Nickel Oxide Decorated Halloysite Nanotubes as Sulfur Host Materials for Lithium-Sulfur Batteries.
cycling stability
halloysites
lithium–sulfur batteries
nickel oxide
Journal
Global challenges (Hoboken, NJ)
ISSN: 2056-6646
Titre abrégé: Glob Chall
Pays: Germany
ID NLM: 101705641
Informations de publication
Date de publication:
Jul 2023
Jul 2023
Historique:
received:
15
01
2023
revised:
09
03
2023
medline:
24
7
2023
pubmed:
24
7
2023
entrez:
24
7
2023
Statut:
epublish
Résumé
Lithium-sulfur batteries with high energy density still confront many challenges, such as polysulfide dissolution, the large volume change of sulfur, and fast capacity fading in long-term cycling. Herein, a naturally abundant clay material, halloysite, is introduced as a sulfur host material in the cathode of Li-S batteries. Nickel oxide nanoparticles are embedded into the halloysite nanotubes (NiO@Halloysite) by hydrothermal and calcination treatment to improve the affinity of halloysite nanotubes to polysulfides. The NiO@Halloysite composite loaded with sulfur (S/NiO@Halloysite) is employed as the cathode of Li-S batteries, which combines the physical confinements of tubular halloysite particles and good chemical adsorption ability of NiO. The S/NiO@Halloysite electrode exhibits a high discharge capacity of 1205.47 mAh g
Identifiants
pubmed: 37483418
doi: 10.1002/gch2.202300005
pii: GCH21497
pmc: PMC10362100
doi:
Types de publication
Journal Article
Langues
eng
Pagination
2300005Informations de copyright
© 2023 The Authors. Global Challenges published by Wiley‐VCH GmbH.
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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