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International Journal of Molecular Sciences, volume 24, issue 7, pages 6860

Electrochemical Behavior of Reduced Graphene Oxide Supported Germanium Oxide, Germanium Nitride, and Germanium Phosphide as Lithium-Ion Battery Anodes Obtained from Highly Soluble Germanium Oxide

Mikhaylov Alexey ¹

Medvedev Alexander G. ¹

Grishanov Dmitry A. ²

Fazliev Timur M ¹

Chernyshev Vasilii ¹

Melnik Elena A ¹

Tripolskaya Tatiana A ¹

Lev Ovadia ^{2, 3}

Prikhodchenko Petr V. ¹

Hide authors affiliations Show authors affiliations: 3 affiliations

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Prosp. 31, 119991 Moscow, Russia |

The Casali Center of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel |

The Harvey M. Krueger Family Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem 9190401, Israel |

Publication type: Journal Article

Publication date: 2023-04-06

Multidisciplinary Digital Publishing Institute (MDPI)

Journal: International Journal of Molecular Sciences

Quartile SCImago

Quartile WOS

Impact factor: 5.6

ISSN: 16616596, 14220067

DOI: 10.3390/ijms24076860

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PubMed ID: 37047833

Catalysis

Organic Chemistry

Inorganic Chemistry

Physical and Theoretical Chemistry

Computer Science Applications

Spectroscopy

Molecular Biology

General Medicine

Abstract

Germanium and germanium-based compounds are widely used in microelectronics, optics, solar cells, and sensors. Recently, germanium and its oxides, nitrides, and phosphides have been studied as active electrode materials in lithium- and sodium-ion battery anodes. Herein, the newly introduced highly soluble germanium oxide (HSGO) was used as a versatile precursor for germanium-based functional materials. In the first stage, a germanium-dioxide-reduced graphene oxide (rGO) composite was obtained by complete precipitation of GeO2 nanoparticles on the GO from an aqueous solution of HSGO and subsequent thermal treatment in argon at low temperature. The composition of the composite, GeO2-rGO (20 to 80 wt.% of crystalline phase), was able to be accurately determined by the HSGO to GO ratio in the initial solution since complete deposition and precipitation were achieved. The chemical activity of germanium dioxide nanoparticles deposited on reduced graphene oxide was shown by conversion to rGO-supported germanium nitride and phosphide phases. The GeP-rGO and Ge3N4-rGO composites with different morphologies were prepared in this study for the first time. As a test case, composite materials with different loadings of GeO2, GeP, and Ge3N4 were evaluated as lithium-ion battery anodes. Reversible conversion–alloying was demonstrated in all cases, and for the low-germanium loading range (20 wt.%), almost theoretical charge capacity based on the germanium content was attained at 100 mA g−1 (i.e., 2595 vs. 2465 mAh g−1 for Ge3N4 and 1790 vs. 1850 mAh g−1 for GeP). The germanium oxide was less efficiently exploited due to its lower conversion reversibility.

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International Journal of Molecular Sciences	International Journal of Molecular Sciences, 1, 33.33% International Journal of Molecular Sciences 1 publication, 33.33%
International Journal of Quantum Chemistry	International Journal of Quantum Chemistry, 1, 33.33% International Journal of Quantum Chemistry 1 publication, 33.33%
Journal of Colloid and Interface Science	Journal of Colloid and Interface Science, 1, 33.33% Journal of Colloid and Interface Science 1 publication, 33.33%
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Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 1, 33.33% Multidisciplinary Digital Publishing Institute (MDPI) 1 publication, 33.33%
Wiley	Wiley, 1, 33.33% Wiley 1 publication, 33.33%
Elsevier	Elsevier, 1, 33.33% Elsevier 1 publication, 33.33%
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Mikhaylov A. et al. Electrochemical Behavior of Reduced Graphene Oxide Supported Germanium Oxide, Germanium Nitride, and Germanium Phosphide as Lithium-Ion Battery Anodes Obtained from Highly Soluble Germanium Oxide // International Journal of Molecular Sciences. 2023. Vol. 24. No. 7. p. 6860.

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Mikhaylov A., Medvedev A. G., Grishanov D. A., Fazliev T. M., Chernyshev V., Melnik E. A., Tripolskaya T. A., Lev O., Prikhodchenko P. V. Electrochemical Behavior of Reduced Graphene Oxide Supported Germanium Oxide, Germanium Nitride, and Germanium Phosphide as Lithium-Ion Battery Anodes Obtained from Highly Soluble Germanium Oxide // International Journal of Molecular Sciences. 2023. Vol. 24. No. 7. p. 6860.

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RIS Copy

TY - JOUR

DO - 10.3390/ijms24076860

UR - https://doi.org/10.3390%2Fijms24076860

TI - Electrochemical Behavior of Reduced Graphene Oxide Supported Germanium Oxide, Germanium Nitride, and Germanium Phosphide as Lithium-Ion Battery Anodes Obtained from Highly Soluble Germanium Oxide

T2 - International Journal of Molecular Sciences

AU - Mikhaylov, Alexey

AU - Medvedev, Alexander G.

AU - Grishanov, Dmitry A.

AU - Fazliev, Timur M

AU - Chernyshev, Vasilii

AU - Melnik, Elena A

AU - Tripolskaya, Tatiana A

AU - Lev, Ovadia

AU - Prikhodchenko, Petr V.

PY - 2023

DA - 2023/04/06 00:00:00

PB - Multidisciplinary Digital Publishing Institute (MDPI)

SP - 6860

IS - 7

VL - 24

PMID - 37047833

SN - 1661-6596

SN - 1422-0067

ER -

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@article{2023_Mikhaylov,

author = {Alexey Mikhaylov and Alexander G. Medvedev and Dmitry A. Grishanov and Timur M Fazliev and Vasilii Chernyshev and Elena A Melnik and Tatiana A Tripolskaya and Ovadia Lev and Petr V. Prikhodchenko},

title = {Electrochemical Behavior of Reduced Graphene Oxide Supported Germanium Oxide, Germanium Nitride, and Germanium Phosphide as Lithium-Ion Battery Anodes Obtained from Highly Soluble Germanium Oxide},

journal = {International Journal of Molecular Sciences},

year = {2023},

volume = {24},

publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},

month = {apr},

url = {https://doi.org/10.3390%2Fijms24076860},

number = {7},

pages = {6860},

doi = {10.3390/ijms24076860}

}

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Mikhaylov, Alexey, et al. “Electrochemical Behavior of Reduced Graphene Oxide Supported Germanium Oxide, Germanium Nitride, and Germanium Phosphide as Lithium-Ion Battery Anodes Obtained from Highly Soluble Germanium Oxide.” International Journal of Molecular Sciences, vol. 24, no. 7, Apr. 2023, p. 6860. https://doi.org/10.3390%2Fijms24076860.

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