Efficient Polytelluride Anchoring for Ultralong-Life Potassium Storage: Combined Physical Barrier and Chemisorption in Nanogrid-in-Nanofiber

Efficient Polytelluride Anchoring for Ultralong-Life Potassium Storage: Combined Physical Barrier and Chemisorption in Nanogrid-in-Nanofiber

Highlights The hierarchical nanogrid-in-nanofiber-structured dual-type carbon-confined CoTe2 nanodots (CoTe2@NC@NSPCNFs) were synthesized via facile templates and an electrospinning approach. Hierarchical nanogrid-in-nanofiber structure effectively suppresses the volume change of CoTe2 and the shutt...

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Bibliographic Details
Main Authors: Qinghua Li, Dandan Yu, Jian Peng, Wei Zhang, Jianlian Huang, Zhixin Liang, Junling Wang, Zeyu Lin, Shiyun Xiong, Jiazhao Wang, Shaoming Huang
Format: Article
Language:English
Published: SpringerOpen 2024-01-01
Series:Nano-Micro Letters
Subjects:
Polytelluride dissolution
Nanogrid-in-nanofiber structure
Physicochemical adsorption
Reaction mechanism
Ultralong-life potassium storage
Online Access:https://doi.org/10.1007/s40820-023-01318-9
Description
Summary:Highlights The hierarchical nanogrid-in-nanofiber-structured dual-type carbon-confined CoTe2 nanodots (CoTe2@NC@NSPCNFs) were synthesized via facile templates and an electrospinning approach. Hierarchical nanogrid-in-nanofiber structure effectively suppresses the volume change of CoTe2 and the shuttle of potassium polytelluride (K-pTe x ) through robust physical restraint and strong chemisorption. CoTe2@NC@NSPCNFs hybrid achieves ultralong lifespan potassium-storage performance over 3500 cycles, and the deep mechanisms underlying the evolution, dissolution, and shuttle of K-pTe x have been clearly revealed.
ISSN:2311-6706
2150-5551

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