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Title: Tunable Core-Shell Single-Walled Carbon Nanotube-Cu2S Networked Nanocomposites as High-Performance Cathodes for Lithium-ion Batteries

Journal Article · · Journal of Power Sources
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  1. Argonne National Lab. (ANL), Argonne, IL (United States)
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In this study, nanoscale copper(I) sulfide (n-Cu2S) was deposited over networks of single-walled carbon nanotubes (SWCNTs) by atomic layer deposition (ALD). This synthetic route provides a high degree of control for tuning the materials properties. The resulting core shell SWCNT-n-Cu2S composite structure ensures an intimate contact between the two components while maintaining a high porosity for efficient transport of charges. Indeed, electrochemical testing demonstrates that these nanocomposites are promising as cathodes in lithium-ion batteries (LIBs), exhibiting excellent stability over 200 discharge-charge cycles with a sustainable, high capacity of 260 mAh g(-1) (92% of the theoretical value in terms of Cu2S) and >99% Coulombic efficiency. This work establishes a general strategy for developing high-performance nanoscale electrode materials.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1357482
Alternate ID(s):
OSTI ID: 1250120
Journal Information:
Journal of Power Sources, Vol. 280; ISSN 0378-7753
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 51 works
Citation information provided by
Web of Science

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Cited By (10)

Copper Sulfide (Cu x S) Nanowire‐in‐Carbon Composites Formed from Direct Sulfurization of the Metal‐Organic Framework HKUST‐1 and Their Use as Li‐Ion Battery Cathodes journal March 2018
Nanoscale Engineering of Heterostructured Anode Materials for Boosting Lithium-Ion Storage journal June 2016
CuFeS2 as an anode material with an enhanced electrochemical performance for lithium-ion batteries fabricated from natural ore chalcopyrite journal May 2019
Highly Efficient Nanocarbon Coating Layer on the Nanostructured Copper Sulfide-Metal Organic Framework Derived Carbon for Advanced Sodium-Ion Battery Anode journal April 2019
CuS and Cu 2 S as Cathode Materials for Lithium Batteries: A Review journal March 2019
Carbon-based core–shell nanostructured materials for electrochemical energy storage journal January 2018
Highly porous three-dimensional carbon nanotube foam as a freestanding anode for a lithium-ion battery journal January 2016
Atomic layer deposition of Cu( i ) oxide films using Cu( ii ) bis(dimethylamino-2-propoxide) and water journal January 2017
Natural chalcopyrite as a sulfur source and its electrochemical performance for lithium–sulfur batteries journal January 2019
Recent Development of Advanced Electrode Materials by Atomic Layer Deposition for Electrochemical Energy Storage journal May 2016

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25 ENERGY STORAGE
Atomic layer deposition
Cathode
Cu 2 S
Lithium-ion battery