JP7190735B2 - グラフェンおよび酸化グラフェンを炭素リッチ天然材料を用いて量産するための低コストかつ迅速な方法 - Google Patents
グラフェンおよび酸化グラフェンを炭素リッチ天然材料を用いて量産するための低コストかつ迅速な方法 Download PDFInfo
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Description
Claims (16)
- グラフェンおよび酸化グラフェンの少なくとも1つを製造する方法であって:
固体状態の炭素リッチ材料を得る工程と;
前記炭素リッチ材料を塩基材料、溶媒、界面活性剤、および添加剤と混合して混合物を形成する工程と;
前記混合物をマイクロ波反応器に導く工程であって、前記マイクロ波反応器が前記混合物にマイクロ波放射を提供するように構成されている、工程と;
前記マイクロ波反応器中の前記混合物にマイクロ波放射を向け、グラフェンおよび酸化グラフェンの少なくとも1つを形成する工程と;
前記形成されたグラフェンおよび酸化グラフェンを溶媒から分離する工程と、を含み、
前記マイクロ波放射が、150W~3000Wの強度を有し、
前記混合物に前記マイクロ波放射を向けることが、約1秒間~60分間の間行われ、
前記炭素リッチ材料が、グラファイト、石炭スラグ、およびアスファルトの少なくとも1つである、
方法。 - 前記塩基材料が、水酸化ナトリウム、水酸化カリウム、重曹、重炭酸ナトリウム、尿素、水酸化アンモニウム、および6よりも高いpH値を維持しながら水に溶解することができる塩の少なくとも1つである、請求項1に記載の方法。
- 前記界面活性剤が、第4級アンモニウム塩、臭化セトリモニウム、ポリ(ジアリルジメチルアンモニウムクロライド)(PDDA)のような多原子カチオン、有機アンモニウムカチオン、イミニウム塩、およびポリスチレンスルホネートの少なくとも1つである、請求項1または2に記載の方法。
- 前記溶媒が、イミダゾリウム塩、ピリジニウム塩、1-ブチル-3-メチルイミダゾリウム(BMIM)系イオン性液体、1-エチル-3-メチルイミダゾリウム(EMIM)系イオン性液体、水、アルコール、アセトン、ケトン、ジメチルホルムアミド(DMF)、エチレングリコール(EG)、DMSO、ならびにそれらの共溶媒の少なくとも1つである、請求項1~3のいずれか1項に記載の方法。
- 前記添加剤が、アゾジカルボンアミド、低分子アミン、水酸化アンモニウム、尿素、金属酸化物、金属ナノ粒子、KMnO4、鉄酸カリウム、鉄酸ナトリウム、および過酸化物の少なくとも1つである、請求項1~4のいずれか1項に記載の方法。
- 前記混合工程が磨鉱-粉砕を含む、請求項1~5のいずれか1項に記載の方法。
- 前記混合工程が、超音波混合装置を用いて混合することを含み、前記超音波混合装置が、実質的に均一な懸濁液を有する混合物を生成する工程を含む、請求項1~6のいずれか1項に記載の方法。
- 前記混合工程の前に前記炭素リッチ材料を磨鉱する工程をさらに含む、請求項1~7のいずれか1項に記載の方法。
- 前記分離したグラフェンおよび酸化グラフェンを用いて炭素繊維を形成する工程をさらに含む、請求項1~8のいずれか1項に記載の方法。
- 前記マイクロ波放射が、約1500Wの強度を有する、請求項1~9のいずれか1項に記載の方法。
- 前記混合物に前記マイクロ波放射を向けることが、約30分間の間行われる、請求項1~10のいずれか1項に記載の方法。
- 前記形成されたグラフェンおよび酸化グラフェンを前記溶媒から分離する前記工程が、前記マイクロ波反応器から前記形成されたグラフェンおよび酸化グラフェンを水に排出することであって、前記水は前記形成されたグラフェンおよび酸化グラフェンが前記溶媒から分離することを可能にする、ことを含む、請求項1~11のいずれか1項に記載の方法。
- 前記混合物を形成する工程が、前記炭素リッチ材料を塩基材料、溶媒、界面活性剤、添加剤、ならびに水酸化アルミニウム、水酸化マグネシウム、リン酸、およびリン酸塩の少なくとも1つと混合して混合物を形成する工程である、請求項1~12のいずれか1項に記載の方法。
- 前記添加剤が、MgO、ZnO、Fe3O4、Co2O3、NiO、ZrO2、MoO2、WS2、およびAl2O3の少なくとも1つである、請求項1~4及び6~13のいずれか1項に記載の方法。
- 前記添加剤が、Niナノ粒子、Feナノ粒子、Coナノ粒子、Mgナノ粒子、Alナノ粒子、鋼合金ナノ粉末、およびPdナノ粒子の少なくとも1つである、請求項1~4及び6~13のいずれか1項に記載の方法。
- 前記グラフェンおよび酸化グラフェンの少なくとも1つが、導電性フィルム、グラフェンベースの炭素繊維、および電池電極の少なくとも1つに使用されるグラフェンおよび酸化グラフェンの少なくとも1つである、請求項1~15のいずれか1項に記載の方法。
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PCT/US2017/027445 WO2017180890A1 (en) | 2016-04-13 | 2017-04-13 | Low cost and fast method to massively produce graphene and graphene oxide with carbon-rich natural materials |
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CN109401349B (zh) * | 2018-11-26 | 2020-11-10 | 长沙理工大学 | 一种氧化石墨烯改性沥青及其制备方法 |
CN109850888A (zh) * | 2019-01-31 | 2019-06-07 | 西安科技大学 | 一种半焦分质联产多孔活性炭与类石墨烯气凝胶的方法 |
CN109928383B (zh) * | 2019-04-24 | 2022-01-04 | 大连理工大学 | 离子液体基皮克林乳液法制备石墨烯/多孔碳材料的制备方法 |
CN110040723B (zh) * | 2019-04-26 | 2022-06-10 | 辽宁烯旺石墨科技有限公司 | 一种利用离子溅射与激光复合技术制备石墨烯的方法 |
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JP2022035839A (ja) * | 2020-08-21 | 2022-03-04 | 日本ケミコン株式会社 | 導電性カーボン、この導電性カーボンの製造方法、及びこの導電性カーボンを用いた電極の製造方法 |
CN112162022A (zh) * | 2020-08-26 | 2021-01-01 | 中彦医疗科技有限责任公司 | 氧化石墨粉、修饰电极材料及其制备方法和应用 |
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