JPWO2012073998A1 - 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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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 537
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 351
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 155
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 151
- 239000003990 capacitor Substances 0.000 title claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
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- 239000011259 mixed solution Substances 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 13
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- 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
- 238000009825 accumulation Methods 0.000 abstract 1
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- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 9
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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
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Classifications
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- 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
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- 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
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- 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
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- H01G11/32—Carbon-based
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- H—ELECTRICITY
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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
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
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カーボンナノチューブを介して平行に集積され、さらにこのグラフェンシート集積体が相互に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フィルム。
- 前記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 |
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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 |
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JP2010269093 | 2010-12-02 | ||
JP2010269093 | 2010-12-02 | ||
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 |
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 |
Publications (2)
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CN101964291B (zh) * | 2009-07-24 | 2012-03-28 | 清华大学 | 透射电镜微栅及其制备方法 |
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