scholarly journals Electrocatalytic Assisted Performance Enhancement for the Na-S Battery in Nitrogen-Doped Carbon Nanospheres Loaded with Fe

Molecules ◽  
2020 ◽  
Vol 25 (7) ◽  
pp. 1585 ◽  
Author(s):  
Jianhui Zhu ◽  
Amr Abdelkader ◽  
Denisa Demko ◽  
Libo Deng ◽  
Peixin Zhang ◽  
...  
Keyword(s):  
Energy Storage ◽  
Carbon Nanostructures ◽  
Room Temperature ◽  
Performance Enhancement ◽  
Energy Storage And Conversion ◽  
Carbon Nanospheres ◽  
Shuttle Effect ◽  
Electrocatalytic Effect ◽  
Sodium Sulfur ◽  
Fe Ions

Room temperature sodium-sulfur batteries have been considered to be potential candidates for future energy storage devices because of their low cost, abundance, and high performance. The sluggish sulfur reaction and the “shuttle effect” are among the main problems that hinder the commercial utilization of room temperature sodium-sulfur batteries. In this study, the performance of a hybrid that was based on nitrogen (N)-doped carbon nanospheres loaded with a meagre amount of Fe ions (0.14 at.%) was investigated in the sodium-sulfur battery. The Fe ions accelerated the conversion of polysulfides and provided a stronger interaction with soluble polysulfides. The Fe-carbon nanospheres hybrid delivered a reversible capacity of 359 mAh·g−1 at a current density of 0.1 A·g−1 and retained a capacity of 180 mAh·g−1 at 1 A·g−1, after 200 cycles. These results, combined with the excellent rate performance, suggest that Fe ions, even at low loading, are able to improve the electrocatalytic effect of carbon nanostructures significantly. In addition to Na-S batteries, the new hybrid is anticipated to be a strong candidate for other energy storage and conversion applications such as other metal-sulfur batteries and metal-air batteries.

scholarly journals Research Progress toward Room Temperature Sodium Sulfur Batteries: A Review

Molecules ◽  
2021 ◽  
Vol 26 (6) ◽  
pp. 1535
Author(s):  
Yanjie Wang ◽  
Yingjie Zhang ◽  
Hongyu Cheng ◽  
Zhicong Ni ◽  
Ying Wang ◽  
...  
Keyword(s):  
Energy Storage ◽  
Room Temperature ◽  
High Energy ◽  
Safety Performance ◽  
High Energy Density ◽  
Research Progress ◽  
Storage Performance ◽  
Sulfur Battery ◽  
Sodium Sulfur Battery ◽  
Sodium Sulfur

Lithium metal batteries have achieved large-scale application, but still have limitations such as poor safety performance and high cost, and limited lithium resources limit the production of lithium batteries. The construction of these devices is also hampered by limited lithium supplies. Therefore, it is particularly important to find alternative metals for lithium replacement. Sodium has the properties of rich in content, low cost and ability to provide high voltage, which makes it an ideal substitute for lithium. Sulfur-based materials have attributes of high energy density, high theoretical specific capacity and are easily oxidized. They may be used as cathodes matched with sodium anodes to form a sodium-sulfur battery. Traditional sodium-sulfur batteries are used at a temperature of about 300 °C. In order to solve problems associated with flammability, explosiveness and energy loss caused by high-temperature use conditions, most research is now focused on the development of room temperature sodium-sulfur batteries. Regardless of safety performance or energy storage performance, room temperature sodium-sulfur batteries have great potential as next-generation secondary batteries. This article summarizes the working principle and existing problems for room temperature sodium-sulfur battery, and summarizes the methods necessary to solve key scientific problems to improve the comprehensive energy storage performance of sodium-sulfur battery from four aspects: cathode, anode, electrolyte and separator.

Materials Engineering for Adsorption and Catalysis in Room-Temperature Na-S Batteries

2021 ◽  
Author(s):  
Xiang Long Huang ◽  
Yunxiao Wang ◽  
Shulei Chou ◽  
Shi Xue Dou ◽  
Zhiming M. Wang
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
Natural Resources ◽  
Room Temperature ◽  
Low Cost ◽  
Storage System ◽  
Energy Storage System ◽  
Electrochemical Energy Storage ◽  
Materials Engineering ◽  
Sodium Sulfur

Room-temperature sodium-sulfur (RT Na-S) batteries constitute an extremely competitive electrochemical energy storage system, owing to their abundant natural resources, low cost, and outstanding energy density, which could potentially overcome the...

Metal-based electrocatalysts for sulfur cathodes in room-temperature Na-S batteries

2021 ◽  
Author(s):  
Xiang Long Huang ◽  
Shi Xue Dou ◽  
Zhiming M. Wang
Keyword(s):  
Energy Storage ◽  
Room Temperature ◽  
Next Generation ◽  
Energy Storage Devices ◽  
Research Attention ◽  
Storage Devices ◽  
Intensive Research ◽  
Sodium Sulfur ◽  
Sulfur Cathodes

Room-temperature sodium-sulfur (RT Na-S) batteries have recently captured intensive research attention from the community and are regarded as one of promising next-generation energy storage devices, since they not only integrate...

scholarly journals A Mo5N6 electrocatalyst for efficient Na2S electrodeposition in room-temperature sodium-sulfur batteries

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Chao Ye ◽  
Huanyu Jin ◽  
Jieqiong Shan ◽  
Yan Jiao ◽  
Huan Li ◽  
...  
Keyword(s):  
Discharge Capacity ◽  
Density Functional ◽  
Room Temperature ◽  
Coulombic Efficiency ◽  
Cycling Performance ◽  
Electrochemical Kinetics ◽  
Metal Sulfides ◽  
Shuttle Effect ◽  
Band Position ◽  
Sodium Sulfur

AbstractMetal sulfides electrodeposition in sulfur cathodes mitigates the shuttle effect of polysulfides to achieve high Coulombic efficiency in secondary metal-sulfur batteries. However, fundamental understanding of metal sulfides electrodeposition and kinetics mechanism remains limited. Here using room-temperature sodium-sulfur cells as a model system, we report a Mo5N6 cathode material that enables efficient Na2S electrodeposition to achieve an initial discharge capacity of 512 mAh g−1 at a specific current of 1 675 mA g−1, and a final discharge capacity of 186 mAh g−1 after 10,000 cycles. Combined analyses from synchrotron-based spectroscopic characterizations, electrochemical kinetics measurements and density functional theory computations confirm that the high d-band position results in a low Na2S2 dissociation free energy for Mo5N6. This promotes Na2S electrodeposition, and thereby favours long-term cell cycling performance.

Sulfur-Biological Carbon for Long-Life Room-Temperature Sodium-Sulfur Battery

2020 ◽  
Vol 14 (4) ◽  
pp. 487-491
Author(s):  
Xiang Xiao ◽  
Wei Li ◽  
Jianbing Jiang
Keyword(s):  
Volume Expansion ◽  
Large Scale ◽  
Room Temperature ◽  
Low Cost ◽  
Shuttle Effect ◽  
Practical Applications ◽  
Co Doping ◽  
Sulfur Battery ◽  
Sodium Sulfur Battery ◽  
Sodium Sulfur

Room-temperature sodium-sulfur (RT-Na/S) batteries are gaining much attention particularly in large-scale energy storage due to high theoretical energy density and low cost. However, low conductivity and volume expansion of sulfur, as well as severe shuttle effect of soluble sodium polysulfides largely hamper their practical applications. Herein, we report an architecture of sulfur embedded in biological carbon (SBC) as cathode for RT-Na/S batteries. The SBC with N, P co-doping biological carbon and hierarchically porous structure afford fast electron and ion transportation, as well as good mechanical limitation of volume expansion and shuttle effect, therefore achieving excellent cyclic stability (544.7 mAh · g–1 at current density of 200 mA · g –1 after 984 cycles).

Revitalising sodium–sulfur batteries for non-high-temperature operation: a crucial review

2020 ◽  
Vol 13 (11) ◽  
pp. 3848-3879
Author(s):  
Yizhou Wang ◽  
Dong Zhou ◽  
Veronica Palomares ◽  
Devaraj Shanmukaraj ◽  
Bing Sun ◽  
...  
Keyword(s):  
High Temperature ◽  
Energy Storage ◽  
Room Temperature ◽  
Low Cost ◽  
Intermediate Temperature ◽  
High Temperature Operation ◽  
Sodium Sulfur ◽  
Working Mechanisms

We review the working mechanisms, opportunity and challenges of intermediate-temperature and room-temperature sodium–sulfur batteries for low-cost energy storage.

PIM-1-based carbon–sulfur composites for sodium–sulfur batteries that operate without the shuttle effect

2020 ◽  
Vol 8 (7) ◽  
pp. 3580-3585 ◽  
Author(s):  
Jun Woo Jeon ◽  
Dong-Min Kim ◽  
Jinyoung Lee ◽  
Jong-Chan Lee ◽  
Yong Seok Kim ◽  
...  
Keyword(s):  
Room Temperature ◽  
Covalent Bonds ◽  
Shuttle Effect ◽  
Sodium Sulfur

PIM-1-based carbon–sulfur composites, combining covalent bonds and physical confinement concepts, operate without the shuttle effect in room-temperature sodium–sulfur batteries.

Facile fabrication of robust gel poly(ionic liquid) electrolytes via bases treatment at room temperature

2021 ◽  
Author(s):  
Chongrui Zhang ◽  
Yong Zhang ◽  
Qiang zhao ◽  
Zhigang Xue
Keyword(s):  
Ionic Liquid ◽  
Energy Storage ◽  
Polymer Electrolyte ◽  
Room Temperature ◽  
Gel Polymer Electrolyte ◽  
Energy Storage And Conversion ◽  
Liquid Electrolytes ◽  
Facile Fabrication ◽  
Poly Ionic Liquid

Mechanically robust gel polymer electrolyte (GPE) with cross-linked networks are crucial for energy storage and conversion applications. Poly[1-cyanomethyl-3-vinylimidazolium bis(trifluoromethane)sulfonimide] (PCMVImTFSI) was treated via various bases at room temperature, leading to...

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