KR101639536B1 - 강화복합막 및 이의 제조방법 - Google Patents
강화복합막 및 이의 제조방법 Download PDFInfo
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Abstract
Description
도 1b는, 본 발명의 다른 실시예에 따른 강화복합막의 단면도를 예시적으로 나타낸 것이다.
도 2는, 본 발명의 일 실시예에 따른 강화복합막의 제조방법의 흐름도를 예시적으로 나타낸 것이다.
도 3은, 본 발명의 일 실시예에 따른 강화복합막의 제조과정을 예시적으로 나타낸 것이다.
도 4는, 본 발명의 일 실시예에 따른 강화복합막의 제조방법에서 롤투롤에 의한 연속 공정의 개념도를 예시적으로 나타낸 것이다.
도 5는, 본 발명의 다른 실시예에 따른 강화복합막의 제조방법의 흐름도를 예시적으로 나타낸 것이다.
도 6은, 본 발명의 다른 실시예에 따른 강화복합막의 제조과정을 예시적으로 나타낸 것이다.
전해질 필름 다공성 지지체 |
제조예 3 | 제조예 4 |
제조예 1 | 실시예 1 | 실시예 2 |
제조예 2 | 실시예 3 | 실시예 4 |
강화복합막의 두께(㎛) | |
실시예 1 | 21 |
실시예 2 | 19 |
실시예 3 | 20 |
실시예 4 | 22 |
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | |
함수율 | 40 | 45 | 42 | 40 | 66 | 55 | 50 | 48 |
치수변화율 | 23 | 5 | 19 | 3 | 57 | 34 | 33 | 26 |
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | |
수소이온전도도 (mS/cm) |
83 | 86 | 88 | 89 | 90 | 89 | 75 | 79 |
Claims (16)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 이형 필름 상에 전해질 막을 형성하는 전해질 필름의 제조 단계;
다공성 지지체의 일면 또는 양면에 상기 전해질 필름을 배치하는 배치 단계; 및
복합막을 형성하도록 상기 전해질 필름의 전해질 막을 다공성 지지체의 일면 또는 양면에 전사하는 전사 단계;
를 포함하고,
상기 전사 단계는, 롤프레스 공정에 의해 이루어지고,
상기 전사 단계에서 상기 다공성 지지체의 적어도 일부분에 전해질이 함침되고,
상기 롤프레스 공정은, 40 ℃ 내지 120 ℃ 온도에서 이루어지는 것인, 강화복합막의 제조방법.
- 제10항에 있어서,
상기 전해질 막은, 전해질 및 극성 용매를 포함하는 전해질 용액을 이용하여 형성되고,
상기 전해질 용액에서 상기 전해질은, 5 내지 30 %(w/v)의 농도로 포함되는 것인, 강화복합막의 제조방법.
- 제10항에 있어서,
상기 전해질 필름의 제조 단계 이후에 전해질 필름의 건조 단계를 더 포함하고,
상기 건조 단계는, 40 ℃ 내지 80 ℃에서 용매를 제거한 이후에 90 ℃ 내지 150 ℃에서 건조하여 3 ㎛ 내지 30 ㎛ 두께의 전해질 막을 형성하는 것인, 강화복합막의 제조방법.
- 제10항에 있어서,
상기 배치 단계 이전에,
상기 전해질 필름 상에 극성 용매를 분무하는 전해질 필름의 전처리 단계;를 더 포함하는 것인, 강화복합막의 제조방법.
- 제10항에 있어서,
상기 배치 단계 이전에,
상기 다공성 지지체를 극성 용액에 담그어 함침하는 다공성 지지체의 전처리 단계;를 더 포함하고,
상기 다공성 지지체의 전처리 단계는, 상온 내지 50 ℃ 온도에서 30분 내지 5 시간 동안 이루어지는 것인, 강화복합막의 제조방법.
- 제10항에 있어서,
상기 전사 단계 이후에 복합막의 일면의 이형 필름을 분리하는 분리 단계;
상기 이형 필름이 분리된 전해질 막층이 다공성 지지체의 일면 또는 양면에 접하도록 복합막을 배치하는 배치 단계; 및
상기 복합막의 전해질 막을 다공성 지지체의 일면 또는 양면에 전사하는 전사 단계; 를 더 포함하는 것인, 강화복합막의 제조방법.
- 제10항에 있어서,
상기 전사 단계 이후에 복합막의 일면의 이형 필름을 분리하는 분리 단계;
상기 이형 필름이 분리된 전해질 막층 및 전해질 필름의 전해질 막이 각각, 다공성 지지체의 일면에 접하도록 복합막 및 전해질 필름을 배치하는 배치 단계; 및
상기 전해질 막을 다공성 지지체의 양면에 전사하는 전사 단계; 를 더 포함하는 것인, 강화복합막의 제조방법.
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EP16199443.9A EP3185345B1 (en) | 2015-12-21 | 2016-11-18 | Reinforced composite membranes and method for manufacturing the same |
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EP3185345A3 (en) | 2017-10-25 |
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US10355299B2 (en) | 2019-07-16 |
CN107009706A (zh) | 2017-08-04 |
JP2017114122A (ja) | 2017-06-29 |
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JP6338297B2 (ja) | 2018-06-06 |
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