A unique 2.1 V “Water in Salt” elemental sulfur based Na-ion hybrid storage capacitor

Kumar, Mahesh; Nagaiah, Tharamani C.

doi:10.1039/d1ta10940e

Cited by 7 publications

(3 citation statements)

References 60 publications

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“…When applied this WIS electrolyte in S@MNC-600//Na 0.44 MnO 2 hybrid capacitor, a working potential of 2.1 V with an impressive energy density and power density could be achieved. [198] Likewise, the WIS electrolytes are conductive to reversible plating/stripping of the Zn anode. Zhang et al proposed a low-cost WIS electrolyte of 30 m ZnCl 2 for a reversible Zn metal anode.…”

Section: Aqueous Electrolytesmentioning

confidence: 99%

Exploring 2D Energy Storage Materials: Advances in Structure, Synthesis, Optimization Strategies, and Applications for Monovalent and Multivalent Metal‐Ion Hybrid Capacitors

Zheng

et al. 2022

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utilization of environmentally friendly renewable energy sources, such as solar energy, wind energy, and tidal energy. However, these renewable energy sources are intermittent in nature, which makes them unable to provide a stable energy supply. Therefore, energy storage devices play an integral role in setting up renewable energy systems. [1] At present, electrochemical energy storage (EES) technologies are the most commonly used due to high energy conversion efficiency, wide range of energy and power densities, relatively long lifetime, and low maintenance costs, among which lithium-ion batteries (LIBs) and supercapacitors (SCs) are considered to be the promising two. [2,3] LIBs, which have occupied half of the market of EES devices since their successful commercialization more than 30 years ago, have the advantages of high energy density, stable performance, and moderate cost, but their low power density and poor cycle performance are detrimental to fast and longterm energy storage. [4][5][6] By contrast, SCs, another excellent energy storage device, have the ability to store and release energy quickly and has an extremely long cycle life and good safety. The very limited energy density however greatly increases the number of equipment required to store the same energy, thus making SCs undesirable to meet the actual demand for high energy storage. [7][8][9] Consequently, in order to assist in realizing the vision of replacing nonrenewable fossil energy with environmentally friendly renewable energy, EES devices that can concurrently provide good energy density and high power performance are urgently needed.As a new type of EES device emerging after metal-ion batteries (MIBs) and SCs, metal-ion hybrid capacitors (MHCs) blessed with fabulous power performance, decent energy density, and remarkable cycle stability are considered to be one of the most prospective EES devices. [10] In 2001, the first MHC, using activated carbon (AC) as the cathode and nanostructured Li 4 Ti 5 O 12 (LTO) as the anode, was constructed by Amatucci et al., which possessed an energy density as high as 20 Wh kg −1 , about threefold than that of traditional SCs, showing promising rate capability in the meanwhile. [11] ThisThe design and development of advanced energy storage devices with good energy/power densities and remarkable cycle life has long been a research hotspot. Metal-ion hybrid capacitors (MHCs) are considered as emerging and highly prospective candidates deriving from the integrated merits of metal-ion batteries with high energy density and supercapacitors with excellent power output and cycling stability. The realization of high-performance MHCs needs to conquer the inevitable imbalance in reaction kinetics between anode and cathode with different energy storage mechanisms. Featured by large specific surface area, short ion diffusion distance, ameliorated in-plane charge transport kinetics, and tunable surface and/or interlayer structures, 2D nanomaterials provide a promising platform for manufacturing battery-type electrod...

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Section: Aqueous Electrolytesmentioning

confidence: 99%

Exploring 2D Energy Storage Materials: Advances in Structure, Synthesis, Optimization Strategies, and Applications for Monovalent and Multivalent Metal‐Ion Hybrid Capacitors

Zheng

et al. 2022

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“…219,220 Considering the above needs, Kumar et al rst demonstrated a Na-ion/ S hybrid capacitor using mesoporous nitrogen-containing carbon (MNC) anchored sulfur as the anode, Na 0.44 MnO 2 as the anode material, and 17 M NaClO 4 as the electrolyte. 221 A battery-type material, i.e., singlet sulfur, was introduced into the capacitance-type tubular MNC electrode to increase its capacity and balance the reaction kinetics. The WIS electrolyte (17 M NaClO 4 ) not only expanded its operating window to nearly 2.75 V, but also exhibited signicantly low solvent activity.…”

Section: Aqueousmentioning

confidence: 99%

Recent advances in aqueous and non-aqueous alkali metal hybrid ion capacitors

Jia,

Hou,

Peng

et al. 2024

J. Mater. Chem. A

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“…[9][10][11][12] Carbon materials usually have a high specific surface area, good conductivity and chemical stability, abundant reserve, and are easy to produce and process, and non-toxic. [13][14][15][16] There are currently many issues associated with the combustion of fossil fuels and waste generation, and sustainable industrial growth is much focused on. 17 Biomass is a readily available, inexpensive, easy to modify, environmentally friendly, and renewable resource.…”

Section: Introductionmentioning

confidence: 99%

High-performance supercapacitors based on amorphous carbon derived from natural Ramulus mori

Xu¹,

Huang

et al. 2022

Mater. Adv.

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A unique 2.1 V “Water in Salt” elemental sulfur based Na-ion hybrid storage capacitor

Abstract: The aqueous sodium-ion hybrid capacitor is a novel energy storage device, reconciles high energy and power density in a single device along with the inherent safety and conductivity of an...

Cited by 7 publications

References 60 publications

Exploring 2D Energy Storage Materials: Advances in Structure, Synthesis, Optimization Strategies, and Applications for Monovalent and Multivalent Metal‐Ion Hybrid Capacitors

Exploring 2D Energy Storage Materials: Advances in Structure, Synthesis, Optimization Strategies, and Applications for Monovalent and Multivalent Metal‐Ion Hybrid Capacitors

Recent advances in aqueous and non-aqueous alkali metal hybrid ion capacitors

High-performance supercapacitors based on amorphous carbon derived from natural Ramulus mori

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