2017
DOI: 10.1007/s11708-017-0485-3
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High purity Mn5O8 nanoparticles with a high overpotential to gas evolution reactions for high voltage aqueous sodium-ion electrochemical storage

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Cited by 20 publications
(16 citation statements)
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“…In the crystal structure of Mn 5 O 8 , a quarter of the cationic sites are vacant, and the [Mn 3 4+ O 8 ] 4− layers and Mn 2+ ions present in the interlayer space can improve the flexibility of the layered structure, 32 allowing the facile insertion of M n+ ions into the Mn 2+ sites of the bivalent Mn 5 O 8 structure. Owing to these unique features, Mn 5 O 8 can improve the efficiency of electrochemical batteries, as confirmed by previous studies on sodium ion and magnesium ion batteries 24,33 . In addition, the electrochemical performance of the cathode in a battery is influenced by several factors, including the particle size and chemical composition of the active materials constituting the cathode 34‐36 .…”
Section: Introductionsupporting
confidence: 53%
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“…In the crystal structure of Mn 5 O 8 , a quarter of the cationic sites are vacant, and the [Mn 3 4+ O 8 ] 4− layers and Mn 2+ ions present in the interlayer space can improve the flexibility of the layered structure, 32 allowing the facile insertion of M n+ ions into the Mn 2+ sites of the bivalent Mn 5 O 8 structure. Owing to these unique features, Mn 5 O 8 can improve the efficiency of electrochemical batteries, as confirmed by previous studies on sodium ion and magnesium ion batteries 24,33 . In addition, the electrochemical performance of the cathode in a battery is influenced by several factors, including the particle size and chemical composition of the active materials constituting the cathode 34‐36 .…”
Section: Introductionsupporting
confidence: 53%
“…Next, Mn 3 O 4 is gradually converted to Mn 5 O 8 at an intermediate temperature of 160°C, owing to its oxidation, as shown in Equation (). When the hydrothermal reaction is conducted at 180°C for 12 hours, almost all the Mn 3 O 4 particles are converted into pure Mn 5 O 8 (Equation ()) 33,43 . When the reaction temperature is increased further to 200°C, Mn 5 O 8 nanoparticles are converted to Mn 3 O 4 (Equation ()) because of the reductive decomposition of Mn 5 O 8 33,43 …”
Section: Resultsmentioning
confidence: 99%
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“…Aside from Li + ion intercalation, there have been other cation intercalation mechanisms utilised in the manganese oxide system [184][185][186]. Especially, aqueous sodium-ion battery (NIB) has been studied extensively [187][188][189][190][191][192]. Among various NIB systems, NaTi 2 (PO 4 ) 3 / Na 0.44 MnO 2 (NTP/NMO) full cell is known to have the highest specific and volumetric energy density [193,194].…”
Section: Na-ion Batterymentioning
confidence: 99%