JP7348439B2 - 自己支持炭素電極 - Google Patents
自己支持炭素電極 Download PDFInfo
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- JP7348439B2 JP7348439B2 JP2019552890A JP2019552890A JP7348439B2 JP 7348439 B2 JP7348439 B2 JP 7348439B2 JP 2019552890 A JP2019552890 A JP 2019552890A JP 2019552890 A JP2019552890 A JP 2019552890A JP 7348439 B2 JP7348439 B2 JP 7348439B2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 59
- 229910052799 carbon Inorganic materials 0.000 title claims description 20
- 239000011230 binding agent Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229920001940 conductive polymer Polymers 0.000 claims description 5
- 239000002608 ionic liquid Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000002048 multi walled nanotube Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 229920000867 polyelectrolyte Polymers 0.000 claims description 2
- 239000002109 single walled nanotube Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 description 7
- 239000010410 layer Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000002041 carbon nanotube Substances 0.000 description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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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
- H01G11/38—Carbon pastes or blends; Binders or additives therein
-
- 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
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- 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
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- 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
- H01G11/48—Conductive polymers
-
- 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
- H01G11/52—Separators
-
- 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
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
-
- 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
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
10.5gの含水イソプロパノールの溶液を、9.9gの脱イオン水と混合した。これに、水中の1.5gのPTFEの60%分散液(密度:1.50g/cm3)(MTI Corporationより入手)を、絶えず攪拌しながら添加した。YP-50活性炭(Kuraryより入手)及び中壁カーボンナノチューブ(Nanocyl NC7000、高い導電性を達成するためにESRを低くした)を、8:1(9:1)の重量比で予混合した。結果もたらされた8g(10.8g)の混合物を、800rpmにおいて動作する実験室用ミキサ(Thinky ARE-250)内で高せん断条件下で溶液に添加し、均質な生地が形成されるまで5分にわたって混合し続けた。結果もたらされた生地は30グラムになり、その後、圧延して平均厚さが340マイクロメートルのシートを得た。その後、シートを室温において12時間、その後、真空下で600℃及び1200℃において2時間にわたって乾燥させた。乾燥した生成物を乾燥箱内で保管し、その後、コイン電池実験に使用するために電極に切り出した。
型抜き機を使用して、電極シートの16mmディスクを切り出した。その後、乾燥したTitanium-30膜セパレータ(DreamWeaver Corporationより入手)の対応するディスク及びEMIM TFSI(1-エチル-3-メチルイミダゾリウムビス(トリフルオロメタンスルホニル)イミド)イオン液体電解質を使用して、従来のコイン電池を試験目的で組み立てた。その後、充填されたコイン電池を圧着によってシールした後、試験を受けさせた。
Claims (8)
- イオン液体電解質を備える1つ又は複数のユニットと、
膜セパレータと、
70~90重量%の活性炭、及び、5~25重量%の導電性炭素のマトリックスから本質的に成る、自立式の剛性又は機械的に弾性の導電性シートを備えることを特徴とする、電気回路に取り付けられるように適合されている、自己支持スーパーキャパシタ電極と、
を備えるスーパーキャパシタであって、
前記活性炭及び導電性炭素は、5~20重量%の高分子結合剤内に均一に分散されており、
前記電極は、金属電流コレクタ又は支持基板によって支持されないという点において自立しており、前記電極は、本体と、外部回路への電気的接続を可能にするための金属化タブ又は金属タブと、を備える、スーパーキャパシタ。 - (i)活性炭と導電性炭素との重量比が8:1~20:1の範囲内である、(ii)前記活性炭の表面積が1500~2500m2g-1の範囲内である、及び/又は(iii)前記活性炭が100~200ファラッド毎グラムの比静電容量を有することを特徴とする、請求項1に記載のスーパーキャパシタ。
- 導電性炭素が、グラフェン、単層カーボンナノチューブ、多層カーボンナノチューブ又はこれらの成分のいずれかの混合物から構成されることを特徴とする、請求項1又は2に記載のスーパーキャパシタ。
- (i)前記結合剤が導電性ポリマー及びエンジニアリングプラスチックを含むことを特徴とする、及び/又は(ii)前記結合剤がフッ化ポリマー又は高分子電解質を含むことを特徴とする、請求項1~3のいずれか一項に記載のスーパーキャパシタ。
- (i)前記電極シートが、0.4グラム毎cm3よりも大きい密度を有する、及び/又は(ii)前記自己支持スーパーキャパシタ電極が、100ファラッド毎グラムよりも大きい比静電容量を有することを特徴とする、請求項1~4のいずれか一項に記載のスーパーキャパシタ。
- 厚さが100~350マイクロメートルであることを特徴とする、請求項1~5のいずれか一項に記載のスーパーキャパシタ。
- (i)前記電極が非対称であり、厚さが異なる、又は(ii)前記電極が、擬似容量性添加剤を使用することによって非対称にされる、請求項1~6のいずれか一項に記載のスーパーキャパシタ。
- 前記結合剤が、(i)導電性ポリマーと、(ii)フッ化ポリマー、セルロース系材料、及び/又はエラストマーとの混合物を備える、請求項1~7のいずれか一項に記載のスーパーキャパシタ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17386014.9 | 2017-04-07 | ||
EP17386014 | 2017-04-07 | ||
GB1707364.4 | 2017-05-08 | ||
GB1707364.4A GB2561253B (en) | 2017-04-07 | 2017-05-08 | Self-supporting carbon electrode |
PCT/GB2018/050931 WO2018185497A1 (en) | 2017-04-07 | 2018-04-06 | Self-supporting carbon electrode |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2020516063A JP2020516063A (ja) | 2020-05-28 |
JP2020516063A5 JP2020516063A5 (ja) | 2021-05-06 |
JP7348439B2 true JP7348439B2 (ja) | 2023-09-21 |
Family
ID=58668828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019552890A Active JP7348439B2 (ja) | 2017-04-07 | 2018-04-06 | 自己支持炭素電極 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20210090820A1 (ja) |
EP (1) | EP3607570A1 (ja) |
JP (1) | JP7348439B2 (ja) |
KR (1) | KR102508972B1 (ja) |
CN (1) | CN110730996A (ja) |
GB (1) | GB2561253B (ja) |
TW (1) | TWI794221B (ja) |
WO (1) | WO2018185497A1 (ja) |
Citations (4)
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JP2003017370A (ja) | 2001-06-29 | 2003-01-17 | Masayuki Yoshio | キャパシター用塗布ペースト及び電気2重層キャパシタ電極 |
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JP2013030694A (ja) | 2011-07-29 | 2013-02-07 | Nichias Corp | 電気二重層キャパシタ用導電性シート |
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FR3016245B1 (fr) * | 2014-01-03 | 2021-07-16 | Commissariat Energie Atomique | Cellule electrochimique, systeme de stockage et de restitution d'energie electrique comprenant une telle cellule electrochimique et vehicule comprenant un tel systeme |
WO2016025532A1 (en) * | 2014-08-11 | 2016-02-18 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Aligned graphene-carbon nanotube porous carbon composite |
CN105304350A (zh) * | 2015-11-17 | 2016-02-03 | 南通绿业中试技术研究院有限公司 | 一种宽温度区间可滥用电容器及其制造方法 |
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JP2003017370A (ja) | 2001-06-29 | 2003-01-17 | Masayuki Yoshio | キャパシター用塗布ペースト及び電気2重層キャパシタ電極 |
US20110075324A1 (en) | 2008-06-04 | 2011-03-31 | Seeo, Inc | Supercapacitors with block copolymer electrolytes |
JP2013030694A (ja) | 2011-07-29 | 2013-02-07 | Nichias Corp | 電気二重層キャパシタ用導電性シート |
KR101484926B1 (ko) | 2012-05-21 | 2015-01-22 | (주) 퓨리켐 | 슈퍼커패시터 전극의 제조방법 |
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JP2020516063A (ja) | 2020-05-28 |
KR102508972B1 (ko) | 2023-03-13 |
GB2561253B (en) | 2022-10-12 |
EP3607570A1 (en) | 2020-02-12 |
KR20200028883A (ko) | 2020-03-17 |
GB2561253A (en) | 2018-10-10 |
TWI794221B (zh) | 2023-03-01 |
GB201707364D0 (en) | 2017-06-21 |
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