Exceptionally Reversible Li-/Na-Ion Storage and Ultrastable Solid-Electrolyte Interphase in Layered GeP5 Anode

Safa Haghighat-Shishavan, Masoud Nazarian-Samani, Mahboobeh Nazarian-Samani, Ha Kyung Roh, Kyung Yoon Chung, Si Hyoung Oh, Byung Won Cho, Seyed Farshid Kashani-Bozorg, Kwang Bum Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study, we synthesize two layered and amorphous structures of germanium phosphide (GeP5) and compare their electrochemical performances to better understand the role of layered, crystalline structures and their ability to control large volume expansions. We compare the results obtained with those of previous, conventional viewpoints addressing the effectiveness of amorphous phases in traditional anodes (Si, Ge, and Sn) to hinder electrode pulverization. By means of both comprehensive experimental characterizations and density functional theory calculations, we demonstrate that layered, crystalline GeP5 in a hybrid structure with multiwalled carbon nanotubes exhibits exceptionally good transport of electrons and electrolyte ions and tolerance to extensive volume changes and provides abundant reaction sites relative to an amorphous structure, resulting in a superior solid-electrolyte interphase layer and unprecedented initial Coulombic efficiencies in both Li-ion and Na-ion batteries. Moreover, the hybrid delivers excellent rate-capability (symmetric and asymmetric) performance and remarkable reversible discharge capacities, even at high current rates, realizing ultradurable cycles in both applications. The findings of this investigation are expected to offer insights into the design and application of layered materials in various devices.

Original languageEnglish
Pages (from-to)32815-32825
Number of pages11
JournalACS Applied Materials and Interfaces
Volume11
Issue number36
DOIs
Publication statusPublished - 2019 Sep 11

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Solid electrolytes
Anodes
Ions
Crystalline materials
Germanium
Multiwalled carbon nanotubes (MWCN)
Electrolytes
Density functional theory
Electrodes
Electrons

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Haghighat-Shishavan, S., Nazarian-Samani, M., Nazarian-Samani, M., Roh, H. K., Chung, K. Y., Oh, S. H., ... Kim, K. B. (2019). Exceptionally Reversible Li-/Na-Ion Storage and Ultrastable Solid-Electrolyte Interphase in Layered GeP5 Anode. ACS Applied Materials and Interfaces, 11(36), 32815-32825. https://doi.org/10.1021/acsami.9b05900
Haghighat-Shishavan, Safa ; Nazarian-Samani, Masoud ; Nazarian-Samani, Mahboobeh ; Roh, Ha Kyung ; Chung, Kyung Yoon ; Oh, Si Hyoung ; Cho, Byung Won ; Kashani-Bozorg, Seyed Farshid ; Kim, Kwang Bum. / Exceptionally Reversible Li-/Na-Ion Storage and Ultrastable Solid-Electrolyte Interphase in Layered GeP5 Anode. In: ACS Applied Materials and Interfaces. 2019 ; Vol. 11, No. 36. pp. 32815-32825.
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Haghighat-Shishavan, S, Nazarian-Samani, M, Nazarian-Samani, M, Roh, HK, Chung, KY, Oh, SH, Cho, BW, Kashani-Bozorg, SF & Kim, KB 2019, 'Exceptionally Reversible Li-/Na-Ion Storage and Ultrastable Solid-Electrolyte Interphase in Layered GeP5 Anode', ACS Applied Materials and Interfaces, vol. 11, no. 36, pp. 32815-32825. https://doi.org/10.1021/acsami.9b05900

Exceptionally Reversible Li-/Na-Ion Storage and Ultrastable Solid-Electrolyte Interphase in Layered GeP5 Anode. / Haghighat-Shishavan, Safa; Nazarian-Samani, Masoud; Nazarian-Samani, Mahboobeh; Roh, Ha Kyung; Chung, Kyung Yoon; Oh, Si Hyoung; Cho, Byung Won; Kashani-Bozorg, Seyed Farshid; Kim, Kwang Bum.

In: ACS Applied Materials and Interfaces, Vol. 11, No. 36, 11.09.2019, p. 32815-32825.

Research output: Contribution to journalArticle

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AU - Haghighat-Shishavan, Safa

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AU - Nazarian-Samani, Mahboobeh

AU - Roh, Ha Kyung

AU - Chung, Kyung Yoon

AU - Oh, Si Hyoung

AU - Cho, Byung Won

AU - Kashani-Bozorg, Seyed Farshid

AU - Kim, Kwang Bum

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N2 - In this study, we synthesize two layered and amorphous structures of germanium phosphide (GeP5) and compare their electrochemical performances to better understand the role of layered, crystalline structures and their ability to control large volume expansions. We compare the results obtained with those of previous, conventional viewpoints addressing the effectiveness of amorphous phases in traditional anodes (Si, Ge, and Sn) to hinder electrode pulverization. By means of both comprehensive experimental characterizations and density functional theory calculations, we demonstrate that layered, crystalline GeP5 in a hybrid structure with multiwalled carbon nanotubes exhibits exceptionally good transport of electrons and electrolyte ions and tolerance to extensive volume changes and provides abundant reaction sites relative to an amorphous structure, resulting in a superior solid-electrolyte interphase layer and unprecedented initial Coulombic efficiencies in both Li-ion and Na-ion batteries. Moreover, the hybrid delivers excellent rate-capability (symmetric and asymmetric) performance and remarkable reversible discharge capacities, even at high current rates, realizing ultradurable cycles in both applications. The findings of this investigation are expected to offer insights into the design and application of layered materials in various devices.

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Haghighat-Shishavan S, Nazarian-Samani M, Nazarian-Samani M, Roh HK, Chung KY, Oh SH et al. Exceptionally Reversible Li-/Na-Ion Storage and Ultrastable Solid-Electrolyte Interphase in Layered GeP5 Anode. ACS Applied Materials and Interfaces. 2019 Sep 11;11(36):32815-32825. https://doi.org/10.1021/acsami.9b05900