ application/pdf Multidisciplinary Digital Publishing Institute Multidisciplinary Digital Publishing Institute |
| spellingShingle | Sung, Po-Yu Lu, Mi Hsieh, Chien-Te Ashraf Gandomi, Yasser Gu, Siyong Liu, Wei-Ren Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries |
| title | Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries |
| title_full | Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries |
| title_fullStr | Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries |
| title_full_unstemmed | Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries |
| title_short | Sodium Super Ionic Conductor-Type Hybrid Electrolytes for High Performance Lithium Metal Batteries |
| title_sort | sodium super ionic conductor type hybrid electrolytes for high performance lithium metal batteries |
| url | https://hdl.handle.net/1721.1/148017 |
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