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Resultados 93 resultados LastUpdate Última actualización 06/06/2023 [15:10:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 60 días (excluida automoción) / Applications published in the last 60 days (Automotion publications excluded)



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利用木质素制备核壳中空结构硅碳纳米负极材料的方法

NºPublicación: CN116199226A 02/06/2023

Solicitante:

东莞市和鸿升新材料科技有限公司

Resumen de: CN116199226A

本发明公开了利用木质素制备核壳中空结构硅碳纳米负极材料的方法,包括以下步骤:步骤一,材料结构设计;步骤二,配制木质素标准溶液;步骤三,制备第一复合颗粒物;步骤四,均匀分散第一复合颗粒物;步骤五,制备碳外层;步骤六,制备中空层;本发明通过在纳米硅内核与碳外层间设置中空层,能够为纳米硅内核提供膨胀空间,有效缓解了硅碳负极材料在充放电过程中因膨胀导致的容量衰减问题;本发明通过试验得出当纳米硅内核、金属沉淀物层和碳外层的重量份数比为10:1:1时,硅碳纳米负极材料的结构最为稳定,性能最优;本发明所提出的中空结构硅碳纳米负极材料制备方法具有操作简单、可控性好的优点,适于大批量生产。

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一种用于制备螺旋纳米碳纤维的催化剂及其应用

NºPublicación: CN116196954A 02/06/2023

Solicitante:

泸州职业技术学院

Resumen de: CN116196954A

本发明公开了一种用于制备螺旋纳米碳纤维的催化剂及其应用,以可溶性盐为催化剂,轮胎胶粉为碳源,采用化学气相沉积法制备螺旋纳米碳纤维。本发明以可溶性盐为催化剂,采用简单的水洗即可将残留在螺旋纳米碳纤中的催化剂除去,不会破坏产品的性能和结构,方法简单。

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一种碳纳米管提纯装置

NºPublicación: CN116196694A 02/06/2023

Solicitante:

青岛昊鑫新能源科技有限公司

Resumen de: CN116196694A

本发明涉及碳纳米管加工技术领域,具体提供了一种碳纳米管提纯装置,包括:原料溶解装置、离心机、絮凝分离装置、材料回收装置,所述离心机的进料口与原料溶解装置的出料口连通,所述离心机的清液出料口与絮凝分离装置的进料口连通,材料回收装置的进料口与絮凝分离装置的出料口连通。本装置采用将碳纳米管配置为混合溶液,经过离心机将杂质分离后添加反应剂使碳纳米管絮凝,再采用过滤的方式收集产品,收集效率较高,产品收集后的溶液可以旋蒸回收材料重复利用,降低了生产成本,适合大批量工业化生产。

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一种石墨烯负载纳米粒子的高通量激光合成方法及应用

NºPublicación: CN116199210A 02/06/2023

Solicitante:

西北工业大学

Resumen de: CN116199210A

本发明一种石墨烯负载纳米粒子的高通量激光合成方法及应用,属于纳米材料和电化学技术领域。所述合成方法包括以下步骤:S1:采用激光第一次划刻聚酰亚胺聚合物薄膜或聚乙烯亚胺聚合物薄膜进行原位转化,得到石墨烯基底;S2:随后滴加金属前驱体盐溶液至石墨烯基底,干燥处理后进行激光第二次划刻,得到石墨烯负载纳米粒子。所述石墨烯负载纳米粒子作为Li‑CO2电池的正极材料,其包括以下步骤:将石墨烯负载纳米粒子与粘结剂以质量比(8~9):(1~2)混合均匀,得到混合物;随后将NMP溶剂滴入混合物中进行研磨得到浆料;将浆料滴至碳纸上,进行干燥,得到Li‑CO2电池的正极。

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一种Pt-Ni@erGO电化学探针及其制备方法与应用

NºPublicación: CN116203095A 02/06/2023

Solicitante:

重庆奥体生物医学研究院有限公司

Resumen de: CN116203095A

本发明公开了一种Pt‑Ni@erGO电化学探针及其制备方法与应用,所述Pt‑Ni@erGO电化学探针包括erGO基体和负载在erGO基体上的Pt‑Ni纳米颗粒。本发明的Pt‑Ni@erGO电化学探针以erGO为基体,原位生长Pt‑Ni合金纳米颗粒,erGO同时表现出两种增强电化学检测灵敏度的功能,一是作为载体负载高密度Pt‑Ni合金纳米颗粒,降低生物识别元件对纳米酶催化位点的屏蔽作用,二是作为生物识别元件特异性结合大肠杆菌。通过erGO和Pt‑Ni纳米颗粒的合理组合,得到的Pt‑Ni@erGO具有较高的类抗体活性和电催化活性。

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一种导电纳米碳球的制备及在扫描电镜中的校准应用

NºPublicación: CN116199208A 02/06/2023

Solicitante:

四川大学

Resumen de: CN116199208A

本发明专利公开了一种导电纳米碳球的制备及在扫描电镜中的校准应用。本发明专利包括:一是提供一种导电纳米碳球的制备方法,二是提供上述导电纳米碳球在扫描电镜校准方面的应用。本发明专利利用多巴胺的氧化‑自聚合在所制备的球形二氧化硅表面形成致密的聚多巴胺层,通过后续热处理的方式来制备导电纳米碳球。制备步骤简洁,成本较低,重复稳定性较好,能够实现在实验室层面上的大范围批量制备。此外,所制备的纳米碳球导电性良好,球形粒径分布均匀,在高真空以及强电子束的轰击下,能够保持高分辨率成像。可用于扫描电镜在低、中、高放大倍数以及加速电压下的实验室校准。

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一种同位素标记的碳量子点及其制备方法

NºPublicación: CN116200192A 02/06/2023

Solicitante:

广东工业大学

Resumen de: CN116200192A

本发明涉及碳量子点材料技术领域,特别涉及一种同位素标记的碳量子点及其制备方法。本发明实施例公开了一种同位素标记的碳量子点制备方法,包括:将前体A和前体B溶于水中,混合均匀,然后进行加热反应,得到同位素标记的碳量子点水溶液,将同位素标记的碳量子点水溶液进行纯化、干燥得到同位素标记的碳量子点,前体A选自柠檬酸、水杨酸、葡萄糖和聚乙二醇中的一种或多种,前体B选自乙二胺、乙胺、丙胺、丁二胺、正己胺、对苯二胺和尿素中的一种或多种,前体A和/或前体B具有同位素标记;本方案首创通过一步法合成了同位素标记的碳量子点,保留碳量子点原有特性的同时,使碳量子点上标记稳定同位素,工艺简易方便,合成产率高。

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ELECTROSPUN NANOFIBROUS POLYMER MEMBRANE FOR USE IN AIR FILTRATION APPLICATIONS

NºPublicación: US2023167591A1 01/06/2023

Solicitante:

MATREGENIX INC [US]

Resumen de: US2023167591A1

An electrospun polymer nanofibrous membrane that provides high filtering efficiency and excellent porosity is disclosed herein. The membrane may be treated with one or more antimicrobial or antiviral agents. The treatment may preferably be a coating of one or more antiviral agents on the surface of the membrane. Alternatively, one or more antiviral agents may be impregnated into the membrane. The membrane may additionally or alternatively be impregnated with one or more metal-organic frameworks (MOFs). The membrane has a high filtering efficiency and sufficient porosity to provide breathability characteristics. In some embodiments, the membrane is suitable for use in making facemasks and respirators that are highly resistant to infectious pathogens and/or other small particulates. In some embodiments, the membrane is suitable for use in HVAC applications. In some embodiments, the membrane is suitable for use in removal of VOCs and CO2 in conjunction with a carbon nanofiber membrane.

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LITHIUM ION BATTERY USING HIGH SURFACE AREA NANOTUBES

NºPublicación: US2023166974A1 01/06/2023

Solicitante:

MOLECULAR REBAR DESIGN LLC [US]

US_2020369522_A1

Resumen de: US2023166974A1

High-surface area carbon nanotubes having targeted, or selective, oxidation levels and/or content on the interior and exterior of the tube walls are claimed. Such carbon nanotubes can have little to no inner tube surface oxidation, or differing amounts and/or types of oxidation between the tubes' inner and outer surfaces. Additionally, such high-surface area carbon nanotubes may have greater lengths and diameters, creating useful mechanical, electrical, and thermal properties.

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Carbon Nanotube Dispersion Paste, Method for Manufacturing Carbon Nanotube Dispersion Paste, Quality Control Method for Carbon Nanotube Dispersion Paste, Composite Material Paste, Electrode for Lithium-Ion Battery Positive Electrode, and Lithium-Ion Battery

NºPublicación: US2023170485A1 01/06/2023

Solicitante:

KANSAI PAINT CO LTD [JP]

Resumen de: US2023170485A1

A carbon nanotube dispersion paste includes carbon nanotubes (B), and an organic solvent (C), in which a content of the carbon nanotubes (B) is 1% to 10% by mass with respect to a total mass of the carbon nanotube dispersion paste, and, in a Bode plot obtained by impedance measurement, in which a reactance is plotted on a vertical axis and a frequency is plotted on a horizontal axis, a local minimum value of the reactance is in a frequency range of 50 to 250 kHz.

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ELECTROLYSIS METHODS THAT UTILIZE CARBON DIOXIDE AND A NON-IRON ADDITIVE FOR MAKING DESIRED NANOCARBON ALLOTROPES

NºPublicación: WO2023096994A2 01/06/2023

Solicitante:

C2CNT LLC [US]

US_2023160078_PA

Resumen de: WO2023096994A2

The embodiments of the present disclosure relate to a method and apparatus for producing a carbon nanomaterial product (CNM) product that may comprise carbon nanotubes and various other allotropes of nanocarbon. The method and apparatus employ a consumable carbon dioxide (CO2) and a renewable carbonate electrolyte as reactants in an electrolysis reaction in order to make CNTs. In some embodiments of the present disclosure, operational conditions of the electrolysis reaction may be varied in order to produce the CNM product with a greater incidence of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.

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ELECTROLYSIS METHODS THAT UTILIZE CARBON DIOXIDE FOR MAKING COATED NANOCARBON ALLOTROPES

NºPublicación: WO2023096998A2 01/06/2023

Solicitante:

C2CNT LLC [US]

US_2023160078_PA

Resumen de: WO2023096998A2

The embodiments of the present disclosure relate to a method and apparatus for producing a carbon nanomaterial product (CNM) product that may comprise carbon nanotubes and various other allotropes of nanocarbon. The method and apparatus employ a consumable carbon dioxide (CO2) and a renewable carbonate electrolyte as reactants in an electrolysis reaction in order to make CNTs. In some embodiments of the present disclosure, operational conditions of the electrolysis reaction may be varied in order to produce the CNM product with a greater incidence of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.

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ELECTROLYSIS METHODS THAT UTILIZE CARBON DIOXIDE FOR MAKING NANOCARBON ALLOTROPES OF NANO-DRAGONS AND NANO-BELTS

NºPublicación: WO2023096986A2 01/06/2023

Solicitante:

C2CNT LLC [US]

US_2023160078_PA

Resumen de: WO2023096986A2

The embodiments of the present disclosure relate to a method and apparatus for producing a carbon nanomaterial product (CNM) product that may comprise carbon nanotubes and various other allotropes of nanocarbon. The method and apparatus employ a consumable carbon dioxide (CO2) and a renewable carbonate electrolyte as reactants in an electrolysis reaction in order to make CNTs. In some embodiments of the present disclosure, operational conditions of the electrolysis reaction may be varied in order to produce the CNM product with a greater incidence of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.

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ELECTROLYSIS METHODS THAT UTILIZE CARBON DIOXIDE AND A HIGH NICKEL-CONTENT ANODE FOR MAKING DESIRED NANOCARBON ALLOTROPES

NºPublicación: WO2023096982A2 01/06/2023

Solicitante:

C2CNT LLC [US]

US_2023160078_PA

Resumen de: WO2023096982A2

The embodiments of the present disclosure relate to a method and apparatus for producing a carbon nanomaterial product (CNM) product that may comprise carbon nanotubes and various other allotropes of nanocarbon. The method and apparatus employ a consumable carbon dioxide (CO2) and a renewable carbonate electrolyte as reactants in an electrolysis reaction in order to make CNTs. In some embodiments of the present disclosure, operational conditions of the electrolysis reaction may be varied in order to produce the CNM product with a greater incidence of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.

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ELECTROLYSIS METHODS THAT UTILIZE CARBON DIOXIDE FOR MAKING A MACRO-ASSEMBLY OF NANOCARBON

NºPublicación: WO2023096984A2 01/06/2023

Solicitante:

C2CNT LLC [US]

US_2023160078_PA

Resumen de: WO2023096984A2

The embodiments of the present disclosure relate to a method and apparatus for producing a carbon nanomaterial product (CNM) product that may comprise carbon nanotubes and various other allotropes of nanocarbon. The method and apparatus employ a consumable carbon dioxide (CO2) and a renewable carbonate electrolyte as reactants in an electrolysis reaction in order to make CNTs. In some embodiments of the present disclosure, operational conditions of the electrolysis reaction may be varied in order to produce the CNM product with a greater incidence of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.

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PROCESS FOR OBTAINING POLYAMIDE MEMBRANE WITH NANOSTRUCTURED COATING, MEMBRANES AND USE

NºPublicación: US2023166215A1 01/06/2023

Solicitante:

PETROLEO BRASILEIRO SA PETROBRAS [BR]
UNIV FEDERAL DE MINAS GERAIS UFMG [BR]

Resumen de: US2023166215A1

The present invention refers to a surface coating of commercial polyamide (PA) membranes with graphene oxide (GO) using a technology that involves spin-coating with specific sequence of low and high rotation, interface phenomena provided by a set of materials containing ethyl alcohol in high concentration, as well as morphological characteristics and customized surface chemistry of GO, among other conditions that allow a differentiated technology to obtain an effective coating of GO on PA membrane.

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CARBON SHEET

NºPublicación: JP2023076550A 01/06/2023

Solicitante:

日本ゼオン株式会社

Resumen de: WO2019065910A1

The purpose of the present invention is to provide a material which is excellent in terms of handleability and processability and which, when used as a support for a different material, enables the different material to be fixed even to inner portions thereof. The carbon sheet of the present invention is characterized by including carbon nanotubes and having a porosity of 5-90%. It is preferable that the carbon sheet of the present invention comprise a porous base constituted of carbon and the carbon nanotubes adherent to the porous base. The carbon nanotubes included in the carbon sheet are preferably single-layer carbon nanotubes. It is preferable that the carbon nanotubes included in the carbon sheet have a nitrogen-adsorption specific surface area of 600 m2/g or greater.

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METALLIC SINGLE-WALLED CARBON NANOTUBE HYBRID ASSEMBLIES AND SUPERSTRUCTURES

NºPublicación: WO2023097120A1 01/06/2023

Solicitante:

UNIV DUKE [US]

Resumen de: WO2023097120A1

A metallic single-walled carbon nanotube (SWNT) hybrid assembly or superstructure includes a single walled carbon nanotube (SWNT) having a chiral index (n, m) where (n-m)/3 is an integer or 0; and an oligomer or polymer that single-chain wraps the metallic SWNT, wherein the oligomer or polymer is formed of repeat units, wherein each repeat unit has at least one charged functional group per 1-3 nm of oligomer or polymer length. The superstructure is suitable for optical, electro-optical, and spintronic-based device applications.

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CONDUCTIVE MATERIAL DISPERSION, AND ELECTRODE AND LITHIUM SECONDARY BATTERY MANUFACTURED USING THE SAME

NºPublicación: EP4187649A1 31/05/2023

Solicitante:

LG ENERGY SOLUTION LTD [KR]

Resumen de: EP4187649A1

The present invention relates to a conductive material dispersion including a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one of a styrene unit and an alkylene unit.

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一种CoRu@C-N电催化剂及其制备方法

NºPublicación: CN116180125A 30/05/2023

Solicitante:

陕西科技大学

Resumen de: CN116180125A

本发明涉及电催化剂领域,具体涉及一种CoRu@C‑N电催化剂及其制备方法,该制备方法具体包括以下步骤:(1)通过液‑液界面沉淀法制备多羟基富勒烯;(2)通过水热法制备CoRu@C‑N前驱体;(3)通过对CoRu@C‑N前驱体进行热处理制备CoRu@C‑N电催化剂。用该法制得的CoRu@C‑N电催化剂中,钴、钌以合金的形式存在,该制备方法操作简单,易控制得到目标产物,通过该法制备的CoRu@C‑N电催化剂,形貌完整均匀、对HER的催化性能较好,在10电流密度的过电位可达17.4mV。

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一种轻质高强铝合金超高压输电线路绝缘操作杆工作头的制备方法

NºPublicación: CN116179885A 30/05/2023

Solicitante:

国网浙江省电力有限公司湖州供电公司

Resumen de: CN116179885A

本发明涉及超高压电设备技术领域,公开了一种轻质高强铝合金超高压输电线路绝缘操作杆工作头的制备方法;该方法包括以下步骤:(1)将碳纳米管热处理后制成热处理碳纳米管,将热处理碳纳米管酸处理制成纯化碳纳米管;(2)将石英砂与焦炭焙烧制成碳化硅粗品将碳化硅粗品,再将碳化硅粗品进行纯化处理制成纯化碳化硅;(3)将纯化碳纳米管、纯化碳化硅以及与铝粉球磨处理制成碳纳米管‑碳化硅‑铝复合材料;(4)将碳纳米管‑碳化硅‑铝复合材料进行电磁搅拌熔炼处理制成碳硅铝合金;(5)将碳硅铝合金煅铸制成轻质高强铝合金超高压输电线路绝缘操作杆工作头;该方法工艺简单、设备简单、成本低且制得绝缘操作杆工作头机械强度显著提高。

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一种双碳策略优化的二硒化铁的制备方法和应用

NºPublicación: CN116177499A 30/05/2023

Solicitante:

哈尔滨工业大学安瑞创新(深圳)科技有限公司

Resumen de: CN116177499A

一种双碳策略优化的二硒化铁的制备方法和应用,它涉及一种二硒化铁的制备方法和应用。本发明的目的是要解决二硒化铁在反应过程中不可避免的体积变化导致的结构不稳定和材料内部较差的导电性致使储钠性能不能完全发挥的问题。方法:将硫酸亚铁铵和有机碳源加入到碳纳米管的分散液中,搅拌并超声波分散均匀,再加入硒粉和水合肼,再水热反应,得到双碳策略优化的二硒化铁。一种双碳策略优化的二硒化铁用于制备钠离子电池负极材料。本发明制备的双碳策略优化的二硒化铁用作钠离子电池负极时,能够展现出更好的倍率性能和循环稳定性。本发明可获得一种双碳策略优化的二硒化铁。

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一种芳纶纳米纤维包覆石墨纳米复合薄膜及其制备方法

NºPublicación: CN116178760A 30/05/2023

Solicitante:

西安交通大学

Resumen de: CN116178760A

本发明公开了一种芳纶纳米纤维包覆石墨纳米复合薄膜及其制备方法,该该薄膜是由芳纶纳米纤维包覆石墨纳米片,层层堆叠形成的层状有序纳米复合薄膜;首先将芳纶纳米纤维和石墨片混合加入溶剂,然后通过机械处理混合液,芳纶纳米纤维对石墨进行剥离和分散,通过氢键和π‑π键作用包覆于石墨纳米片表面的芳纶纳米纤维由于负电荷的排斥进而形成均质的悬浮液,最后采用高温浓缩、刮涂、热压的方式得到芳纶纳米纤维包覆石墨纳米复合薄膜。该方法操作简单,克服了传统纳米片制备过程复杂且需要二次功能化来分散的问题。由该方法制备的薄膜具有优异的结构稳定性,具有长时间的离子加速传输稳定性同时具有优异的极端环境适应性,并且具有突出的绝缘性和导热性能。

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一种双壳ZIF-8衍生的氮氧共掺杂碳纳米颗粒及其制备方法与应用

NºPublicación: CN116177534A 30/05/2023

Solicitante:

山东省科学院新材料研究所

Resumen de: CN116177534A

本发明公开了一种双壳ZIF‑8衍生的氮氧共掺杂碳纳米颗粒的制备方法,所述方法包括:合成ZIF‑8、ZIF‑8表面修饰PVP、单宁酸的刻蚀、高温煅烧。本发明制备得到的NO‑C材料通过均匀分布的氮氧官能团提供“嗜钠”位点,有效降低了沉积点位。同时,NO‑C材料的大比表面积可以有效降低局部电流密度,为钠的均匀沉积提供丰富的位点。另外,NO‑C的双壳层结构可以有效缓冲循环过程中的体积变化,使其具有稳定性高、可长期重复使用等优点。

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一种磷硫共掺杂锑基碳纳米材料及其制备方法、应用

Nº publicación: CN116177531A 30/05/2023

Solicitante:

青岛科技大学

Resumen de: CN116177531A

本发明属于纳米材料技术领域,尤其涉及一种磷硫共掺杂锑基碳纳米材料及其制备方法、应用。该制备方法为将硫化锑和硫粉加入到三乙胺溶液中,进行水热反应;干燥制得前驱体;将前驱体置于瓷舟中,次磷酸二氢钠置于另一瓷舟中,将两个瓷舟包覆一起煅烧,结束后降温即可。本发明将锑金属纳米颗粒负载于磷硫共掺杂的碳纳米材料上,成本低,为多孔碳材料在储能材料等电化学能源领域的产业化应用提供了理论支撑和技术支持。

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