Three-dimensional nickel nitride (Ni<sub>3</sub>N) nanosheets: free standing and flexible electrodes for lithium ion batteries and supercapacitors

Balogun, Muhammad‐Sadeeq; Zeng, Yinxiang; Qiu, Weitao; Luo, Ying; Onasanya, A.; Olaniyi, Titus Kehinde; Tong, Yexiang

doi:10.1039/c6ta02492k

Cited by 204 publications

(100 citation statements)

References 48 publications

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“…The excellent stability was suggested to be due to the exceptional durability of the Ni 3 N (106.6% capacity retention). [49] The activation process is very common to some energy storage electrode materials [50,51] and similar processes have been reported by Balogun et al [30] These processes can be attributed to the increased contact area between the electrode material and electrolyte caused by the slight volume expansion. [48] The post-SEM image of the Ni 3 N@Ni 3 S 2 electrode showed only slight cracks after 200 cycles, indicating its outstanding structural stability ( Figure S8a, Supporting Information).…”

Section: Lithium Storage Performancesupporting

confidence: 60%

“…[30] For the sulfuration process, 0.1 g Ni 3 N was dispersed in 7.0 mmol L −1 thiourea solution (20 mL) under vigorous stirring. [30] For the sulfuration process, 0.1 g Ni 3 N was dispersed in 7.0 mmol L −1 thiourea solution (20 mL) under vigorous stirring.…”

Section: Methodsmentioning

confidence: 99%

“…Nickel nitride (Ni 3 N) displays excellent conductivity that contributes to its outstanding performance in various field, such as lithium-ion batteries, [30] supercapacitors, [31] and electrocatalysis. [32] It also has the strongest pseudocapacitive characteristic compared to nickel oxide and sulfide because good conductivity materials usually exhibit excellent kinetics and higher pseudocapacitance [29] but deliver low storage capacity (i.e., diffusioncontrolled capacity) for lithium-ion batteries, especially at high current densities.…”

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confidence: 99%

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Phase Boundary Derived Pseudocapacitance Enhanced Nickel‐Based Composites for Electrochemical Energy Storage Devices

Long

Balogun

Luo

et al. 2017

Advanced Energy Materials

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trode materials for the replacement of the conventional graphite. [1][2][3][4][5][6] However, they suffer from a variety of problems such as poor conductivity for the oxides/ hydroxyls/sulfides and bad structural stability for the nitrides. [7][8][9][10][11] Some of the common methods used to solve the above problems include nanostructuring, [12] carbon coating, [13,14] mixing with carbonbased materials, [15,16] and the construction of TMC composites. [17,18] The preparation of TMC composites usually combines the advantages of each material, leading to synergistic effect. [19][20][21] According to the study by J. Maier, the phase interface present in a composite often leads to lattice mismatch and therefore creates more active sites for energy storage, enabling the electrodes to exceed their theoretical capacity. [22,23] Moreover, the lattice mismatch is also beneficial for the transformation of lithium ions and electrons, which could also result in the improved rate performance. On the other hand, the predominant pseudocapacitive processes in lithium-ion batteries make active materials show better rate capability. [24] Many electrode materials such as MoO 3 , [25] SnO, [26] and SnS [27] have been found with excellent pseudocapacitive characteristics both in lithium and sodiumion batteries because these materials store more energy at the surface or near surface of the material by Faradaic charge transfer. [1] Pseudocapacitance materials can either be intrinsic (i.e., storage properties not based on particle sizes and morphologies such as RuO 2 and MnO 2 ) or extrinsic (i.e., storage properties based on the preparation of porous or nanometersized active materials such as V 2 O 5 and MoO 2 ). [27] Moreover, pseudocapacitive contributions have been obtained in some insertion, conversion, and alloying reaction of individual or single electrode materials, while their application in composites has been less studied. [28] In view of advances of various TMC composite electrodes, it is highly challenging to study their relationship to pseudocapacitance contributions.Among the commonly reported electrode materials with pseudocapacitive properties, nickel-based materials (NiO, Ni 3 S 2 , and Ni 3 N) have attracted intense attention due to their low cost and theoretical capacity higher than that of conventional graphite. [29] Several strategies have been employed to improve the performance of energy storage devices through the development of new electrode materials. The construction of transition metal compound composite electrodes plays an important role in promoting the performance of energy storage devices. However, understandings of and insight into how to enhance the composites properties are rarely reported. Taking nickel-based compounds as an example, Ni 3 N@ Ni 3 S 2 hybrid nanosheets are reported as a high-performance anode material for lithium-ion batteries that delivers higher lithium storage properties than the pristine Ni 3 N and Ni 3 S 2 electrodes. This demonstrates that the phase boundaries between the Ni 3 N...

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Section: Lithium Storage Performancesupporting

confidence: 60%

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

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Phase Boundary Derived Pseudocapacitance Enhanced Nickel‐Based Composites for Electrochemical Energy Storage Devices

Long

Balogun

Luo

et al. 2017

Advanced Energy Materials

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129

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“…Lithium-ion batteries (LIBs) are regarded as promising power sources for their applications in portable electronic devices [1, 2]. Specifically, various aqueous LIB systems have been attracting growing attention due to their low cost, safety, and high-rate capability [3].…”

Section: Introductionmentioning

confidence: 99%

Na4Mn9O18/Carbon Nanotube Composite as a High Electrochemical Performance Material for Aqueous Sodium-Ion Batteries

et al. 2017

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The aqueous sodium-ion battery (ASIB) is one of the promising new energy storage systems owing to the abundant resources of sodium as well as efficiency and safety of electrolyte. Herein, we report an ASIB system with Na4Mn9O18/carbon nanotube (NMO/CNT) as cathode, metal Zn as anode and a novel Na+/Zn2+ mixed ion as electrolyte. The NMO/CNT with microspherical structure is prepared by a simple spray-drying method. The prepared battery delivers a high reversible specific capacity and stable cyclability. Furthermore, the battery displays a stable reversible discharge capacity of 53.2 mAh g−1 even at a high current rate of 4 C after 150 cycles. Our results confirm that the NMO/CNT composite is a promising electrode cathode material for ASIBs.

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“…Distinct from the charge storage mechanism of electrochemical double-layer capacitors (EDLCs), which stems from non-faradic electrostatic adsorption/desorption of electrolyte ions at the surfaces of carbon-based materials with relatively low intrinsic capacitance of 10-30 lF cm -2 and low-density energy of 3-6 Wh kg -1 , pseudocapacitors build charge storage system on reversible surface redox reactions on the electrode of pseudocapacitive materials, typically transition-metal oxides (TMOs) and transition-metal nitrides, including MnO 2 , NiO, VN and Ni 3 N [3][4][5][6][7][8][9]. This mechanism endows pseudocapacitors with the ability to store and deliver high-density energy at minute or even second timescale [10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Design and synthesis of H-TiO2/MnO2 core–shell nanotube arrays with high capacitance and cycling stability for supercapacitors

Xiao

et al. 2017

J Mater Sci

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Constructing hybrid electrodes with pseudocapacitive materials is an efficient strategy to realize high capacitance in supercapacitors for many high-energy applications ranging from portable electronics to consumer devices. However, as a typical pseudocapacitive electrode material, MnO 2 usually suffers from poor electronic and ionic conductivities, which hinders the realization of their achievable pseudocapacitances. Comparing with conventional noble metals, cost-effective and robust hydrogenated TiO 2 nanotube arrays are an excellent scaffold to support pseudocapacitive materials due to enhanced ion and electron delivery. Benefit from the structural and electronic advances, the well-designed H-TiO 2 /MnO 2 NTAs supercapacitor exhibits specific capacitance as high as *803 F g -1 at the scan rate of 5 mV s -1 , reveals *88% of the initial capacitance after 20000 cycles (only 0.0006% loss per cycle) and shows a high-rate capability. The well-performed designer could be a promising candidate for future power sources in a wide range of applications.

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Three-dimensional nickel nitride (Ni₃N) nanosheets: free standing and flexible electrodes for lithium ion batteries and supercapacitors

Abstract: This study demonstrates the use of 3D Ni3N/carbon cloth nanosheets as electrode materials for lithium ion batteries and supercapacitors.

Cited by 204 publications

References 48 publications

Phase Boundary Derived Pseudocapacitance Enhanced Nickel‐Based Composites for Electrochemical Energy Storage Devices

Phase Boundary Derived Pseudocapacitance Enhanced Nickel‐Based Composites for Electrochemical Energy Storage Devices

Na4Mn9O18/Carbon Nanotube Composite as a High Electrochemical Performance Material for Aqueous Sodium-Ion Batteries

Design and synthesis of H-TiO2/MnO2 core–shell nanotube arrays with high capacitance and cycling stability for supercapacitors

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Three-dimensional nickel nitride (Ni3N) nanosheets: free standing and flexible electrodes for lithium ion batteries and supercapacitors

Abstract: This study demonstrates the use of 3D Ni3N/carbon cloth nanosheets as electrode materials for lithium ion batteries and supercapacitors.

Cited by 204 publications

References 48 publications

Phase Boundary Derived Pseudocapacitance Enhanced Nickel‐Based Composites for Electrochemical Energy Storage Devices

Phase Boundary Derived Pseudocapacitance Enhanced Nickel‐Based Composites for Electrochemical Energy Storage Devices

Na4Mn9O18/Carbon Nanotube Composite as a High Electrochemical Performance Material for Aqueous Sodium-Ion Batteries

Design and synthesis of H-TiO2/MnO2 core–shell nanotube arrays with high capacitance and cycling stability for supercapacitors

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Three-dimensional nickel nitride (Ni₃N) nanosheets: free standing and flexible electrodes for lithium ion batteries and supercapacitors