Hydrogen substituted graphdiyne as carbon-rich flexible electrode for lithium and sodium ion batteries

Nature Communications
Jianjiang HeYuliang Li

Abstract

Organic electrodes are potential alternatives to current inorganic electrode materials for lithium ion and sodium ion batteries powering portable and wearable electronics, in terms of their mechanical flexibility, function tunability and low cost. However, the low capacity, poor rate performance and rapid capacity degradation impede their practical application. Here, we concentrate on the molecular design for improved conductivity and capacity, and favorable bulk ion transport. Through an in situ cross-coupling reaction of triethynylbenzene on copper foil, the carbon-rich frame hydrogen substituted graphdiyne film is fabricated. The organic film can act as free-standing flexible electrode for both lithium ion and sodium ion batteries, and large reversible capacities of 1050 mAh g-1 for lithium ion batteries and 650 mAh g-1 for sodium ion batteries are achieved. The electrode also shows a superior rate and cycle performances owing to the extended π-conjugated system, and the hierarchical pore bulk with large surface area.

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Citations

Feb 8, 2018·Chemical Society Reviews·Fang YiZhongfan Liu
Sep 28, 2018·Advanced Materials·Zicheng ZuoYuliang Li
Jan 5, 2019·Chemical Society Reviews·Xin GaoJin Zhang
Feb 16, 2019·Chemistry : a European Journal·Ze YangChangshui Huang
Apr 3, 2019·Nanomaterials·Jianguo ZhaoXianming Liu
May 22, 2019·Chemical Communications : Chem Comm·Yuwei SongChangshui Huang
Jun 22, 2019·Advanced Materials·Ryota SakamotoHiroshi Nishihara
Sep 11, 2019·Chemistry : a European Journal·Chipeng XieChangshui Huang
Oct 23, 2019·ChemSusChem·Kang Jiang, Qunhong Weng
Jan 22, 2020·Angewandte Chemie·Weixiang ZhouYuliang Li
Feb 23, 2020·Small·Chenfeng DingXiaoping Yang
Jan 30, 2020·Nanotechnology·Mi-Mi DongXiao-Xiao Fu
Sep 4, 2019·Angewandte Chemie·Fan WangYuliang Li
Apr 23, 2020·Chemical Communications : Chem Comm·Wenjie MaLanqun Mao
Jun 5, 2020·Chemistry : a European Journal·Yongjun LiHan Shen
Jul 28, 2020·Small·Zhiling ZhuWilliam W Yu
May 1, 2018·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Panyong KuangKe Fan
May 26, 2018·Chemical Communications : Chem Comm·Fuhua ZhaoChangshui Huang
Dec 29, 2018·Advanced Materials·Xuechao LiLifeng Chi
Nov 22, 2019·Frontiers in Chemistry·Yan LiuJian Qin
Sep 22, 2020·Chemical Science·Shixin FaTomoki Ogoshi
Feb 3, 2019·ChemSusChem·Xiangyan ShenChangshui Huang
Sep 25, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Jianjiang HeChangshui Huang
Oct 30, 2020·ChemPlusChem·Xiaonan KanYingjie Zhao
Oct 6, 2020·Angewandte Chemie·Wenli ZhangHusam N Alshareef

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Methods Mentioned

BETA
NMR
X-ray
infrared spectroscopy
column chromatography
scanning
transmission electron microscopy

Software Mentioned

VASP

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