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RISS 인기검색어
- 검색키워드
- 저자 : 임수곤 ( Soo Gon Lim ) (검색결과 2 건)
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변창섭,임수곤,김수곤,신훈규,Byun, Chang-Sub,Lim, Soo-Gon,Kim, Su-Kon,Shin, Hoon-Kyu 한국전기전자재료학회 2013 전기전자재료학회논문지 Vol.26 No.7
We investigated the variation of anion exchange membrane of hydrogen generator of alkaline electrolysis. We detected the variation of elements and change of anion exchange membrane using EDS and FE-SEM. We detected two different sites of membrane because of different structure of membrane. $Sp_1$ shows that the distribution ratio of C, O, Al is 98% very higher than $Sp_2$ of 78%. Especially, the main elements of STS316 which is P, S, Fe, Ni were more detected at $Sp_2$ than $Sp_1$. We think that this result depends on the structure of membrane. This also affect the resistance, lifetime of membrane and decrease the efficiency of hydrogen production. We hope that this article is a foundation of developing of hydrogen production technology.
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알칼리 전해액의 상호작용에 의한 Stainless Steel 주성분의 변화 분석
변창섭,임수곤,김수곤,최호상,신훈규,Byun, Chang-Sub,Lim, Soo-Gon,Kim, Su-Kon,Choi, Ho-Sang,Shin, Hoon-Kyu 한국전기전자재료학회 2013 전기전자재료학회논문지 Vol.26 No.7
In this paper, We studied the change of surface and variation of elements on both electrodes of hydrogen generator of alkaline electrolysis in use of FE-SEM and SIMS. We used the stainless steel 316(600 ${\mu}m$) as electrode in condition of 25%KOH, $60^{\circ}C$ Temperature. The results show that the intensity of elements (C, Si, P, S, Ti, Cr, Mn, Fe, Ni, Mo) of Positive Electrode are decreased as much as about $10^1{\sim}10^3 $than the original electrode. Thickness of Positive Electrode is decreased about 40 ${\mu}m$ after chemical reaction. The negative electrode, however, shows a slight variation in the intensity of elements (C, Si, P, Fe, Ni, Mn, Mo) but Change of thickness and surface' shape of electrode show nothing after chemical reaction. The change in thickness and variation of Stainless Steel 316 cause the lifetime of electrode to be shorted. We also observed hydrogen, oxygen, potassium in both electrodes. Especially, The potassium is increased in proportional with depth of positive electrode. this means the concentration of alkali solutions is changed. and so we have to supply alkaline solution to generator in order to produce same quantity of hydrogen gas continuously. we hope that this study gives a foundation to develop the electrode for hydrogen generator of alkaline electrolysis.
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