Li-substituted layered spinel cathode materials for sodium ion batteries
Abstract
Systems, methods, and compositions are disclosed for a Li-substituted layered-tunneled O3/spinel Na(NixFeyMnz)O2 cathode material, Na0.87Li0.25Ni0.4Fe0.2Mn0.4O2+∂ (LS-NFM) for enhanced sodium ion storage and cycling stability. The LS-NFM electrode is prepared by adjusting the stoichiometric ratio of the Na ion over the sum of Li and transition metal ions below 1. The Rietveld refinement of XRD data indicates that the cathode is composed of 94% layered and 6% spinel components. When cycled at a high current density of 100 mA g−1, LS-NFM cathode exhibited a first-cycle Coulombic efficiency of 88% and reversible discharge capacity of 107 mAh g−1 after 50 cycles with the capacity retention of 95%.
- Inventors:
- Issue Date:
- Research Org.:
- Boise State Univ., ID (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1860033
- Patent Number(s):
- 11165064
- Application Number:
- 16/594,235
- Assignee:
- Boise State University (Boise, ID)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- DOE Contract Number:
- SC0019121
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 10/07/2019
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Xiong, Hui, Deng, Changjian, and Xu, Jing. Li-substituted layered spinel cathode materials for sodium ion batteries. United States: N. p., 2021.
Web.
Xiong, Hui, Deng, Changjian, & Xu, Jing. Li-substituted layered spinel cathode materials for sodium ion batteries. United States.
Xiong, Hui, Deng, Changjian, and Xu, Jing. Tue .
"Li-substituted layered spinel cathode materials for sodium ion batteries". United States. https://www.osti.gov/servlets/purl/1860033.
@article{osti_1860033,
title = {Li-substituted layered spinel cathode materials for sodium ion batteries},
author = {Xiong, Hui and Deng, Changjian and Xu, Jing},
abstractNote = {Systems, methods, and compositions are disclosed for a Li-substituted layered-tunneled O3/spinel Na(NixFeyMnz)O2 cathode material, Na0.87Li0.25Ni0.4Fe0.2Mn0.4O2+∂ (LS-NFM) for enhanced sodium ion storage and cycling stability. The LS-NFM electrode is prepared by adjusting the stoichiometric ratio of the Na ion over the sum of Li and transition metal ions below 1. The Rietveld refinement of XRD data indicates that the cathode is composed of 94% layered and 6% spinel components. When cycled at a high current density of 100 mA g−1, LS-NFM cathode exhibited a first-cycle Coulombic efficiency of 88% and reversible discharge capacity of 107 mAh g−1 after 50 cycles with the capacity retention of 95%.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 02 00:00:00 EDT 2021},
month = {Tue Nov 02 00:00:00 EDT 2021}
}
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