Journal Article FZJ-2023-02942

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Synthesis-Controlled Polymorphism and Anion Solubility in the Sodium-Ion Conductor $Na_{3}InCl_{6–x}Br_x$ (0 ≤ $x$ ≤ 2)

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2023
American Chemical Society Washington, DC

Inorganic chemistry 62(30), 11737 - 11745 () [10.1021/acs.inorgchem.3c01579]

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Abstract: Motivated by the significant transport property improvement of the anion-substituted lithium metal halides, a series of anion mixed solid solutions of Na3InCl6–xBrx (0 ≤ x ≤ 2) are successfully synthesized by ball milling and subsequent annealing. By milling, the Na3InCl6–xBrx solid solution series crystallizes in a monoclinic P21/n phase, while the subsequently annealed Na3InCl6–xBrx series transforms into a trigonal P3̅1c phase. Through annealing and changes of the structure type, greater anion solubility can be achieved. The halide substitution slightly improves the ionic conductivity in the Na3InCl6–xBrx series, indicating that mixed halide compositions and their structural changes affect the ionic transport albeit less strongly than in the lithium analogues such as Li3YCl6–xBrx and Li3InCl6–xBrx.

Classification:

Contributing Institute(s):
  1. Helmholtz-Institut Münster Ionenleiter für Energiespeicher (IEK-12)
Research Program(s):
  1. 1221 - Fundamentals and Materials (POF4-122) (POF4-122)

Appears in the scientific report 2023
Database coverage:
Medline ; Embargoed OpenAccess ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; NationallizenzNationallizenz ; SCOPUS ; Web of Science Core Collection
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 Record created 2023-08-01, last modified 2024-07-12


Published on 2023-07-17. Available in OpenAccess from 2024-07-17.:
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