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Title: Pseudocapacitive Charge Storage in Thick Composite MoS2 Nanocrystal-Based Electrodes

Abstract

A synthesis methodology is demonstrated to produce MoS2 nanoparticles with an expanded atomic lamellar structure that are ideal for Faradaic–based capacitive charge storage. While much of the work on MoS2 focuses on the high capacity conversion reaction, that process is prone to poor reversibility. The pseudocapacitive intercalation–based charge storage reaction of MoS2 is investigated, which is extremely fast and highly reversible. A major challenge in the field of pseudocapacitive–based energy storage is the development of thick electrodes from nanostructured materials that can sustain the fast inherent kinetics of the active nanocrystalline material. Here a composite electrode comprised of a poly(acrylic acid) binder, carbon fibers, and carbon black additives is utilized. Here, these electrodes deliver a specific capacity of 90 mAh g–1 in less than 20 s and can be cycled 3000 times while retaining over 80% of the original capacity. Quantitative kinetic analysis indicates that over 80% of the charge storage in these MoS2 nanocrystals is pseudocapacitive. Asymmetric full cell devices utilizing a MoS2 nanocrystal–based electrode and an activated carbon electrode achieve a maximum power density of 5.3 kW kg–1 (with 6 Wh kg–1 energy density) and a maximum energy density of 37 Wh kg–1 (with 74 W kg–1 powermore » density).« less

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]
  1. UCLA, Los Angeles, CA (United States)
Publication Date:
Research Org.:
Univ. of California, Los Angeles, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1533064
Alternate Identifier(s):
OSTI ID: 1401883
Grant/Contract Number:  
SC0014213
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Energy Materials
Additional Journal Information:
Journal Volume: 7; Journal Issue: 2; Journal ID: ISSN 1614-6832
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Chemistry; Energy & Fuels; Materials Science; Physics; MoS2; Nanocrystals; Li‐ion batteries; Intercalation‐pseudocapacitance; Pseudocapacitance

Citation Formats

Cook, John B., Kim, Hyung-Seok, Lin, Terri C., Lai, Chun-Han, Dunn, Bruce, and Tolbert, Sarah H. Pseudocapacitive Charge Storage in Thick Composite MoS2 Nanocrystal-Based Electrodes. United States: N. p., 2016. Web. doi:10.1002/aenm.201601283.
Cook, John B., Kim, Hyung-Seok, Lin, Terri C., Lai, Chun-Han, Dunn, Bruce, & Tolbert, Sarah H. Pseudocapacitive Charge Storage in Thick Composite MoS2 Nanocrystal-Based Electrodes. United States. https://doi.org/10.1002/aenm.201601283
Cook, John B., Kim, Hyung-Seok, Lin, Terri C., Lai, Chun-Han, Dunn, Bruce, and Tolbert, Sarah H. Fri . "Pseudocapacitive Charge Storage in Thick Composite MoS2 Nanocrystal-Based Electrodes". United States. https://doi.org/10.1002/aenm.201601283. https://www.osti.gov/servlets/purl/1533064.
@article{osti_1533064,
title = {Pseudocapacitive Charge Storage in Thick Composite MoS2 Nanocrystal-Based Electrodes},
author = {Cook, John B. and Kim, Hyung-Seok and Lin, Terri C. and Lai, Chun-Han and Dunn, Bruce and Tolbert, Sarah H.},
abstractNote = {A synthesis methodology is demonstrated to produce MoS2 nanoparticles with an expanded atomic lamellar structure that are ideal for Faradaic–based capacitive charge storage. While much of the work on MoS2 focuses on the high capacity conversion reaction, that process is prone to poor reversibility. The pseudocapacitive intercalation–based charge storage reaction of MoS2 is investigated, which is extremely fast and highly reversible. A major challenge in the field of pseudocapacitive–based energy storage is the development of thick electrodes from nanostructured materials that can sustain the fast inherent kinetics of the active nanocrystalline material. Here a composite electrode comprised of a poly(acrylic acid) binder, carbon fibers, and carbon black additives is utilized. Here, these electrodes deliver a specific capacity of 90 mAh g–1 in less than 20 s and can be cycled 3000 times while retaining over 80% of the original capacity. Quantitative kinetic analysis indicates that over 80% of the charge storage in these MoS2 nanocrystals is pseudocapacitive. Asymmetric full cell devices utilizing a MoS2 nanocrystal–based electrode and an activated carbon electrode achieve a maximum power density of 5.3 kW kg–1 (with 6 Wh kg–1 energy density) and a maximum energy density of 37 Wh kg–1 (with 74 W kg–1 power density).},
doi = {10.1002/aenm.201601283},
journal = {Advanced Energy Materials},
number = 2,
volume = 7,
place = {United States},
year = {Fri Oct 07 00:00:00 EDT 2016},
month = {Fri Oct 07 00:00:00 EDT 2016}
}

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Insights into the intrinsic capacity of interlayer-expanded MoS 2 as a Li-ion intercalation host
journal, January 2019

  • Gong, Shan; Zhao, Guangyu; Lyu, Pengbo
  • Journal of Materials Chemistry A, Vol. 7, Issue 3
  • DOI: 10.1039/c8ta08120d

Heterostructures of Ni–Co–Al layered double hydroxide assembled on V 4 C 3 MXene for high-energy hybrid supercapacitors
journal, January 2019

  • Wang, Xin; Li, Hui; Li, Han
  • Journal of Materials Chemistry A, Vol. 7, Issue 5
  • DOI: 10.1039/c8ta11249e

Improved electrochemical performance of 2D accordion-like MnV 2 O 6 nanosheets as anode materials for Li-ion batteries
journal, January 2020

  • Zhang, Xiaoyu; Li, Xinjian; Jiang, Fuyi
  • Dalton Transactions, Vol. 49, Issue 6
  • DOI: 10.1039/c9dt03845k

An amorphous Zn–P/graphite composite with chemical bonding for ultra-reversible lithium storage
journal, January 2019

  • Li, Wenwu; Yu, Jiale; Wen, Jiajun
  • Journal of Materials Chemistry A, Vol. 7, Issue 28
  • DOI: 10.1039/c9ta01431d

Sulfur covalently bonded to porous graphitic carbon as an anode material for lithium-ion capacitors with high energy storage performance
journal, January 2020

  • Sun, Yue; Ma, Junpeng; Yang, Xinyue
  • Journal of Materials Chemistry A, Vol. 8, Issue 1
  • DOI: 10.1039/c9ta09347h

A Facile Synthesis of MoS2/g-C3N4 Composite as an Anode Material with Improved Lithium Storage Capacity
journal, May 2019

  • Tran Huu, Ha; Nguyen Thi, Xuan Dieu; Nguyen Van, Kim
  • Materials, Vol. 12, Issue 11
  • DOI: 10.3390/ma12111730

In-Plane Assembled Orthorhombic Nb 2 O 5 Nanorod Films with High-Rate Li + Intercalation for High-Performance Flexible Li-Ion Capacitors
journal, November 2017

  • Deng, Bohua; Lei, Tianyu; Zhu, Weihua
  • Advanced Functional Materials, Vol. 28, Issue 1
  • DOI: 10.1002/adfm.201704330

Rational Design of Nickel Hydroxide-Based Nanocrystals on Graphene for Ultrafast Energy Storage
journal, December 2017

  • Zhao, Bote; Zhang, Lei; Zhang, Qiaobao
  • Advanced Energy Materials, Vol. 8, Issue 9
  • DOI: 10.1002/aenm.201702247

Size‐Independent Fast Ion Intercalation in Two‐Dimensional Titania Nanosheets for Alkali‐Metal‐Ion Batteries
journal, June 2019

  • Yang, Jinlin; Xiao, Xu; Gong, Wenbin
  • Angewandte Chemie International Edition, Vol. 58, Issue 26
  • DOI: 10.1002/anie.201902478

Chemical Mass Production of MoS 2 /Graphene van der Waals Heterostructure as a High‐Performance Li‐ion Intercalation Host
journal, July 2019


Two‐Dimensional Germanium Sulfide Nanosheets as an Ultra‐Stable and High Capacity Anode for Lithium Ion Batteries
journal, November 2019

  • Wang, Bo; Du, Wencheng; Yang, Yang
  • Chemistry – A European Journal, Vol. 26, Issue 29
  • DOI: 10.1002/chem.201904116

Cellular carbon-wrapped FeSe 2 nanocavities with ultrathin walls and multiple rooms for ion diffusion-confined ultrafast sodium storage
journal, January 2019

  • Tang, Yongchao; Zhao, Zongbin; Hao, Xiaojuan
  • Journal of Materials Chemistry A, Vol. 7, Issue 9
  • DOI: 10.1039/c8ta10614b

Approaching the Lithiation Limit of MoS 2 While Maintaining Its Layered Crystalline Structure to Improve Lithium Storage
journal, February 2019


Scalable Epitaxial Growth of WSe2 Thin Films on SiO2/Si via a Self-Assembled PtSe2 Buffer Layer
journal, May 2019


Design of Carbon/Metal Oxide Hybrids for Electrochemical Energy Storage
collection, January 2018

  • Fleischmann, Simon; Tolosa, Aura; Presser, Volker
  • Universität des Saarlandes
  • DOI: 10.22028/d291-29131

Noncovalent Approach to Liquid-Crystalline Ion Conductors: High-Rate Performances and Room-Temperature Operation for Li-Ion Batteries
journal, January 2018