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Title: Superior Na‐Storage Performance of Low‐Temperature‐Synthesized Na 3 (VO 1− x PO 4 ) 2 F 1+2 x (0≤ x ≤1) Nanoparticles for Na‐Ion Batteries (in German)

Journal Article · · Angewandte Chemie

Abstract Na‐ion batteries are becoming comparable to Li‐ion batteries because of their similar chemical characteristics and abundant sources of sodium. However, the materials production should be cost‐effective in order to meet the demand for large‐scale application. Here, a series of nanosized high‐performance cathode materials, Na 3 (VO 1− x PO 4 ) 2 F 1+2 x (0≤ x ≤1), has been synthesized by a solvothermal low‐temperature (60–120 °C) strategy without the use of organic ligands or surfactants. The as‐synthesized Na 3 (VOPO 4 ) 2 F nanoparticles show the best Na‐storage performance reported so far in terms of both high rate capability (up to 10 C rate) and long cycle stability over 1200 cycles. To the best of our knowledge, the current developed synthetic strategy for Na 3 (VO 1− x PO 4 ) 2 F 1+2 x is by far one of the least expensive and energy‐consuming methods, much superior to the conventional high‐temperature solid‐state method.

Sponsoring Organization:
USDOE
OSTI ID:
1786083
Journal Information:
Angewandte Chemie, Journal Name: Angewandte Chemie Vol. 127 Journal Issue: 34; ISSN 0044-8249
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
German

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