NDLI: Pseudohexagonal Nb<sub>2</sub>O<sub>5</sub> Anodes for Fast-Charging Potassium-Ion Batteries.

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Pseudohexagonal Nb₂O₅ Anodes for Fast-Charging Potassium-Ion Batteries.

Content Provider	Europe PMC
Author	Chen, Guanxu Chen, Jintao Zhao, Siyu He, Guanjie Miller, Thomas S.
Copyright Year	2023
Abstract	High-rate batterieswill play a vital role in future energy storagesystems, yet while good progress is being made in the developmentof high-rate lithium-ion batteries, there is less progress with post-lithium-ionchemistry. In this study, we demonstrate that pseudohexagonal Nb2O5(TT-Nb2O5) can offer ahigh specific capacity (179 mAh g–1 ∼ 0.3C),good lifetime, and an excellent rate performance (72 mAh g–1 at ∼15C) in potassium-ion batteries (KIBs), when it is compositedwith a highly conductive carbon framework; this is the first reportedinvestigation of TT-Nb2O5 for KIBs. Specifically,multiwalled carbon nanotubes are strongly tethered to Nb2O5 via glucose-derived carbon (Nb2O5@CNT) by a one-step hydrothermal method, which results in highlyconductive and porous needle-like structures. This work thereforeoffers a route for the scalable production of a viable KIB anode materialand hence improves the feasibility of fast-charging KIBs for futureapplications.
ISSN	19448244
Journal	ACS Applied Materials & Interfaces
Volume Number	15
PubMed Central reference number	PMC10080539
Issue Number	13
PubMed reference number	36943902
e-ISSN	19448252
DOI	10.1021/acsami.2c21490
Language	English
Publisher	American Chemical Society
Publisher Date	2023-03-21
Access Restriction	Open
Rights License	Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/). © 2023 The Authors. Published by American Chemical Society
Subject Keyword	KIB potassium-ion batteries carbon nanomaterials PIB niobium oxide battery anode
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Medicine Materials Science

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