KR20230089282A - 선박평형수 전기분해용 Pt-Ru-Ti 촉매 전극 - Google Patents
선박평형수 전기분해용 Pt-Ru-Ti 촉매 전극 Download PDFInfo
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- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 37
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- 229910052801 chlorine Inorganic materials 0.000 abstract description 66
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- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
본 발명에 따른 선박평형수 전기분해용 전극은 물 산화와의 경쟁에도 염소산화 효율이 저하되지 않고 활성염소종 생성에 대해 98% 이상의 선택성을 보인다. 또한, 귀금속의 함량을 줄여 촉매층을 제조하므로 촉매의 경제성을 확보할 수 있는 장점이 있다.
Description
도 2는 본 발명의 일 실시예에 따른 전극의 전하전달저항 측정 실험에서 사용한 회로 모델을 도시한 것이다.
도 3은 본 발명의 일 실시예에 따른 생성된 활성염소종의 농도와 전류 효율 그래프를 도시한 것이다.
도 4는 본 발명의 일 실시예에 따른 전극의 내구성 평가를 도시한 것이다.
도 5는 본 발명의 일 실시예에 따른 전극 표면의 SEM 이미지를 도시한 것이다.
도 6은 본 발명의 일 실시예에 따른 전극의 EDS 분석 이미지를 도시한 것이다.
도 7은 본 발명의 일 실시예에 따른 전극의 XRD 분석 이미지를 도시한 것이다.
0.137 M NaCl | 0.5 M NaCl | ||
Pt:Ru 몰비 | 활성염소종 생성효율 | Pt:Ru 몰비 | 활성염소종 생성효율 |
0:10 | 32.34% | 0:10 | 54.84% |
1:9 | 39.37% | ||
2:8 | 47.80% | 2:8 | 67.49% |
3:7 | 49.21% | ||
4:6 | 54.83% | 4:6 | 71.71% |
5:5 | 59.06% | ||
6:4 | 64.7% | 6:4 | 80.15% |
7:3 | 54.84% | ||
8:2 | 71.71% | 8:2 | 90% |
9:1 | 36.56% | 9:1 | 81.55% |
0.137 M NaCl | 0.5 M NaCl | ||||
Pt:Ru 몰비 |
소성온도 (℃) |
활성염소종 생성효율 | Pt:Ru 몰비 |
소성온도 (℃) |
활성염소종 생성효율 |
8:2 | 400 | 80.15% | 8:2 | 400 | 90% |
500 | 100% | 500 | 100% | ||
600 | 80.15% | 600 | 91.4% | ||
2:8 | 400 | 46.40% | 2:8 | 400 | 67.49% |
500 | 67.49% | 500 | 84.37% | ||
600 | 77.33% | 600 | 95.62% | ||
700 | 78.74% | 700 | 92.80% | ||
800 | 91.40% | 800 | 95.62% | ||
900 | 75.93% | 900 | 90% |
Pt:Ru=8:2 | Pt:Ru=2:8 | ||||
전해질 | 촉매량 (mg/cm2) |
활성염소종 생성효율 | 전해질 | 촉매량 (mg/cm2) |
활성염소종 생성효율 |
0.137 M NaCl |
3.33 | 100% | 0.137 M NaCl |
3.33 | 91.40% |
2.50 | 100% | 2.50 | 90% | ||
1.67 | 100% | 1.67 | 70.30% | ||
0.83 | 100% | 0.83 | 66.09% | ||
0.5 M NaCl |
3.33 | 100% | 0.5 M NaCl |
3.33 | 95.62% |
0.83 | 97.02% | 0.83 | 100% |
0.137 M NaCl | 0.5 M NaCl | ||
(Pt:Ru):Ti 몰비 | 활성염소종 생성효율 | (Pt:Ru):Ti 몰비 | 활성염소종 생성효율 |
1:9 | 83% | 1:9 | 85.77% |
2:8 | 85.77% | 2:8 | 91.397% |
3:7 | 98.43% | 3:7 | 100% |
0.137 M NaCl | 0.5 M NaCl | ||||
Pt:Ru:Ti 몰비 | 소성온도 (℃) |
활성염소종 생성효율 | Pt:Ru:Ti 몰비 | 소성온도 (℃) |
활성염소종 생성효율 |
0.6:2.4:7 | 400 | 92.80% | 0.6:2.4:7 | 400 | 94.21% |
500 | 98.43% | 500 | 100% | ||
600 | 99.83% | 600 | 100% | ||
700 | 97.02% | 700 | 94.21% | ||
800 | 94.21% | 800 | 92.80% | ||
900 | 98.43% | 900 | 100% |
Pt:Ru:Ti 몰비 | 소성온도(℃) | EIS | ECSA | |
Rs | Rct | Cdl(mF/cm2) | ||
0.6:2.4:7 | 400 | 6.358 | 69.63 | 0.81 |
500 | 6.182 | 35.71 | 5.745 | |
600 | 5.884 | 95.92 | 4.385 | |
700 | 6.450 | 259.6 | 0.63 | |
800 | 4.771 | 333.2 | 1.875 | |
900 | 3.719 | 427.9 | 0.685 |
0.137 M NaCl | 0.5 M NaCl | ||
촉매량(mg/cm2) | 활성염소종 생성효율 | 촉매량(mg/cm2) | 활성염소종 생성효율 |
3.33 | 98.43% | 3.33 | 100% |
0.83 | 100% | 0.83 | 100% |
Pt:Ru = 8:2 (500 ℃) | Pt:Ru = 2:8 (600 ℃) | Pt:Ru:Ti = 0.6:2.4:7 (500 ℃) | |||
촉매량 (mg/cm2) |
활성염소종 생성효율 | 촉매량 (mg/cm2) |
활성염소종 생성효율 | 촉매량 (mg/cm2) |
활성염소종 생성효율 |
3.33 | 90.00% | 3.33 | 95.62% | 3.33 | 91.40% |
0.83 | 90.00% | 0.83 | 92.80% | 0.83 | 91.40% |
0.941 M NaCl | |
Pt-Ru-Ti | 활성염소종 생성효율 |
as-synthesized | 97% |
used | 90% |
Claims (5)
- 선박평형수를 살균 처리하기 위한 선박평형수 전기분해용 전극에 있어서,
메탈 메쉬, 메탈 폼 및 메탈 플레이트에서 선택된 하나 이상을 포함하고, 이들 상부에는 Pt, Ru 및 Ti 촉매층이 위치하며,
상기 촉매층의 Pt:Ru의 조합 몰비는 1:9 내지 9:1, (Pt:Ru):Ti의 몰비는 1: 1 내지 3이며,
상기 전기분해용 전극에 로딩된 Pt, Ru 및 Ti 촉매량은 0.5 내지 5 mg/cm2을 포함하는 것을 특징으로 하는 선박평형수 전기분해용 전극.
- 제 1항에 있어서,
상기 촉매층은 400 내지 900℃에서 소성하여 생성되는 것을 특징으로 하는 선박평형수 전기분해용 전극.
- 제 1항에 있어서,
상기 촉매층은 산처리하여 산화피막이 제거된 메탈 메쉬, 메탈 폼 및 메탈 플레이트에서 선택된 하나 이상에 에어브러쉬로 스프레이 코팅하여 제작하는 것을 특징으로 하는 선박평형수 전기분해용 전극.
- 제 1항에 있어서,
상기 메탈 메쉬, 메탈 폼 및 메탈 플레이트에서 선택된 하나 이상은 티타늄, 니켈, 금, 구리, 니켈 합금 및 스테인레스 스틸인 것을 특징으로 하는 선박평형수 전기분해용 전극.
- 제 1항에 있어서,
상기 선박평형수 전기분해용 전극에 10 내지 1000 mA/cm2의 전류밀도를 가하는 것을 특징으로 하는 선박평형수 전기분해용 전극.
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KR20130130504A (ko) | 2012-05-22 | 2013-12-02 | (주) 테크로스 | 전기분해장치의 전극 모듈 결선 구조 및 이를 이용한 전극 모듈 불량 판별방법 |
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Non-Patent Citations (1)
Title |
---|
Lassali, T. A. 외 2인. ‘Structural, morphological and surface properties as a function of composition of Ru+ Ti+ Pt mixed-oxide electrodes.’ Electrochimica acta 43.16-17 (1998): p2515-2525.* * |
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