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Received February 1, 2011
Accepted February 24, 2011
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특허 및 논문 분석을 통한 축전식 탈염(CDI) 기술 연구
The Study of Capacitive Deionization Technology by the Analysis of Patents and Papers
(주)시온텍, 305-500 대전시 유성구 용산동 530
Siontech Inc., 530 Yongsan-dong, Yuseong-gu, Daejeon 305-500, Korea
kskang@siontech.com
Korean Chemical Engineering Research, December 2011, 49(6), 697-703(7), NONE Epub 25 November 2011
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Abstract
축전식 탈염(CDI)은 높은 비표면적을 갖는 전극에 전기화학적 원리로 이온을 흡착하여 제거하는 기술이다. CDI 기술은 낮은 전위에서 작동하기 때문에 에너지 소비가 작고, 전극을 재생할 때 산, 염기 혹은 염을 사용하지 않기 때문에 환경친화적인 기술이다. 본 연구에서 우리는 CDI 기술의 동향을 알아보기 위해 특허와 논문을 조사했다. 데이터베이스는 WIPS와 Scopus를 사용하여 얻었으며 전극기술, 모듈기술 및 응용기술에 따라 조사되었다. CDI의 기술 동향은 연도별, 국가별, 출원인별, 기술별로 조사되었다.
Capacitive deionization(CDI) is an ion removal technology that employs the basic electrochemical principle of absorbing ions in high surface area electrode. CDI technology reduce power consumption because it operates at lower electrode potential(about 1~2 V). Also, it is an environmentally friendly technology because no acid, base, or salts are required to generate the surface. In this study, we searched the patents and papers to investigate the trend of CDI_x000D_
technologies. Database was collected from WIPS and Scopus site and was investigated according to electrode, module and application technology of CDI. The technology trend of CDI was analyzed based on patent application year, countries, main applications and technologies.
Keywords
References
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Lee JY, Kwon TS, Baek K, Yang JW, J. Ind. Eng. Chem., 15(3), 354 (2009)
Helfferich F, “Ion Exchange,” Dover Publications, Inc., New York (1992)
Younos T, Renewable Resources Journal., 23(2), 6 (2005)
Mulder M, “Basic Principles of Membrane Technology,” Kluwer Academic Publishers, Boston (1996)
Strathmann H, Ion-Exchange Membrane Separation Processes, Elsevier, Amsterdam (2004)
Korea patent KR0442773, “Desalination System and Regeneration Method by Electrosorption,” (2004)
Han YH, Quan X, Chen S, Wang SB, Zhang YB, Electrochim. Acta, 52(9), 3075 (2007)
Koresh J, Soffer A, J. Electrochem. Soc., 124, 1379 (1977)
Mitani S, Lee SI, Yoon SH, Korai Y, Mochida I, J. Power Sources, 133(2), 298 (2004)
Shiraisgi S, Kurihara H, Shi L, Nakayama T, Oya A, J. Electrochem. Soc., 149(7), 855 (2002)
Kim YJ, Horie Y, Matsuzawa Y, Ozaki S, Endo M, Mildred SD, Carbon., 42, 2423 (2004)
Yang KL, Yiacoumi S, Tsouris C, J. Electroanalytical Chem., 540, 1159 (2003)
Welgemoed TJ, Schutte CF, Desalination, 183(1-3), 327 (2005)
Park KK, Lee JB, Park PY, Yoon SW, Moon JS, Eum HM, Lee CW, Desalination, 206(1-3), 86 (2007)
Jung HH, Hwang SW, Hyun SH, Kang-Ho L, Kim GT, Desalination, 216(1-3), 377 (2007)
United States patent US7505250, “Carbon-porous Media Composite Electrode and Preparation Method Thereof"
United States patent US6225733, “Supercapacitor and a Method of Manufacturing Such a Supercapacitor,” (2001)
United States patent US6697249, “Supercapacitor and a Method of Manufacturing Such a Supercapacitor," (2004)
Korea patent KR0008622, “Electrode for Capacitive Deionization, Manufacturing,” (2009)
United States patent US6761809, “Alternating-polarity Operation for Complete Regeneration of Electrochemical Deionization System,"
United States patent US5425858, “Method and Apparatus for Capacitive Deionization, Electrochemical Purification, and Regeneration of Electrodes." (1995)
United States patent US7138042, “Alternating-polarity Operation for Complete Regeneration of Electrochemical Deionization System,"
