Abstract Utilization of the Kirkendall effect, a composite of holey graphene confined hollow nickel oxide nanocrystals is designed and successfully fabricated using an in situ etching approach. The composite exhibits remarkable lithium storage performance including high reversible specific capacity, great cycling durability, and excellent rate capability. This work offers a promising innovative architecture to designing high-performance electrode materials for advanced lithium ion batteries.

中文翻译：

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用于锂离子存储的多孔石墨烯限制中空氧化镍纳米晶体

摘要 利用柯肯德尔效应，设计并使用原位蚀刻方法成功制备了多孔石墨烯限制的空心氧化镍纳米晶体的复合材料。该复合材料表现出卓越的锂存储性能，包括高可逆比容量、良好的循环耐久性和优异的倍率性能。这项工作为设计用于先进锂离子电池的高性能电极材料提供了一种有前途的创新架构。