KR20140075836A - 전극 구조체 및 그 제조 방법, 그리고 상기 전극 구조체를 구비하는 에너지 저장 장치 - Google Patents
전극 구조체 및 그 제조 방법, 그리고 상기 전극 구조체를 구비하는 에너지 저장 장치 Download PDFInfo
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- KR20140075836A KR20140075836A KR1020120135430A KR20120135430A KR20140075836A KR 20140075836 A KR20140075836 A KR 20140075836A KR 1020120135430 A KR1020120135430 A KR 1020120135430A KR 20120135430 A KR20120135430 A KR 20120135430A KR 20140075836 A KR20140075836 A KR 20140075836A
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- active material
- metal particles
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- plating process
- metal
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Images
Classifications
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Abstract
Description
도 2는 도 1에 도시된 A 영역의 확대도이다.
도 3은 본 발명의 실시예에 따른 전극 구조체의 제조 방법을 보여주는 순서도이다.
도 4는 본 발명의 일 실시예에 따른 에너지 저장 장치를 보여주는 도면이다.
도 5는 본 발명의 다른 실시예에 따른 에너지 저장 장치를 보여주는 도면이다.
구분 | 음극 활물질 | 양극 활물질 | |
EDLC |
실시예1 | 활성탄 + 은 분체 | 활성탄 |
실시예2 | 활성탄 + 주석 분체 | 활성탄 | |
비교예1 | 활성탄 | 활성탄 | |
LIC |
실시예3 | 흑연 + 은 분체 | 활성탄 |
실시예4 | 흑연 + 주석 분체 | 활성탄 | |
비교예2 | 흑연 | 활성탄 |
구분 | 정전 용량(F) | AC 저항(mΩ) | |
EDLC |
실시예1 | 283 | 3.2 |
실시예2 | 286 | 3.3 | |
비교예1 | 249 | 3.8 | |
LIC |
실시예3 | 564 | 4.8 |
실시예4 | 570 | 4.9 | |
비교예2 | 496 | 5.7 |
110 : 전류 집전체
120 : 활물질층
122 : 활물질
124 : 도전재
126 : 바인더
Claims (19)
- 전류 집전체(current collector); 및
상기 전류 집전체에 형성된 활물질층을 포함하되,
상기 활물질층은 탄소 재료 및 상기 탄소 재료에 형성된 금속 입자를 갖는 활물질을 포함하는 전극 구조체. - 제 1 항에 있어서,
상기 금속 입자의 함량은 상기 활물질에 대해 40wt% 미만인 전극 구조체. - 제 1 항에 있어서,
상기 금속 입자는 상기 활물질의 표면이 일부 노출되도록, 상기 활물질에 국부적으로 형성된 전극 구조체. - 제 1 항에 있어서,
상기 금속 입자는 상기 활물질의 표면 전체를 덮는 전극 구조체. - 제 1 항에 있어서,
상기 금속 입자는 상기 탄소 재료에 대해 형성된 주석(Sn), 은(Ag), 금(Au), 팔라듐(Pd), 백금(Pt), 안티몬(Sb), 비스무스(Bi), 로듐(Rh), 니켈(Ni), 코발트(Co), 아연(Zn), 루테늄(Ru), 구리(Cu), 규소(Si), 크롬(Cr), 그리고 망간(Mn) 중 적어도 어느 하나의 금속 무전해 도금 공정을 수행하여 형성된 것인 전극 구조체. - 전류 집전체를 준비하는 단계;
탄소 재료에 대해 도금 공정을 수행하여, 탄소 재료에 금속 입자가 형성된 활물질을 제조하는 단계;
상기 활물질, 도전재 및 바인더를 혼합하여 활물질 조성물을 제조하는 단계; 및
상기 전류 집전체 상에 상기 활물질 조성물을 도포하여, 상기 전류 집전체 상에 활물질층을 형성하는 단계를 포함하는 전극 구조체의 제조 방법. - 제 6 항에 있어서,
상기 금속 도금 공정을 수행하는 단계는 상기 활물질에 대한 상기 금속 입자의 함량이 40wt% 미만이 되도록 하는 전극 구조체의 제조 방법. - 제 6 항에 있어서,
상기 금속 도금 공정을 수행하는 단계는 상기 활물질의 표면이 일부 노출되도록, 상기 활물질에 상기 금속 입자를 국부적으로 형성시키는 단계를 포함하는 전극 구조체의 제조 방법. - 제 6 항에 있어서,
상기 금속 도금 공정을 수행하는 단계는 상기 금속 입자가 상기 활물질 표면 전체를 균일한 두께로 덮도록 수행되는 전극 구조체의 제조 방법. - 제 6 항에 있어서,
상기 금속 도금 공정을 수행하는 단계는 상기 탄소 재료에 대해 주석(Sn), 은(Ag), 금(Au), 팔라듐(Pd), 백금(Pt), 안티몬(Sb), 비스무스(Bi), 로듐(Rh), 니켈(Ni), 코발트(Co), 아연(Zn), 루테늄(Ru), 그리고 구리(Cu) 중 적어도 어느 하나의 금속 무전해 도금 공정을 수행하는 단계를 포함하는 전극 구조체의 제조 방법. - 음극;
상기 음극에 대향되는 양극; 및
상기 음극과 양극 사이에 제공된 전해액을 포함하되,
상기 음극 및 상기 양극 각각은:
전류 집전체(current collector); 및
상기 전류 집전체에 형성된 활물질층을 포함하고,
상기 활물질층은 탄소 재료 및 상기 탄소 재료에 형성된 금속 입자를 갖는 활물질을 포함하는 에너지 저장 장치. - 제 11 항에 있어서,
상기 금속 입자의 함량은 상기 활물질에 대해 40wt% 미만인 에너지 저장 장치. - 제 11 항에 있어서,
상기 금속 입자는 상기 활물질의 표면이 일부 노출되도록, 상기 활물질에 국부적으로 형성된 에너지 저장 장치. - 제 11 항에 있어서,
상기 금속 입자는 상기 활물질의 표면 전체를 덮는 에너지 저장 장치. - 제 11 항에 있어서,
상기 금속 입자는 상기 탄소 재료에 대해 형성된 주석(Sn), 은(Ag), 금(Au), 팔라듐(Pd), 백금(Pt), 안티몬(Sb), 비스무스(Bi), 로듐(Rh), 니켈(Ni), 코발트(Co), 아연(Zn), 루테늄(Ru), 구리(Cu), 규소(Si), 크롬(Cr), 그리고 망간(Mn) 중 적어도 어느 하나의 금속 무전해 도금 공정을 수행하여 형성된 것인 에너지 저장 장치. - 제 11 항에 있어서,
상기 전해액은 리튬염 및 암모늄염을 포함하되,
상기 리튬염은 LiPF6, LiBF4, LiSbF6, LiAsF5, LiClO4, LiCF3SO3, LiN(SO2CF3)2, LiN(SO2C2F5)2, LiC(SO2CF3)3, LiPF4(CF3)2, LiPF3(C2F5)3, LiPF3(CF3)3, LiPF3(iso-C3F7)3, LiPF5(iso-C3F7), (CF2)2(SO2)2NLi, 그리고 (CF2)3(SO2)2NLi 중 적어도 어느 하나를 포함하고,
상기 암모늄염은 테트라에틸 암모늄 테트라플루오로 보레이트(tetraethyl ammonium tetrafluoroborate:TEABF4), 트리에틸메틸 암모늄 테트라플루오로 보레이트(Triethylmethyl ammonium tetrafluoroborate:TEMABF4), 디에틸디메틸암모늄테트라플루오로보레이트(diethyldimethyl ammonium tetrafluoroborate: DEDMABF4, 디에틸메틸메톡시에틸 암모늄 테트라플루오로 보레이트(diethyl-methyl-methoxyethyl ammonium tetrafluoroborate:DEMEBF4), 스파이로바이 피롤리디니움 테트라플루오로 보레이트(spirobipyrrolidinium tetrafluoroborate:SBPBF4), 그리고 스파이로피페리딘피롤리디니움(spiropiperidinepyrrolidinium tetrafluoroborate:SPPBF4) 중 적어도 어느 하나를 포함하는 에너지 저장 장치.
- 제 11 항에 있어서,
상기 전해액은 리튬염 또는 암모늄염을 포함하되,
상기 리튬염 또는 상기 암모늄염의 농도는 상기 전해액에 대해 0.1M 내지 2.0M인 에너지 저장 장치.
- 제 11 항에 있어서,
상기 전해액은 리튬염 및 암모늄염을 포함하되,
상기 리튬염과 상기 암모늄염의 농도 몰비는 5 : 5 내지 1 : 9인 에너지 저 장 장치.
- 제 11 항에 있어서,
상기 전해액은 리튬염 및 암모늄염을 포함하되,
상기 리튬염과 상기 암모늄염의 농도 몰비는 9 : 1 내지 5 : 5인 에너지 저장 장치.
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JP2012079471A (ja) * | 2010-09-30 | 2012-04-19 | Sanyo Electric Co Ltd | 非水電解質二次電池の製造方法及び非水電解質二次電池 |
KR101126202B1 (ko) * | 2010-11-04 | 2012-03-22 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지 |
KR20120056556A (ko) * | 2010-11-25 | 2012-06-04 | 삼성전기주식회사 | 다층 구조의 전극, 및 상기 전극을 포함하는 슈퍼 캐패시터 |
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US20140113200A1 (en) * | 2011-07-25 | 2014-04-24 | Fraser Seymour | Functionalized Carbon Electrode, Related Material, Process for Production, and Use Thereof |
KR20130026790A (ko) * | 2011-09-06 | 2013-03-14 | 삼성전기주식회사 | 전극 활물질 조성물, 및 이를 포함하는 전기 화학 캐패시터 |
KR20130049441A (ko) * | 2011-11-04 | 2013-05-14 | 삼성전기주식회사 | 전극 활물질 조성물, 이의 제조 방법, 및 이를 이용한 전기 화학 캐패시터 |
US20130171502A1 (en) * | 2011-12-29 | 2013-07-04 | Guorong Chen | Hybrid electrode and surface-mediated cell-based super-hybrid energy storage device containing same |
KR102037266B1 (ko) * | 2012-12-14 | 2019-10-29 | 삼성전기주식회사 | 전극 구조물 및 이를 구비하는 에너지 저장 장치 |
-
2012
- 2012-11-27 KR KR1020120135430A patent/KR20140075836A/ko not_active Ceased
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2013
- 2013-03-14 US US13/804,079 patent/US9093224B2/en not_active Expired - Fee Related
- 2013-11-01 JP JP2013228023A patent/JP2014107550A/ja active Pending
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JP2014107550A (ja) | 2014-06-09 |
US20140146439A1 (en) | 2014-05-29 |
US9093224B2 (en) | 2015-07-28 |
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