A High‐Power Symmetric Na‐Ion Pseudocapacitor

Jian, Zelang; Raju, V. Bheema; Li, Zhifei; Xing, Zhenyu; Hu, Yong‐Sheng; Ji, Xiulei

doi:10.1002/adfm.201502433

Cited by 106 publications

(64 citation statements)

References 52 publications

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“…Nevertheless, the substitution of lithium with abundant sodium is a good choice to develop low-cost HCs. Such devices are viewed as socalled SIHCs and have been extensively investigated by many researchers, which are generally composed of a capacitor electrode based on activated carbon, layered oxides, phosphate and polyanion compounds, an organic polymer membrane, non-aqueous electrolyte and an anode based on carbon-based materials, metal oxides, metal sulfides, alloys [23,24] [29] and N-TiO 2 //AC [30]. However, the electrochemical properties of SIHCs are still limited to sluggish faradaic kinetics of anode materials, which is a major challenge for SIHCs.…”

Section: Introductionmentioning

confidence: 99%

Nanotube-like hard carbon as high-performance anode material for sodium ion hybrid capacitors

et al. 2017

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Sodium ion hybrid capacitors (SIHCs) are of great concern in large-scale energy storage applications due to their good energy-and-power characteristic, as well as abundant reserves and low cost of sodium. However, the sluggish faradaic kinetics of anode materials severely limit the overall electrochemical performance of SIHC devices. Herein, we report an application of nanotube-like hard carbon (NTHC) anode material prepared by high-temperature carbonization (1150°C) of polyaniline (PANI) nanotubes for high-performance SIHCs. As a result, the assembled sodium ion half-cell with NTHC shows a high reversible capacity of 419.5 mA h g . Within the potential range of 1.5-3.5 V, the SIHCs display an outstanding cycling stability tested at 2 A g −1 with a good capacity retention of 82.5% even after 12,000 cycles.

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Section: Introductionmentioning

confidence: 99%

Nanotube-like hard carbon as high-performance anode material for sodium ion hybrid capacitors

et al. 2017

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“…[56][57][58][59][60][61][62][63][64] For example, symmetric Na 3 V 2 (PO 4 ) 3 //Na 3 V 2 (PO 4 ) 3 full cells (Figure 3a-c) Figure 3d-f, based on the Cr 3+ /Cr 4+ and Ti 4+ /Ti 3+ redox couples. This symmetric fullcell system delivered an average operating voltage of 2.53 V, and superior rate and cycling performance.…”

Section: +mentioning

confidence: 99%

Sodium‐Ion Batteries: From Academic Research to Practical Commercialization

Deng

Luo

Chou

et al. 2017

Advanced Energy Materials

562

356

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Sodium‐ion batteries (SIBs) have been considered as the most promising candidate for large‐scale energy storage system owing to the economic efficiency resulting from abundant sodium resources, superior safety, and similar chemical properties to the commercial lithium‐ion battery. Despite the long period of academic research, how to realize sodium‐ion battery commercialization for market applications is still a great challenge. Thus, from the perspective of future practical application, this review will identify the factors that are restricting commercialization, and evaluate the existing active materials and sodium‐ion‐based full‐cell system. The design and development trends that are needed for SIBs to meet the requirements of practical applications in large‐scale energy storage will also be discussed in detail.

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“…[9][10][11] Fortunately, constructing hybrid SCs (HSCs) that combine the merits of battery and SC with battery-type electrodes and capacitor-type electrodes is an intelligent way to improve the energy density of SCs. [13][14][15][16] Although Li-ion and Na-ion-based HSCs that adopted aqueous electrolyte were seldom reported, the battery-type electrode materials for Li-ion or Na-ion storage in aqueous electrolyte generally suffer from low capacity. [13][14][15][16] Although Li-ion and Na-ion-based HSCs that adopted aqueous electrolyte were seldom reported, the battery-type electrode materials for Li-ion or Na-ion storage in aqueous electrolyte generally suffer from low capacity.…”

mentioning

confidence: 99%

MXene‐Reduced Graphene Oxide Aerogel for Aqueous Zinc‐Ion Hybrid Supercapacitor with Ultralong Cycle Life

Wang

Guo

et al. 2019

Adv Elect Materials

282

152

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is much smaller for medium-and largeenergy storage systems. [9][10][11] Fortunately, constructing hybrid SCs (HSCs) that combine the merits of battery and SC with battery-type electrodes and capacitor-type electrodes is an intelligent way to improve the energy density of SCs. [12] The Li-ion and Na-ion-based HSCs that attempted to further improve the energy density of SCs have made certain progress, but these HSCs generally adopted organic electrolyte, which leads to serious safety issues. [13][14][15][16] Although Li-ion and Na-ion-based HSCs that adopted aqueous electrolyte were seldom reported, the battery-type electrode materials for Li-ion or Na-ion storage in aqueous electrolyte generally suffer from low capacity. [17][18][19] Thus, it is necessary to construct new HSCs based on other metal ion in aqueous electrolyte. Recently, more and more research attentions have been turned to aqueous zinc-ion batteries (ZIBs). While the short cycle life is the biggest drawback of aqueous ZIBs, the advantages of aqueous ZIBs-such as high capacity, high energy density, and high level of safety-cannot be ignored. [20][21][22] These provide us a new route for assembling aqueous Zinc-ion HSCs (ZHSCs) with zinc metal battery-type electrodes and suitable capacitor-type electrodes. In this respect, activated carbon (AC) as a common electrode material for HSCs was applied in recent reports. [23][24][25] However, AC-based electrodes for HSCs have several defects: i) AC-based electrodes require binder, conductive-additive and metal current collector, which increases the total weight, and thus decrease the final specific capacitance of the devices. ii) AC-based electrodes that store energy by using the energy storage mechanism of electrochemical double-layer capacitors have limited capacities. Therefore, it is necessary to develop new capacitor-type electrodes without binder and conductive-additive.MXene is a new group of 2D materials. Since the MXene was first reported in 2011, [26] it has attracted much attention due to the excellent metallic electrical conductivity, hydrophilic surface, and especially the pseudocapacitance energy storage mechanism in the field of SCs. [27][28][29][30][31] These features make MXene particularly attractive for capacitor-type electrodes of the ZHSCs. However, similar to graphene, adjacent MXene nanosheets are prone to aggregation and self-restacking under the van der Waals interaction, [32] which reduces their interlayer spacing, limits the electrolyte ions transport and hinders the sufficient Although current energy storage devices are limited by their own shortcomings, their merits such as superior power density and cycling stability for supercapacitors (SCs), and high energy density for batteries cannot be ignored either. Constructing hybrid SCs (HSCs) with capacitor-type electrodes and battery-type electrodes can combine the advantages of SCs and batteries. Herein, a zinc-ion HSC (ZHSC) is fabricated with a porous 3D MXene (Ti 3 C 2 T x )-reduced graphene oxide aerogel cathode and zinc foil an...

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A High‐Power Symmetric Na‐Ion Pseudocapacitor

Cited by 106 publications

References 52 publications

Nanotube-like hard carbon as high-performance anode material for sodium ion hybrid capacitors

Nanotube-like hard carbon as high-performance anode material for sodium ion hybrid capacitors

Sodium‐Ion Batteries: From Academic Research to Practical Commercialization

MXene‐Reduced Graphene Oxide Aerogel for Aqueous Zinc‐Ion Hybrid Supercapacitor with Ultralong Cycle Life

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