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      Oxygen Vacancy Engineering in Tin(IV) Oxide Based Anode Materials toward Advanced Sodium-Ion Batteries.

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          Abstract

          A high theoretical capacity of approximately 1400 mA h g-1 makes SnO2 a promising anode material for sodium-ion batteries (SIBs). However, large volume expansion, poor intrinsic conductivity, and sluggish reaction kinetics have greatly hindered its practical application. The controlled creation of oxygen vacancy (OV) defects allows the intrinsic properties of SnO2 to be effectively modulated, but related work concerning SIBs is still lacking. In this Minireview, the mechanism of failure of SnO2 electrodes is discussed and an overview of recent progress in the general synthesis of OV-containing SnO2 materials and the feasible detection of OVs in SnO2 is presented. The use of OV-containing SnO2 -based anode materials in SIBs is also reviewed. Finally, challenges and future opportunities to engineer OVs for semiconductor oxides are examined.

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          Author and article information

          Journal
          ChemSusChem
          ChemSusChem
          Wiley
          1864-564X
          1864-5631
          Nov 09 2018
          : 11
          : 21
          Affiliations
          [1 ] College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, P. R. China.
          [2 ] Guangdong Flexible Wearable Energy Tools Engineering Technology Research Centre, Shenzhen University, Shenzhen, Guangdong, 518060, P. R. China.
          [3 ] School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
          Article
          10.1002/cssc.201801694
          30207640
          d3af5ba3-ba4a-46e1-afa6-3db7939ee789
          © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
          History

          anode materials,batteries,conducting materials,electrochemistry,tin

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