Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storage
Abstract Antimony (Sb) anodes explored for high energy density sodium cells are prone to rapid capacity decay during (de)alloying owing to reversible phase transformation (Sb⇌Na3Sb) induced volume expansion necessitates rationale materials and electrode design. Herein, we design a yolk‐shell structu...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley-VCH
2021-02-01
|
| Series: | Nano Select |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/nano.202000171 |
| _version_ | 1819009115216674816 |
|---|---|
| author | Love Dashairya Debasish Das Sambedan Jena Arijit Mitra Partha Saha |
| author_facet | Love Dashairya Debasish Das Sambedan Jena Arijit Mitra Partha Saha |
| author_sort | Love Dashairya |
| collection | DOAJ |
| description | Abstract Antimony (Sb) anodes explored for high energy density sodium cells are prone to rapid capacity decay during (de)alloying owing to reversible phase transformation (Sb⇌Na3Sb) induced volume expansion necessitates rationale materials and electrode design. Herein, we design a yolk‐shell structure where surfactant‐stabilized and pH modulated Sb nanoparticles (SbNPs) are carefully coated with Stöber silica and resorcinol‐formaldehyde resin at room temperature. Upon pyrolysis under argon followed by careful etching of the intermediate layer from Sb@SiO2@C double core‐shell leads to the formation of Sb@void@C yolk‐shell possessing SbNPs confined within mesoporous conductive carbon shells with sufficient void space allowing Sb to realize its full potential and display superior sodium storage behavior. Moreover, binder‐free electrodes fabricated by electrophoretic deposition deliver superior performance in a sodium cell with improved rate capability. A full cell fabricated with Prussian blue type NaxFe[Fe(CN)6] cathode paired with Sb@void@PC anode delivers a practical energy density of ∼142 Whkg–1 operating at ∼1.95 V. The favorable results of yolk‐shell Sb@void@C anodes in sodium‐ion battery demonstrate the structural superiority for future energy storage applications |
| first_indexed | 2024-12-21T00:51:14Z |
| format | Article |
| id | doaj.art-9705e304c9614880922a6ace79a02ba5 |
| institution | Directory Open Access Journal |
| issn | 2688-4011 |
| language | English |
| last_indexed | 2024-12-21T00:51:14Z |
| publishDate | 2021-02-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Nano Select |
| spelling | doaj.art-9705e304c9614880922a6ace79a02ba52022-12-21T19:21:24ZengWiley-VCHNano Select2688-40112021-02-012237338810.1002/nano.202000171Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storageLove Dashairya0Debasish Das1Sambedan Jena2Arijit Mitra3Partha Saha4Department of Ceramic Engineering National Institute of Technology Rourkela Odisha IndiaSchool of Nano Science and Technology Indian Institute of Technology Kharagpur West Bengal IndiaSchool of Nano Science and Technology Indian Institute of Technology Kharagpur West Bengal IndiaStructural Characterization of Materials Laboratory Department of Metallurgical and Materials Engineering Indian Institute of Technology Kharagpur West Bengal IndiaDepartment of Ceramic Engineering National Institute of Technology Rourkela Odisha IndiaAbstract Antimony (Sb) anodes explored for high energy density sodium cells are prone to rapid capacity decay during (de)alloying owing to reversible phase transformation (Sb⇌Na3Sb) induced volume expansion necessitates rationale materials and electrode design. Herein, we design a yolk‐shell structure where surfactant‐stabilized and pH modulated Sb nanoparticles (SbNPs) are carefully coated with Stöber silica and resorcinol‐formaldehyde resin at room temperature. Upon pyrolysis under argon followed by careful etching of the intermediate layer from Sb@SiO2@C double core‐shell leads to the formation of Sb@void@C yolk‐shell possessing SbNPs confined within mesoporous conductive carbon shells with sufficient void space allowing Sb to realize its full potential and display superior sodium storage behavior. Moreover, binder‐free electrodes fabricated by electrophoretic deposition deliver superior performance in a sodium cell with improved rate capability. A full cell fabricated with Prussian blue type NaxFe[Fe(CN)6] cathode paired with Sb@void@PC anode delivers a practical energy density of ∼142 Whkg–1 operating at ∼1.95 V. The favorable results of yolk‐shell Sb@void@C anodes in sodium‐ion battery demonstrate the structural superiority for future energy storage applicationshttps://doi.org/10.1002/nano.202000171anodeantimonyporous carbonsodium‐ion batteriesyolk‐shell |
| spellingShingle | Love Dashairya Debasish Das Sambedan Jena Arijit Mitra Partha Saha Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storage Nano Select anode antimony porous carbon sodium‐ion batteries yolk‐shell |
| title | Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storage |
| title_full | Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storage |
| title_fullStr | Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storage |
| title_full_unstemmed | Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storage |
| title_short | Controlled scalable synthesis of yolk‐shell antimony with porous carbon anode for superior Na‐ion storage |
| title_sort | controlled scalable synthesis of yolk shell antimony with porous carbon anode for superior na ion storage |
| topic | anode antimony porous carbon sodium‐ion batteries yolk‐shell |
| url | https://doi.org/10.1002/nano.202000171 |
| work_keys_str_mv | AT lovedashairya controlledscalablesynthesisofyolkshellantimonywithporouscarbonanodeforsuperiornaionstorage AT debasishdas controlledscalablesynthesisofyolkshellantimonywithporouscarbonanodeforsuperiornaionstorage AT sambedanjena controlledscalablesynthesisofyolkshellantimonywithporouscarbonanodeforsuperiornaionstorage AT arijitmitra controlledscalablesynthesisofyolkshellantimonywithporouscarbonanodeforsuperiornaionstorage AT parthasaha controlledscalablesynthesisofyolkshellantimonywithporouscarbonanodeforsuperiornaionstorage |