Glucose-Treated Manganese Hexacyanoferrate for Sodium-Ion Secondary Battery

Manganese hexacyanoferrate (Mn-PBA) is a promising cathode material forsodium-ion secondary battery (SIB) with high average voltage (=3.4 V) against Na. Here,we find that the thermal decomposition of glucose modifies the surface state of Mn-PBA,without affecting the bulk crystal structure. The gluco...

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Veröffentlicht in:	Energies (Basel) 2015-09, Vol.8 (9), p.9486-9494
Hauptverfasser:	Moritomo, Yutaka, Goto, Kensuke, Shibata, Takayuki
Format:	Artikel
Sprache:	eng
Schlagworte:	Coordination polymers Crystal structure Discharge Electric potential Electrodes Glucose glucose treatment Investigations Manganese Polymers prussian blue analogues Scanning electron microscopy Science Sodium sodium-ion secondary battery Storage batteries surface modification Voltage
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Zusammenfassung:	Manganese hexacyanoferrate (Mn-PBA) is a promising cathode material forsodium-ion secondary battery (SIB) with high average voltage (=3.4 V) against Na. Here,we find that the thermal decomposition of glucose modifies the surface state of Mn-PBA,without affecting the bulk crystal structure. The glucose treatment significantly improves therate properties of Mn-PBA in SIB. The critical discharge rate increases from 1 C (as-grown)to 15 C (glucose-treated). Our observation suggests that thermal treatment is quite effectivefor insulating coordination polymers.
ISSN:	1996-1073 1996-1073
DOI:	10.3390/en8099486