Journal ArticleDOI
Electrochemical Impedance Spectroscopy Study of a Lithium/Sulfur Battery: Modeling and Analysis of Capacity Fading
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This article is published in Journal of The Electrochemical Society.The article was published on 2013-01-01. It has received 557 citations till now. The article focuses on the topics: Lithium–sulfur battery & Dielectric spectroscopy.read more
Citations
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Journal ArticleDOI
Powering Lithium–Sulfur Battery Performance by Propelling Polysulfide Redox at Sulfiphilic Hosts
Zhe Yuan,Hong-Jie Peng,Ting-Zheng Hou,Jia-Qi Huang,Cheng-Meng Chen,Dai-Wei Wang,Xin-Bing Cheng,Fei Wei,Qiang Zhang +8 more
TL;DR: The propelling redox reaction is not limited to Li-S system, and it is foresee the reported strategy herein can be applied in other high-power devices through the systems with controllable redox reactions.
Journal ArticleDOI
Surface-enhanced redox chemistry of polysulphides on a metallic and polar host for lithium-sulphur batteries.
TL;DR: This work reports a different strategy based on an inherently polar, high surface area metallic oxide cathode host and shows that it mitigates polysulphide dissolution by forming an excellent interface with Li2S and provides experimental evidence for surface-mediated redox chemistry.
Journal ArticleDOI
Lithium sulfur batteries, a mechanistic review
Mark Wild,Laura O'Neill,Teng Zhang,Rajlakshmi Purkayastha,Geraint Minton,Monica Marinescu,Gregory J. Offer +6 more
TL;DR: In this paper, a review of a range of analytical studies and physical models for Li-S batteries is presented, showing that experimental understanding is well ahead of state-of-the-art models.
Journal ArticleDOI
A Lightweight TiO₂/Graphene Interlayer, Applied as a Highly Effective Polysulfide Absorbent for Fast, Long-Life Lithium-Sulfur Batteries
Zhubing Xiao,Zhi Yang,Lu Wang,Huagui Nie,Mei'e Zhong,Lai Qianqian,Xiangju Xu,Lijie Zhang,Shaoming Huang +8 more
TL;DR: This paper demonstrated the successful coupling of mesoporous TiO 2 additives to a C–S composite to improve the cycle life and the capacity retention using microporous carbon paper and achieved improvements not only in the use of the active material but also in thecapacity retention.
Journal ArticleDOI
Improved lithium–sulfur batteries with a conductive coating on the separator to prevent the accumulation of inactive S-related species at the cathode–separator interface
Hong-Bin Yao,Kai Yan,Weiyang Li,Guangyuan Zheng,Desheng Kong,Zhi Wei Seh,Vijay K. Narasimhan,Zheng Liang,Yi Cui,Yi Cui +9 more
TL;DR: In this article, the role of the separator in the capacity decay of Li-S batteries was investigated and a thin conductive coating was applied to prevent the formation of the inactive S-related species layer.
References
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Journal ArticleDOI
Li-O2 and Li-S batteries with high energy storage.
Peter G. Bruce,Stefan Freunberger,Laurence J. Hardwick,Laurence J. Hardwick,Jean-Marie Tarascon +4 more
TL;DR: The energy that can be stored in Li-air and Li-S cells is compared with Li-ion; the operation of the cells is discussed, as are the significant hurdles that will have to be overcome if such batteries are to succeed.
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A highly ordered nanostructured carbon–sulphur cathode for lithium–sulphur batteries
TL;DR: In this paper, the authors report the feasibility to approach such capacities by creating highly ordered interwoven composites, where conductive mesoporous carbon framework precisely constrains sulphur nanofiller growth within its channels and generates essential electrical contact to the insulating sulphur.
Journal ArticleDOI
Graphene-Wrapped Sulfur Particles as a Rechargeable Lithium–Sulfur Battery Cathode Material with High Capacity and Cycling Stability
Hailiang Wang,Yuan Yang,Yongye Liang,Joshua T. Robinson,Yanguang Li,Ariel Jackson,Yi Cui,Hongjie Dai +7 more
TL;DR: In this article, the synthesis of a graphene-sulfur composite material by wrapping poly(ethylene glycol) (PEG) coated submicrometer sulfur particles with mildly oxidized graphene oxide sheets decorated by carbon black nanoparticles was reported.
Journal ArticleDOI
Advances in Li–S batteries
Xiulei Ji,Linda F. Nazar +1 more
TL;DR: Li-S batteries have received everincreasing attention recently due to their high theoretical specific energy density, which is 3 to 5 times higher than that of Li ion batteries based on intercalation reactions as discussed by the authors.
Journal ArticleDOI
Enhancement of long stability of sulfur cathode by encapsulating sulfur into micropores of carbon spheres
TL;DR: In this paper, a sulfur-carbon sphere composite was proposed to enhance the long stability of sulfur cathode for a high energy lithium-sulfur battery system by encapsulating sulfur into micropores of carbon spheres.