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一种用于钠离子电池的稳定隧道型NaGeMnO阳极。

A stable tunnel-type NaGeMnO anode for Na-ion batteries.

作者信息

Cui Ying, Zhang Ruie, Lei Xiaofeng, Liu Xizheng

机构信息

Tianjin Key Laboratory of Advanced Functional Porous Materials, Institute for New Energy Materials and Low-Carbon Technologies, School of Material Science and Engineering, Tianjin University of Technology Tianjin 300384 P. R. China.

出版信息

RSC Adv. 2020 Jan 8;10(3):1426-1429. doi: 10.1039/c9ra09020g. eCollection 2020 Jan 7.

DOI:10.1039/c9ra09020g
PMID:35494682
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9048186/
Abstract

Tunnel-type NaGeMnO was fabricated for anode of sodium ion batteries, delivering a discharge capacity of 200.32 mAh g and an ultra-low potential platform compared with that of pure NaGeO (NGO). The results of X-ray photoelectron spectroscopy (XPS) demonstrate that Ge redox occurs, and partial substitution of Mn effectively improves the Na-storage properties compared to those of NGO.

摘要

隧道型NaGeMnO被制备用于钠离子电池的阳极，与纯NaGeO（NGO）相比，其放电容量为200.32 mAh g ，且具有超低电位平台。X射线光电子能谱（XPS）结果表明发生了Ge氧化还原反应，与NGO相比，Mn的部分取代有效地改善了储钠性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/b2da833adfac/c9ra09020g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/c862b27be6ff/c9ra09020g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/8d55e289a2d2/c9ra09020g-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/865ac4891f12/c9ra09020g-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/cb923a56223c/c9ra09020g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/b2da833adfac/c9ra09020g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/c862b27be6ff/c9ra09020g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/8d55e289a2d2/c9ra09020g-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/865ac4891f12/c9ra09020g-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/cb923a56223c/c9ra09020g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b10/9048186/b2da833adfac/c9ra09020g-f5.jpg

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本文引用的文献

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用于固定储能的高压长寿命钠离子全电池。
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A zero-strain layered metal oxide as the negative electrode for long-life sodium-ion batteries.作为负极的零应变层状金属氧化物用于长寿命钠离子电池。
Nat Commun. 2013;4:2365. doi: 10.1038/ncomms3365.
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Microspheric Na2Ti3O7 consisting of tiny nanotubes: an anode material for sodium-ion batteries with ultrafast charge-discharge rates.由微小纳米管组成的微球形 Na2Ti3O7：用于钠离子电池的超快充放电速率的阳极材料。
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