KR20030038826A - 망상형의 제어된 다공성 배터리 구조물 - Google Patents
망상형의 제어된 다공성 배터리 구조물 Download PDFInfo
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- KR20030038826A KR20030038826A KR10-2003-7005495A KR20037005495A KR20030038826A KR 20030038826 A KR20030038826 A KR 20030038826A KR 20037005495 A KR20037005495 A KR 20037005495A KR 20030038826 A KR20030038826 A KR 20030038826A
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Classifications
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H01M10/052—Li-accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Primary Cells (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
Claims (67)
- 전해질과 이온 접촉하는 적어도 하나의 망상 전극을 포함하는 것을 특징으로 하는 에너지 저장 장치.
- 전해질 매트릭스로 복수의 연장부를 형성하는 형상을 갖는 제1 전극을 포함하는 것을 특징으로 하는 에너지 저장 장치.
- 제2항에 있어서, 상기 연장부와 상보적인 형상을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 에너지 저장 장치.
- 전해질로 연장하는 제1 세트의 돌기부를 갖는 제1 전극과,제1 세트의 돌기부와 상보적으로 구성되어 배열된 제2 세트의 돌기부를 갖는 제2 전극을 포함하는 것을 특징으로 하는 2극 장치.
- 제4항에 있어서, 제1 세트의 돌기부는 제2 세트의 돌기부로부터 대체로 균일한 간격으로 분리되는 것을 특징으로 하는 2극 장치.
- 다공성 네트워크가 내부에 형성된 골조를 포함하는 것을 특징으로 하는 전극.
- 제6항에 있어서, 다공성 네트워크는 이온식으로 상호 연결되는 것을 특징으로 하는 전극.
- 제6항에 있어서, 다공성 네트워크는 제1 단부에서 제2 단부로 변화하는 공극 밀도인 것을 특징으로 하는 전극.
- 제8항에 있어서, 공극 밀도는 제1 단부에서의 평균 공극 밀도로부터 적어도 10%미만인 것을 특징으로 하는 전극.
- 제9항에 있어서, 공극 밀도는 제2 단부에서의 평균 공극 밀도로부터 적어도 10%이상인 것을 특징으로 하는 전극.
- 제10항에 있어서, 공극 밀도는 제1 단부에서 제2 단부로 약 5% 이상 변화하는 것을 특징으로 하는 전극.
- 제1 전극과,제2 전극과,제1 전극과 전자 통신하는 제1 집전기와,제2 전극과 전자 통신하는 제2 집전기를 포함하며,제1 전극은 제1 집전기와 제2 전극 사이에 위치되어 제1 집전기로부터 제2 전극을 향하는 방향으로 공극율이 증가하는 부분을 포함하는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극과 제2 전극을 분리하는 다공성 분리기를 더 포함하며, 분리기를 허용하는 액체 전해질 및 제1 전극의 다공성부의 적어도 일부를 수용하도록 구성되어 배열되는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극 및 제2 전극은 각각 액체 전해질을 수용하는 다공성부를 포함하고, 다른 전극을 향하는 방향으로 증가하는 공극율을 갖는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 약 10 내지 70%까지의 평균 공극율을 갖는 다공성부를 구비하는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 약 20 내지 50%까지의 평균 공극율을 갖는 다공성부를 구비하는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 약 30 내지 45%까지의 평균 공극율을 갖는 다공성부를 구비하는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 평균 공극율 및 제1 집전기로부터 제2 전극을 향하는 방향으로 공극 구배를 가지며, 공극율의 각각의 구배 극값이 평균 공극율과 적어도 10% 상이한 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 평균 공극율 및 제1 집진기로부터 제2 전극을 향하는 방향으로 공극 구배를 가지며, 공극율의 각각의 구배 극값이 평균 공극율과 적어도 20% 상이한 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 평균 공극율 및 제1 집진기로부터 제2 전극을 향하는 방향으로 공극 구배를 가지며, 공극율의 각각의 구배 극값이 평균 공극율과 적어도 30% 상이한 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극의 임의의 단면의 공극율이 집전기 질량 중심을 연결하는 선에 수직하고 제2 전극의 질량 중심은 +/-10%로 균일한 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극의 임의의 단면의 공극율이 집전기 질량 중심을 연결하는 선에 수직하고 제2 전극의 질량 중심은 +/-5%로 균일한 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극의 임의의 단면의 공극율이 집전기 질량 중심을 연결하는 선에 수직하고 제2 전극의 질량 중심은 +/-3%로 균일한 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극의 임의의 단면의 공극율이 집전기 질량 중심을 연결하는 선에 수직하고 제2 전극의 질량 중심은 +/-1%로 균일한 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 제1 집전기로부터 임의의 위치에서 5%이하로 변화하는 경사를 갖는 제2 전극을 향하는 방향으로 공극 구배를 갖는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 제1 집전기로부터 임의의 위치에서 10%이하로 변화하는 경사를 갖는 제2 전극을 향하는 방향으로 공극 구배를 갖는 것을 특징으로 하는 배터리.
- 제12항에 있어서, 제1 전극은 제1 집전기로부터 임의의 위치에서 15%이하로 변화하는 경사를 갖는 제2 전극을 향하는 방향으로 공극 구배를 갖는 것을 특징으로 하는 배터리.
- 대략 전극에 대향하게 위치 설정하기 위한 제1 정합면을 갖는 제1 전극을 포함하며, 정합면은 매끈한 비망상 구조로된 제1 정합면 표면적의 적어도 1.5배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 것을 특징으로 하는 장치.
- 제28항에 있어서, 제1 정합면은 매끈한 비망상 구조로된 제1 정합면 표면적의 적어도 2배의 표면적을 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 제1 정합면은 매끈한 비망상 구조로된 제1 정합면 표면적의 적어도 2.5배의 표면적을 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 제1 정합면은 매끈한 비망상 구조로된 제1 정합면 표면적의 적어도 3배의 표면적을 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 제1 정합면은 매끈한 비망상 구조로된 제1 정합면 표면적의 적어도 4배의 표면적을 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 제1 정합면은 매끈한 비망상 구조로된 제1 정합면 표면적의 적어도 5배의 표면적을 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 돌기부는 각각의 인접한 만입부에 대해 약 100%의 평균 높이를 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 돌기부는 각각의 인접한 만입부에 대해 약 75%의 평균 높이를 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 돌기부는 적어도 약 2의 평균 종횡비를 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 돌기부는 적어도 약 2.5의 평균 종횡비를 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 돌기부는 적어도 약 3.0의 평균 종횡비를 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 돌기부는 적어도 약 4.0의 평균 종횡비를 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 돌기부는 적어도 약 5.0의 평균 종횡비를 갖는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 1.5배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 2배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 2.5배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 3배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 3.5배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 4배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 4.5배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제28항에 있어서, 매끈한 비망상 구조로된 제2 정합면 표면적의 적어도 5배의 표면적을 제공하는 복수의 돌기부 및 개재된 만입부를 형성하기 위해 망상인 제2 정합면을 갖는 제2 전극을 더 포함하는 것을 특징으로 하는 장치.
- 제41항에 있어서, 제1 및 제2 정합면은 레지스터에 위치되어 각각의 정합면의 돌기부가 대체로 다른 정합면의 만입부와 정렬되는 것을 특징으로 하는 장치.
- 제41항에 있어서, 정합면들 사이의 평균 간격은 100미크론 이하인 것을 특징으로 하는 장치.
- 제50항에 있어서, 정합면들 사이의 평균 간격은 50미크론 이하인 것을 특징으로 하는 장치.
- 제50항에 있어서, 정합면들 사이의 평균 간격은 25미크론 이하인 것을 특징으로 하는 장치.
- 제50항에 있어서, 정합면들 사이의 평균 간격은 10미크론 이하인 것을 특징으로 하는 장치.
- 제50항에 있어서, 제1 정합면과 제2 정합면 사이에 위치된 전해질을 더 포함하는 것을 특징으로 하는 장치.
- 제54항에 있어서, 전해질은 고체인 것을 특징으로 하는 장치.
- 제54항에 있어서, 전해질은 액체인 것을 특징으로 하는 장치.
- 제28항에 있어서, 전극은 다공성인 것을 특징으로 하는 장치.
- 내부에 형성되어 전해질로부터 그 표면으로 이온 산란을 허용하도록 구성되어 배열된 복수의 채널을 포함하는 것을 특징으로 하는 전극.
- 제58항에 있어서, 채널은 대체로 전극을 가로질러 연장하는 것을 특징으로 하는 전극.
- 제58항에 있어서, 각각의 채널 단부는 전해질과 이온 연통하는 것을 특징으로 하는 전극.
- 제58항에 있어서, 채널은 대체로 평행하게 배열되는 것을 특징으로 하는 전극.
- 제58항에 있어서, 채널은 서로 전극의 가장 작은 치수보다 짧은 간격으로 배치되는 것을 특징으로 하는 전극.
- 전해질과 접촉하고 내부에 형성되며 전해질로부터 그 표면으로 이온 산란을 허용하도록 구성되어 배열된 복수의 채널을 갖는 전극을 포함하는 것을 특징으로 하는 배터리.
- 전해질과 이온 연통하는 적어도 하나의 천공 전극을 포함하는 것을 특징으로 하는 배터리.
- 중합체 바인더가 없는 다공성 전극을 포함하는 것을 특징으로 하는 2극 장치.
- 탄소 첨가제가 없는 다공성 전극을 포함하는 것을 특징으로 하는 2극 장치.
- 제1 전극, 제2 전극, 제1 전극과 전자 통신되는 제1 집전기 및 제2 전극과 전자 통신되는 제2 집전기를 포함하는 베터리를 제공하는 단계를 포함하는, 에너지를 용이하게 제공하는 방법이며,제1 전극은 제1 집전기와 제2 전극 사이에 위치되어 제1 집전기로부터 제2 전극을 향하는 방향으로 공극율이 증가하는 부분을 포함하는 것을 특징으로 하는 방법.
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CN (2) | CN1901255B (ko) |
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AU (1) | AU2002241629A1 (ko) |
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KR100682862B1 (ko) * | 2005-01-11 | 2007-02-15 | 삼성에스디아이 주식회사 | 전기 화학 전지용 전극, 그 제조 방법 및 이를 채용한전기 화학 전지 |
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