Sodium vanadium oxide: A new material for high-performance symmetric sodium-ion batteries

Steffen Hartung; Nicolas Bucher; Vivek Sahadevan Nair; Cheah Yan Ling; Yuxi Wang; Harry E. Hoster; Madhavi Srinivasan

doi:10.1002/cphc.201402020

Sodium vanadium oxide: A new material for high-performance symmetric sodium-ion batteries

Steffen Hartung, Nicolas Bucher, Vivek Sahadevan Nair, Cheah Yan Ling, Yuxi Wang, Harry E. Hoster, Madhavi Srinivasan^*

^*Corresponding author for this work

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

52 Citations (Scopus)

Abstract

Room-temperature sodium-ion batteries have the potential to become the technology of choice for large-scale electrochemical energy storage because of the high sodium abundance and low costs. However, not many materials meet the performance requirements for practical applications. Here, we report a novel sodium-ion battery electrode material, Na_2.55V₆O ₁₆·0.6H₂O, that shows significant capacities and stabilities at high current rates up to 800 mAg^-1. X-ray photoelectron spectroscopy measurements are carried out to better understand the underlying reactions. Moreover, due to the different oxidation states of vanadium, this material can also be employed in a symmetric full cell, which would decrease production costs even further. For these full cells, capacity and stability tests are conducted using various cathode:anode mass ratios.

Original language	English
Pages (from-to)	2121-2128
Number of pages	8
Journal	ChemPhysChem
Volume	15
Issue number	10
DOIs	https://doi.org/10.1002/cphc.201402020
Publication status	Published - Jul 21 2014
Externally published	Yes

ASJC Scopus Subject Areas

Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry

Keywords

cathode materials
energy storage
sodium vanadium oxide
sodium-ion batteries
symmetric batteries

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10.1002/cphc.201402020

Cite this

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title = "Sodium vanadium oxide: A new material for high-performance symmetric sodium-ion batteries",

abstract = "Room-temperature sodium-ion batteries have the potential to become the technology of choice for large-scale electrochemical energy storage because of the high sodium abundance and low costs. However, not many materials meet the performance requirements for practical applications. Here, we report a novel sodium-ion battery electrode material, Na2.55V6O 16·0.6H2O, that shows significant capacities and stabilities at high current rates up to 800 mAg-1. X-ray photoelectron spectroscopy measurements are carried out to better understand the underlying reactions. Moreover, due to the different oxidation states of vanadium, this material can also be employed in a symmetric full cell, which would decrease production costs even further. For these full cells, capacity and stability tests are conducted using various cathode:anode mass ratios.",

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T2 - A new material for high-performance symmetric sodium-ion batteries

AU - Hartung, Steffen

AU - Bucher, Nicolas

AU - Nair, Vivek Sahadevan

AU - Ling, Cheah Yan

AU - Wang, Yuxi

AU - Hoster, Harry E.

AU - Srinivasan, Madhavi

PY - 2014/7/21

Y1 - 2014/7/21

N2 - Room-temperature sodium-ion batteries have the potential to become the technology of choice for large-scale electrochemical energy storage because of the high sodium abundance and low costs. However, not many materials meet the performance requirements for practical applications. Here, we report a novel sodium-ion battery electrode material, Na2.55V6O 16·0.6H2O, that shows significant capacities and stabilities at high current rates up to 800 mAg-1. X-ray photoelectron spectroscopy measurements are carried out to better understand the underlying reactions. Moreover, due to the different oxidation states of vanadium, this material can also be employed in a symmetric full cell, which would decrease production costs even further. For these full cells, capacity and stability tests are conducted using various cathode:anode mass ratios.

AB - Room-temperature sodium-ion batteries have the potential to become the technology of choice for large-scale electrochemical energy storage because of the high sodium abundance and low costs. However, not many materials meet the performance requirements for practical applications. Here, we report a novel sodium-ion battery electrode material, Na2.55V6O 16·0.6H2O, that shows significant capacities and stabilities at high current rates up to 800 mAg-1. X-ray photoelectron spectroscopy measurements are carried out to better understand the underlying reactions. Moreover, due to the different oxidation states of vanadium, this material can also be employed in a symmetric full cell, which would decrease production costs even further. For these full cells, capacity and stability tests are conducted using various cathode:anode mass ratios.

KW - cathode materials

KW - energy storage

KW - sodium vanadium oxide

KW - sodium-ion batteries

KW - symmetric batteries

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Sodium vanadium oxide: A new material for high-performance symmetric sodium-ion batteries

Abstract

ASJC Scopus Subject Areas

Keywords

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