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KMID : 1059520130570050533
Journal of the Korean Chemical Society
2013 Volume.57 No. 5 p.533 ~ p.539
Corrosion and Passivation of Nickel Rotating Disk Electrode in Borate Buffer Solution
Kim Youn-Kyoo

Abstract
º¯ÀüÀ§¹ý°ú Àü±âÈ­ÇÐ ÀÓÇÇ´ø½º ÃøÁ¤¹ýÀ» ÀÌ¿ëÇÏ¿© borate ¿ÏÃæ¿ë¾×¿¡¼­ ´ÏÄÌ È¸Àü¿øÆÇÀü±ØÀÇ Àü±âÈ­ÇÐÀû ºÎ½Ä°ú ºÎ µ¿È­¸¦ ¿¬±¸ÇÏ¿´´Ù. Tafel ±â¿ï±â, ÀÓÇÇ´ø½º, ȸÀü¿øÆÇÀü±ØÀÇ È¸Àü¼Óµµ, ±×¸®°í ºÎ½ÄÀüÀ§¿Í ºÎ½ÄÀü·ùÀÇ pH ÀÇÁ¸¼ºÀ¸·ÎºÎÅÍ ´Ï ÄÌÀÇ ºÎ½Ä°ú ºÎµ¿È­ ¹ÝÀÀ ¸ÞÄ¿´ÏÁò°ú ȯ¿ø¹ÝÀÀ¿¡¼­ÀÇ ¼ö¼Ò ¹ß»ý ¹ÝÀÀ±¸Á¶¸¦ Á¦¾ÈÇÏ¿´´Ù. EIS data·ÎºÎÅÍ µî°¡È¸·Î¸¦ Á¦¾ÈÇÏ ¿´À¸¸ç »êÈ­¹ÝÀÀÀÇ ¿µ¿ªº°·Î Àü±âÈ­ÇÐÀû º¯¼öµéÀ» ÃøÁ¤ÇÏ¿´´Ù. ºÎµ¿È­ ¹ÝÀÀ¿¡ ÀÇÇÏ¿© »ý¼ºµÈ Ni(OH)2 »êÈ­ÇǸ·Àº Àü±âÀåÀÇ ¿µÇâÀ» ¹Þ´Â Å»¼ö¹ÝÀÀ¿¡ ÀÇÇØ NiO·Î ÀüȯµÇ´Â °ÍÀ¸·Î º¸ÀδÙ.
KEYWORD
Nickel rotating disk electrode, Corrosion, Passivation, Electrochemical impedance spectroscopy, Borate buffer solution
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