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- Publisher Website: 10.1002/aenm.202302393
- Scopus: eid_2-s2.0-85171859171
- WOS: WOS:001070624500001
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Article: P3-Na0.45Ni0.2Mn0.8O2/Na2SeO4 Heterostructure Enabling Long-Life and High-Rate Sodium-Ion Batteries
Title | P3-Na0.45Ni0.2Mn0.8O2/Na2SeO4 Heterostructure Enabling Long-Life and High-Rate Sodium-Ion Batteries |
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Authors | |
Keywords | cathodes heterostructures high conductivity P3 oxide sodium-ion batteries |
Issue Date | 24-Sep-2023 |
Publisher | Wiley |
Citation | Advanced Energy Materials, 2023, v. 13, n. 42 How to Cite? |
Abstract | Sodium-based layered oxide cathodes are competitive candidates for commercial sodium-ion batteries owing to their high theoretical capacities, low costs, and simple synthesis. P3-type layered oxides with large open channels enable fast Na+ transport and hence good rate performance. However, the lower crystal symmetry of P3-type oxides and variation of Na+ contents in the Na layer during desodiation/sodiation lead to large electrostatic repulsion changes between TMO2 slabs (TM=Transition Metal), resulting in irreversible phase transitions, and fast performance degradation. Herein, a potential Na+ conductor Na2SeO4 is first found that it can be easily in situ grown on P3-Na0.45Ni0.2Mn0.8O2 to form a novel heterostructure P3-Na0.45Ni0.2Mn0.8O2/Na2SeO4. The synergy between P3-Na0.45Ni0.2Mn0.8O2 and Na2SeO4 functions in promoting Na+ diffusion and suppressing P3-O3 phase transitions upon deep sodiation, which results in recorded high-rate capability (68.2% capacity retention with retained 83.9 mAh g-1 capacity at 6400 mA g(-1)) and superior cycling stability (capacity retention 75% after 1000 cycles) among all reported P3-type cathodes. Thus, it is believed that this novel heterostructure design opens a new pathway to promote practical applications for layered oxide cathodes in sodium-ion batteries. |
Persistent Identifier | http://hdl.handle.net/10722/339649 |
ISSN | 2023 Impact Factor: 24.4 2023 SCImago Journal Rankings: 8.748 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Song, TY | - |
dc.contributor.author | Wang, CC | - |
dc.contributor.author | Kang, L | - |
dc.contributor.author | Yao, WJ | - |
dc.contributor.author | Wang, HY | - |
dc.contributor.author | Chen, HG | - |
dc.contributor.author | Liu, Q | - |
dc.contributor.author | Lu, Y | - |
dc.contributor.author | Guan, ZQ | - |
dc.contributor.author | Zhu, AQ | - |
dc.contributor.author | Kang, TX | - |
dc.contributor.author | Tang, YB | - |
dc.contributor.author | Lee, CS | - |
dc.date.accessioned | 2024-03-11T10:38:15Z | - |
dc.date.available | 2024-03-11T10:38:15Z | - |
dc.date.issued | 2023-09-24 | - |
dc.identifier.citation | Advanced Energy Materials, 2023, v. 13, n. 42 | - |
dc.identifier.issn | 1614-6832 | - |
dc.identifier.uri | http://hdl.handle.net/10722/339649 | - |
dc.description.abstract | <p>Sodium-based layered oxide cathodes are competitive candidates for commercial sodium-ion batteries owing to their high theoretical capacities, low costs, and simple synthesis. P3-type layered oxides with large open channels enable fast Na+ transport and hence good rate performance. However, the lower crystal symmetry of P3-type oxides and variation of Na+ contents in the Na layer during desodiation/sodiation lead to large electrostatic repulsion changes between TMO2 slabs (TM=Transition Metal), resulting in irreversible phase transitions, and fast performance degradation. Herein, a potential Na+ conductor Na2SeO4 is first found that it can be easily in situ grown on P3-Na0.45Ni0.2Mn0.8O2 to form a novel heterostructure P3-Na0.45Ni0.2Mn0.8O2/Na2SeO4. The synergy between P3-Na0.45Ni0.2Mn0.8O2 and Na2SeO4 functions in promoting Na+ diffusion and suppressing P3-O3 phase transitions upon deep sodiation, which results in recorded high-rate capability (68.2% capacity retention with retained 83.9 mAh g-1 capacity at 6400 mA g(-1)) and superior cycling stability (capacity retention 75% after 1000 cycles) among all reported P3-type cathodes. Thus, it is believed that this novel heterostructure design opens a new pathway to promote practical applications for layered oxide cathodes in sodium-ion batteries.</p> | - |
dc.language | eng | - |
dc.publisher | Wiley | - |
dc.relation.ispartof | Advanced Energy Materials | - |
dc.subject | cathodes | - |
dc.subject | heterostructures | - |
dc.subject | high conductivity | - |
dc.subject | P3 oxide | - |
dc.subject | sodium-ion batteries | - |
dc.title | P3-Na0.45Ni0.2Mn0.8O2/Na2SeO4 Heterostructure Enabling Long-Life and High-Rate Sodium-Ion Batteries | - |
dc.type | Article | - |
dc.identifier.doi | 10.1002/aenm.202302393 | - |
dc.identifier.scopus | eid_2-s2.0-85171859171 | - |
dc.identifier.volume | 13 | - |
dc.identifier.issue | 42 | - |
dc.identifier.eissn | 1614-6840 | - |
dc.identifier.isi | WOS:001070624500001 | - |
dc.publisher.place | WEINHEIM | - |
dc.identifier.issnl | 1614-6832 | - |