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Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries

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Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries. / Bucher, Nicolas; Hartung, Steffen; Gocheva, Irina et al.

In: Journal of Solid State Electrochemistry, Vol. 17, No. 7, 07.2013, p. 1923-1929.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Bucher, N, Hartung, S, Gocheva, I, Cheah, YL, Srinivasan, M & Hoster, HE 2013, 'Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries', Journal of Solid State Electrochemistry, vol. 17, no. 7, pp. 1923-1929. https://doi.org/10.1007/s10008-013-2047-x

APA

Bucher, N., Hartung, S., Gocheva, I., Cheah, Y. L., Srinivasan, M., & Hoster, H. E. (2013). Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries. Journal of Solid State Electrochemistry, 17(7), 1923-1929. https://doi.org/10.1007/s10008-013-2047-x

Vancouver

Bucher N, Hartung S, Gocheva I, Cheah YL, Srinivasan M, Hoster HE. Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries. Journal of Solid State Electrochemistry. 2013 Jul;17(7):1923-1929. doi: 10.1007/s10008-013-2047-x

Author

Bucher, Nicolas ; Hartung, Steffen ; Gocheva, Irina et al. / Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries. In: Journal of Solid State Electrochemistry. 2013 ; Vol. 17, No. 7. pp. 1923-1929.

Bibtex

@article{abf3d6ac5df544a09ca0f3cf99741e6b,
title = "Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries",
abstract = "We report on the electrochemical properties of layered manganese oxides, with and without cobalt substituents, as cathodes in sodium ion batteries. We fabricated sub-micrometre-sized particles of Na0.7MnO2 + z and Na0.7Co0.11Mn0.89O2 + z via combustion synthesis. X-ray diffraction revealed the same layered hexagonal P2-type bronze structure with high crystallinity for both materials. Potentiostatic and galvanostatic charge/discharge cycles in the range 1.5-3.8 V vs. Na | Na+ were performed to identify potential-dependent phase transitions, capacity, and capacity retention. After charging to 3.8 V, both materials had an initial discharge capacity of 138 mA h g(-1) at a rate of 0.3 C. For the 20th cycle, those values reduced to 75 and 92 mA h g(-1) for Co-free and Co-doped samples, respectively. Our findings indicate that earlier works probably underestimated the potential of (doped) P2-type Na0.7MnO2 + z as cathode material for sodium ion batteries in terms of capacity and cycle stability. Apart from doping, a simple optimization parameter seems to be the particle size of the active material.",
keywords = "RECHARGEABLE LITHIUM BATTERIES, INTERCALATION ELECTRODES, ELECTROCHEMICAL-BEHAVIOR, ENERGY-STORAGE, NA, PHASE, CHALLENGES, SUBSTITUTION, DIFFRACTION, PERFORMANCE",
author = "Nicolas Bucher and Steffen Hartung and Irina Gocheva and Cheah, {Yan L.} and Madhavi Srinivasan and Hoster, {Harry E.}",
year = "2013",
month = jul,
doi = "10.1007/s10008-013-2047-x",
language = "English",
volume = "17",
pages = "1923--1929",
journal = "Journal of Solid State Electrochemistry",
issn = "1432-8488",
publisher = "Springer Verlag",
number = "7",

}

RIS

TY - JOUR

T1 - Combustion-synthesized sodium manganese (cobalt) oxides as cathodes for sodium ion batteries

AU - Bucher, Nicolas

AU - Hartung, Steffen

AU - Gocheva, Irina

AU - Cheah, Yan L.

AU - Srinivasan, Madhavi

AU - Hoster, Harry E.

PY - 2013/7

Y1 - 2013/7

N2 - We report on the electrochemical properties of layered manganese oxides, with and without cobalt substituents, as cathodes in sodium ion batteries. We fabricated sub-micrometre-sized particles of Na0.7MnO2 + z and Na0.7Co0.11Mn0.89O2 + z via combustion synthesis. X-ray diffraction revealed the same layered hexagonal P2-type bronze structure with high crystallinity for both materials. Potentiostatic and galvanostatic charge/discharge cycles in the range 1.5-3.8 V vs. Na | Na+ were performed to identify potential-dependent phase transitions, capacity, and capacity retention. After charging to 3.8 V, both materials had an initial discharge capacity of 138 mA h g(-1) at a rate of 0.3 C. For the 20th cycle, those values reduced to 75 and 92 mA h g(-1) for Co-free and Co-doped samples, respectively. Our findings indicate that earlier works probably underestimated the potential of (doped) P2-type Na0.7MnO2 + z as cathode material for sodium ion batteries in terms of capacity and cycle stability. Apart from doping, a simple optimization parameter seems to be the particle size of the active material.

AB - We report on the electrochemical properties of layered manganese oxides, with and without cobalt substituents, as cathodes in sodium ion batteries. We fabricated sub-micrometre-sized particles of Na0.7MnO2 + z and Na0.7Co0.11Mn0.89O2 + z via combustion synthesis. X-ray diffraction revealed the same layered hexagonal P2-type bronze structure with high crystallinity for both materials. Potentiostatic and galvanostatic charge/discharge cycles in the range 1.5-3.8 V vs. Na | Na+ were performed to identify potential-dependent phase transitions, capacity, and capacity retention. After charging to 3.8 V, both materials had an initial discharge capacity of 138 mA h g(-1) at a rate of 0.3 C. For the 20th cycle, those values reduced to 75 and 92 mA h g(-1) for Co-free and Co-doped samples, respectively. Our findings indicate that earlier works probably underestimated the potential of (doped) P2-type Na0.7MnO2 + z as cathode material for sodium ion batteries in terms of capacity and cycle stability. Apart from doping, a simple optimization parameter seems to be the particle size of the active material.

KW - RECHARGEABLE LITHIUM BATTERIES

KW - INTERCALATION ELECTRODES

KW - ELECTROCHEMICAL-BEHAVIOR

KW - ENERGY-STORAGE

KW - NA

KW - PHASE

KW - CHALLENGES

KW - SUBSTITUTION

KW - DIFFRACTION

KW - PERFORMANCE

U2 - 10.1007/s10008-013-2047-x

DO - 10.1007/s10008-013-2047-x

M3 - Journal article

VL - 17

SP - 1923

EP - 1929

JO - Journal of Solid State Electrochemistry

JF - Journal of Solid State Electrochemistry

SN - 1432-8488

IS - 7

ER -