Effect of metal-sulfide additives on electrochemical properties of nano-sized Fe2O3-loaded carbon for Fe/air battery anodes

Bui Thi Hang; Seong Ho Yoon; Shigeto Okada; Jun ichi Yamaki

doi:10.1016/j.jpowsour.2007.02.067

Effect of metal-sulfide additives on electrochemical properties of nano-sized Fe₂O₃-loaded carbon for Fe/air battery anodes

Bui Thi Hang, Seong Ho Yoon, Shigeto Okada, Jun ichi Yamaki

Department of Advanced Device Materials

Research output: Contribution to journal › Article › peer-review

66 Citations (Scopus)

Abstract

In the present study, K₂S and Bi₂S₃ were used as additives in electrolytes and electrodes, respectively. The effects of these additives on the electrochemical properties of nano-sized Fe₂O₃-loaded carbon electrodes were investigated using cyclic voltammetry (CV), galvanostatic cycling performance and scanning electron microscopy (SEM), along with electron dispersive spectroscopy (EDS). The results showed that both K₂S and Bi₂S₃ significantly reduced hydrogen evolution and benefited the Fe₂O₃-loaded carbon electrode, such as by retarding passivation and improving the discharge capacity. The effects of metal sulfide additives depended on the carbon used. For Bi₂S₃ additive, all carbons provided larger capacities than acetylene black (AB) while AB gave greater capacity than other carbons when K₂S was used.

Original language	English
Pages (from-to)	522-532
Number of pages	11
Journal	Journal of Power Sources
Volume	168
Issue number	2
DOIs	https://doi.org/10.1016/j.jpowsour.2007.02.067
Publication status	Published - Jun 1 2007

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.jpowsour.2007.02.067

Cite this

@article{947ef713bfb7446bbb5d4289195d3b1f,

title = "Effect of metal-sulfide additives on electrochemical properties of nano-sized Fe2O3-loaded carbon for Fe/air battery anodes",

abstract = "In the present study, K2S and Bi2S3 were used as additives in electrolytes and electrodes, respectively. The effects of these additives on the electrochemical properties of nano-sized Fe2O3-loaded carbon electrodes were investigated using cyclic voltammetry (CV), galvanostatic cycling performance and scanning electron microscopy (SEM), along with electron dispersive spectroscopy (EDS). The results showed that both K2S and Bi2S3 significantly reduced hydrogen evolution and benefited the Fe2O3-loaded carbon electrode, such as by retarding passivation and improving the discharge capacity. The effects of metal sulfide additives depended on the carbon used. For Bi2S3 additive, all carbons provided larger capacities than acetylene black (AB) while AB gave greater capacity than other carbons when K2S was used.",

author = "Hang, {Bui Thi} and Yoon, {Seong Ho} and Shigeto Okada and Yamaki, {Jun ichi}",

note = "Funding Information: This work was supported by the CREST program of JST (Japan Science & Technology Agency).",

year = "2007",

month = jun,

day = "1",

doi = "10.1016/j.jpowsour.2007.02.067",

language = "English",

volume = "168",

pages = "522--532",

journal = "Journal of Power Sources",

issn = "0378-7753",

publisher = "Elsevier",

number = "2",

}

TY - JOUR

T1 - Effect of metal-sulfide additives on electrochemical properties of nano-sized Fe2O3-loaded carbon for Fe/air battery anodes

AU - Hang, Bui Thi

AU - Yoon, Seong Ho

AU - Okada, Shigeto

AU - Yamaki, Jun ichi

N1 - Funding Information: This work was supported by the CREST program of JST (Japan Science & Technology Agency).

PY - 2007/6/1

Y1 - 2007/6/1

N2 - In the present study, K2S and Bi2S3 were used as additives in electrolytes and electrodes, respectively. The effects of these additives on the electrochemical properties of nano-sized Fe2O3-loaded carbon electrodes were investigated using cyclic voltammetry (CV), galvanostatic cycling performance and scanning electron microscopy (SEM), along with electron dispersive spectroscopy (EDS). The results showed that both K2S and Bi2S3 significantly reduced hydrogen evolution and benefited the Fe2O3-loaded carbon electrode, such as by retarding passivation and improving the discharge capacity. The effects of metal sulfide additives depended on the carbon used. For Bi2S3 additive, all carbons provided larger capacities than acetylene black (AB) while AB gave greater capacity than other carbons when K2S was used.

AB - In the present study, K2S and Bi2S3 were used as additives in electrolytes and electrodes, respectively. The effects of these additives on the electrochemical properties of nano-sized Fe2O3-loaded carbon electrodes were investigated using cyclic voltammetry (CV), galvanostatic cycling performance and scanning electron microscopy (SEM), along with electron dispersive spectroscopy (EDS). The results showed that both K2S and Bi2S3 significantly reduced hydrogen evolution and benefited the Fe2O3-loaded carbon electrode, such as by retarding passivation and improving the discharge capacity. The effects of metal sulfide additives depended on the carbon used. For Bi2S3 additive, all carbons provided larger capacities than acetylene black (AB) while AB gave greater capacity than other carbons when K2S was used.

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