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127
results.
Updated on
13/10/2025 [15:42:00]
Absstract of: CN120757107A
本发明涉及石墨烯材料领域，具体是一种石墨烯浓缩浆料及其制备方法和应用。本发明基于小尺寸的石墨烯分散液得以浓缩得到高固含量的石墨烯浓缩浆料。高固含量的石墨烯浓缩浆料是一种剪切增稠液体，根据剪切增稠效应，浆料中的石墨烯微片与分散剂的长分子链之间会形成一定的网络结构，这种网络结构会阻碍液体的流动，使其粘度显著增加。由于石墨烯具有特殊的片状结构及分散剂具有很长的链式结构，一旦停止搅拌，虽然外力作用消失，但这种特殊的网络结构并未被破坏，因此浆料的粘度并不会降低，从而使得浆料保持很好的稳定性。以此方法制备出的石墨烯浓缩浆料具有石墨烯含量高、分散剂含量低、石墨烯尺寸小、稳定性高和不易沉降等特点。
Absstract of: CN120757104A
本发明公开了一种微波辅助的没食子酸碳点的制备方法、碳点及其在肿瘤治疗中的应用，该方法包括以下步骤：S1、将没食子酸和精氨酸溶于超纯水中，混匀，得到混合液；S2、将混合液转移至反应釜中，在微波加热；S3、用纯水在超声条件下溶解步骤S2得到的产物，离心，上清液过滤，滤液透析，透析液冷冻干燥，得到没食子酸碳点。本发明公开了一种利用微波辅助法合成没食子酸碳点的方法，合成的碳点平均粒径小于2nm，具有毒性低、穿透能力强等优点，还能够显著抑制脑胶质瘤细胞的增殖和迁移，本发明将为开发基于碳点的新型脑胶质瘤治疗剂提供可行的新策略。
Absstract of: US2025312753A1
A membrane including a polysulfone/polyethylene terephthalate (PSf/PET) support and an active layer on an outer surface of the PSf/PET support. The active layer comprises reacted units of a diacyl chloride compound, a tetra-amine compound, and a nanocomposite including graphitic carbon nitride and polypyrrole. The membrane of the present disclosure is self-cleaning following exposure to radiation and finds application in water decontamination and de-salination.
Absstract of: US2025312752A1
A membrane including a polysulfone/polyethylene terephthalate (PSf/PET) support and an active layer on an outer surface of the PSf/PET support. The active layer comprises reacted units of a diacyl chloride compound, a tetra-amine compound, and a nanocomposite including graphitic carbon nitride and polypyrrole. The membrane of the present disclosure is self-cleaning following exposure to radiation and finds application in water decontamination and de-salination.
Absstract of: US2025313474A1
The present disclosure provides compositions and methods for dispersion of CNTs using a CNT solvent comprising an aromatic ring structure including at least one sulfonic acid functional group. Alternatively, the aromatic ring structure further includes at least a linear or branched alkyl chain. Examples of the carbon nanotube solvent includes dodecyl benzene sulfonic acid.
Absstract of: AU2023467478A1
A method for preparing a modified carbon nanotube, a modified carbon nanotube, a negative electrode slurry, and a battery. The method comprises: carboxylating a carbon nanotube; placing the carboxylated carbon nanotube in a first mixed acid solution to obtain a first inner-wall carboxylated carbon nanotube; placing the first inner-wall carboxylated carbon nanotube in a second mixed acid solution to obtain a second inner-wall carboxylated carbon nanotube; and mixing the second inner-wall carboxylated carbon nanotube and polyethylene glycol to obtain a modified carbon nanotube.
Absstract of: WO2025213046A1
Some aspects are generally related to electrocatalysts, for example, for use during electrocatalysis. In some embodiments, the electrocatalysts may be included in a system configured to perform electrocatalysis. For instance, a system may include an electrode that is associated with a first oligo- or polynucleotide and an electrocatalyst that is associated with a second oligo- or polynucleotide. According to some such embodiments, the first and second oligo- or polynucleotides may at least partially base pair and substantially tether the electrocatalyst to the electrode. In some cases, the electrocatalyst comprises nanoparticles comprising copper (Cu), which may be suitable to be configured in a system for the electrocatalytic reduction of carbon dioxide (CO2). Some aspects are related to electrocatalysts comprising copper nanoparticles having shapes and/or compositions that may desirably affect their electrocatalytic performance, for instance, the related faradaic efficiencies and/or product distributions obtained during electrocatalysis using the nanoparticles. Still other aspects are generally directed to related methods of making and/or using the electrocatalysts and/or systems.
Absstract of: WO2025213023A1
Some aspects are generally related to electrocatalysts, for example, for use during electrocatalysis. In some embodiments, the electrocatalysts may be included in a system configured to perform electrocatalysis. For instance, a system may include an electrode that is associated with a first oligo- or polynucleotide and an electrocatalyst that is associated with a second oligo- or polynucleotide. According to some such embodiments, the first and second oligo- or polynucleotides may at least partially base pair and substantially tether the electrocatalyst to the electrode. In some cases, the electrocatalyst comprises nanoparticles comprising copper (Cu), which may be suitable to be configured in a system for the electrocatalytic reduction of carbon dioxide (CO2). Some aspects are related to electrocatalysts comprising copper nanoparticles having shapes and/or compositions that may desirably affect their electrocatalytic performance, for instance, the related faradaic efficiencies and/or product distributions obtained during electrocatalysis using the nanoparticles. Still other aspects are generally directed to related methods of making and/or using the electrocatalysts and/or systems.
Absstract of: US2025312754A1
A membrane including a polysulfone/polyethylene terephthalate (PSf/PET) support and an active layer on an outer surface of the PSf/PET support. The active layer comprises reacted units of a diacyl chloride compound, a tetra-amine compound, and a nanocomposite including graphitic carbon nitride and polypyrrole. The membrane of the present disclosure is self-cleaning following exposure to radiation and finds application in water decontamination and de-salination.
Absstract of: US2025312751A1
A membrane including a polysulfone/polyethylene terephthalate (PSf/PET) support and an active layer on an outer surface of the PSf/PET support. The active layer comprises reacted units of a diacyl chloride compound, a tetra-amine compound, and a nanocomposite including graphitic carbon nitride and polypyrrole. The membrane of the present disclosure is self-cleaning following exposure to radiation and finds application in water decontamination and de-salination.
Absstract of: US2025316707A1
The invention discloses a carbon-based composite material and its preparation method and application. The carbon-based composite material comprises the substrate, carbon film and structural carbon, and the carbon film or structural carbon contains alkali metal element or alkaline earth metal element. The alkali metal element or alkaline earth metal element is used as the catalyst to make the carbon source deposit the carbon film on the substrate surface and the structural carbon on the carbon film, and the substrate, carbon film and structural carbon are bonded together forming an integrated body without use of binder. The carbon film and structural carbon modify the substrate to generate the carbon-based composite material with a excellent property, and the property comprises one or more of any property of material. A use of the carbon-based composite material is any kind material in any technical field.
Absstract of: EP4629347A1
Example embodiments include low-resistance positive electrodes, and rechargeable lithium batteries including the same. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material in a concentration of about 95.5 wt% to about 99 wt%, a binder in a concentration of about 0.5 wt% to about 1.5 wt%, and a conductive material in a concentration of about 0.5 wt% to about 3 wt%. The conductive material includes nano-carbon particles and carbon nano-tubes. A weight ratio of the carbon nano-tubes to the nano-carbon particles is in a range of about 1.5 to about 3.5.
Absstract of: CN120266223A
Composite materials based on carbon nanostructures and methods of making and using the same are described. The carbon nanostructure-based composite material may be a single-layer or multi-layer composite material. Such composites may be used for radiation shielding, such as those experienced by spacecrafts and space satellites.
Absstract of: CN120736512A
本发明公开了一种抑菌类生物质荧光碳点、制备方法及在抑制痤疮杆菌的应用，属于纳米材料和生物医用材料技术领域，本发明以抑菌类生物质为原料，利用水热法成功一步制备出生物质碳点，该碳点可以通过在去离子水中透析的方式提纯。经验证本发明所制备出的碳点可以有效抑制和杀死痤疮杆菌，还具有清除自由基的功能，此外，该碳点还具有在水中分散性好、细胞毒性低的特点，本发明使用的方法则具有成本低、提纯简便等优点。
Absstract of: CN120736499A
本发明属于锂电池技术领域，提供了一种磷酸锰铁锂材料的制备方法、锂电池，该制备方法包括以下步骤：步骤1、将氧化石墨烯加入去离子水中，超声分散至均匀，加入氰胺溶液，继续搅拌至均匀，转入有聚四氟乙烯衬套水热反应釜中升温反应，洗涤，冷冻干燥后得到碳源；步骤2、将锂源、铁源、锰源和磷源加入去离子水中混合至均匀，进行球磨，干燥，进行预烧结，得到磷酸锰铁锂前驱体；步骤3、将碳源加入磷酸锰铁锂前驱体中混合至均匀，进行二次烧结，得到磷酸锰铁锂正极材料。本发明提供的一种磷酸锰铁锂材料的制备方法，制备工艺简单，且制备得到的磷酸铁锰锂材料具有优异的电化学性能，制备效率较高，有益于规模化生产。
Absstract of: CN120736577A
本发明公开了一种铁硫化物纳米颗粒/镍钴硫化物纳米片/多层石墨烯复合材料、制备方法及应用，在多层石墨烯表面首先生长的是一层片状镍钴硫化物，主要由NiS，Ni3S2，Co3S4物相组成。镍钴硫化物纳米片在多层石墨烯表面向上生长，形成阵列结构。随后在镍钴硫化物阵列表面制备的是铁硫化物纳米颗粒。铁硫化物纳米颗粒沉积在片状的镍钴硫化物表面及间隙的多层石墨烯表面。这种复合结构增加了活性物质与电解质的接触面积，增加了活性点位。同时，引入了异质结构，提高了催化剂的活性。
Absstract of: CN120736511A
本发明涉及生物技术领域，具体公开了一种碳纳米酶及其制备方法与神经细胞中的应用。本发明制备碳纳米酶的方法包括：（1）将单宁酸和尿素充分均匀分散在水中；所述单宁酸和尿素的质量比为（2.4‑2.6）：1；（2）在180‑200℃下进行水热反应，所述水热反应的时间为8‑10小时；（3）高速离心分离出反应产物后直接进行干燥。本发明的碳纳米酶不光具有通常碳点的抗活性氮功能，还具有类过氧化物酶的活性，进一步增强了产品整体的抗氧化性能。通过对人神经母细胞瘤细胞SK‑N‑SH给药实验发现，该碳纳米酶在低浓度给药情况下有一定的神经细胞保护作用；在高浓度给药情况下有促神经癌细胞凋亡的作用。
Absstract of: CN120749153A
本申请提供一种共包覆型磷酸铁锂正极材料及其制备方法、二次电池和用电设备，涉及二次电池领域。共包覆型磷酸铁锂正极材料包括磷酸铁锂基体和位于所述磷酸铁锂基体表面的包覆层，所述包覆层包含碳和二氧化硅；所述二氧化硅的重量占正极材料总重量的0.1%～5%；所述碳的重量占正极材料总重量的0.1%～6%；所述磷酸铁锂基体的粒径为0.1～20μm；所述包覆层的厚度为1‑20nm。包覆层中的碳可以提高电子电导率，包覆层中的二氧化硅可以增强结构稳定性，包覆层中的碳与二氧化硅互相配合，可以有效的提升电池的循环寿命和倍率性能。
Absstract of: CN120736513A
本发明公开了一种丁香罗勒碳点的制备方法及其在抗菌药物和食品防腐中的应用。丁香罗勒碳点的制备方法包括：将丁香罗勒叶片经水蒸气蒸馏去除精油，阴凉干燥后粉碎；将粉末加醇溶剂提取，过滤、浓缩、干燥得醇提取物；将醇提取物分散于蒸馏水中，在加热台上搅拌热解；热解生成物加蒸馏水稀释，离心取上清液，滤膜过滤、透析、冷冻干燥，得到碳点。所得碳点具有碳点‑囊泡共存结构，平均粒径5.732±0.5 nm。本发明制备的丁香罗勒碳点可应用于抗菌药物特别是抑制蜡样芽孢杆菌和李斯特菌活性的药物制备，以及食品防腐领域，具有原料来源广泛、制备方法简单、成本低廉、环境友好等优点。
Absstract of: CN120736485A
本发明涉及电池材料制备技术领域，且公开了一种基于红磷的磷碳负极材料制备方法，包括以下步骤：步骤一、选用高纯度黄磷（纯度≥99.9%）和多孔纳米碳（比表面积≥800m²/g，孔径分布集中在2‑50nm）作为原料，根据目标负极材料的性能要求。本发明通过选用高纯度黄磷（纯度≥99.9%）和多孔纳米碳（比表面积≥800m²/g，孔径分布集中在2‑50nm）作为原料，确保了原料的质量稳定性，在混合过程中，采用行星式球磨机进行混合，通过控制球磨转速和时间，确保了原料的充分混合均匀；同时，使用耐高温、耐腐蚀的高压釜进行加压加温处理，使红磷溶化并渗透到多孔纳米碳的孔隙中，形成了稳定的磷碳复合结构，整个工艺流程可控且高效，为大规模生产提供了有力保障。
Absstract of: CN120736580A
本发明公开了一种生长方向可控的NiCo‑LDH纳米片/多层石墨烯复合材料及制备方法，在DMF和水的混合溶液中，加入膨胀石墨进行超声处理获得多层石墨烯分散液；加入镍钴比为6:4的NiCl2和CoCl2，及EDTA‑2Na，磁力搅拌均匀；随后加入氨水进行不同温度的预处理15分钟；放入一定温度的水浴锅中，磁力搅拌反应5小时；取出后经离心清洗后得到有不同生长方向的NiCo‑LDH纳米片/多层石墨烯复合材料。采用本发明技术方案，实现生长方向不同的NiCo‑LDH纳米片/多层石墨烯复合材料，具有不同的电化学性能，在超级电容器、锂离子电池、钠离子电池和催化剂等领域得到不同的应用。
Absstract of: CN120732773A
本发明涉及一种负载重楼碳量子点抗菌水凝胶制备方法，包括准确称取30‑40份七叶一枝花粉末，置于高压反应釜内；排出其中的空气，然后在200‑300℃加热5‑8h；冷却后取出反应釜内固体并粉碎，加入100‑110份50％的乙醇搅拌均匀，0.22‑0.28μm滤膜过滤；收集液体冷冻干燥即为中药生物质碳量子点。该负载重楼碳量子点抗菌水凝胶制备方法，具有良好的抗菌效果，可延缓耐药菌的产生，可生物降解，环境污染小，无环保压力，对皮肤修复的效果良好，可有效促进皮肤修复，采用重楼根茎七叶一枝花制备碳量子点，其特有的皂苷碳化产物生产，醋酸预处理结合PVA冻融交联使孔隙率提升至82％，碳量子点表面羧基与PVA羟基形成氢键网络，突破抗菌和力学矛盾，可持续释放特性。
Absstract of: CN120749135A
本发明公开了一种MOF基锂离子电池快充负极材料、负极极片及锂离子电池的快速充电控制方法。所述负极材料包括：MOF基体：由过渡金属离子与含氮/氧杂环有机配体合成的三维多孔框架，具有分级孔结构，比表面积≥1500m2/g；导电增强相：通过原位碳化或化学气相沉积嵌入MOF基体孔道或表面的碳基材料，形成三维互联导电网络；锂离子传输促进剂：通过原子层沉积在MOF基体孔道内壁负载的纳米颗粒。本发明具有如下有益效果：高倍率充放电性能：分级孔结构与三维导电网络使锂离子扩散速率提升3倍以上，支持5C快充；长循环稳定性：ALD纳米层与磺酸基修饰协同抑制MOF结构坍塌，1000次循环后容量保持率≥90％；界面优化：官能团修饰增强电解液浸润性，电荷转移阻抗降低40‑60％。
Absstract of: CN120736539A
本发明公开一种普鲁士蓝复合物及制备方法与用途，制备方法为：(1)将碳源/氮源、铁盐、镍盐在乙醇中均匀分散，烘干，在惰性气氛下煅烧，得到FeNi@NCT；(2)将FeNi@NCT分散于亚铁氰化钠水溶液，调节pH，静置，用去离子水洗涤，干燥，得到普鲁士蓝复合物，所述普鲁士蓝复合物又称FeNiPBA/NCT。本发明的制备方法，简单高效，绿色，组分可调性强，工序可扩展性强，易于放大。本发明制备的高结晶度和高导电性的普鲁士蓝复合物，作为正极材料，显著提升了钠离子电池的倍率性能和循环寿命，电化学性能远超过常规改性策略制备的普鲁士蓝正极材料，克服了目前普鲁士蓝正极材料在钠离子电池中的技术缺陷。
Nº publicación: CN120749147A 03/10/2025
Applicant:
宁德新能源科技有限公司
Absstract of: CN120749147A
本申请公开了一种复合石墨材料、复合石墨材料的制备方法、锂离子电池及电子装置，复合石墨材料包括碳点，碳点的表面具有三种形态氮，三种形态氮分别为吡啶氮、吡咯氮和石墨氮，基于三种形态氮的总质量，吡啶氮的质量占比为60％至80％。本申请的复合石墨材料包括高质量占比的吡啶氮，其中，吡啶氮中未参与共轭体系的孤对电子通过引入局部电子缺陷可以形成更多活性位点，增强了对锂离子吸附，提高了复合石墨材料的克容量，此外，吡啶氮形成的高活性区域有利于促进锂离子的吸附或脱附，降低了反应活化能和界面阻抗，从而改善了锂离子电池的充放电容量和动力学性能(充放电倍率)。
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