The preparation and properties of N-doped carbon materials and their use for sodium storage
Defect engineering by heteroatom doping gives carbon materials some new characteristics such as a different electron-ic structure and a high electrochemical activity,making them suitable for high-performance applications.N-doping has been widely investigated because of its similar atom radius to carbon,high electronegativity as well as many different configurations.We sum-marize the preparation methods and properties of N-doped carbon materials,and discuss their possible use in sodium ion storage.The relationships between N content/configuration and crystallinity,electronic conductivity,wettability,chemical reactivity as well as so-dium ion storage performance are discussed.
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