TY - JOUR
T1 - Facile fabrication of sulfur/Ketjenblack-PEDOT:PSS composite as a cathode with improved cycling performance for lithium sulfur batteries
AU - Ahn, Seongki
AU - Noguchi, Takayuki
AU - Momma, Toshiyuki
AU - Nara, Hiroki
AU - Yokoshima, Tokihiko
AU - Togasaki, Norihiro
AU - Osaka, Tetsuya
N1 - Funding Information:
This work was partly supported by Advanced Low Carbon Technology Research, Development Program Special Priority Research Area “Next-Generation Rechargeable Battery” (ALCA-Spring) from the Japan Science and Technology Agency (JST) (Grant Number JPMJAL1301 ).
Funding Information:
This work was partly supported by Advanced Low Carbon Technology Research, Development Program Special Priority Research Area ?Next-Generation Rechargeable Battery? (ALCA-Spring) from the Japan Science and Technology Agency (JST) (Grant Number JPMJAL1301).
Publisher Copyright:
© 2020 Elsevier B.V.
PY - 2020/6/16
Y1 - 2020/6/16
N2 - Lithium sulfur batteries (LSBs) are regarded as promising electrochemical energy storage devices owing to their higher theoretical capacity than commercial cathode materials. Herein, we report a simple method for preparing a modified sulfur/Ketjenblack (S/KB) cathode using polymer composite poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS), which displays ionic and electron conductivity and can suppress polysulfide dissolution during the charge-discharge process. The S/KB + PEDOT:PSS cathode displayed higher electrochemical performance than the S/KB cathode. The effectiveness of suppressing polysulfide dissolution was determined visually and by UV–visible spectroscopy. The findings demonstrate the multi-functionality of PEDOT:PSS as an efficient electron conductive additive for S/KB cathode in high-performance LSBs.
AB - Lithium sulfur batteries (LSBs) are regarded as promising electrochemical energy storage devices owing to their higher theoretical capacity than commercial cathode materials. Herein, we report a simple method for preparing a modified sulfur/Ketjenblack (S/KB) cathode using polymer composite poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS), which displays ionic and electron conductivity and can suppress polysulfide dissolution during the charge-discharge process. The S/KB + PEDOT:PSS cathode displayed higher electrochemical performance than the S/KB cathode. The effectiveness of suppressing polysulfide dissolution was determined visually and by UV–visible spectroscopy. The findings demonstrate the multi-functionality of PEDOT:PSS as an efficient electron conductive additive for S/KB cathode in high-performance LSBs.
KW - Lithium sulfur battery
KW - PEDOT:PSS additive
KW - Polysulfide dissolution suppression
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U2 - 10.1016/j.cplett.2020.137426
DO - 10.1016/j.cplett.2020.137426
M3 - Article
AN - SCOPUS:85082878982
SN - 0009-2614
VL - 749
JO - Chemical Physics Letters
JF - Chemical Physics Letters
M1 - 137426
ER -