Aqueous/Nonaqueous Hybrid Electrolyte for Sodium-Ion Batteries

Aqueous/Nonaqueous Hybrid Electrolyte for Sodium-Ion Batteries

Here, we report an aqueous/nonaqueous hybrid electrolyte based on sodium trifluoromethanesulfonate with an expanded electrochemical window up to 2.8 V and high conductivity (∼25 mS cm–1 at 20 °C). The hybrid electrolyte inherits the safety characteristic of aqueous electrolytes and the electrochemic...

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Veröffentlicht in:ACS energy letters 2018-07, Vol.3 (7), p.1769-1770
Hauptverfasser: Zhang, Huang, Qin, Bingsheng, Han, Jin, Passerini, Stefano
Format: Artikel
Sprache:eng
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Zusammenfassung:Here, we report an aqueous/nonaqueous hybrid electrolyte based on sodium trifluoromethanesulfonate with an expanded electrochemical window up to 2.8 V and high conductivity (∼25 mS cm–1 at 20 °C). The hybrid electrolyte inherits the safety characteristic of aqueous electrolytes and the electrochemical stability of nonaqueous systems, enabling stable and reversible operation of the Na3V2(PO4)3/NaTi2(PO4)3 sodium-ion battery.
ISSN:2380-8195
2380-8195
DOI:10.1021/acsenergylett.8b00919