KR20070074502A - 리튬 니켈 산화물 층을 포함하는 전극, 그 제조방법 및이를 포함하는 전기변색소자 - Google Patents
리튬 니켈 산화물 층을 포함하는 전극, 그 제조방법 및이를 포함하는 전기변색소자 Download PDFInfo
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- KR20070074502A KR20070074502A KR1020070002353A KR20070002353A KR20070074502A KR 20070074502 A KR20070074502 A KR 20070074502A KR 1020070002353 A KR1020070002353 A KR 1020070002353A KR 20070002353 A KR20070002353 A KR 20070002353A KR 20070074502 A KR20070074502 A KR 20070074502A
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- G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
- G02F1/1524—Transition metal compounds
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Abstract
Description
Claims (16)
- a) 전도성 기판 위에 리튬 니켈 산화물(LixNi1 - yO, 여기서 0.4<x<1, 0<y<1)층이 형성된 전극을 제공하는 단계;b) 상기 전극에 산화전압을 인가한 후 환원전압을 인가하는 단계;를 포함하여 리튬 니켈 산화물 내에서 니켈(Ni)이 한 가지의 산화수를 갖도록 하는 전극의 제조방법.
- 제 1항에 있어서, 상기 b)단계는 리튬 이온(Li+)이 존재하는 전해질과 환원성 상대전극을 구비한 전기화학 셀 내에서 산화전압과 환원전압을 번갈아 인가하여 행해지는 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 b)단계에서 인가되는 전압의 범위는 전극의 분해가 일어나지 않을 정도의 범위인 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 b)단계에서 인가되는 전압의 범위는 산화전압 1V ~ 3.2V, 환원 전압 -1V ~ -2.7V 범위인 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 b)단계는 산화-환원 전압 인가시 상기 전극이 완전 히 산화 또는 환원이 일어나도록 하는 것을 특징으로 하는 제조방법.
- 제 1항에 있어서, 상기 b)단계는 환원 전압 인가시 상기 전극이 완전히 환원되어 500nm 파장에서의 광투과도가 80 % 이상이 되도록 하는 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 b)단계는 15℃ 이상 전해질의 끓는점 또는 분해온도 이하에서 수행하는 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 b)단계의 반복횟수는 1 내지 10회 인 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 단계 a)와 b)사이에, 리튬 니켈 산화물(LixNi1 - yO, 여기서 0.4<x<1, 0<y<1)층이 형성된 전극을 열처리하는 단계를 더 포함하는 것이 특징인 제조방법.
- 제 9항에 있어서, 상기 열처리는 100℃ ~ 350℃의 온도에서 30분 ~ 3시간 동안 행하는 것이 특징인 제조방법.
- 제 1항에 있어서, 상기 전극은 전기변색소자의 산화 전극으로 사용되는 것이 특징인 제조방법.
- 전도성 기판 위에 형성된 리튬니켈산화물 층을 포함하는 전극으로서, 상기 리튬니켈산화물 내에서 니켈(Ni)이 한 가지의 산화수(oxidation number)를 갖는 것이 특징인 전극.
- 제 12항에 있어서, 상기 산화수는 +2 또는 +3인 것이 특징인 전극
- 제 12항에 있어서, 전도성 기판 위에 형성된 리튬니켈산화물 층의 두께가 150nm ~ 10㎛ 범위인 것이 특징인 전극.
- 제 12항에 있어서, 제 1항 내지 제 11항 중 어느 한 항에 기재된 방법에 의해 제조된 것이 특징인 전극.
- a)제 1 전극; b)제 2 전극; c)전기변색물질; 및 d)전해질을 구비하는 전기변색소자에 있어서, 상기 제 1 전극 또는 제 2 전극이 제 12항 내지 제 14항 중 어느 한 항에 기재된 전극인 것이 특징인 전기변색소자.
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US (1) | US7564611B2 (ko) |
EP (1) | EP1977284B1 (ko) |
JP (1) | JP4864983B2 (ko) |
KR (1) | KR100786973B1 (ko) |
CN (1) | CN101365982B (ko) |
TW (1) | TWI367385B (ko) |
WO (1) | WO2007081121A1 (ko) |
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Cited By (2)
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US7999991B2 (en) | 2007-01-22 | 2011-08-16 | Lg Chem, Ltd. | Electrode comprising lithium nickel oxide layer, method for preparing the same, and electrochromic device comprising the same |
KR20180106590A (ko) * | 2017-03-21 | 2018-10-01 | 주식회사 엘지화학 | 전기변색소자 |
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WO2007081121A1 (en) | 2007-07-19 |
JP4864983B2 (ja) | 2012-02-01 |
US7564611B2 (en) | 2009-07-21 |
EP1977284A4 (en) | 2009-02-25 |
JP2009522613A (ja) | 2009-06-11 |
KR100786973B1 (ko) | 2007-12-17 |
CN101365982B (zh) | 2011-12-07 |
EP1977284B1 (en) | 2016-03-16 |
TWI367385B (en) | 2012-07-01 |
US20070160907A1 (en) | 2007-07-12 |
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EP1977284A1 (en) | 2008-10-08 |
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