Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance

Novel materials with high lithium-storage capacities are indispensable to substantially increase the gravimetric and volumetric energy densities of lithium-ion batteries. In this context, metal thiophosphites (MTPs) possessing a layered structure are considered ideal candidates to serve as alkali-io...

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Main Authors: Edison, Eldho, Chaturvedi, Apoorva, Ren, Hao, Sreejith, Sivaramapanicker, Lim, Chwee Teck, Madhavi, Srinivasan
Other Authors: School of Materials Science and Engineering
Format: Article
Language:English
Published: 2020
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Online Access:https://hdl.handle.net/10356/143379
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Institution: Nanyang Technological University
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spelling sg-ntu-dr.10356-1433792023-07-14T15:59:20Z Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance Edison, Eldho Chaturvedi, Apoorva Ren, Hao Sreejith, Sivaramapanicker Lim, Chwee Teck Madhavi, Srinivasan School of Materials Science and Engineering Engineering::Materials Batteries Energy Storage Novel materials with high lithium-storage capacities are indispensable to substantially increase the gravimetric and volumetric energy densities of lithium-ion batteries. In this context, metal thiophosphites (MTPs) possessing a layered structure are considered ideal candidates to serve as alkali-ion hosts. Herein, the lithium storage properties of layered tin thiophosphite (SnPS3) crystals have been investigated in coin-cell configuration. The results reveal that SnPS3 undergoes a conversion and alloying reaction to deliver high lithiation capacities. The SnPS3 anode delivered a significant lithiation capacity of ∼800 mAh g-1 at a specific current of 100 mA g-1. Moreover, the layered structure was able to accommodate the volume changes upon (de)lithiation as evident from its excellent cycling stability. Additionally, the SnPS3 anode demonstrated excellent rate capability as well and delivered ∼315 mAh g-1 at a high specific current of 2 A g-1. Furthermore, the lithium-storage mechanism was investigated through cyclic voltammetry and ex situ X-ray diffraction and X-ray photoelectron spectroscopy studies. Studies of SnPS3 anode in a full cell configuration by coupling with commercial LiNi0.33Co0.33Mn0.33O2 cathode are also presented. The outstanding electrochemical performance demonstrated by the SnPS3 anode calls for further research into this novel class of metal thiophosphites for energy storage applications. National Research Foundation (NRF) Accepted version National Research Foundation of Singapore (NRF) Investigatorship award number NRF2016NRF-NRFI001-22. 2020-08-28T06:47:26Z 2020-08-28T06:47:26Z 2018 Journal Article Edison, E., Chaturvedi, A., Ren, H., Sreejith, S., Lim, C. T., & Madhavi, S. (2018). Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance. ACS Applied Energy Materials, 1(10), 5772-5778. doi:10.1021/acsaem.8b01357 2574-0962 https://hdl.handle.net/10356/143379 10.1021/acsaem.8b01357 2-s2.0-85063088138 10 1 5772 5778 en National Research Foundation of Singapore (NRF) Investigatorship award number NRF2016NRF-NRFI001-22. ACS Applied Energy Materials This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Energy Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsaem.8b01357 application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Materials
Batteries
Energy Storage
spellingShingle Engineering::Materials
Batteries
Energy Storage
Edison, Eldho
Chaturvedi, Apoorva
Ren, Hao
Sreejith, Sivaramapanicker
Lim, Chwee Teck
Madhavi, Srinivasan
Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance
description Novel materials with high lithium-storage capacities are indispensable to substantially increase the gravimetric and volumetric energy densities of lithium-ion batteries. In this context, metal thiophosphites (MTPs) possessing a layered structure are considered ideal candidates to serve as alkali-ion hosts. Herein, the lithium storage properties of layered tin thiophosphite (SnPS3) crystals have been investigated in coin-cell configuration. The results reveal that SnPS3 undergoes a conversion and alloying reaction to deliver high lithiation capacities. The SnPS3 anode delivered a significant lithiation capacity of ∼800 mAh g-1 at a specific current of 100 mA g-1. Moreover, the layered structure was able to accommodate the volume changes upon (de)lithiation as evident from its excellent cycling stability. Additionally, the SnPS3 anode demonstrated excellent rate capability as well and delivered ∼315 mAh g-1 at a high specific current of 2 A g-1. Furthermore, the lithium-storage mechanism was investigated through cyclic voltammetry and ex situ X-ray diffraction and X-ray photoelectron spectroscopy studies. Studies of SnPS3 anode in a full cell configuration by coupling with commercial LiNi0.33Co0.33Mn0.33O2 cathode are also presented. The outstanding electrochemical performance demonstrated by the SnPS3 anode calls for further research into this novel class of metal thiophosphites for energy storage applications.
author2 School of Materials Science and Engineering
author_facet School of Materials Science and Engineering
Edison, Eldho
Chaturvedi, Apoorva
Ren, Hao
Sreejith, Sivaramapanicker
Lim, Chwee Teck
Madhavi, Srinivasan
format Article
author Edison, Eldho
Chaturvedi, Apoorva
Ren, Hao
Sreejith, Sivaramapanicker
Lim, Chwee Teck
Madhavi, Srinivasan
author_sort Edison, Eldho
title Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance
title_short Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance
title_full Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance
title_fullStr Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance
title_full_unstemmed Route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance
title_sort route of irreversible transformation in layered tin thiophosphite and enhanced lithium storage performance
publishDate 2020
url https://hdl.handle.net/10356/143379
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