High-Density Monolith of N-Doped Holey Graphene for Ultrahigh Volumetric Capacity of Li-Ion Batteries

• Published in: Advanced energy materials Vol. 6; no. 6; pp. np - n/a
• Main Authors: Wang, Xiaopeng, Lv, Lingxiao, Cheng, Zhihua, Gao, Jian, Dong, Liye, Hu, Chuangang, Qu, Liangti
• Format: Journal Article
• Language: English
• Published: Weinheim Blackwell Publishing Ltd 01.03.2016; Wiley Subscription Services, Inc
• Subjects: Batteries; doping; Electrodes; Graphene; holey structures; Ion channels; Lithium; Lithium batteries; lithium ion batteries; Packing density; Rechargeable batteries; Strategy; Transport
• ISSN: 1614-6832; 1614-6840
• DOI: 10.1002/aenm.201502100

A convenient and scalable strategy to prepare N‐doped holey‐graphene monolith (NHGM) electrodes with high volumetric capacity for lithium‐ion batteries is shown. The holey‐graphene sheets are an excellent material featuring a high Li‐ion storage, unimpeded ion channels, and high volumetric capacity. NHGM possesses the advantageous features of a high packing density, efficient ion channels, and favorable mass transport, resulting in a high volumetric capacity, high rate capability, and excellent stability as anode material for lithium‐ion batteries.