Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °C
High-voltage lithium metal batteries based on high-nickel layered oxide cathodes are attractive due to their high energy density. However, they suffer from a severe decline in capacity at low temperatures, and the limited voltage range of low-temperature electrolytes fails to meet their application....
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| Language: | English |
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American Association for the Advancement of Science (AAAS)
2025-01-01
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| Series: | Energy Material Advances |
| Online Access: | https://spj.science.org/doi/10.34133/energymatadv.0138 |
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| author | Zhongsheng Wang Chunlei Zhu Jiandong Liu Shihan Qi Jianmin Ma |
| author_facet | Zhongsheng Wang Chunlei Zhu Jiandong Liu Shihan Qi Jianmin Ma |
| author_sort | Zhongsheng Wang |
| collection | DOAJ |
| description | High-voltage lithium metal batteries based on high-nickel layered oxide cathodes are attractive due to their high energy density. However, they suffer from a severe decline in capacity at low temperatures, and the limited voltage range of low-temperature electrolytes fails to meet their application. To address this issue, we developed low-temperature carbonated electrolytes for lithium metal batteries with robust LiPxOyFz- and LiF-rich Li+-conductive electrode–electrolyte interphases. The dual interphases with a LiPO2F2 additive could accelerate Li+ migration, reduce impedance, prevent electrolyte consumption, alleviate cathode degradation, and even mitigate the severe polarization of the Li anode at −50 °C. As a result, a 4.6-V Li||NCM811 cell with an optimized electrolyte sustained 160 cycles before reaching the 80% threshold and sustained a 92% capacity retention rate (139.9 mAh g−1) at 20 mA g−1/−30 °C after 50 cycles. Moreover, it could deliver 118 mAh g−1 even at 20 mA g−1/−50 °C. |
| format | Article |
| id | doaj-art-2c096a51d0484ad8a6e78b2e8d71053e |
| institution | Kabale University |
| issn | 2692-7640 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | American Association for the Advancement of Science (AAAS) |
| record_format | Article |
| series | Energy Material Advances |
| spelling | doaj-art-2c096a51d0484ad8a6e78b2e8d71053e2025-01-17T08:00:26ZengAmerican Association for the Advancement of Science (AAAS)Energy Material Advances2692-76402025-01-01610.34133/energymatadv.0138Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °CZhongsheng Wang0Chunlei Zhu1Jiandong Liu2Shihan Qi3Jianmin Ma4School of Chemistry, Tiangong University, Tianjin 300387, China.School of Physics and Electronics, Hunan University, Changsha 410082, China.School of Physics and Electronics, Hunan University, Changsha 410082, China.School of Physics and Electronics, Hunan University, Changsha 410082, China.School of Chemistry, Tiangong University, Tianjin 300387, China.High-voltage lithium metal batteries based on high-nickel layered oxide cathodes are attractive due to their high energy density. However, they suffer from a severe decline in capacity at low temperatures, and the limited voltage range of low-temperature electrolytes fails to meet their application. To address this issue, we developed low-temperature carbonated electrolytes for lithium metal batteries with robust LiPxOyFz- and LiF-rich Li+-conductive electrode–electrolyte interphases. The dual interphases with a LiPO2F2 additive could accelerate Li+ migration, reduce impedance, prevent electrolyte consumption, alleviate cathode degradation, and even mitigate the severe polarization of the Li anode at −50 °C. As a result, a 4.6-V Li||NCM811 cell with an optimized electrolyte sustained 160 cycles before reaching the 80% threshold and sustained a 92% capacity retention rate (139.9 mAh g−1) at 20 mA g−1/−30 °C after 50 cycles. Moreover, it could deliver 118 mAh g−1 even at 20 mA g−1/−50 °C.https://spj.science.org/doi/10.34133/energymatadv.0138 |
| spellingShingle | Zhongsheng Wang Chunlei Zhu Jiandong Liu Shihan Qi Jianmin Ma Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °C Energy Material Advances |
| title | Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °C |
| title_full | Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °C |
| title_fullStr | Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °C |
| title_full_unstemmed | Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °C |
| title_short | Electrolyte and Interphase Chemistry for 4.6-V Lithium Metal Batteries Operated below −30 °C |
| title_sort | electrolyte and interphase chemistry for 4 6 v lithium metal batteries operated below 30 °c |
| url | https://spj.science.org/doi/10.34133/energymatadv.0138 |
| work_keys_str_mv | AT zhongshengwang electrolyteandinterphasechemistryfor46vlithiummetalbatteriesoperatedbelow30c AT chunleizhu electrolyteandinterphasechemistryfor46vlithiummetalbatteriesoperatedbelow30c AT jiandongliu electrolyteandinterphasechemistryfor46vlithiummetalbatteriesoperatedbelow30c AT shihanqi electrolyteandinterphasechemistryfor46vlithiummetalbatteriesoperatedbelow30c AT jianminma electrolyteandinterphasechemistryfor46vlithiummetalbatteriesoperatedbelow30c |