THE ELECTROCHEMICAL PROPERTIES OFLi/FeSBATTERY USING ELECTROLESS NICKEL PLATEDFeSPOWDER

Sung-Hyun Kim (), Young-Jin Choi (), Dong-Hun Kim (), Sung-Hoon Jung (), Ki-Won Kim (), Hyo-Jun Ahn (), Jou-Hyeon Ahn () and Hal-Bon Gu ()
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Sung-Hyun Kim: i-Cube Center, ITRC for Energy Storage and Conversion, Gyeongsang National University, 900 Gajwa-Dong, Jinju, Korea
Young-Jin Choi: i-Cube Center, ITRC for Energy Storage and Conversion, Gyeongsang National University, 900 Gajwa-Dong, Jinju, Korea
Dong-Hun Kim: i-Cube Center, ITRC for Energy Storage and Conversion, Gyeongsang National University, 900 Gajwa-Dong, Jinju, Korea
Sung-Hoon Jung: i-Cube Center, ITRC for Energy Storage and Conversion, Gyeongsang National University, 900 Gajwa-Dong, Jinju, Korea
Ki-Won Kim: i-Cube Center, ITRC for Energy Storage and Conversion, Gyeongsang National University, 900 Gajwa-Dong, Jinju, Korea
Hyo-Jun Ahn: i-Cube Center, ITRC for Energy Storage and Conversion, Gyeongsang National University, 900 Gajwa-Dong, Jinju, Korea
Jou-Hyeon Ahn: ITRC for Energy Storage and Conversion, Gyeongsang National University, 900 Gajwa-Dong, Jinju, Korea
Hal-Bon Gu: Department of Electrical Engineering, College of Engineering, Chonnam National University 300 Yongbong-Dong, Buk-Ku, Kwangju, Korea

Surface Review and Letters (SRL), 2008, vol. 15, issue 01n02, 35-40

Abstract: In order to investigate the electrochemical properties ofLi/FeScell,FeSpowder was fabricated by using a high-energy ball milling method. Then, surface ofFeSpowder was coated with metallic nickel. Nickel coating was conducted by using electroless nickel plating method. Nickel chloride (NiCl2· 6H2O) was used as the nickel ion source for electroless nickel plating. The effects of nickel coating on the electrochemical properties ofFeSelectrode forLi/FeScell were investigated by CV measurement and charge/discharge tests. Then, cells for electrochemical tests were assembled by stacking a lithium anode, separator containing liquid electrolyte, andFeScathode in turn. From the results, electroless nickel platedFeSelectrode showed very high initial discharge capacity of 581 mAh/g-FeS. And also, it showed higher discharge capacity than that of bareFeSelectrode until the 29th cycle. Therefore, it is found that metallic nickel gives beneficial effects on enhancing the electrical conductivity ofFeScathode material. 82.47.Cb.

Keywords: Electroless plating; Li/FeSbattery; iron sulfide (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1142/S0218625X08010919

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