Alerta

A METHOD OF PRODUCING CARBON MATERIALS FROM FEEDSTOCK GASES

Absstract of: WO2025133287A1

A method of producing carbon materials from one or more carbon- containing feedstock gases by melting one or more electrolytes inside a reactor chamber, adding from 0.03 wt% to 2 wt% catalyst of the total electrolyte mass at a dosage rate from 16.7 ppm hour-1 to 1100 ppm hour-1, providing one or more feedstock gases into the molten electrolyte in the reactor chamber with a flow rate comprising at least 4.2 standard cm3 min-1 A-1 mass equivalent of CO2, and applying a direct current density in the range from 100 A m-2 up to 20 000 A m-2 to one or more anodes and one or more cathodes.

PREPARATION METHOD FOR NANO LITHIUM IRON PHOSPHATE AND APPLICATION THEREOF

Absstract of: WO2025129503A1

The present disclosure relates to the technical field of lithium-ion battery positive electrode materials. Disclosed are a preparation method for nano lithium iron phosphate and an application thereof. The method comprises: dispersing iron phosphate in an alcohol solvent, and performing ultrasonic treatment to obtain a suspension A; performing laser treatment on the suspension A, stirring the suspension A during the laser treatment, adding a lithium source and a carbon source into the suspension A having undergone laser treatment, and mixing same to obtain a suspension B; and performing spray drying on the suspension B to obtain dried powder, and sintering the dried powder in an inert atmosphere to obtain nano lithium iron phosphate.

PREPARATION OF SCREEN-PRINTED ELECTRODES MODIFIED WITH OXIDIZED SWCNT DECORATED WITH GRAPHENE QD

Absstract of: EP4574756A1

The process for the preparation of screen-printed carbon electrodes modified with oxidized single-walled carbon nanotubes (SWNTs) and decorated with graphene quantum dots for applications in the field of electrochemical sensor involves: i) interaction of SWNTs with a solution of HNO₃ and HCl in order to functionalize the single-walled carbon nanotubes with carboxyl groups (SWNT-COOH); ii) annealing treatment in air at 100 °C of SWNT-COOH to obtain graphene quantum dots containing carboxyl functional groups (GQD-COOH); iii) interaction of GQD-COOH with cysteamine when GQD containing thiol groups are obtained (GQD-SH) (iv) the interaction of SWNTs with aqueous solution of KMnO₄ and H₂SO₄, when "oxidized SWNTs" containing SWNTs having epoxy groups (labelled as SWNTO), hydroxyl groups (labelled as SWNT-OH) and carboxyl groups (labelled as SWNT-COOH) are obtained; and v) the deposition by the drop casting method on the surface of the screen-printed carbon electrode (SPCE) of oxidized SWNTs which are interacted with 1-ethyl-3-(3-dimethyl)aminopropyl carbodiimide (EDC) and successively with GQD-SH in order to decorate the "oxidized SWNTs" with GQD-SH.

A METHOD OF PRODUCING CARBON MATERIALS FROM FEEDSTOCK GASES

Absstract of: EP4574755A1

A method of producing carbon materials from one or more carbon-containing feedstock gases by melting one or more electrolytes inside a reactor chamber, adding from 0.03 wt% to 0.5 wt% catalyst of the total electrolyte mass at a dosage rate from 16.7 ppm hour^-1 to 277.8 ppm hour^-1, providing one or more feedstock gases into the molten electrolyte in the reactor chamber with a flow rate comprising at least 4.2 standard cm³ min^-1 A^-1 mass equivalent of CO₂, and applying a direct current density in the range from 100 A m^-2 up to 20 000 A m^-2 to one or more anodes and one or more cathodes.

CARBON NANOTUBE DISPERSION, METHOD OF PREPARING THE SAME, AND ELECTRODE SLURRY COMPOSITION AND SECONDARY BATTERY INCLUDING CARBON NANOTUBE DISPERSION

Absstract of: EP4574758A1

The present invention provides a carbon nanotube dispersion, a method of preparing the same, an electrode slurry composition and secondary battery including the carbon nanotube dispersion, wherein the carbon nanotube dispersion includes carbon nanotubes, the first dispersant surrounding the surface of the carbon nanotubes, the second dispersant for introducing charges to the surface of the carbon nanotubes, and a storage stabilizer having electrostatic repulsion against the charges.

NONAQUEOUS CARBON NANOTUBE DISPERSION LIQUID

Absstract of: EP4574757A1

A nonaqueous carbon nanotube dispersion liquid includes carbon nanotubes (10) with an average fiber length of 100 µm or more, a nonaqueous solvent, and a dispersant (20) that is soluble in the nonaqueous solvent and has a weight-average molecular weight of 70000 or more. A content of the dispersant (20) is 10 parts by mass or more and 500 parts by mass or less relative to 100 parts by mass of the carbon nanotubes (10).

CARBON NANOTUBE DISPERSION LIQUID

Absstract of: EP4574759A1

A carbon nanotube dispersion liquid includes carbon nanotubes (10) with an average fiber length of 10 µm or more, an aqueous solvent, and a dispersant (20) that is soluble in the aqueous solvent and has a weight-average molecular weight of 600000 or more. A content of the dispersant (20) is 10 parts by mass or more and 500 parts by mass or less relative to 100 parts by mass of the carbon nanotubes (10).

CARBON NANOTUBE DISPERSION, METHOD OF PREPARING THE SAME, AND ELECTRODE SLURRY COMPOSITION AND SECONDARY BATTERY INCLUDING CARBON NANOTUBE DISPERSION

Absstract of: EP4574760A1

The present invention provides a carbon nanotube dispersion including carbon nanotubes; a first dispersant including a nonionic polymer having a weight average molecular weight of 4,000 g/mol to 30,000 g/mol; and a second dispersant including an anionic polymer having a sulfonic acid (salt) group, wherein a weight ratio of the first dispersant to the second dispersant is 5:1 to 1:5; a method of preparing the carbon nanotube dispersion; and an electrode slurry composition and secondary battery including the carbon nanotube dispersion.

一种低成本高抗氧化活性液态碳点包装材料的制作方法及其应用

Absstract of: CN120188824A

本发明的一种低成本高抗氧化活性液态碳点包装材料的制作方法，首先收集新鲜葡萄皮、葡萄籽将其清洗、烘干、粉碎、过筛得到葡萄皮籽粉；然后将葡萄皮籽粉与去离子水混合，并进行超声处理，得到碳点前体溶液；将碳点前体溶液，进行高温高压水热处理，得到碳点溶液；再将所得的碳点溶液离心，获得的上清液冷冻干燥，得到碳点粉末；最后将明胶、甘油溶于蒸馏水中，再将碳点粉末溶于上述混合物中，得到液态碳点。利用葡萄生产加工的副产物通过水热合成法合成绿色、环保、高效的液态碳点，并将其应用到糙米等杂粮中，延长贮藏期的同时提高其口感，拓宽其在食品包材中的应用，具有极大可行性。

一种基于静电纺丝硅碳负极材料及其制备方法及应用

Absstract of: CN120191938A

本发明公开了一种基于静电纺丝的硅碳自支撑柔性负极材料的制备方法及其在锂离子电池中的应用。所述制备方法可使亚硅颗粒在碳纳米纤维材料中原位生成，且包覆效果良好，具有较好的柔韧性，可直接作为锂离子电池负极材料来提高锂离子电池的电化学性能。

一种大厚度、大密度、高纯度垂直碳纳米管阵列热界面材料的制备方法

Absstract of: CN120193245A

本发明提供一种大厚度、大密度、高纯度垂直碳纳米管阵列热界面材料的制备方法，涉及垂直碳纳米管阵列热界面材料技术领域，包括以下步骤：以C2H4为碳前驱体，He为惰性保护气，Ar/H2为还原气体，Al2O3为过渡层，Fe为催化剂层进行配料；利用电子束蒸镀法，将Al2O3和Fe在Si基底上进行沉积，得到基底材料；将制备的基底材料清洗后烘干；将清洗后的基底放置于管式炉的石英舟内，在He气保护作用下，将炉温升至550‑600℃，同时阶梯式通入Ar/H2，继续升温至750‑800℃，通入C2H4进行垂直碳纳米管阵列的生长，得到所述大厚度、大密度、高纯度垂直碳纳米管阵列。本发明避免了低浓度催化剂带来的低矮型垂直碳纳米管阵列和无定形碳结构，因此能制备大厚度高纯度的垂直碳纳米管阵列薄膜材料。

一种具有抗衰老并能够快速检测pH和进行细胞荧光成像的吴茱萸提取物碳点的制备方法和应用

Absstract of: CN120189366A

一种具有抗衰老并能够快速检测pH和进行细胞荧光成像的吴茱萸提取物碳点的制备方法和应用，它涉及碳点领域，本发明采用一步水热合成法制备吴茱萸提取物碳点。所述的吴茱萸提取物碳点用于制备抗衰老的药物。用于制备检测pH的制剂，或制备细胞荧光成像的试剂。本发明以吴茱萸提取物为碳源，采用绿色简便的一步水热法合成了超小尺寸的吴茱萸提取物碳纳米点。吴茱萸提取物碳点粒径分布均匀，表面基团丰富，具有良好的水溶性和生物相容性，能够通过抗氧化和抑制黑色素合成的作用，实现高效皮肤美白和抗衰老的目的；同时因为碳点的荧光特性，可以作为荧光探针，快速检测pH，并且能够进入细胞，进行细胞荧光成像。

一种复合碳材料、硅碳复合材料、电化学装置和电子装置

Absstract of: CN120199818A

本申请提供了一种复合碳材料、硅碳复合材料、电化学装置和电子装置，复合碳材料包括金属颗粒和多孔碳基体，金属颗粒的颗粒尺寸为1nm至8nm；基于复合碳材料的质量，金属颗粒的质量百分含量为0.1％至10％。本申请的电化学装置具有良好的循环性能、倍率性能和安全性能。

一种低成本的多孔碳核壳纳米球及其制备和应用

Absstract of: CN120199798A

本发明涉及一种低成本的多孔碳核壳纳米球及其制备和应用，将碱催化剂、碳前驱物和二氧化硅前驱物溶解在有机溶剂/水混合溶液中；碳前驱物和二氧化硅前驱物在碱催化作用下水解聚合，相分离沉淀形成二氧化硅@高分子核壳纳米球；然后高温碳化形成二氧化硅@碳核壳纳米球；进一步刻蚀处理，得到多孔碳纳米球。本发明制得的多孔碳核壳纳米球尺寸为100‑2000nm，比表面积为500‑2000m2/g，碳含量为95‑99wt％。本发明原料易得，方法简单，成本低。

A FILTER ATTACHED TO A SUPPORT

Absstract of: FI20236428A1

A filter transmitting electromagnetic radiation with a wavelength range of up to 400 nm, and being attached to a support is disclosed. The filter comprises: a freestanding film of carbon nanostructures having a patterned mesh; and a coating of carbon nanostructures on the free-standing film of carbon nanostructures. Further is disclose a method for producing the filter, uses thereof, and an X-ray detector.

Method of mechanical-thermal forming of three-dimensional forms made of carbon nanotubes on a substrate

Absstract of: PL447233A1

Przedstawiony na rysunku sposób mechaniczno-termicznego formowania na podłożu form przestrzennych z nanorurek węglowych, znajdujący zastosowanie w mikrosystemach MEMS, w szczególności do produkcji polowych emiterów elektronów, w którym używa się roztworu zawierającego nanorurki węglowe i w którym pojedynczą formę z nanorurek węglowych kształtuje się przy użyciu mikroigły, charakteryzuje się tym, że na mikroigłę nabiera się roztwór z nanorurkami węglowymi, który ma postać hydrożelu, w którym jako substancję żelującą stosuje się polimer, który pod wpływem temperatury tworzy gęsto usieciowiony duromer, kolejno nabrany na mikroigłę roztwór z nanorurkami węglowymi przytyka się do gorącego podłoża tak, aby wytwarzany z kompozyt nanorurek węglowych i polimeru do niego przywarł. Zaraz po dotknięciu do gorącego podłoża mikroigłę od podłoża odsuwa się z prędkością, przy której następuje usieciowienie w formie szpicowatych struktur, ciągnionego od podłoża mikroigłą, kompozytu z nanorurek węglowych z polimerem. Po osiągnięciu pożądanej smukłości oraz długości utworzonej na podłożu szpicy z kompozytu duromeru oraz nanorurek, dynamicznym wycofaniem mikroigły zrywa się połączenie przywartej do podłoża szpicy z resztą pozostałego na mikroigle roztworu.

一种碳包覆的三相金属有机框架衍生异质结纳米复合材料制备方法及系统

Absstract of: CN120172360A

本发明属于纳米复合材料领域，公开了一种碳包覆的三相金属有机框架衍生异质结纳米复合材料制备方法及系统。针对目前非理想配比的铜硒化物导电性差的问题，本发明对非理想配比的铜硒化物进行改性，构建具有异质结结构和金属有机框架结构的前驱体，将其在惰性气氛下对前驱体进行高温热解制得碳包覆的三相金属有机框架硒化物异质结纳米复合材料。该方法解决了目前制备碳包覆的三相金属有机框架衍生异质结纳米复合材料条件复杂苛刻，成本高且难于大规模生产的问题。本发明的制备方法具有制备工艺简单，合成周期短，重复性好，产率高，易于实现工业化生产等优势，同时兼具电化学性能优越的特性，从而在电池储能领域具有非常广阔的应用前景。

多孔碳材料、硅基复合材料及制备方法、负极和二次电池

Absstract of: CN120184243A

本发明提供了一种多孔碳材料、硅基复合材料及制备方法、负极和二次电池，具体涉及二次电池技术领域。所述多孔碳材料包含纳米碳点微晶；所述纳米碳点微晶的尺寸为2～8nm。所述纳米碳点微晶包括石墨烯量子点微晶；所述多孔碳材料包含无定形连续区域，所述纳米碳点微晶分散在所述无定形连续区域中；所述多孔碳材料的比表面积为200～3000m2/g，孔容为0.2～3.0cm3/g。本发明提供的多孔碳材料，其中包含2～8nm的碳点微晶，提高了多孔碳材料的导电性和导离子性，避免了硅碳之间的接触不良，提高了硅碳的接触性能，提高了硅基复合材料的倍率性能和循环稳定性；进而提高了二次电池的容量稳定性和库仑效率。

一种碳量子点包覆的镍铁锰基钠电正极材料及其制备方法与应用

Absstract of: CN120184246A

本发明公开了一种碳量子点包覆的镍铁锰基钠电正极材料及其制备方法与应用。所述铁锰基钠电正极材料复合材料包括内核以及包覆所述内核的包覆层；内核为镍铁锰基钠电正极材料，其结构为单晶块状颗粒结构；包覆层为碳量子点。本发明利用碳量子点包覆镍铁锰基钠电正极材料，可以将镍铁锰基钠电正极材料的倍率性能提高，循环性能变好，同时还起到了很好地隔离镍铁锰基钠电正极材料和电解液的副反应，有利于镍铁锰基钠电正极材料保持其结构稳定性，从而使该复合材料具有超高的倍率性能及循环稳定性，可用作钠离子电池正极材料。

碳纳米管分散液、其制备方法、包含其的电极浆料组合物以及二次电池

Absstract of: US2025197224A1

The present invention provides a carbon nanotube dispersion including carbon nanotubes; a first dispersant including a nonionic polymer having a weight average molecular weight of 4,000 g/mol to 30,000 g/mol; and a second dispersant including an anionic polymer having a sulfonic acid (salt) group, wherein a weight ratio of the first dispersant to the second dispersant is 5:1 to 1:5; a method of preparing the carbon nanotube dispersion; and an electrode slurry composition and secondary battery including the carbon nanotube dispersion.

一种混合排列碳纳米管及其制备方法和应用

Absstract of: CN120172392A

本发明属于纳米材料制备相关技术领域，公开了一种混合排列碳纳米管及其制备方法和应用，制备方法包括以下步骤：S1：在Si基底或SiO2基底上依次沉积Al2O3缓冲层和Fe催化剂层，然后进行氩等离子体刻蚀；S2：将基底进行第一步退火，冷却后暴露在含氧气氛下使Fe氧化；S3：将基底进行第二步退火，然后向反应腔室内通入H2、Ar和C2H4，通过水份辅助化学气相沉积即可在基底上生长得到混合排列碳纳米管。本发明通过对制备方法的工艺进行改进，得到的产物为混合排列碳纳米管，相较于水平或垂直定向的单一取向排列的碳纳米管阵列，具有垂直定向通道，且具有多级孔结构，应用于储能器件时具有更优的性能。

碳纳米管分散体及制备方法、电极浆料组合物、二次电池

Absstract of: US2025201856A1

The embodiments of the present disclosure provide a carbon nanotube dispersion, a method of preparing the same, an electrode slurry composition and secondary battery including the carbon nanotube dispersion, wherein the carbon nanotube dispersion includes carbon nanotubes, the first dispersant surrounding the surface of the carbon nanotubes, the second dispersant for introducing charges to the surface of the carbon nanotubes, and a storage stabilizer having electrostatic repulsion against the charges.

一种碳载铂基合金纳米双功能电催化剂的制备方法

Absstract of: CN120184269A

本发明属于电化学催化技术领域，公开了一种碳载铂基合金纳米双功能电催化剂的制备方法；首先通过水下电弧放电法在甲苯中制备高缺陷石墨烯纳米球，利用搅拌将Pt源与Fe、Co、Ni等过渡金属源、表面活性剂、石墨烯纳米球均匀分散于N,N‑二甲基甲酰胺溶液中，在微波反应釜中反应一定时间，得到碳载铂基合金纳米催化剂；本发明通过微波作用使铂元素与过渡金属元素还原成有序金属间合金化合物纳米颗粒，且尺寸均一；在碱性氧还原反应和全pH析氢反应中具有优异的催化活性与稳定性，有利于实现电解水制氢和氢氧燃料电池的工业化应用。

一种石墨烯/ZnSe复合微米棒及其制备方法和应用

Absstract of: CN120172359A

本发明涉及负极材料技术领域，尤其涉及一种石墨烯/ZnSe复合微米棒及其制备方法和应用。本发明利用氧化石墨烯与经表面活性剂处理的ZIF‑8纳米颗粒混合形成浆料，以乙二胺溶液作为凝固浴，通过湿法纺丝、水热反应、溶剂交换和高温硒化反应多步骤合成工艺，实现了ZIF‑8纳米颗粒在石墨烯基微米棒三维空间内的均匀负载及其原位硒化转化，制备出了石墨烯/ZnSe复合微米棒粉体材料。产物中ZnSe颗粒整体呈坍缩的纳米菱形十二面体形态，并均匀分散封装在石墨烯微米棒框架结构内。该结构显著缓解了ZnSe在锂离子电池负极材料中的体积效应，提高了导电性，避免了颗粒团聚问题，从而提升了电极的循环稳定性和倍率性能。

一种煤基量子点纳米材料的制备方法及其应用

Nº publicación: CN120172390A 20/06/2025

Applicant:

新疆大学

Absstract of: CN120172390A

本发明公开了一种煤基量子点纳米材料的制备方法及其应用，包括以下步骤：S1、将煤基原料依次加入到盐酸溶液、氢氟酸溶液中进行酸洗除杂，将沉淀物洗涤至中性，干燥后得到酸洗后的煤基原料；S2、将步骤S1所得酸洗后的煤基原料加入到反应容器中，加入DMF，超声处理，升温至预定温度进行反应，同时滴入过氧化氢溶液，反应结束后，自热冷却至室温，得到冷却后的溶液；S3、将步骤S2所得冷却后的溶液进行离心分离，取上清液于透析袋中透析，将透析后的溶液冷冻干燥，得到煤基量子点纳米材料。本发明提供一种煤基量子点纳米材料的制备方法，操作简单，转化率高，成本低廉，可大规模推广应用。