Integration of Carbon-Doped ZnO/S Cathode and Silicon/Graphene Nanoplate Anode for Silicon-Sulfur Batteries

Navid Aslfattahi; Maryam Sadat Kiai; Nilgun Baydogan; Lingenthiran Samylingam; Kumaran Kadirgama; Chee Kuang Kok

doi:10.1021/acsanm.5c00563

Integration of Carbon-Doped ZnO/S Cathode and Silicon/Graphene Nanoplate Anode for Silicon-Sulfur Batteries

Navid Aslfattahi^*, Maryam Sadat Kiai, Nilgun Baydogan, Lingenthiran Samylingam, Kumaran Kadirgama^*, Chee Kuang Kok

^*Corresponding author for this work

Energy Institute

Research output: Contribution to journal › Article › peer-review

Abstract

The advancement of modified anodes and cathodes for the next generation of sulfur-based batteries has become a prominent focus of research. This study introduces a methodology for the design and synthesis of silicon/graphene nanoplates (Si/GNPs) through a one-step hydrothermal process. Additionally, we suggest nanocomposite carbon-doped ZnO/S as a potential cathode material through the urea-assisted thermal decomposition of zinc acetate. C/ZnO/S has the special capability to alleviate volume change and hinder sulfur dissolution of the electrolyte. Additionally, ZnO possesses a superior distribution of sulfur in the ZnO/S composite and enhanced sulfur conversion reactions. This configuration of the cell is mentioned for the first time and shows an outstanding retention capacity of 916 mAh g^-1 after 500 cycles, indicating a minimal decay rate of merely 0.047% per cycle.

Original language	English
Journal	ACS Applied Nano Materials
DOIs	https://doi.org/10.1021/acsanm.5c00563
Publication status	Accepted/In press - 2025

Bibliographical note

Publisher Copyright:
© 2025 American Chemical Society.

Keywords

cycle stability
DFT calculations
rate performance
Si anode
ZnO cathode

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10.1021/acsanm.5c00563

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title = "Integration of Carbon-Doped ZnO/S Cathode and Silicon/Graphene Nanoplate Anode for Silicon-Sulfur Batteries",

abstract = "The advancement of modified anodes and cathodes for the next generation of sulfur-based batteries has become a prominent focus of research. This study introduces a methodology for the design and synthesis of silicon/graphene nanoplates (Si/GNPs) through a one-step hydrothermal process. Additionally, we suggest nanocomposite carbon-doped ZnO/S as a potential cathode material through the urea-assisted thermal decomposition of zinc acetate. C/ZnO/S has the special capability to alleviate volume change and hinder sulfur dissolution of the electrolyte. Additionally, ZnO possesses a superior distribution of sulfur in the ZnO/S composite and enhanced sulfur conversion reactions. This configuration of the cell is mentioned for the first time and shows an outstanding retention capacity of 916 mAh g-1 after 500 cycles, indicating a minimal decay rate of merely 0.047% per cycle.",

keywords = "cycle stability, DFT calculations, rate performance, Si anode, ZnO cathode",

author = "Navid Aslfattahi and Kiai, {Maryam Sadat} and Nilgun Baydogan and Lingenthiran Samylingam and Kumaran Kadirgama and Kok, {Chee Kuang}",

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doi = "10.1021/acsanm.5c00563",

language = "English",

journal = "ACS Applied Nano Materials",

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T1 - Integration of Carbon-Doped ZnO/S Cathode and Silicon/Graphene Nanoplate Anode for Silicon-Sulfur Batteries

AU - Aslfattahi, Navid

AU - Kiai, Maryam Sadat

AU - Baydogan, Nilgun

AU - Samylingam, Lingenthiran

AU - Kadirgama, Kumaran

AU - Kok, Chee Kuang

PY - 2025

Y1 - 2025

N2 - The advancement of modified anodes and cathodes for the next generation of sulfur-based batteries has become a prominent focus of research. This study introduces a methodology for the design and synthesis of silicon/graphene nanoplates (Si/GNPs) through a one-step hydrothermal process. Additionally, we suggest nanocomposite carbon-doped ZnO/S as a potential cathode material through the urea-assisted thermal decomposition of zinc acetate. C/ZnO/S has the special capability to alleviate volume change and hinder sulfur dissolution of the electrolyte. Additionally, ZnO possesses a superior distribution of sulfur in the ZnO/S composite and enhanced sulfur conversion reactions. This configuration of the cell is mentioned for the first time and shows an outstanding retention capacity of 916 mAh g-1 after 500 cycles, indicating a minimal decay rate of merely 0.047% per cycle.

AB - The advancement of modified anodes and cathodes for the next generation of sulfur-based batteries has become a prominent focus of research. This study introduces a methodology for the design and synthesis of silicon/graphene nanoplates (Si/GNPs) through a one-step hydrothermal process. Additionally, we suggest nanocomposite carbon-doped ZnO/S as a potential cathode material through the urea-assisted thermal decomposition of zinc acetate. C/ZnO/S has the special capability to alleviate volume change and hinder sulfur dissolution of the electrolyte. Additionally, ZnO possesses a superior distribution of sulfur in the ZnO/S composite and enhanced sulfur conversion reactions. This configuration of the cell is mentioned for the first time and shows an outstanding retention capacity of 916 mAh g-1 after 500 cycles, indicating a minimal decay rate of merely 0.047% per cycle.

KW - cycle stability

KW - DFT calculations

KW - rate performance

KW - Si anode

KW - ZnO cathode

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DO - 10.1021/acsanm.5c00563

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JF - ACS Applied Nano Materials

ER -

Integration of Carbon-Doped ZnO/S Cathode and Silicon/Graphene Nanoplate Anode for Silicon-Sulfur Batteries

Abstract

Bibliographical note

Keywords

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