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Sökning: onr:"swepub:oai:research.chalmers.se:aedacbae-8c44-49fe-b3e5-dd8bab8cec18" > Designing Highly Co...

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00002898naa a2200385 4500
008191219s2020 | |||||||||||000 ||eng|
024a https://doi.org/10.1002/smll.2019055852 DOI
024a https://research.chalmers.se/publication/5144232 URI
024a https://research.chalmers.se/publication/5150782 URI
040 a (SwePub)cth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Agostini, Marco,d 1987u Chalmers University of Technology,Chalmers tekniska högskola4 aut0 (Swepub:cth)agostini
2451 0a Designing Highly Conductive Functional Groups Improving Guest-Host Interactions in Li/S Batteries
264 1c 2020
520 a Li-sulfur batteries are of great interest due to their potential to surpass the energy densities of other battery types, but the low electronic conductivity of both sulfur and its discharge products requires the use of a conductive host material. The most common is the use of different porous carbons which normally are hydrophobic and hardly retain the polar discharge products of the Li/S reaction, such as Li2S and lithium polysulfides (LiPs), at the working electrode. Functionalized hosts have been proposed as a strategy to improve LiPs interactions, including the use of heteroatom doping, organic frameworks, metals, metal oxides, sulfide particles, and conductive polymers. Despite demonstrating an improved cycle life, the functionalized structures often have an intrinsic limitation related to a low electronic conductivity resulting in slow kinetics and poor rate capability of Li/S cells. Herein, recent research trends aimed at designing sulfur electrodes with highly conductive functional groups on nanostructured hosts surface are reviewed. The main concepts, key developments, and parameters for building 3D hosts architectures that enable fast charge rates and long cycle life at high sulfur loadings are discussed.
650 7a NATURVETENSKAPx Kemi0 (SwePub)1042 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciences0 (SwePub)1042 hsv//eng
653 a Li
653 a increasing rate capability of Li
653 a S batteries
653 a S batteries
653 a host interactions
653 a designing 3D hosts with highly conductive functional groups
653 a improving sulfur
700a Matic, Aleksandar,d 1968u Chalmers University of Technology,Chalmers tekniska högskola4 aut0 (Swepub:cth)matic
710a Chalmers University of Technologyb Chalmers tekniska högskola4 org
773t Smallg 16:2q 16:2x 1613-6810x 1613-6829
8564 8u https://doi.org/10.1002/smll.201905585
8564 8u https://research.chalmers.se/publication/514423
8564 8u https://research.chalmers.se/publication/515078

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