journal article·2019-07-10

High-Voltage All-Solid-State Na-Ion-Based Full Cells Enabled by All NASICON-Structured Materials

Hua-Bin Sun, Jin-Zhi Guo, Yi Zhang, Tao Wei, Ying-Xian Zhou, Lu-Lu Zhang, Xing-Long Wu, Yunhui Huang, Wei Luo

ACS Applied Materials & Interfaces· Volume 11· Issue 27
Publisher page

Abstract

Na super ionic conductor (NASICON)-structured materials have evolved to play many critical roles in battery systems because of their three-dimensional framework structures. Here, by coupling NASICON-structured Na3V2(PO4)2O2F cathodes and Na3V2(PO4)3 anodes, an asymmetric Na-ion-based full cell exhibits two flat voltage plateaus at about 2.3 and 1.9 V and a high capacity of 101 mA h/g. Moreover, an all-solid-state Na-ion battery has been further enabled by the concept of using all NASICON-structured materials, including cathodes, anodes, and electrolytes (Na5YSi4O12), which delivers a high output voltage. Importantly, the full cell displays high safety without using a flammable organic liquid electrolyte and superior structure stability with all NASICON-structured materials.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced battery technologies research

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

Affiliations

Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai 201804, China

Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, National and Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

School of Material Science and Engineering, University of Jinan, Jinan, Shandong 250022, China

College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Centre for New Energy Microgrid, China Three Gorges University, Yichang, Hubei 443002, China

Funding

Ministry of Education of the People's Republic of China

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