Journal ArticleDOI
Liquid electrolyte lithium/sulfur battery: Fundamental chemistry, problems, and solutions
TLDR
Li et al. as discussed by the authors discussed the problems and solutions of liquid electrolyte Li/S battery and showed that the dissolution of lithium polysulfide (PS) is essential for the performance of a Li-S cell.About:
This article is published in Journal of Power Sources.The article was published on 2013-06-01. It has received 1348 citations till now. The article focuses on the topics: Lithium–sulfur battery & Electrolyte.read more
Citations
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Importance of open pore structures with mechanical integrity in designing the cathode electrode for lithium–sulfur batteries
Chisu Kim,Abdelbast Guerfi,Pierre Hovington,Julie Trottier,C. Gagnon,F Barray,Ashok K. Vijh,Michel Armand,Karim Zaghib +8 more
TL;DR: In this paper, the performance of Li/S cells can be significantly improved by simply optimizing the electrode processing conditions to have open pore structures and mechanical integrity of the electrode architecture, which can be achieved with relatively high sulfur content of 68%.
Journal ArticleDOI
Ab Initio Force Fields for Organic Anions: Properties of [BMIM][TFSI], [BMIM][FSI], and [BMIM][OTf] Ionic Liquids.
TL;DR: This work develops entirely ab initio force fields for the TFSI, FSI, and OTf anions and predicts the properties of corresponding 1-butyl-3-methylimidazolium ILs and discusses important subtleties in the force field development related to accurately modeling conformational flexibility.
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Multifunctional Free-Standing Gel Polymer Electrolyte with Carbon Nanofiber Interlayers for High-Performance Lithium–Sulfur Batteries
TL;DR: The as-prepared gel polymer electrolyte membrane with carbon nanofibers interlayer can effectively prevent polysulfide dissolution and shuttle effect, leading to significantly enhanced electrochemical properties, including high capacity and cycling stability, with an enhanced specific capacity of 790 mA h g-1 after 100 cycles.
Journal ArticleDOI
Developing porous carbon with dihydrogen phosphate groups as sulfur host for high performance lithium sulfur batteries
Yanhui Cui,Qi Zhang,Junwei Wu,Xiao Liang,Andrew P. Baker,Deyang Qu,Hui Zhang,Huayu Zhang,Xinhe Zhang +8 more
TL;DR: In this article, a dihydrogen phosphate modified carbon matrix (PCM-650) was used as the sulfur host for a Li-S battery, which showed a significant performance improvement.
Journal ArticleDOI
Understanding the Catalytic Kinetics of Polysulfide Redox Reactions on Transition Metal Compounds in Li-S Batteries.
Jiao Wu,Tong Ye,Yuchao Wang,Peiyao Yang,Qichen Wang,Wenyu Kuang,Xiaoli Chen,Gaohan Duan,Lingmin Yu,Zhaoqing Jin,Jiaqian Qin,Yongpeng Lei +11 more
TL;DR: In this paper , transition metal compounds (TMCs) are used as catalysts in Li-S batteries to overcome the slow reaction kinetics for the insoluble Li2S product and capacity degradation due to the severe shuttle effect of polysulfides.
References
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Chemistry of the elements
TL;DR: In this article, the origins of the elements, isotopes and atomic weights Chemical periodicity and the periodic table were discussed, including the following elements: Hydrogen Lithium, sodium, potassium, rubidium, caesium and francium Beryllium, magnesium, calcium, strontium, barium and radium Boron Aluminium, gallium, indium and thallium Carbon Silicon Germanium, tin and lead Nitrogen Phosphorus Arsenic, antimony and bismuth Oxygen Sulfur Selenium, tellurium
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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.
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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.
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Porous Hollow Carbon@Sulfur Composites for High‐Power Lithium–Sulfur Batteries
N. Jayaprakash,Jingguo Shen,Surya S. Moganty,Alexandra Mirella Elena Corona,Lynden A. Archer +4 more
TL;DR: C @ S nanocomposites based on mesoporous hollow carbon capsules were prepared by a template approach as mentioned in this paper, and their excellent properties as a cathode material in a lithium secondary battery of S-sequestration of elemental sulfur in the carbon capsules, a restricted polysulfide shuttling and an improved electron transport on sulfur are attributed.
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A review on electrolyte additives for lithium-ion batteries
TL;DR: In this article, a review of electrolyte additives used in Li-ion batteries is presented, which can be classified into five categories: solid electrolyte interface (SEI) forming improver, cathode protection agent, LiPF 6 salt stabilizer, safety protection agent and Li deposition improver.