JP5747421B2 - カーボンナノチューブ連結のグラフェンシートフィルムとその製造方法及びそれを用いたグラフェンシートキャパシター - Google Patents
カーボンナノチューブ連結のグラフェンシートフィルムとその製造方法及びそれを用いたグラフェンシートキャパシター Download PDFInfo
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- JP5747421B2 JP5747421B2 JP2012546910A JP2012546910A JP5747421B2 JP 5747421 B2 JP5747421 B2 JP 5747421B2 JP 2012546910 A JP2012546910 A JP 2012546910A JP 2012546910 A JP2012546910 A JP 2012546910A JP 5747421 B2 JP5747421 B2 JP 5747421B2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 525
- 229910021389 graphene Inorganic materials 0.000 title claims description 341
- 239000002041 carbon nanotube Substances 0.000 title claims description 153
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims description 149
- 239000003990 capacitor Substances 0.000 title claims description 68
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 229910002804 graphite Inorganic materials 0.000 claims description 24
- 239000010439 graphite Substances 0.000 claims description 24
- 239000002109 single walled nanotube Substances 0.000 claims description 20
- 239000011259 mixed solution Substances 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 12
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims description 9
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims description 9
- 239000000725 suspension Substances 0.000 description 27
- 230000000052 comparative effect Effects 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000003993 interaction Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 17
- 150000002500 ions Chemical class 0.000 description 16
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- 239000004094 surface-active agent Substances 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 9
- 239000000463 material Substances 0.000 description 7
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- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
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- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
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- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
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- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
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Classifications
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00134—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems comprising flexible or deformable structures
- B81C1/00158—Diaphragms, membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
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- B82B1/00—Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y40/00—Manufacture or treatment of nanostructures
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
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- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
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- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/02—Sensors
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- C—CHEMISTRY; METALLURGY
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/04—Specific amount of layers or specific thickness
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y10S977/742—Carbon nanotubes, CNTs
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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
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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
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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
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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
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- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Carbon And Carbon Compounds (AREA)
Description
<グラフェンシート集積体>
まず、本発明の実施形態であるグラフェンシート集積体について説明する。
<グラフェンシート集積体の製造方法>
次に、本発明の実施形態であるグラフェンシート集積体の製造方法について説明する。
<第1工程>
図2は、前記第1工程と前記第2工程の一例を示す図である。
<第2工程>
第2工程は、ヒドラジン水和物を用いて、グラファイト酸化物を還元して、前記化学的に還元されたグラフェンを生成する工程である。
<第3工程>
第3工程は、化学的に還元されたグラフェンを均一に分散させた水溶液にカーボンナノチューブを添加して、グラフェンとカーボンナノチューブとを含む混合溶液を作製する工程である。
<第4工程>
第4工程は、前記混合溶液を濾過する工程である。
<グラフェンシートキャパシター>
次に、本発明の実施形態であるグラフェンシートキャパシターについて説明する。
<実施例1、比較例1、2のフィルムサンプル作製>
図2に示すグラフェンの生成工程に従い、グラフェンを生成した。
<実施例1、比較例1、2のフィルムサンプルの電子顕微鏡観察及び回折パターン測定>
カーボンナノチューブフィルム(比較例1)、グラフェンシートフィルム(比較例2)及びグラフェンシート集積体(実施例1)の3種のフィルムサンプルの電子顕微鏡観察及び回折パターン測定を行った。
<実施例1、比較例1、2のフィルムサンプルのキャパシター特性測定>
図5及び図6に示すテストセルを用いて、作製したそれぞれのシートのキャパシター特性を計測した。計測値は計測する電池システムによるが、ここでは、キャパシターの材料特性を最も正確に計測する2電極テストセルを用いた。
また、電解液には、1Mの塩化カリウム(KCl)水溶液と1MのTEABF4(Tetraethylammonium tetrafluoroborate)のPC(Propylene carbonate)液を用いた。
Claims (6)
- 2枚以上のグラフェンシートが第1のカーボンナノチューブを介して積層されたグラフェンシート積層体の複数が相互に第2のカーボンナノチューブにより電気的及び機械的に3次元状に連結されたことを特徴とするグラフェンシート集積体フィルム。
- 前記第1及び第2のカーボンナノチューブが単層カーボンナノチューブであることを特徴とする請求項1に記載のグラフェンシート集積体フィルム。
- 前記単層カーボンナノチューブの長さが5〜20μmであることを特徴とする請求項2に記載のグラフェンシート集積体フィルム。
- 化学的に還元されたグラフェンシートを均一に分散させた水溶液にカーボンナノチューブを添加して、前記グラフェンシートと前記カーボンナノチューブとを含む混合溶液を作製する工程と、前記混合溶液を濾過する工程と、を有することを特徴とするグラフェンシート集積体フィルムの製造方法。
- ヒドラジン水和物を用いて、グラファイト酸化物を還元して、前記化学的に還元されたグラフェンシートを生成することを特徴とする請求項4に記載のグラフェンシート集積体フィルムの製造方法。
- 請求項1〜3のいずれか1項に記載のグラフェンシート集積体フィルムを有することを特徴とするグラフェンシートキャパシター。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012546910A JP5747421B2 (ja) | 2010-12-02 | 2011-11-30 | カーボンナノチューブ連結のグラフェンシートフィルムとその製造方法及びそれを用いたグラフェンシートキャパシター |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010269093 | 2010-12-02 | ||
JP2010269093 | 2010-12-02 | ||
JP2012546910A JP5747421B2 (ja) | 2010-12-02 | 2011-11-30 | カーボンナノチューブ連結のグラフェンシートフィルムとその製造方法及びそれを用いたグラフェンシートキャパシター |
PCT/JP2011/077651 WO2012073998A1 (ja) | 2010-12-02 | 2011-11-30 | カーボンナノチューブ連結のグラフェンシートフィルムとその製造方法及びそれを用いたグラフェンシートキャパシター |
Publications (2)
Publication Number | Publication Date |
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JPWO2012073998A1 JPWO2012073998A1 (ja) | 2014-05-19 |
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US20130295374A1 (en) | 2013-11-07 |
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