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Title: Intercalation Pseudocapacitance of Exfoliated Molybdenum Disulfide for Ultrafast Energy Storage

Abstract

In this study, we report intercalation pseudocapacitance of 250 F g-1 for exfoliated molybdenum disulfide (MoS2) in non-aqueous electrolytes that contain lithium ions. The exfoliated MoS2 shows surface-limited reaction kinetics with high rate capability up to 3 min of charge or discharge. The intercalation pseudocapacitance originates from the extremely fast kinetics due to the enhanced ionic and electronic transport enabled by the slightly expanded layer structure as well as the metallic 1T-phase. The exfoliated MoS2 could be also used in a Li-Mg-ion hybrid capacitor, which shows full cell specific capacitance of 240 F g-1.

Authors:
 [1];  [1];  [1];  [2];  [3];  [4]
  1. University of Houston, TX (United States). Department of Electrical & Computer Engineering and Materials Science and Engineering Program
  2. Morgan State University, Baltimore, MD (United States). Department of Physics and Engineering Physics
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). Sustainable Energy Technologies Department
  4. University of Houston, TX (United States). Department of Electrical & Computer Engineering and Materials Science and Engineering Program and Texas Centre for Superconductivity
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
OSTI Identifier:
1347281
Report Number(s):
BNL-112700-2016-JA
Journal ID: ISSN 2199-692X
Grant/Contract Number:  
SC00112704
Resource Type:
Accepted Manuscript
Journal Name:
ChemNanoMat
Additional Journal Information:
Journal Volume: 2; Journal Issue: 7; Journal ID: ISSN 2199-692X
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; Energy storage; Intercalation pseudocapacitance; Molybdenum disulphide; Exfoliated structure; Supercapacitor

Citation Formats

Yoo, Hyun Deog, Li, Yifei, Liang, Yanliang, Lan, Yucheng, Wang, Feng, and Yao, Yan. Intercalation Pseudocapacitance of Exfoliated Molybdenum Disulfide for Ultrafast Energy Storage. United States: N. p., 2016. Web. doi:10.1002/cnma.201600117.
Yoo, Hyun Deog, Li, Yifei, Liang, Yanliang, Lan, Yucheng, Wang, Feng, & Yao, Yan. Intercalation Pseudocapacitance of Exfoliated Molybdenum Disulfide for Ultrafast Energy Storage. United States. doi:10.1002/cnma.201600117.
Yoo, Hyun Deog, Li, Yifei, Liang, Yanliang, Lan, Yucheng, Wang, Feng, and Yao, Yan. Mon . "Intercalation Pseudocapacitance of Exfoliated Molybdenum Disulfide for Ultrafast Energy Storage". United States. doi:10.1002/cnma.201600117. https://www.osti.gov/servlets/purl/1347281.
@article{osti_1347281,
title = {Intercalation Pseudocapacitance of Exfoliated Molybdenum Disulfide for Ultrafast Energy Storage},
author = {Yoo, Hyun Deog and Li, Yifei and Liang, Yanliang and Lan, Yucheng and Wang, Feng and Yao, Yan},
abstractNote = {In this study, we report intercalation pseudocapacitance of 250 F g-1 for exfoliated molybdenum disulfide (MoS2) in non-aqueous electrolytes that contain lithium ions. The exfoliated MoS2 shows surface-limited reaction kinetics with high rate capability up to 3 min of charge or discharge. The intercalation pseudocapacitance originates from the extremely fast kinetics due to the enhanced ionic and electronic transport enabled by the slightly expanded layer structure as well as the metallic 1T-phase. The exfoliated MoS2 could be also used in a Li-Mg-ion hybrid capacitor, which shows full cell specific capacitance of 240 F g-1.},
doi = {10.1002/cnma.201600117},
journal = {ChemNanoMat},
number = 7,
volume = 2,
place = {United States},
year = {2016},
month = {5}
}

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    Works referencing / citing this record:

    Electrochemical performance of interspace-expanded molybdenum disulfide few-layer
    journal, July 2018


    Electrochemical performance of interspace-expanded molybdenum disulfide few-layer
    journal, July 2018