An aluminum-doped sodium manganese hexacyano ferrate cathode for high-rate safe Na-ion batteries†
P. Mohana
Sundaram, 
ab
S. K.
Vineeth,
cd
Soumyashree
Das Adhikari,
e
P.
Sennu,
b
Chhail Bihari
Soni,
a
Sungjemmenla,
a
ab
S. K.
Vineeth,
cd
Soumyashree
Das Adhikari,
e
P.
Sennu,
b
Chhail Bihari
Soni,
a
Sungjemmenla,
a
Abstract
Aluminum (Al) doping in sodium manganese hexa-cyano-ferrate (NMHCF) stabilizes the cubic phase and suppresses multiphase formation. Doping reduces the particle size (∼0.35 μm), catalyzing the rate kinetics. Further Al-doping promotes aluminum-oxy-fluoride formation at the cathode electrolyte interphase for water in salt electrolytes, enabling safer, high-rate Na-ion battery performance.
- This article is part of the themed collection: Chemistry at the Forefront of the Sustainable Energy Transition
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