Chemical preintercalation synthesis approach for the formation of new layered tungsten oxides

Mallory Clites; Adam Blickley; David A. Cullen; Ekaterina Pomerantseva

doi:10.1007/s10853-022-07190-z

Chemical preintercalation synthesis approach for the formation of new layered tungsten oxides

Mallory Clites, Adam Blickley, David A. Cullen, Ekaterina Pomerantseva

Materials MicroAnalysis

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Abstract

Tungsten oxide, WO₃·nH₂O, is a unique layered oxide material that offers enhanced performance in electrochromic and energy storage applications. Herein, we report the formation of a new, never previously synthesized, Na-containing layered tungsten oxide phase, Na_0.20WO₃·0.81H₂O, using a chemical preintercalation approach. The structure and composition of this novel phase were investigated via microscopy, spectroscopy, and diffraction methods. Electrochemical cycling of Na_0.20WO₃·0.81H₂O electrodes revealed initial discharge capacities of 37.43 mAh g⁻¹, 480.8 mAh g⁻¹, and 253.2 mAh g⁻¹ in aqueous H₂SO₄ cells (potential window of − 0.2–0.8 V vs. Ag/AgCl), non-aqueous Li-ion cells (potential window of 0.1–4.0 V vs. Li/Li⁺), and non-aqueous Na-ion cells (potential window of 0.1–4.0 V vs. Na/Na⁺), respectively. Additionally, a reversible, pressure-induced color change from pale yellow to dark brown/black was observed for the Na_0.20WO₃·0.81H₂O sample when it was placed under pressures of 1000 psi or higher. Our results demonstrate the viability of chemical preintercalation synthesis approach to produce new oxide phases with interesting functional properties. Graphical abstract: [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	7814-7826
Number of pages	13
Journal	Journal of Materials Science
Volume	57
Issue number	16
DOIs	https://doi.org/10.1007/s10853-022-07190-z
State	Published - Apr 2022

Funding

We would like to thank the National Science Foundation (award numbers: DMR-1609272 and DMR-1752623) for funding. We acknowledge Drexel?s Centralized Research Facilities as well as Bryan Byles from the Materials Electrochemistry Group at Drexel for assistance with materials characterization. STEM imaging was conducted at the Center for Nanophase Materials Sciences, which is a DOE Office of Science User Facility. We would like to thank the National Science Foundation (award numbers: DMR-1609272 and DMR-1752623) for funding. We acknowledge Drexel’s Centralized Research Facilities as well as Bryan Byles from the Materials Electrochemistry Group at Drexel for assistance with materials characterization. STEM imaging was conducted at the Center for Nanophase Materials Sciences, which is a DOE Office of Science User Facility.

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title = "Chemical preintercalation synthesis approach for the formation of new layered tungsten oxides",

abstract = "Tungsten oxide, WO3·nH2O, is a unique layered oxide material that offers enhanced performance in electrochromic and energy storage applications. Herein, we report the formation of a new, never previously synthesized, Na-containing layered tungsten oxide phase, Na0.20WO3·0.81H2O, using a chemical preintercalation approach. The structure and composition of this novel phase were investigated via microscopy, spectroscopy, and diffraction methods. Electrochemical cycling of Na0.20WO3·0.81H2O electrodes revealed initial discharge capacities of 37.43 mAh g−1, 480.8 mAh g−1, and 253.2 mAh g−1 in aqueous H2SO4 cells (potential window of − 0.2–0.8 V vs. Ag/AgCl), non-aqueous Li-ion cells (potential window of 0.1–4.0 V vs. Li/Li+), and non-aqueous Na-ion cells (potential window of 0.1–4.0 V vs. Na/Na+), respectively. Additionally, a reversible, pressure-induced color change from pale yellow to dark brown/black was observed for the Na0.20WO3·0.81H2O sample when it was placed under pressures of 1000 psi or higher. Our results demonstrate the viability of chemical preintercalation synthesis approach to produce new oxide phases with interesting functional properties. Graphical abstract: [Figure not available: see fulltext.]",

author = "Mallory Clites and Adam Blickley and Cullen, \{David A.\} and Ekaterina Pomerantseva",

note = "Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.",

year = "2022",

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doi = "10.1007/s10853-022-07190-z",

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T1 - Chemical preintercalation synthesis approach for the formation of new layered tungsten oxides

AU - Clites, Mallory

AU - Blickley, Adam

AU - Cullen, David A.

AU - Pomerantseva, Ekaterina

PY - 2022/4

Y1 - 2022/4

N2 - Tungsten oxide, WO3·nH2O, is a unique layered oxide material that offers enhanced performance in electrochromic and energy storage applications. Herein, we report the formation of a new, never previously synthesized, Na-containing layered tungsten oxide phase, Na0.20WO3·0.81H2O, using a chemical preintercalation approach. The structure and composition of this novel phase were investigated via microscopy, spectroscopy, and diffraction methods. Electrochemical cycling of Na0.20WO3·0.81H2O electrodes revealed initial discharge capacities of 37.43 mAh g−1, 480.8 mAh g−1, and 253.2 mAh g−1 in aqueous H2SO4 cells (potential window of − 0.2–0.8 V vs. Ag/AgCl), non-aqueous Li-ion cells (potential window of 0.1–4.0 V vs. Li/Li+), and non-aqueous Na-ion cells (potential window of 0.1–4.0 V vs. Na/Na+), respectively. Additionally, a reversible, pressure-induced color change from pale yellow to dark brown/black was observed for the Na0.20WO3·0.81H2O sample when it was placed under pressures of 1000 psi or higher. Our results demonstrate the viability of chemical preintercalation synthesis approach to produce new oxide phases with interesting functional properties. Graphical abstract: [Figure not available: see fulltext.]

AB - Tungsten oxide, WO3·nH2O, is a unique layered oxide material that offers enhanced performance in electrochromic and energy storage applications. Herein, we report the formation of a new, never previously synthesized, Na-containing layered tungsten oxide phase, Na0.20WO3·0.81H2O, using a chemical preintercalation approach. The structure and composition of this novel phase were investigated via microscopy, spectroscopy, and diffraction methods. Electrochemical cycling of Na0.20WO3·0.81H2O electrodes revealed initial discharge capacities of 37.43 mAh g−1, 480.8 mAh g−1, and 253.2 mAh g−1 in aqueous H2SO4 cells (potential window of − 0.2–0.8 V vs. Ag/AgCl), non-aqueous Li-ion cells (potential window of 0.1–4.0 V vs. Li/Li+), and non-aqueous Na-ion cells (potential window of 0.1–4.0 V vs. Na/Na+), respectively. Additionally, a reversible, pressure-induced color change from pale yellow to dark brown/black was observed for the Na0.20WO3·0.81H2O sample when it was placed under pressures of 1000 psi or higher. Our results demonstrate the viability of chemical preintercalation synthesis approach to produce new oxide phases with interesting functional properties. Graphical abstract: [Figure not available: see fulltext.]

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Chemical preintercalation synthesis approach for the formation of new layered tungsten oxides

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