2017
DOI: 10.3390/nano7090253
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Electrochemical Properties of an Na4Mn9O18-Reduced Graphene Oxide Composite Synthesized via Spray Drying for an Aqueous Sodium-Ion Battery

Abstract: An aqueous sodium ion battery (ASIB) with metal Zn as anode and Na4Mn9O18-reduced graphene oxide (Na4Mn9O18-RGO) as cathode has been developed. In this work, spherical Na4Mn9O18-RGO composite particles were prepared via spray drying. The aqueous battery exhibits stable cyclability and high specific capacities. Typically, a high initial discharge capacity of 61.7 mAh·g−1 is attained at a high current rate of 4 C, and a stabilizing reversible capacity of 58.9 mAh·g−1 was obtained after 150 cycles. The network in… Show more

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Cited by 13 publications
(5 citation statements)
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“…With the global energy crisis, it has become increasingly urgent to develop high-performance electrical energy storage devices, such as lithium ion battery (LIB), sodium ion battery (NIB) and supercapacitor [ 1 , 2 , 3 , 4 , 5 ]. Due to their high theoretical specific capacities and conductivity, ternary alloy-based sulfides have been extensively studied as anode materials for rechargeable energy storage batteries [ 6 ].…”
Section: Introductionmentioning
confidence: 99%
“…With the global energy crisis, it has become increasingly urgent to develop high-performance electrical energy storage devices, such as lithium ion battery (LIB), sodium ion battery (NIB) and supercapacitor [ 1 , 2 , 3 , 4 , 5 ]. Due to their high theoretical specific capacities and conductivity, ternary alloy-based sulfides have been extensively studied as anode materials for rechargeable energy storage batteries [ 6 ].…”
Section: Introductionmentioning
confidence: 99%
“…f Rate capability of Na 4 Mn 9 O 18 and Na 4 Mn 9 O 18 -RGO electrodes. [ 105 ]. Copyright 2017, The authors.…”
Section: Mn-based Cathode Materialsmentioning
confidence: 99%
“…In addition, Na 4 Mn 9 O 18 (more commonly Na 0.44 MnO 2 ) materials were modified by RGO or CNT for enhancing their electrochemical performance. Yin et al prepared spherical Na 4 Mn 9 O 18 -RGO composites by spray-drying method [ 105 ]. The Na 4 Mn 9 O 18 -RGO electrode in 1 M Na 2 SO 4 + 0.5 M ZnSO 4 solution showed a discharge capacity of 61.7 mAh g − 1 at 4C in the first cycle (Fig.…”
Section: Mn-based Cathode Materialsmentioning
confidence: 99%
See 1 more Smart Citation
“…While we have recently introduced [15] a broad family of precursors for layered P2-Na x MO 2 oxides, the latter did not include Mn compounds. That said, the multi-source precursor approach has been successfully applied [16][17][18] for the hydrothermal preparation of Na 4 Mn 9 O 18 , though the product was found to be not a phase-pure.…”
Section: Introductionmentioning
confidence: 99%