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Coating of SnO2-NiO nanoparticles with ultrathin graphite nanosheets as a high-performance anode material for lithium-ion batteries.
- Source :
- Ionics; Sep2023, Vol. 29 Issue 9, p3459-3471, 13p
- Publication Year :
- 2023
-
Abstract
- Large capacity, high rate, and long-term cycling stabilities have always been pursued by lithium-ion batteries (LIBs). In this work, the straightforward hydrothermal and high-speed ball milling programs were employed to create the SnO<subscript>2</subscript>-NiO-C anode material. NiO nanoparticles with unique hexagonal crystal structure are an ideal choice for ion cycling and embedding, which can stabilize the structure and prevent SnO<subscript>2</subscript> from becoming coarser. The graphite encapsulated in the outer layer can effectively prevent volume expansion during the cycling as well. From the research results, SnO<subscript>2</subscript>-NiO-C exhibits a significant reversible capacity of 1224.3 mAh g<superscript>−1</superscript> after 300 cycles at 0.2 A g<superscript>−1</superscript>, and after the fourth cycle, the coulombic efficiency remains above 97%. And it also possesses a long-term cycling stability of 820.1 mAh g<superscript>−1</superscript> after 1000 cycles at 1.0 A g<superscript>−1</superscript>. Also, a significant rate property can reach 507.1 mAh g<superscript>−1</superscript> even at 5.0 A g<superscript>−1</superscript>. Therefore, the SnO<subscript>2</subscript>-NiO-C anode material for LIBs is promising because of its excellent electrochemical performance. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09477047
- Volume :
- 29
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- Ionics
- Publication Type :
- Academic Journal
- Accession number :
- 169995571
- Full Text :
- https://doi.org/10.1007/s11581-023-05093-w