WO3 Nanowire/Carbon Nanotube Interlayer as a Chemical Adsorption Mediator for High-Performance Lithium-Sulfur Batteries

We developed a new nanowire for enhancing the performance of lithium-sulfur batteries. In this study, we synthesized WO3 nanowires (WNWs) via a simple hydrothermal method. WNWs and one-dimensional materials are easily mixed with carbon nanotubes (CNTs) to form interlayers. The WNW interacts with lithium polysulfides through a thiosulfate mediator, retaining the lithium polysulfide near the cathode to increase the reaction kinetics. The lithium-sulfur cell achieves a very high initial discharge capacity of 1558 and 656 mAh g−1 at 0.1 and 3 C, respectively. Moreover, a cell with a high sulfur mass loading of 4.2 mg cm−2 still delivers a high capacity of 1136 mAh g−1 at a current density of 0.2 C and it showed a capacity of 939 mAh g−1 even after 100 cycles. The WNW/CNT interlayer maintains structural stability even after electrochemical testing. This excellent performance and structural stability are due to the chemical adsorption and catalytic effects of the thiosulfate mediator on WNW.

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Facile synthesis of sulfur@titanium carbide Mxene as high performance cathode for lithium-sulfur batteries

Nanophotonics ◽

10.1515/nanoph-2019-0568 ◽

2020 ◽

Vol 9 (7) ◽

pp. 2025-2032

Author(s):

Fan Zhang ◽

Yunlei Zhou ◽

Yi Zhang ◽

Dongchan Li ◽

Zhichao Huang

Keyword(s):

Titanium Carbide ◽

High Performance ◽

High Capacity ◽

Shuttle Effect ◽

Lithium Polysulfide ◽

Lithium Sulfur Batteries ◽

Potential Applications ◽

Sulfur Hosts ◽

Lithium Sulfur ◽

Sulfur Nanoparticles

AbstractThe design of sulfur hosts with polar, sulfurphilic, and conductive network is critical to lithium-sulfur (Li-S) batteries whose potential applications are greatly limited by the lithium polysulfide shuttle effect. Mxenes, possessing layered-stacked structures and high electrical conductivities, have a great potential in sulfur hosts. Herein, sulfur nanoparticles uniformly decorated on titanium carbide Mxene (S@Ti3C2Tx Mxene) are synthesized via a hydrothermal method and then utilized as a cathode for lithium-sulfur batteries. This unique architecture could accommodate sulfur nanoparticles expansion during cycling, suppress the shuttling of lithium polysulfide, and enhance electronical conductivity. Consequently, the S@Mxene with a high areal sulfur loading (∼4.0 mg cm−2) exhibits a high capacity (1477.2 mAh g−1) and a low capacity loss per cycle of 0.18% after 100 cycles at 0.2 C. This work may shed lights on the development of high performance sulfur-based cathode materials for Li-S batteries.

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Rational design of MXene@TiO2 nanoarray enabling dual lithium polysulfide chemisorption towards high-performance lithium–sulfur batteries

Nanoscale ◽

10.1039/d0nr03528a ◽

2020 ◽

Vol 12 (32) ◽

pp. 16678-16684 ◽

Cited By ~ 1

Author(s):

Sheng-You Qiu ◽

Chuang Wang ◽

Zai-Xing Jiang ◽

Li-Su Zhang ◽

Liang-Liang Gu ◽

...

Keyword(s):

Electrochemical Performance ◽

High Performance ◽

Rational Design ◽

Lithium Polysulfide ◽

Lithium Sulfur Batteries ◽

Lithium Sulfur

A novel heterostructure consisting of highly ordered TiO2 nanoarrays grown on the MXene nanosheets displays formidable dual chemisorption capability to trap polysulfides and superior electrochemical performance for Li–S batteries.

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Understanding the high-performance Fe(OH)3@GO nanoarchitecture as effective sulfur hosts for the high capacity of lithium-sulfur batteries

Applied Surface Science ◽

10.1016/j.apsusc.2020.148032 ◽

2021 ◽

Vol 538 ◽

pp. 148032 ◽

Cited By ~ 1

Author(s):

Mohammed A. Al-Tahan ◽

Yutao Dong ◽

Ran Zhang ◽

Yingying Zhang ◽

Jianmin Zhang

Keyword(s):

High Performance ◽

High Capacity ◽

Lithium Sulfur Batteries ◽

Sulfur Hosts ◽

Lithium Sulfur

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Graphene/Sulfur Nanocomposite for High Performance Lithium-Sulfur Batteries

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.936.369 ◽

2014 ◽

Vol 936 ◽

pp. 369-373 ◽

Cited By ~ 2

Author(s):

Shao Wu Ma ◽

Dong Lin Zhao ◽

Ning Na Yao ◽

Li Xu

Keyword(s):

High Performance ◽

High Surface ◽

High Surface Area ◽

Reversible Capacity ◽

Graphene Sheets ◽

X Ray Diffraction ◽

Electrochemical Testing ◽

Lithium Sulfur Batteries ◽

Testing Techniques ◽

Lithium Sulfur

The graphene/sulfur nanocomposite has been synthesized by heating a mixture of graphene sheets and elemental sulfur. The morphology, structure and electrochemical performance of graphene/sulfur nanocomposite as cathode material for lithium-sulfur batteries were systematically investigated by field-emission scanning electron microscope, X-ray diffraction and a variety of electrochemical testing techniques. The graphene/sulfur nanocomposite cathodes display a high reversible capacity of 800-1200 mAh g-1, and stable cycling for more than 100 deep cycles at 0.1 C. The graphene sheets have good conductivity and an extremely high surface area, and provide a robust electron transport network. The graphene network also accommodates the volume change of the electrode during the Li-S electrochemical reaction.

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Chemical Adsorption and Physical Confinement of Polysulfides with the Janus-faced Interlayer for High-performance Lithium-Sulfur Batteries

Scientific Reports ◽

10.1038/s41598-017-18108-0 ◽

2017 ◽

Vol 7 (1) ◽

Cited By ~ 12

Author(s):

Poramane Chiochan ◽

Siriroong Kaewruang ◽

Nutthaphon Phattharasupakun ◽

Juthaporn Wutthiprom ◽

Thana Maihom ◽

...

Keyword(s):

High Performance ◽

Chemical Adsorption ◽

Lithium Sulfur Batteries ◽

Lithium Sulfur

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Fast production of zinc–hexamethylenetetramine complex microflowers as an advanced sulfur reservoir for high-performance lithium–sulfur batteries

Journal of Materials Chemistry A ◽

10.1039/c9ta12573f ◽

2020 ◽

Vol 8 (10) ◽

pp. 5062-5069 ◽

Cited By ~ 4

Author(s):

Xiaoyuan Dou ◽

Gaoran Li ◽

Wenyao Zhang ◽

Fei Lu ◽

Dan Luo ◽

...

Keyword(s):

High Performance ◽

High Capacity ◽

Lithium Sulfur Batteries ◽

Lithium Sulfur

Hierarchical zinc–hexamethylenetetramine complex microflowers were developed to establish a multifunctional interlayer towards high-capacity and durable lithium–sulfur batteries.

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Cubic MnSe2 microcube enabling high-performance sulfur cathode for lithium-sulfur batteries

Sustainable Energy & Fuels ◽

10.1039/d1se01263k ◽

2021 ◽

Author(s):

Jian Bao ◽

Xin-Yang Yue ◽

Rui-Jie Luo ◽

Yong-Ning Zhou

Keyword(s):

Strong Interaction ◽

High Performance ◽

Sulfur Cathode ◽

Shuttle Effect ◽

Lithium Polysulfide ◽

Lithium Sulfur Batteries ◽

Sulfur Cathodes ◽

Lithium Sulfur

Cubic MnSe2 microcubes are introduced into sulfur cathodes to prevent the shuttle effect of lithium polysulfide through binding with polysulfide via the strong interaction between Se and S, thus alleviate...

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Sulfur encapsulated in porous hollow CNTs@CNFs for high-performance lithium–sulfur batteries

Journal of Materials Chemistry A ◽

10.1039/c4ta01823k ◽

2014 ◽

Vol 2 (26) ◽

pp. 10126-10130 ◽

Cited By ~ 70

Author(s):

Yuming Chen ◽

Xiaoyan Li ◽

Kyu-Sung Park ◽

Jianhe Hong ◽

Jie Song ◽

...

Keyword(s):

Cathode Material ◽

Specific Surface ◽

Surface Area ◽

Pore Volume ◽

High Performance ◽

High Capacity ◽

Total Pore Volume ◽

Bet Specific Surface Area ◽

Lithium Sulfur Batteries ◽

Lithium Sulfur

A novel carbon-sulfur nanoarchitecture with a high Brunauer–Emmett–Teller (BET) specific surface area of ~80 m2 g−1 and a total pore volume of ~0.2cm3 g−1 shows a high capacity of ~ 700 mAh g−1 at 1 C and 520 mAh g−1 at 5 C after 100 cycles, which makes it a superior cathode material for a rechargeable Li–S battery.

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Zinc Complex Based Multifunctional Reactive Lithium Polysulfide Trapper Approaching Its Theoretical Efficiency

10.21203/rs.3.rs-108229/v1 ◽

2020 ◽

Author(s):

Zhong Ma ◽

Zhijun Zuo ◽

Yuning Li

Keyword(s):

High Capacity ◽

Capacity Fading ◽

Shuttle Effect ◽

Redox Catalyst ◽

Lithium Polysulfide ◽

Lithium Sulfur Batteries ◽

New Type ◽

Catalytic Effects ◽

Reactive Molecule

Abstract The “shuttle effect” of soluble lithium polysulfides (LPS), which causes rapid capacity fading, remains a lingering issue for lithium-sulfur batteries (LSBs). Herein, we report a new type of reactive molecule-based (or molecular) LPS trapper, zinc acetate-diethanolamine (Zn(OAc)2·DEA), which demonstrated a molecular efficiency of 1.8 for LPS trapping, approaching its theoretical limit of 2. This is the highest trapping capability among all reported LPS trappers. During discharge the trapped polysulfides are much more thermodynamically favored for reduction compared to the non-trapped ones, while during charge the complex Zn(SLi)2·DEA formed in the previous discharging process can be more easily oxidized due to its lower energy barrier in comparison to Li2S, indicating the catalytic effects of Zn2+·DEA on the redox of sulfur species. Zn(OAc)2·DEA is also an excellent binder owing to its multiple intermolecular hydrogen bonds. LSBs using Zn(OAc)2·DEA as a LPS trapper, a binder, and a redox catalyst exhibited excellent long-term cycling stability (with a capacity retention of 85% after 1000 cycles at a rate of 0.5 C) and enhanced rate performance. The work demonstrated the potential of this novel type of multifunctional metal complex-based reactive molecular LPS trappers for high capacity and stable LSBs.

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