DataVXACS Applied Materials & InterfacesPaper
journal article·2016-01-13

Highly Reversible and Ultrafast Sodium Storage in NaTi2(PO4)3 Nanoparticles Embedded in Nanocarbon Networks

Yu Jiang, Jinan Shi, Min Wang, Linchao Zeng, Lin Gu, Yan Yu

ACS Applied Materials & Interfaces· Volume 8· Issue 1
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Source abstract

Abstract

Sodium ion batteries (NIBs) have been considered as an alternative for Li ion batteries (LIBs). NaTi2(PO4)3 (denoted as NTP) is a superior anode material for NIBs. However, the poor electrochemical performance of NTP resulting from the low electronic conductivity prevents its application. Here, NTP nanoparticles embedded in carbon network (denoted as NTP/C) were fabricated using a simple soft-template method. This anode material exhibits superior electrochemical performance when used as anode electrodes for NIBs, including highly reversible capacity (108 mAh g(-1) at 100 C) for excellent rate performance and long cycle life (83 mAh g(-1) at 50 C after 6000 cycles). The excellent sodium storage property can be resulted from the synergistic effects of nanosized NTP, thinner carbon shell and the interconnected carbon network, leading to the low charge transfer resistance, the large surface area for electrolyte to soak in and enough void to buffer the volume variation during the repeated cycle.
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Research context

Energy storageNanomaterials

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Inorganic Chemistry and Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences (CAS), Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China

Beijing Laboratory for Electron Microscopy, Institute of Physics, Chinese Academy of Sciences (CAS), Beijing, 100190, China

State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui 230026, China

Funding

Program for New Century Excellent Talents in University · Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · Central Committee of the Communist Party of China · Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China

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