All‐Purpose Electrodes: All‐Purpose Electrode Design of Flexible Conductive Scaffold toward High‐Performance Li–S Batteries (Adv. Funct. Mater. 19/2020)

He, Yusen; Li, Mingjun; Zhang, Yongguang; Shan, Zhenzhen; Zhao, Yan; Li, Jingde; Liu, Guihua; Liang, Chunyong; Bakenov, Zhumabay; Li, Qiang

doi:10.1002/adfm.202070123

Cited by 26 publications

(38 citation statements)

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“…Table S1 (Supporting Information) compares the pouch cell performance in this work with the data from some recently published literatures, and the performance of the IsIP‐electrolyte‐loaded Li–S pouch cell is among the highly competitive results, which proves the superiority of the IsIP strategy in facilitating and stabilizing sulfur electrochemistry toward high‐loading Li–S pouch cells. [ 44–57 ]…”

Section: Figurementioning

confidence: 99%

A Rational Reconfiguration of Electrolyte for High‐Energy and Long‐Life Lithium–Chalcogen Batteries

et al. 2020

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Lithium–chalcogen batteries are an appealing choice for high‐energy‐storage technology. However, the traditional battery that employs liquid electrolytes suffers irreversible loss and shuttle of the soluble intermediates. New batteries that adopt Li+‐conductive polymer electrolytes to mitigate the shuttle problem are hindered by incomplete discharge of sulfur/selenium. To address the trade‐off between energy and cycle life, a new electrolyte is proposed that reconciles the merits of liquid and polymer electrolytes while resolving each of their inferiorities. An in situ interfacial polymerization strategy is developed to create a liquid/polymer hybrid electrolyte between a LiPF6‐coated separator and the cathode. A polymer‐gel electrolyte in situ formed on the separator shows high Li+ transfer number to serve as a chemical barrier against the shuttle effect. Between the gel electrolyte and the cathode surface is a thin gradient solidification layer that enables transformation from gel to liquid so that the liquid electrolyte is maintained inside the cathode for rapid Li+ transport and high utilization of active materials. By addressing the dilemma between the shuttle chemistry and incomplete discharge of S/Se, the new electrolyte configuration demonstrates its feasibility to trigger higher capacity retention of the cathodes. As a result, Li–S and Li–Se cells with high energy and long cycle lives are realized, showing promise for practical use.

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Section: Figurementioning

confidence: 99%

A Rational Reconfiguration of Electrolyte for High‐Energy and Long‐Life Lithium–Chalcogen Batteries

et al. 2020

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“…As shown in Figure a–n, He et al. [ 36 ] reported an all‐purpose CoNi@PNCFs with multiple adsorptive/catalytic sites that can simultaneously serve in the sulfur cathode and Li metal anode. The CoNi metals and metal–N–C sites within the skeleton of mesoporous carbon could not only offer improved interactions with LiPSs as absorption and catalysis effect but also induce homogenous Li nucleus growth when cooperating with the 3D network structure.…”

Section: Recent Development On Electrospinning‐based Nanofibers In Li...mentioning

confidence: 99%

“…Reproduced with permission. [ 36 ] Copyright 2020, Wiley‐VCH. o) Synthesis schematic for the S/TiN‐VN@CNFs cathode, the Li/TiN‐VN@CNFs anode, and the S/TiN‐VN@CNFs || Li/TiN‐VN@CNFs full battery configuration.…”

Section: Recent Development On Electrospinning‐based Nanofibers In Li...mentioning

confidence: 99%

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Lithium–Sulfur Batteries Meet Electrospinning: Recent Advances and the Key Parameters for High Gravimetric and Volume Energy Density

et al. 2021

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Lithium–sulfur (Li–S) batteries have been regarded as a promising next‐generation energy storage technology for their ultrahigh theoretical energy density compared with those of the traditional lithium‐ion batteries. However, the practical applications of Li–S batteries are still blocked by notorious problems such as the shuttle effect and the uncontrollable growth of lithium dendrites. Recently, the rapid development of electrospinning technology provides reliable methods in preparing flexible nanofibers materials and is widely applied to Li–S batteries serving as hosts, interlayers, and separators, which are considered as a promising strategy to achieve high energy density flexible Li–S batteries. In this review, a fundamental introduction of electrospinning technology and multifarious electrospinning‐based nanofibers used in flexible Li–S batteries are presented. More importantly, crucial parameters of specific capacity, electrolyte/sulfur (E/S) ratio, sulfur loading, and cathode tap density are emphasized based on the proposed mathematic model, in which the electrospinning‐based nanofibers are used as important components in Li–S batteries to achieve high gravimetric (WG) and volume (WV) energy density of 500 Wh kg−1 and 700 Wh L−1, respectively. These systematic summaries not only provide the principles in nanofiber‐based electrode design but also propose enlightening directions for the commercialized Li–S batteries with high WG and WV.

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“…[ 4–6 ] However, practical applications of Li‐S batteries are hampered by the poor conductivity and large volume‐change of sulfur, the shuttle effect of soluble polysulfides, and slow redox reaction kinetic of sulfur. [ 7–11 ]…”

Section: Introductionmentioning

confidence: 99%

A Lamellar Yolk–Shell Lithium‐Sulfur Battery Cathode Displaying Ultralong Cycling Life, High Rate Performance, and Temperature Tolerance

et al. 2021

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The shuttling behavior and slow conversion kinetics of the intermediate lithium polysulfides are the severe obstacles for the application of lithium‐sulfur (Li‐S) batteries over a wide temperature range. Here, an engineered lamellar yolk–shell structure of In2O3@void@carbon for the Li‐S battery cathode is developed for the first time to construct a powerful barrier that effectively inhibits the shuttling of polysulfides. On the basis of the unique nanochannel‐containing morphology, the continuous kinetic transformation of sulfur and polysulfides is confined in a stable framework, which is demonstrated by using X‐ray nanotomography. The constructed Li‐S battery exhibits a high cycling capability over 1000 cycles at 1.0 C with a capacity decay rate as low as 0.038% per cycle, good rate performance, and temperature tolerance at −10, 25, and 50 °C. A nondestructive in situ monitoring method of the interfacial reaction resistance in different cycling stages is proposed, which provides a new analysis perspective for the development of emerging electrochemical energy‐storage systems.

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All‐Purpose Electrodes: All‐Purpose Electrode Design of Flexible Conductive Scaffold toward High‐Performance Li–S Batteries (Adv. Funct. Mater. 19/2020)

Cited by 26 publications

References 0 publications

A Rational Reconfiguration of Electrolyte for High‐Energy and Long‐Life Lithium–Chalcogen Batteries

A Rational Reconfiguration of Electrolyte for High‐Energy and Long‐Life Lithium–Chalcogen Batteries

Lithium–Sulfur Batteries Meet Electrospinning: Recent Advances and the Key Parameters for High Gravimetric and Volume Energy Density

A Lamellar Yolk–Shell Lithium‐Sulfur Battery Cathode Displaying Ultralong Cycling Life, High Rate Performance, and Temperature Tolerance

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