DataVXACS Applied Materials & InterfacesPaper
journal article·2017-10-11

Tunable Electrochemistry via Controlling Lattice Water in Layered Oxides of Sodium-Ion Batteries

Kai Zhu, Shaohua Guo, Qi Li, Yingjin Wei, Gang Chen, Haoshen Zhou

ACS Applied Materials & Interfaces· Volume 9· Issue 40
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Source abstract

Abstract

Layered oxides based on abundant elements have been extensively studied as cathodes of sodium-ion batteries. Among them, birnessite-type sodium manganese oxide containing lattice water meets the low-cost and high-performance requirement for stationary batteries. Herein, we for the first time present the controllable states of lattice water via adjusting the cutoff voltages, effectively enhancing the reversible capacity, cycling stability, and rate ability of the materials. The current investigation not only highlights the significance of intercalated lattice water for reversible Na (de)insertion of birnessite as well as other similar compounds, but also opens up new opportunities for advanced cathode materials for sodium storage.
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Research context

Energy storage

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Supercapacitor Materials and Fabrication

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

Affiliations

National Laboratory of Solid State Microstructures & College of Engineering and Applied Science, Nanjing University, Nanjing 210093, China

Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130021, Jilin, China

Energy Technology Research Institute, Institution National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8568, Japan

Funding

Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China

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