KR20080053229A - 분무 건조 또는 분무 열분해를 이용한 중형 다공성 탄소구조체의 제조 방법 및 분무 건조용 조성물 - Google Patents
분무 건조 또는 분무 열분해를 이용한 중형 다공성 탄소구조체의 제조 방법 및 분무 건조용 조성물 Download PDFInfo
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- KR20080053229A KR20080053229A KR1020070127075A KR20070127075A KR20080053229A KR 20080053229 A KR20080053229 A KR 20080053229A KR 1020070127075 A KR1020070127075 A KR 1020070127075A KR 20070127075 A KR20070127075 A KR 20070127075A KR 20080053229 A KR20080053229 A KR 20080053229A
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Abstract
Description
Claims (17)
- (a) 탄소 전구체, 상기 탄소 전구체가 탄화되는 온도 범위 또는 그 이하에서 열분해되는 열분해성 주형 물질(template), 및 용매를 혼합하여 분무 용액을 제조하는 단계; 및(b) 상기 분무 용액을 분무 열처리하거나 또는 분무 건조 후 열처리를 수행하는 단계를 포함하는 다공성 탄소 구조체의 제조방법.
- 제 1항에 있어서, 상기 제조방법은 열처리에 의해 탄소 전구체와 열분해성 주형 물질과의 복합체(複合體) 내 포함된 탄소 전구체를 탄화(carbonization)시켜 결정화함과 동시에 주형 물질을 열분해시켜 기공 구조(pore structure)가 형성된 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 열분해성 주형 물질은 양이온성 계면 활성제, 음이온성 계면 활성제, 비이온성 계면 활성제 및 양쪽성 계면 활성제로 구성된 군으로부터 선택된 것인 제조방법.
- 제 3항에 있어서, 양이온성 계면 활성제는 4급 암모늄염, 이미다졸륨 염, 피리디늄염, 퀴놀리늄염, 이소퀴놀리늄염, 폴리에틸렌이민, 폴리프로필렌이민, 폴리 알릴아민, 폴리리신 및 폴리아민으로 구성된 군으로부터 선택된 것인 제조방법.
- 제 3 항에 있어서 음이온성 계면 활성제는 알킬설페이트, 알킬설폰산염, 알킬카르복실산염, 알킬벤젠카르복실산염 및 알킬벤젠술폰산염으로 구성된 군으로부터 선택된 것인 제조방법.
- 제 3항에 있어서, 비이온성 계면 활성제는 폴리 에틸렌 옥사이드 (PEO), 폴리 프로필렌 옥사이드 (PPO) 및 폴리 (에틸렌옥사이드)-(프로필렌옥사이드) 블록 공중합체로 구성된 군으로부터 선택된 것인 제조방법.
- (a) 탄소 전구체, 경성 주형 물질(hard template) 및 용매를 혼합하여 분무 용액을 제조하는 단계;(b) 상기 분무 용액을 분무 열처리하거나 또는 분무 건조 후 열처리하여 탄화된 탄소 구조체와 경성 주형물질 복합체를 형성하는 단계; 및(c) 형성된 탄소 구조체와 경성 주형물질 복합체로부터 주형 물질을 제거하는 단계를 포함하는 다공성 탄소 구조체의 제조방법.
- 제7항에 있어서, 상기 제조방법은 탄화(炭化)된 탄소 구조체와 경성 주형물질의 복합체에 물, 산 또는 염기 처리를 통해 주형 물질을 제거하여 기공 구 조(pore structure)가 형성되는 것이 특징인 제조방법.
- 제 7항에 있어서, 상기 경성 주형 물질 (hard template)은 금속 산화물, 금속염 또는 이들의 혼합물인 제조방법.
- 제 9항에 있어서, 상기 금속 산화물은 실리카, 알루미나 및 티타니아로 구성된 군으로부터 선택된 것이며, 또는금속염은 알칼리 금속, 알칼리 토금속 및 전이금속으로 구성된 군으로부터 선택된 1종 이상의 금속을 함유하는 염(salt)인 것이 특징인 제조방법.
- 제 1항 또는 제7항에 있어서, 상기 탄소 전구체는 페놀-알데히드 수지, 우레아-알데히드 수지, 아닐린-알데히드 수지, 폴리이미드 (polyimide), 폴리아크릴로니트릴 (polyacrylonitrile), 폴리스티렌 (polystyrene), 폴리디비닐벤젠 (polydivinylbenzene), 폴리비닐피리딘 (polyvinylpyridine), 폴리피롤 (polypyrrole), 폴리티오펜 (polythiophene), 폴리아닐린 (polyaniline), 퍼퓨릴알콜 (perfuryl alcohol), 폴리아크릴아미드 (polyacrylamide), 셀룰로오스, 설탕, 설탕고분자, 탄수화물 및 이들의 공중합체로 구성된 군으로부터 선택된 것인 제조방법.
- 제 1항 또는 제7항에 있어서, 열처리 온도는 300 내지 1500℃ 범위인 것이 특징인 제조방법.
- 제 1항 또는 제7항에 있어서, 제조된 탄소 구조체의 평균 크기는 20 nm 내지 1000 ㎛ 범위인 것이 특징인 제조방법.
- 제1항 또는 제7항의 제조방법에 의해 제조된 다공성 탄소 구조체.
- 탄소 전구체, 기공을 형성하기 위한 주형 물질(template) 및 용매를 포함하는 분무 건조용 다공성 탄소 구조체 형성 조성물.
- 제15항에 있어서, 상기 주형 물질은(a) 탄소 전구체가 탄화(carbonization)되는 온도 범위에서 열분해되어 기공 형성이 가능한 연성 주형 물질(soft template);(b) 탄소 전구체가 탄화되는 온도범위에서 분해되지 않고, 후처리에 의해 제거되어 기공 형성이 가능한 경성 주형 물질(hard template); 또는(c) 이들의 혼합물인 것이 특징인 다공성 탄소 구조체 형성용 조성물.
- 탄소 전구체가 탄화되는 온도 범위에서 열분해되거나 또는 탄화 이후 후처리에 의해 제거되어 기공을 형성하는 주형 물질(template)이 포함된 탄소 전구체 함 유 용액을 분무 열처리하여 다공성 탄소 구조체를 제조시, 상기 주형 물질(template)의 함량 조절을 통해 다공성 탄소 구조체의 기공 크기, 비표면적 또는 이들 모두를 조절하는 방법.
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US12/312,816 US8057774B2 (en) | 2006-12-08 | 2007-12-10 | Manufacturing methods of mesoporous carbon structure with spray drying or spray pyrolysis and composition thereof |
PCT/KR2007/006391 WO2008069633A1 (en) | 2006-12-08 | 2007-12-10 | Manufacturing methods of mesoporous carbon structure with spray drying or spray pyrolysis and composition thereof |
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KR101346765B1 (ko) * | 2010-12-31 | 2013-12-31 | 충남대학교산학협력단 | 분무건조 방법과 템플레이트 탄화에 의한 고다공성 리튬 망간 산화물계 에폭시 구상복합재 제조방법 |
WO2016052981A1 (ko) * | 2014-09-30 | 2016-04-07 | 주식회사 엘지화학 | 중공형 탄소 캡슐의 제조 방법 |
US10821687B2 (en) | 2014-09-30 | 2020-11-03 | Lg Chem, Ltd. | Method for producing hollow carbon capsules |
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KR20220004580A (ko) * | 2020-07-03 | 2022-01-11 | 단국대학교 산학협력단 | 음극활물질과 이의 제조방법, 이를 포함하는 음극 및 이차전지 |
CN114870855A (zh) * | 2022-05-24 | 2022-08-09 | 武汉丰泰威远科技有限公司 | 一种金属催化剂复合物及其制备方法 |
CN114870855B (zh) * | 2022-05-24 | 2023-08-18 | 武汉丰泰威远科技有限公司 | 一种金属催化剂复合物及其制备方法 |
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US20090304570A1 (en) | 2009-12-10 |
US8057774B2 (en) | 2011-11-15 |
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