PNb9O25 nanofiber as a high-voltage anode material for advanced lithium ions batteries

Haoxiang Yu; Jundong Zhang; Maoting Xia; Chenchen Deng; Xikun Zhang; Runtian Zheng; Shi Chen; Jie Shu; Zhen-Bo Wang

Journal of Materiomics (Dec 2020)

PNb9O25 nanofiber as a high-voltage anode material for advanced lithium ions batteries

Haoxiang Yu,
Jundong Zhang,
Maoting Xia,
Chenchen Deng,
Xikun Zhang,
Runtian Zheng,
Shi Chen,
Jie Shu,
Zhen-Bo Wang

Affiliations

Haoxiang Yu: MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, State Key Lab of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, No.92 West-Da Zhi Street, Harbin, 150001, Heilongjiang Province, China; Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China
Jundong Zhang: Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China
Maoting Xia: Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China
Chenchen Deng: Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China
Xikun Zhang: Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China
Runtian Zheng: Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China
Shi Chen: Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China
Jie Shu: Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China; Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China; Corresponding author. Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Ningbo, 315211, Zhejiang Province, China.
Zhen-Bo Wang: MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, State Key Lab of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, No.92 West-Da Zhi Street, Harbin, 150001, Heilongjiang Province, China; Corresponding author.

Journal volume & issue: Vol. 6, no. 4
pp. 781 – 787

Abstract

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If the operating voltage of anode materials is below 1.0 V versus Li+/Li, the side reaction between electrolyte and anode materials will occur extensively. Thus, high-voltage anode materials have aroused interest recently. In this work, we report the preparation of PNb9O25 nanofiber via a facile electrospinning method. The PNb9O25 nanofiber shows the high rate performance and excellent cycling performance when it is used as anode in lithium ions batteries. For instance, the PNb9O25 nanofiber can deliver a capacity of 233, 212.1, 193.8, and 181.4 mA h g−1 at 0.2, 1, 3, and 6C, respectively. After 1000 cycles, it can reach at 134.3 mA h g−1 with capacity retention of 70.9%. Meanwhile, the ex situ X-ray photoelectron spectroscopy technique has been adopted to investigate the evolution in valence state of each element for PNb9O25 nanofiber. In addition, the PNb9O25 nanofiber is chosen as the anode material in lithium ion full cell in this work, demonstrating the potential for practical application.

Published in Journal of Materiomics

ISSN: 2352-8478 (Print); 2352-8486 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials
Website: https://www.sciencedirect.com/journal/journal-of-materiomics

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