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High‐Density Monolith of N‐Doped Holey Graphene for Ultrahigh Volumetric Capacity of Li‐Ion Batteries
Author(s) -
Wang Xiaopeng,
Lv Lingxiao,
Cheng Zhihua,
Gao Jian,
Dong Liye,
Hu Chuangang,
Qu Liangti
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201502100
Subject(s) - materials science , graphene , monolith , lithium (medication) , anode , ion , scalability , doping , nanotechnology , chemical engineering , electrode , computer science , optoelectronics , database , biochemistry , physics , quantum mechanics , medicine , chemistry , endocrinology , engineering , catalysis
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.