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Preparation method and application of graphene/carbon nanotube composite slurry
The invention discloses a preparation method and application of graphene/carbon nanotube composite slurry, and relates to the field of electrochemical sensing, and the preparation method comprises the following steps: S1, putting a multi-walled carbon nanotube into concentrated sulfuric acid, reacting, washing with deionized water to be neutral, and drying to obtain a carboxylated carbon nanotube; s2, adding the carboxylated carbon nanotube into thionyl chloride, stirring for reaction, washing with tetrahydrofuran, and drying to obtain an acyl chloride-based carbon nanotube; s3, mixing the following components: 4.0 to 6.0 percent of multi-walled carbon nanotubes, 0.2 to 1.0 percent of graphene nanoplatelets, 0.5 to 1.0 percent of a dispersing agent, 3.0 to 6.0 percent of melamine and the balance of NMP (N-Methyl Pyrrolidone); s4, adding the graphene oxide/carbon nanotube filter material into a diluted hydrochloric acid solution for pickling, filling nitrogen bubbles, uniformly stirring, filtering, drying, repeating for four times, mixing and dispersing the components in N-methyl pyrrolidone to improve the uniformity of the mixture, uniformly dispersing the carbon nanotubes and graphene microchips in NMP to reduce the possibility of agglomeration, and preparing the graphene/carbon nanotube composite filter material. And the agglomerated groups are scattered.
本申请公开了一种石墨烯/碳纳米管的复合浆料的制备方法及其应用，涉及电化学传感领域，包括S1、将多壁碳纳米管放入浓硫酸中，反应后，用去离子水洗涤至中性，干燥得到羧基化碳纳米管；S2、将羧基化碳纳米管加入氯化亚砜中，搅拌反应，用四氢呋喃冲洗，干燥得到酰氯基碳纳米管；S3、将以下组分混合：多壁碳纳米管4.0‑6.0％、石墨烯微片0.2‑1.0％、分散剂0.5‑1.0％、三聚氰胺3.0‑6.0％、余量为NMP；S4、将氧化石墨烯/碳纳米管滤材加入稀盐酸溶液酸洗并充入氮气气泡，搅拌均匀后过滤，干燥，并重复4次，将各组分在N‑甲基吡咯烷酮中混合并分散，提高混合物的均匀度，其中碳纳米管和石墨烯微片在NMP中均匀分散，降低团聚的可能，并将已经团聚的基团打散。
Preparation method and application of graphene/carbon nanotube composite slurry
The invention discloses a preparation method and application of graphene/carbon nanotube composite slurry, and relates to the field of electrochemical sensing, and the preparation method comprises the following steps: S1, putting a multi-walled carbon nanotube into concentrated sulfuric acid, reacting, washing with deionized water to be neutral, and drying to obtain a carboxylated carbon nanotube; s2, adding the carboxylated carbon nanotube into thionyl chloride, stirring for reaction, washing with tetrahydrofuran, and drying to obtain an acyl chloride-based carbon nanotube; s3, mixing the following components: 4.0 to 6.0 percent of multi-walled carbon nanotubes, 0.2 to 1.0 percent of graphene nanoplatelets, 0.5 to 1.0 percent of a dispersing agent, 3.0 to 6.0 percent of melamine and the balance of NMP (N-Methyl Pyrrolidone); s4, adding the graphene oxide/carbon nanotube filter material into a diluted hydrochloric acid solution for pickling, filling nitrogen bubbles, uniformly stirring, filtering, drying, repeating for four times, mixing and dispersing the components in N-methyl pyrrolidone to improve the uniformity of the mixture, uniformly dispersing the carbon nanotubes and graphene microchips in NMP to reduce the possibility of agglomeration, and preparing the graphene/carbon nanotube composite filter material. And the agglomerated groups are scattered.
本申请公开了一种石墨烯/碳纳米管的复合浆料的制备方法及其应用，涉及电化学传感领域，包括S1、将多壁碳纳米管放入浓硫酸中，反应后，用去离子水洗涤至中性，干燥得到羧基化碳纳米管；S2、将羧基化碳纳米管加入氯化亚砜中，搅拌反应，用四氢呋喃冲洗，干燥得到酰氯基碳纳米管；S3、将以下组分混合：多壁碳纳米管4.0‑6.0％、石墨烯微片0.2‑1.0％、分散剂0.5‑1.0％、三聚氰胺3.0‑6.0％、余量为NMP；S4、将氧化石墨烯/碳纳米管滤材加入稀盐酸溶液酸洗并充入氮气气泡，搅拌均匀后过滤，干燥，并重复4次，将各组分在N‑甲基吡咯烷酮中混合并分散，提高混合物的均匀度，其中碳纳米管和石墨烯微片在NMP中均匀分散，降低团聚的可能，并将已经团聚的基团打散。
Preparation method and application of graphene/carbon nanotube composite slurry
一种石墨烯/碳纳米管的复合浆料的制备方法及其应用
WANG JING (author) / WANG TANGQI (author) / TIAN LIUHU (author) / GUO JIAHU (author) / TAO YULUN (author) / LI YUFEI (author) / XU LIXIN (author)
2024-07-26
Patent
Electronic Resource
Chinese
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