KR101871174B1 - 커피콩 추출물을 이용한 활성 탄소의 제조방법 및 이를 포함하는 전지용 전극 - Google Patents
커피콩 추출물을 이용한 활성 탄소의 제조방법 및 이를 포함하는 전지용 전극 Download PDFInfo
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Abstract
Description
도 2는 본 발명에 따라 제조된 활성 탄소(실시예 3)와 셀룰로오스를 포함하는 종이를 탄화시켜 제조되는 활성 탄소(비교예 1)의 에너지 분산 분광기(EDS) 및 주사전자현미경(SEM, 가속전압: 20 eV) 분석한 이미지이다.
도 3은 본 발명에 따라 제조된 활성 탄소(실시예 3)의 (a) 라만 분광 및 (b) X선 회절(XRD)을 측정한 그래프이다.
도 4는 본 발명에 따라 제조된 활성 탄소(실시예 3)의 X선 광전자 분광(XPS)을 측정한 그래프이다.
도 5는 본 발명에 따라 제조된 활성 탄소(실시예 3)의 (a) 세공 체적 및 (b) 세공 평균 직경을 측정한 그래프이다.
도 6은 는 본 발명에 따라 제조된 활성 탄소(실시예 3)와 셀룰로오스를 포함하는 종이를 탄화시켜 제조되는 활성 탄소(비교예 1)를 전극에 각각 포함하는 슈퍼 캐패시터의 전기적 물성을 측정한 그래프이다: (a): 순환전압전류(cyclic voltammetry) 그래프, (b): 정전류 충방전(galvanostatic charge-discharge) 시 시간에 따른 전압 그래프, (c): 충방전 주기 평가 그래프, (d): 임피던스 그래프.
열 처리 시간 | |
실시예 1 | 10분 |
실시예 2 | 30분 |
실시예 3 | 120분 |
실시예 4 | 180분 |
열 분해 온도 | |
실시예 1의 종이 | 254±2℃ |
대조군의 종이 | 322±2℃ |
열처리 시간 | BET 평균 비표면적 [㎡/g] | 세공 평균 체적 [㎤/g] | |
실시예 1 | 10분 | 126.1±5 | 0.0402±0.005 |
실시예 2 | 30분 | 193.7±5 | 0.0557±0.005 |
실시예 3 | 120분 | 255.8±5 | 0.0772±0.005 |
실시예 4 | 180분 | 110.2±5 | 0.0323±0.005 |
비교예 1 | 120분 | 198.9±5 | - |
Claims (11)
- 활성화 용액이 흡수된 셀룰로오스를 열처리하여 활성 탄소를 제조하는 단계를 포함하고,
상기 활성화 용액은 커피콩, 땅콩, 아몬드, 완두콩, 아보카도, 다시마, 미역, 파래 및 김으로 이루어진 군으로부터 선택되는 1종 이상으로부터 유래되는 추출물이며,
상기 활성화 용액은, 칼륨 이온(K+), 소듐 이온(Na+) 및 아연 이온(Zn2+)의 금속 이온을 포함하고,
열처리 온도는 100 내지 300℃이며,
활성 탄소는 평균 비표면적이 30 ㎡/g 내지 2,000 ㎡/g인 것을 특징으로 하는 활성 탄소의 제조방법.
- 제1항에 있어서,
활성화 용액은 커피콩, 땅콩, 아몬드 및 완두콩으로 이루어진 군으로부터 선택되는 1종 이상을 열수 추출한 것을 특징으로 하는 활성 탄소의 제조방법.
- 제1항에 있어서,
활성화 용액은 1 bar 내지 20 bar의 압력에서 열수 추출된 것을 특징으로 하는 활성 탄소의 제조방법.
- 제1항에 있어서,
금속 이온의 농도는 각각 50 ㎎/L 이상인 것을 특징으로 하는 활성 탄소의 제조방법.
- 제1항에 있어서,
셀룰로오스는 녹색식물, 녹·해조류 또는 미생물로부터 얻어지는 것을 특징으로 하는 활성 탄소의 제조방법.
- 삭제
- 제1항에 있어서,
열처리 시간은 5분 내지 300분인 활성 탄소의 제조방법.
- 제1항에 있어서,
활성화 용액이 흡수된 셀룰로오스를 열처리하여 활성 탄소를 제조하는 단계 이전에,
셀룰로오스를 활성화 용액에 침지하는 단계; 및
침지된 셀룰로오스를 건조시키는 단계를 더 포함하는 활성 탄소의 제조방법.
- 제8항에 있어서,
활성화 용액의 흡수량은 셀룰로오스 단위무게(1㎎) 당 0.001㎖ 내지 0.1㎖인 것을 특징으로 하는 활성 탄소의 제조방법.
- 삭제
- 커피콩, 땅콩, 아몬드, 완두콩, 아보카도, 다시마, 미역, 파래 및 김으로 이루어진 군으로부터 선택되는 1종 이상의 열수 추출물을 이용하여 셀룰로오스로부터 제조되는 제1항에 따른 활성 탄소를 포함하는 전지용 전극.
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KR1020160164911A KR101871174B1 (ko) | 2016-12-06 | 2016-12-06 | 커피콩 추출물을 이용한 활성 탄소의 제조방법 및 이를 포함하는 전지용 전극 |
US16/466,995 US20190393504A1 (en) | 2016-12-06 | 2016-12-06 | Method for manufacturing activated carbon using coffee bean extract and electrode for battery comprising same |
PCT/KR2016/014236 WO2018105766A1 (ko) | 2016-12-06 | 2016-12-06 | 커피콩 추출물을 이용한 활성 탄소의 제조방법 및 이를 포함하는 전지용 전극 |
JP2019528457A JP6824406B2 (ja) | 2016-12-06 | 2016-12-06 | コーヒー豆抽出物を利用した活性炭素の製造方法 |
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CN109585181A (zh) * | 2018-10-17 | 2019-04-05 | 上海交通大学 | 基于褐藻egg-box结构的储锂用掺氮多孔碳正极材料的制备方法 |
EP3949745A4 (en) * | 2019-03-29 | 2022-12-28 | Suntory Holdings Limited | METHOD OF MAKING TEA FLAVOR COMPOSITION |
AT523171B1 (de) * | 2020-02-21 | 2021-06-15 | Papierholz Austria Gmbh | Elektrisch leitfähiges Material, Verfahren zu seiner Herstellung sowie Verwendung desselben |
CN111215031B (zh) * | 2020-03-18 | 2022-06-14 | 重庆三峡学院 | 一种高纯生物炭的制备方法 |
CN112290025B (zh) * | 2020-11-11 | 2023-04-25 | 瓮福(集团)有限责任公司 | 一种基于碳化海带的电极材料的制备方法和锂硫电池 |
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KR101525534B1 (ko) * | 2012-12-31 | 2015-06-03 | 인하대학교 산학협력단 | 알칼리계 활성화제로 활성화 처리된 활성탄소 및 이를 이용한 슈퍼커패시터용 전극 |
KR101565036B1 (ko) | 2013-12-09 | 2015-11-02 | 한국에너지기술연구원 | 3차원 계층구조의 바이오 나노 활성탄 및 제조방법 |
JP2016150870A (ja) * | 2015-02-17 | 2016-08-22 | Jxエネルギー株式会社 | 活性炭の製造方法及び活性炭を含む電極 |
CN105883803A (zh) * | 2016-04-08 | 2016-08-24 | 合肥工业大学 | 一种基于木质素黑液的中大孔径炭材料的制备方法 |
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