Neuron-Mimic Smart Electrode: A Two Dimensional Multiscale Synergistic Strategy for Densely Packed and High-Rate Lithium Storage

doi:10.1021/acsnano.9603474

	Neuron-Mimic Smart Electrode: A Two Dimensional Multiscale Synergistic Strategy for Densely Packed and High-Rate Lithium Storage
	Yu, Jia 1,3; Wang, Yanlei 1; Kong, Long 2; Chen, Shimou 1; Zhang, Suojiang 1
刊名	ACS NANO
	2019-08-01
卷号	13 期号:8 页码:9148-9160
关键词	biomimetic electrode two-dimensional assembly multiscale structure smart electrochemical behavior lithium-ion battery
ISSN号	1936-0851
DOI	10.1021/acsnano.9603474
英文摘要	Conventional microsized and nanosized secondary battery electrodes inevitably suffer from poor rate capability and low tap density, respectively. Inspired by a multipolar neuron consisting of a centric micron-soma and multiple divergent nanodendrites, we propose a smart electrode design based on a two-dimensional (2D) multiscale synergistic strategy, for addressing both of the above problems. As a proof of concept, multiple Zn-doped Co-based regional-nanoarrays are grown on one Co-doped Zn-based micron-star in a 2D mode via a facile one-pot liquid-phase process, serving as a representative neuron mimic anode for lithium-ion batteries. The 2D assembly well retains the tap density advantage derived from the micron star subunit. Combined analysis of three-dimensional tomographic reconstruction, Li-storage kinetics, and in situ transmission electron microscopy reveal a smart electrochemical behavior similar to a neuron working mechanism, which significantly enhances rate capability as compared to the single micron-star subunit. A mutual-doping effect also benefits high-rate lithium storage as verified by density functional theory calculations. As expected, superior reversible areal capacity (2.52 mA h cm(-2)), high long-term capacity retention (<0.024% loss per cycle over 800 cycles after initial 5 cycles), and enhanced rate capability (1 order of magnitude higher than the microsized electrode) are obtained, accompanied by considerable high-temperature endurance.
资助项目	National Key Projects for Fundamental Research and Development of China[2016YFB0100104] ; National Natural Science Foundation of China[91534109] ; National Natural Science Foundation of China[91434203] ; K. C. Wong Education Foundation[GJTD-2018-04] ; Beijing Natural Science Foundation[2184124]
WOS关键词	ION BATTERY ; PERFORMANCE ; ANODE ; FRAMEWORK ; ARRAYS ; NANOPARTICLES ; FABRICATION ; COMPOSITES ; NANOWIRES ; AEROGELS
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000484077800064
资助机构	National Key Projects for Fundamental Research and Development of China ; National Natural Science Foundation of China ; K. C. Wong Education Foundation ; Beijing Natural Science Foundation
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/30775]
专题	中国科学院过程工程研究所
通讯作者	Chen, Shimou; Zhang, Suojiang
作者单位	1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China 2.Southern Univ Sci & Technol, Acad Adv Interdisciplinary Studies, Shenzhen 518000, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Yu, Jia,Wang, Yanlei,Kong, Long,et al. Neuron-Mimic Smart Electrode: A Two Dimensional Multiscale Synergistic Strategy for Densely Packed and High-Rate Lithium Storage[J]. ACS NANO,2019,13(8):9148-9160.
APA	Yu, Jia,Wang, Yanlei,Kong, Long,Chen, Shimou,&Zhang, Suojiang.(2019).Neuron-Mimic Smart Electrode: A Two Dimensional Multiscale Synergistic Strategy for Densely Packed and High-Rate Lithium Storage.ACS NANO,13(8),9148-9160.
MLA	Yu, Jia,et al."Neuron-Mimic Smart Electrode: A Two Dimensional Multiscale Synergistic Strategy for Densely Packed and High-Rate Lithium Storage".ACS NANO 13.8(2019):9148-9160.