KR102101151B1 - 전기변색소자 - Google Patents
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- KR102101151B1 KR102101151B1 KR1020160038886A KR20160038886A KR102101151B1 KR 102101151 B1 KR102101151 B1 KR 102101151B1 KR 1020160038886 A KR1020160038886 A KR 1020160038886A KR 20160038886 A KR20160038886 A KR 20160038886A KR 102101151 B1 KR102101151 B1 KR 102101151B1
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- 238000003860 storage Methods 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 150000002500 ions Chemical class 0.000 claims description 48
- 239000010949 copper Substances 0.000 claims description 37
- -1 copper nitride Chemical class 0.000 claims description 35
- 229910052802 copper Inorganic materials 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 238000002834 transmittance Methods 0.000 claims description 26
- 229910002804 graphite Inorganic materials 0.000 claims description 25
- 239000010439 graphite Substances 0.000 claims description 25
- 239000003792 electrolyte Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000007784 solid electrolyte Substances 0.000 claims description 10
- 239000011787 zinc oxide Substances 0.000 claims description 8
- 229910003480 inorganic solid Inorganic materials 0.000 claims description 7
- 229910012424 LiSO 3 Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000005518 polymer electrolyte Substances 0.000 claims description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 4
- 238000004042 decolorization Methods 0.000 claims description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229910001887 tin oxide Inorganic materials 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 3
- 150000002642 lithium compounds Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 3
- 241001101998 Galium Species 0.000 claims description 2
- 229910010238 LiAlCl 4 Inorganic materials 0.000 claims description 2
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 2
- 229910013528 LiN(SO2 CF3)2 Inorganic materials 0.000 claims description 2
- 229910013553 LiNO Inorganic materials 0.000 claims description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 2
- 229910012513 LiSbF 6 Inorganic materials 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007756 gravure coating Methods 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 2
- 239000011244 liquid electrolyte Substances 0.000 claims description 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 2
- 239000002070 nanowire Substances 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 238000007650 screen-printing Methods 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 229910012305 LiPON Inorganic materials 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000002845 discoloration Methods 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 16
- 239000010409 thin film Substances 0.000 abstract description 11
- 238000004040 coloring Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 6
- 229910001930 tungsten oxide Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- 238000004549 pulsed laser deposition Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- 229910013292 LiNiO Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000000427 thin-film deposition Methods 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 1
- 229910016547 CuNx Inorganic materials 0.000 description 1
- 239000002200 LIPON - lithium phosphorus oxynitride Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002042 Silver nanowire Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000001182 laser chemical vapour deposition Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920001088 polycarbazole Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007764 slot die coating Methods 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/153—Constructional details
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Description
하프-셀: 전기변색층을 포함하는 작업전극 | 하프-셀: 이온저장층을 포함하는 상대전극 | |||||||
측정 항목 |
TCO 면저항 (Ω/□) |
전하량 (mC) |
△T(%) | Time(s) Col. / Ble. |
TCO 면저항 | 전하량 (mC) |
△T(%) | Time(s) Col. / Ble. |
실시예 | 30 | 50 | 25 | 10/10 | 30 | 50 | - | - |
비교예 | 30 | 600 | 60 | 60/30 | 30 | 200 | 40 | 30/30 |
TCO 면저항: ITO 전극의 면저항 값 △T: 각 전극의 착색 및 탈색시 투과율 차이 Time(s) Col. : 전극이 탈색(bleaching) 상태에서 착색(coloring) 상태로 전환되는데 소요되는 시간. 완전 착색 상태의 투과율 대비 80% 투과율을 갖는 데까지 소요되는 시간으로 측정될 수 있다. Time(s) Ble. : 전극이 착색(coloring) 상태에서 탈색(bleaching) 상태로 전환되는데 소요되는 시간. 완전 탈색 상태의 투과율 대비 80% 투과율을 갖는 데까지 소요되는 시간으로 측정될 수 있다. |
전기변색소자 (Full Cell) | ||||
△T(%) | Coloring Time(s) | Bleaching Time(s) | 전하량 (mC) | |
실시예 | 25 | 10 | 5 | 50 |
비교예 | 50 | 36 | 13 | 250 |
△T: 전체 소자의 착색 및 탈색시 투과율 차이 Bleaching Time(s): 전기변색층이 착색(coloring) 상태에서 탈색(bleacing)될 경우 소요되는 시간. 완전 탈색 상태의 투과율 대비 80% 투과율을 갖는 데까지 소요되는 시간으로 측정될 수 있다. Coloring Time(s): 전기변색층이 탈색(bleacing) 상태에서 착색(coloring)될 경우, 소요되는 시간. 완전 착색 상태의 투과율 대비 80% 투과율을 갖는 데까지 소요되는 시간으로 측정될 수 있다. |
Claims (21)
- 대향 배치된 2개의 전극층, 전기변색층, 이온저장층, 및 전해질층을 포함하는 전기변색소자이고, 상기 전기변색층은 질화구리(CuNx)를 포함하고, 상기 이온저장층은 전도성 그라파이트를 포함하는 전기변색소자.
- 제1항에 있어서, 상기 전도성 그라파이트는 그라파이트 산화물이고, 산소와 탄소의 질량비가 0.005 ≤ O/C ≤ 0.3 범위인 전기변색 소자.
- 제2항에 있어서, 상기 이온저장층은 100 Ω/□ 내지 1,000 Ω/□의 저항을 갖는 전기변색소자.
- 제2항에 있어서, 상기 이온저장층은 10 nm 내지 150 nm 범위의 두께를 갖고, 가시광선에 대한 굴절률이 1.0 내지 3.0 범위인 전기변색소자.
- 제2항에 있어서, 이온저장층은 가시광선에 대한 투과율이 65 % 내지 75 % 범위인 전기변색 소자.
- 제1항에 있어서, 상기 질화구리(CuNx)는 0.05 ≤ N/Cu ≤ 0.2 범위의 질량비를 갖는 전기변색소자.
- 제6항에 있어서, 상기 전기변색층은 1,000 Ω/□ 이하의 저항을 갖는 전기변색소자.
- 제6항에 있어서, 상기 전기변색층은 10 nm 내지 150 nm 범위의 두께를 갖고, 가시광선에 대한 굴절률이 2.0 내지 3.5 범위 인 전기변색 소자.
- 제6항에 있어서, 상기 전기변색층은 착색시 가시광선에 대한 투과율이 40 % 내지 55 %이고, 탈색시 가시광선에 대한 투과율이 65 % 내지 75 %인 전기변색 소자.
- 제1항에 있어서, 전해질층은 두께가 30 ㎛ 내지 200 ㎛이고, 가시광선에 대한 광 투과율이 70 % 내지 95 % 범위인 전기변색소자.
- 제1항에 있어서, 상기 전해질층은 액체 전해질, 겔 타입 고분자 전해질 또는 무기고체전해질 중 어느 하나를 포함하는 전기변색소자.
- 제11항에 있어서, 상기 전해질은 LiPON 또는 Ta2O5를 포함하는 무기 고체전해질인 전기변색소자.
- 제11항에 있어서, 상기 전해질은 카보네이트 화합물과 리튬화합물을 포함하는 혼합물의 경화물로부터 형성된 겔 타입 고분자 전해질인 전기변색소자.
- 제13항에 있어서, 카보네이트계 화합물은 PC(propylene carbonate), EC(ethylene carbonate), DMC(dimethyl carbonate), DEC(diethyl carbonate) 및 EMC(ethylmethyl carbonate)로 구성되는 그룹으로부터 선택되는 전기변색소자.
- 제13항에 있어서, 리튬화합물은 LiF, LiCl, LiBr, LiI, LiClO4, LiBF4, LiClO3, LiAsF6, LiSbF6, LiAl04, LiAlCl4, LiNO3, LiN(CN)2, LiPF6, Li(CF3)2PF4, Li(CF3)3PF3, Li(CF3)4PF2, Li(CF3)5PF, Li(CF3)6P, LiSO3CF3, LiSO3C4F9, LiSO3(CF2)7CF3, 및 LiN(SO2CF3)2 중에서 선택되는 전기변색소자.
- 제1항에 있어서, 전극층은, ITO(Indium Tin Oxide), FTO(Fluor doped Tin Oxide), AZO(Aluminium doped Zinc Oxide), GZO(Galium doped Zinc Oxide), ATO(Antimony doped Tin Oxide), IZO(Indium doped Zinc Oxide), NTO(Niobium doped Titanium Oxide), ZnO, OMO(Oxide/Metal/Oxide) 및 CTO로 구성된 그룹 중에서 선택되는 하나 이상의 투명 전도성 화합물(TCO); 전도성 고분자; 은 나노와이어(Ag nanowire); 및 메탈메쉬(Metal mesh) 중 어느 하나를 포함하는 전기변색소자.
- 제16항에 있어서, 상기 전극층은 1 nm 내지 1 ㎛ 범위의 두께를 갖고, 가시광선에 대한 투과율이 70 % 내지 95 % 범위인 전기변색소자.
- 제1항에 있어서, 상기 전기변색소자는 전원을 추가로 포함하고, 상기 전기변색소자의 착색 전위는 그 크기가 2.5V 이상인 음(-)의 전위이고, 탈색 전위는 그 크기가 2V 이하인 양(+)의 전위인 전기변색소자.
- 하나의 전극층 상에 구리와 질소의 질량비가 0.05 ≤ N/Cu ≤ 0.2 범위를 갖는 질화구리층을 마련하는 단계; 및
다른 하나의 전극층 상에 산소와 탄소의 질량비가 0.005 ≤ O/C ≤ 0.3 범위를 갖는 그라파이트층을 마련하는 단계를 포함하는 전기변색소자의 제조방법.
- 제19항에 있어서, 상기 질화구리층 또는 그라파이트층은 증착(deposition), 스핀코팅(spin coating), 딥코팅(dip coating), 스크린 인쇄, 그라비아 코팅, 졸겔(sol-Gel)법, 또는 슬롯 다이 코팅(slot die) 중 어느 하나의 방법에 의해 마련되는 전기변색소자의 제조방법.
- 제19항에 있어서, 상기 질화구리층 또는 상기 그라파이트층 중 어느 한 층의 일면에 고체전해질층을 마련하는 단계를 추가로 포함하고, 상기 고체전해질층은 겔-고분자 전해질 또는 무기 고체전해질을 포함하는 전기변색소자의 제조방법.
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