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Sacrificial template synthesis of hollow C@MoS2@PPy nanocomposites as anodes for enhanced sodium storage performance

Journal Article · · Nano Energy
 [1];  [2];  [1];  [1];  [1];  [1];  [2]
  1. Ludong Univ., Yantai (China)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
Molybdenum disulfide (MoS2) has become a potential anode material for sodium-ion batteries (SIBs) by showing decent cell performance but it suffers poor electronic conductivity and large volume expansion during sodiation. Here we design a nanocomposite with hollow nitrogen doped carbon and polypyrrole modified MoS2 for improving the performance for SIBs. The designed nanocomposite shows a much-improved electronic conductivity and the design of the architecture provides sufficient channels for mass transport and accommodates large volume change. This C@MoS2@PPy anode delivers a high specific capacity of 713 mAh g-1 at 0.1 A g-1 for 100 cycles, and an excellent rate capacity of 294 mAh g-1 at 5 A g-1 for 500 cycles. This specific architecture of C@MoS2@PPy could guide the future design of the electrode material in SIBs and its superior electrochemical performance indicates the great potential application for SIBs.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Natural Science Foundation of China (NSFC); USDOE Office of Energy Efficiency and Renewable Energy (EERE) - Office of Vehicle Technologies (VTO)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1523650
Journal Information:
Nano Energy, Journal Name: Nano Energy Journal Issue: C Vol. 60; ISSN 2211-2855
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

Facile Synthesis of Copper Sulfide Nanosheet@Graphene Oxide for the Anode of Potassium‐Ion Batteries journal September 2019
Metal Chalcogenides: Paving the Way for High‐Performance Sodium/Potassium‐Ion Batteries journal October 2019
The Advances of Metal Sulfides and In Situ Characterization Methods beyond Li Ion Batteries: Sodium, Potassium, and Aluminum Ion Batteries journal November 2019
Construction of hierarchical V 4 C 3 -MXene/MoS 2 /C nanohybrids for high rate lithium-ion batteries journal January 2020
Layer-by-layer stacked nanohybrids of N,S-co-doped carbon film modified atomic MoS 2 nanosheets for advanced sodium dual-ion batteries journal January 2019
Bimetallic phosphosulfide Zn–Ni–P–S nanosheets as binder-free electrodes for aqueous asymmetric supercapacitors with impressive performance journal January 2019

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