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Cyclic voltammetric study of tin hexacyanoferrate for aqueous battery applications


Puni tekst: engleski pdf 1.319 Kb

str. 225-233

preuzimanja: 1.764

citiraj


Sažetak

A hybrid composite containing 65 mass % of tin hexacyanoferrate mixed with 35 mass % of carbon nanotubes has been synthesized and its electrochemical behavior as a negative electrode in alkali metal-ion batteries has been studied in 1 mol L-1 aqueous solution of sodium sulfate. The specific capacity of pure tin hexacyanoferrate is 58 mAh g-1, whereas the specific capacity normalized per total electrode mass of the composite studied reaches 34 mAh g-1. The estimated maximal specific power of an aqueous alkali-metal ion battery with a tin hexacyanoferrate electrode is ca. 3.6 kW kg-1 being comparable to characteristics of industrial electric double-layer capacitors. The maximal specific energy accumulated by this battery may reach 25.6 Wh kg-1 at least three times exceeding the specific energy for supercapacitors.

Ključne riječi

aqueous alkali-metal-ion battery; tin hexacyanoferrate-based composite

Hrčak ID:

167037

URI

https://hrcak.srce.hr/167037

Datum izdavanja:

30.9.2016.

Posjeta: 2.175 *