Cumulative effects of doping on SnO structure and electrode performance for rechargeable sodium-ion batteries
Tin oxides are the most promising anode materials for sodium-ion batteries (SIBs) owing to their abundance and their multi-electron reactions, which ultimately provide a high theoretical capacity. However, the huge volume expansion and consequent stability issues of tin and tin oxide anodes have rel...
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Published in | New journal of chemistry Vol. 46; no. 45; pp. 21812 - 21822 |
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Main Authors | , , , , |
Format | Journal Article |
Published |
21.11.2022
|
Online Access | Get full text |
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Abstract | Tin oxides are the most promising anode materials for sodium-ion batteries (SIBs) owing to their abundance and their multi-electron reactions, which ultimately provide a high theoretical capacity. However, the huge volume expansion and consequent stability issues of tin and tin oxide anodes have relentlessly hindered their application in Na-ion batteries. To overcome these drawbacks, we present a facile strategy to prepare a non-metal-doped Sn
3
O
4
anode by facile hydrothermal route and the investigation of its sodium-ion storage performance. B-F@Sn
3
O
4
exhibits a triclinic structure with nanoflake morphology, length of 40100 nm, and thickness of 1015 nm. When applied as the anode material for SIBs, the resultant material exhibits excellent sodium-ion storage abilities in terms of cycling stability and high rate capability. In SIBs, the Sn
3
O
4
anode capacity was observed to be 732.8 mA h g
1
at a current density of 50 mA g
1
, and good cycling performance at 200 mA g
1
with a capacity retention of 77.5% after 120 cycles. Furthermore, the diffusion coefficients of the sodium ions calculated based on EIS measurements were observed to be in the range of 10
13
to 10
11
cm
2
s
1
, which reveals the admirable diffusion mobility of Na atoms in the Sn
3
O
4
nanoflakes. Moreover, a coin-type sodium-ion full cell consisting of the B-F@Sn
3
O
4
anode and a Na
3
V
2
(PO
4
)
3
cathode exhibited a capacity of 81.2 mA h g
1
at C/20. This study demonstrates that the Sn
3
O
4
is a promising anode material for SIBs. Thus, the B-F-doped Sn
3
O
4
material assembled by interconnected nanoflakes is capable of providing fast carrier transmission dynamics and outstanding structural integrity, suggesting the feasibility of the current framework for sodium-ion storage.
Interconnected nanoflakes of modified Sn
3
O
4
are capable of providing fast carrier transmission dynamics and outstanding structural integrity, suggesting the feasibility of the current framework for sodium-ion storage. |
---|---|
AbstractList | Tin oxides are the most promising anode materials for sodium-ion batteries (SIBs) owing to their abundance and their multi-electron reactions, which ultimately provide a high theoretical capacity. However, the huge volume expansion and consequent stability issues of tin and tin oxide anodes have relentlessly hindered their application in Na-ion batteries. To overcome these drawbacks, we present a facile strategy to prepare a non-metal-doped Sn
3
O
4
anode by facile hydrothermal route and the investigation of its sodium-ion storage performance. B-F@Sn
3
O
4
exhibits a triclinic structure with nanoflake morphology, length of 40100 nm, and thickness of 1015 nm. When applied as the anode material for SIBs, the resultant material exhibits excellent sodium-ion storage abilities in terms of cycling stability and high rate capability. In SIBs, the Sn
3
O
4
anode capacity was observed to be 732.8 mA h g
1
at a current density of 50 mA g
1
, and good cycling performance at 200 mA g
1
with a capacity retention of 77.5% after 120 cycles. Furthermore, the diffusion coefficients of the sodium ions calculated based on EIS measurements were observed to be in the range of 10
13
to 10
11
cm
2
s
1
, which reveals the admirable diffusion mobility of Na atoms in the Sn
3
O
4
nanoflakes. Moreover, a coin-type sodium-ion full cell consisting of the B-F@Sn
3
O
4
anode and a Na
3
V
2
(PO
4
)
3
cathode exhibited a capacity of 81.2 mA h g
1
at C/20. This study demonstrates that the Sn
3
O
4
is a promising anode material for SIBs. Thus, the B-F-doped Sn
3
O
4
material assembled by interconnected nanoflakes is capable of providing fast carrier transmission dynamics and outstanding structural integrity, suggesting the feasibility of the current framework for sodium-ion storage.
Interconnected nanoflakes of modified Sn
3
O
4
are capable of providing fast carrier transmission dynamics and outstanding structural integrity, suggesting the feasibility of the current framework for sodium-ion storage. |
Author | Chothe, Ujjwala P Kale, Bharat B Ugale, Chitra K Ambalkar, Anuradha A Kulkarni, Milind V |
AuthorAffiliation | Centre for Materials for Electronics Technology (C-MET) Ministry of Electronics and Information Technology (MeitY) Panchavati |
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DOI | 10.1039/d2nj03990g |
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