Ministerio de Industria, Turismo y Comercio LogoMinisterior
 

Alerta

Resultados 158 resultados
LastUpdate Última actualización 04/07/2025 [07:19:00]
pdfxls
Solicitudes publicadas en los últimos 60 días (excluida automoción) / Applications published in the last 60 days (Automotion publications excluded)
previousPage Resultados 75 a 100 de 158 nextPage  

IMPROVED CATALYST FOR MWCNT PRODUCTION

NºPublicación:  US2025197223A1 19/06/2025
Solicitante: 
NANOCYL SA [BE]
NANOCYL SA
US_2025197223_A1

Resumen de: US2025197223A1

A carbon nanotube dispersion includes multi-walled carbon nanotubes having between 0.1 and 13% by weight of iron-free catalytic remnants, the remnants including one or more iron-free metal oxide compound(s) of at least three metals selected from aluminum, vanadium, cobalt, and molybdenum. The dispersion further includes an amide-based solvent, polyvinylpyrrolidone, and an amine-based compound. The present disclosure is further related to a method for the preparation of MWCNT dispersions and their use in batteries.

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

NºPublicación:  US2025197224A1 19/06/2025
Solicitante: 
SK INC [KR]
SK Inc
US_2025197224_A1

Resumen de: 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.

MANUFACTURING METHOD OF CARBON NANOTUBE DISPERSION LIQUID, RESIN COMPOSITION USING THE SAME, MIXTURE SLURRY, ELECTRODE FILM, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NºPublicación:  US2025201857A1 19/06/2025
Solicitante: 
ARTIENCE CO LTD [JP]
TOYOCOLOR CO LTD [JP]
artience Co., Ltd,
TOYOCOLOR CO., LTD
CN_118073570_A

Resumen de: US2025201857A1

A manufacturing method of a carbon nanotube dispersion liquid containing carbon nanotubes, a dispersant, and a solvent includes at least the following steps. A dispersion treatment is performed on the carbon nanotubes having a BET specific surface area (m2/g) of 220 to 800, 20 parts by mass to 100 parts by mass of the dispersant relative to 100 parts by mass of the carbon nanotube, and the solvent using a homogenizer or a paint conditioner. A fiber length of the carbon nanotubes in the carbon nanotube dispersion liquid obtained from the dispersion treatment ranges from 0.8 μm to 3.5 μm.

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

NºPublicación:  US2025201856A1 19/06/2025
Solicitante: 
SK INC [KR]
SK Inc
CN_120184196_A

Resumen de: 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.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

NºPublicación:  EP4570754A1 18/06/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG Chem, Ltd
EP_4570754_A1

Resumen de: EP4570754A1

The present invention relates to a carbon nanotube dispersion in which the size of particles contained therein is small, the carbon nanotube dispersion comprising carbon nantotubes, a dispersant, and a dispersion medium, wherein the dispersant comprises a first dispersant and a second dispersant in a weight ratio of 100:10 to 100:115, the first dispersant is a dispersant containing N atoms, the second dispersant includes a compound having a molecular weight of 400 g/mol or less and having one aromatic ring and two or more hydroxyl groups in the molecular structure thereof, and the weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500.

CARBON NANOTUBE DISPERSION SOLUTION AND PREPARATION METHOD THEREFOR

NºPublicación:  EP4570753A1 18/06/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG CHEM, LTD
EP_4570753_A1

Resumen de: EP4570753A1

The present invention relates to a carbon nanotube dispersion comprising carbon nanotubes, a dispersant and a dispersion medium, wherein the dispersant comprises a first dispersant and a second dispersant in a weight ratio of 100:10 to 100:90, the first dispersant is a dispersant comprising an N atom, the second dispersant is a compound comprising a sulfonic acid group, a hydroxyl group and an aromatic ring in a molecular structure, and a weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500, thereby having low viscosity and a little change in viscosity over time.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

NºPublicación:  EP4570752A1 18/06/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG CHEM, LTD
EP_4570752_A1

Resumen de: EP4570752A1

The present invention relates to a carbon nanotube dispersion and a preparation method therefor, the dispersion having a co-dispersant, comprising polyethyleneglycol, polystyrene and cellulose-based components, that is applied thereto. The carbon nanotube dispersion of the present invention has excellent viscosity stability during room-temperature and high-temperature storage.

CARBON SHEET, METHOD FOR PRODUCING SAME, MULTILAYER BODY AND POWER STORAGE DEVICE

NºPublicación:  EP4570750A1 18/06/2025
Solicitante: 
ZEON CORP [JP]
Zeon Corporation
EP_4570750_A1

Resumen de: EP4570750A1

Provided are a carbon sheet having excellent performance in terms of inhibiting lithium dendrite growth and a method of producing this carbon sheet. Also provided are a laminate and an electrical storage device that include a carbon sheet having excellent performance in terms of inhibiting lithium dendrite growth. The carbon sheet is a carbon sheet containing carbon nanotubes, wherein the carbon nanotubes and the carbon sheet each have pores, and the distribution states of these pores satisfy specific requirements.

COMPOSITE LITHIUM IRON PHOSPHATE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM ION BATTERY USING SAME

NºPublicación:  EP4570749A1 18/06/2025
Solicitante: 
EVE POWER CO LTD [CN]
Eve Power Co., Ltd
EP_4570749_A1

Resumen de: EP4570749A1

Disclosed is a composite lithium iron phosphate material, and a positive electrode and a lithium ion battery using the same. The composite lithium iron phosphate material is made of a composition comprising an iron phosphate precursor, a lithium source, and a carbon source, the carbon source covers the iron phosphate and the lithium source, the carbon source includes a synthetic polymer carbon source and a biomass carbon source, and the biomass carbon source includes carbon fibers.

FIBROUS CORE-SHELL SILICON-CARBON STRUCTURES

NºPublicación:  EP4569163A2 18/06/2025
Solicitante: 
UNIV CALIFORNIA [US]
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
KR_20250049290_PA

Resumen de: AU2023321889A1

This disclosure relates to novel lithium ion battery structures and methods of manufacture. One particular method includes a method of coating a porous glass substrate. The method includes: providing a porous glass substrate; flowing gaseous hydrocarbon onto a porous glass substrate in a reaction zone; and exposing the porous glass substrate to a concentrated solar irradiation in the reaction zone such that the porous substrate and gases surrounding the porous substrate absorb the concentrated solar irradiation producing heat. The heat chemically reduces glass fibers in the porous glass substrate into silicon fibers, and the heat decomposes the gaseous hydrocarbon into a carbon coating on the silicon fibers.

CARBON NANOTUBE DISPERSION AND METHOD FOR PREPARING SAME

NºPublicación:  EP4570755A1 18/06/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG Chem, Ltd
EP_4570755_A1

Resumen de: EP4570755A1

The present invention relates to a carbon nanotube dispersion having low viscosity and comprising a small size of particles, the carbon nanotube dispersion comprising carbon nanotubes, a dispersant, and a dispersion medium, wherein the dispersant includes a first dispersant and a second dispersant in a weight ratio of 100:10-100:90, the first dispersant is a dispersant containing a cyclic amide group, the second dispersant is a polymer compound containing both a sulfone group and styrene, and the weight ratio of the carbon nanotubes to the dispersant is 100:50-100:500.

一种石墨烯导热膜及其制备方法

NºPublicación:  CN120157115A 17/06/2025
Solicitante: 
上海博息电子科技有限公司
CN_120157115_PA

Resumen de: CN120157115A

本发明公开了一种石墨烯导热膜及其制备方法,本发明涉及改性石墨烯技术领域。该方法通过以下步骤实现:(1)原料预处理:采用机械剪切法制备亚微米级氧化石墨烯分散液,并负载铂量子点;(2)动态流场成膜:通过涂布过程施加动态压力场,形成高取向度的湿膜;(3)梯度协同还原:结合化学预还原、脉冲焦耳还原和等离子体处理,显著降低氧含量和缺陷密度;(4)三维桥接强化:利用气溶胶辅助生长氮化硼纳米片桥接结构,构建垂直导热通道。所制备的石墨烯导热膜具有超高热导率、超薄膜厚、高柔性等优异性能,工艺稳定性高且能耗低,适用于5G通信、柔性电子、高功率器件等领域的热管理需求。

具备级联酶活性的抗炎抗氧化应激纳米酶Cu5.4O@CNDs及其应用

NºPublicación:  CN120157167A 17/06/2025
Solicitante: 
西安交通大学
CN_120157167_PA

Resumen de: CN120157167A

本发明属于肝病治疗药物技术领域,具体涉及具体涉及一种具备级联酶活性的抗炎抗氧化应激纳米酶Cu5.4O@CNDs及其应用。所述纳米酶Cu5.4O@CNDs由以下步骤制备:将CuCl2溶解于碳点水溶液中,75℃~80℃反应10min~12min,然后加L‑抗坏血酸水溶液,用NaOH溶液调节pH至7.0‑8.0,75℃~80℃反应10h~12h,反应结束后,通过离心除去沉淀,上清液经透析、冻干后得到所述Cu5.4O@CNDs。本发明研究结果证明纳米酶Cu5.4O@CNDs具有治疗多种急性肝损伤疾病的潜力,是一种很有临床应用前景的干预策略。

一种折叠氧化石墨烯的方法

NºPublicación:  CN120157116A 17/06/2025
Solicitante: 
浙江大学
CN_120157116_PA

Resumen de: CN120157116A

本发明公开了一种折叠氧化石墨烯的方法。该方法将氧化石墨烯(GO)溶液与可电纺聚合物溶液混合均匀,再利用混合后的溶液进行静电纺丝,制备成含有折叠状氧化石墨烯的聚合物纤维,再热处理得到折叠状还原氧化石墨烯。通过降低GO在混合溶液中的含量使其能通过静电纺丝实现片片分离;利用GO片冯卡门数较高,极易变形的特点,利用电场对GO和聚合物的混合溶液的拉伸而产生空间压缩使GO片发生折叠。

管状多孔硬碳/纳米金刚石低温钠电负极材料及制备方法

NºPublicación:  CN120157106A 17/06/2025
Solicitante: 
吉林大学
CN_120157106_PA

Resumen de: CN120157106A

本发明的管状多孔硬碳/纳米金刚石低温钠电负极材料及制备方法属于低温钠离子电池负极材料技术领域。本发明以生物质香蒲草为碳源,添加纳米金刚石,通过高温煅烧的方法,合成了管状多孔硬碳复合纳米金刚石(CG‑ND)。当CG‑ND应用于钠离子电池的负极时,在室温和低温下均展示出良好的循环稳定性,具有高比容量以及长循环稳定性。本发明所采用的制备方法具有过程简单、易于实现、容易放大等优点,有望未来大规模生产。

一种N/O共掺杂多孔互联空心碳球催化剂的制备方法及其应用

NºPublicación:  CN120158769A 17/06/2025
Solicitante: 
福州大学
CN_120158769_PA

Resumen de: CN120158769A

本发明公开了一种N/O共掺杂多孔互联空心碳球催化剂的制备方法及其在氧气还原反应高效生产过氧化氢中的应用,所述方法以生物质小分子鸟嘌呤和正硅酸四乙酯为新型双功能模板,通过自组装结合高温碳化策略制备出具有三维多级孔道结构的N/O共掺杂空心碳球催化剂。该合成工艺具备操作简单、成本低廉、绿色可持续等突出优势。所得的材料具有独特的三维空心球结构,其表面氮、氧掺杂量分别达到37.28 at%和12.65 at%,为2e‑ ORR路径提供了丰富的活性位点。实验结果表明,该催化剂表现出卓越的2e‑ ORR催化活性,其H2O2选择性最高可达94.3%,且能在连续运行10 h后仍保持良好的电流效率和选择性稳定性。

一种三维石墨负极材料及其制备方法和应用

NºPublicación:  CN120157118A 17/06/2025
Solicitante: 
溧阳天目先导电池材料科技有限公司
CN_120157118_PA

Resumen de: CN120157118A

本发明实施例涉及一种三维石墨负极材料及其制备方法和应用,该制备方法包括:将柠檬酸和尿素溶于水中搅拌溶解,得到混合溶液;对混合溶液进行第一次热处理,以使柠檬酸的羧基官能团发生自身脱水缩合形成碳核以及柠檬酸的羧基官能团与相邻的尿素的氨基官能团脱水缩合形成吡咯氮后再转化为石墨氮,在第一次热处理后冷却至室温,经离心,得到氮掺杂型石墨烯量子点的上清液;向上清液中加入水和乙醇的混合溶液进行旋转蒸发,得到氮掺杂型石墨烯量子点浓缩液;在保护气氛下,对氮掺杂型石墨烯量子点浓缩液进行第二次热处理,使得氮掺杂型石墨烯量子点之间通过表面的氨基和羧基进行交联,得到具有孔隙结构的三维石墨负极材料。

一种高效微波吸收碳气凝胶基复合材料及其应用

NºPublicación:  CN120157500A 17/06/2025
Solicitante: 
哈尔滨师范大学
CN_120157500_PA

Resumen de: CN120157500A

本发明涉及气凝胶材料领域,提供了一种高效微波吸收碳气凝胶基复合材料及其制备方法。该材料以层状多孔碳气凝胶为基体,通过化学气相沉积法在其孔壁表面原位生长碳纳米管,构建三维导电网络,并将FeCo纳米颗粒均匀封装于碳纳米管内腔中。所述材料具有高比表面积(650~950 m²/g)、高电导率(65~80 S/cm)及优异的微波吸收性能。其制备流程包括金属前驱体骨架构建、分段冷冻干燥、催化活化及碳纳米管原位生长等关键步骤,形成孔隙率达80%~95%、分布层状的复合结构,有效提升复合材料的微波吸收、力学强度与抗氧化性能,适用于电磁屏蔽、隐身材料等领域,具有广泛的应用前景。

一种Al-MOF衍生的CAU-Al(200、300)/rGO复合吸波材料及其制备方法

NºPublicación:  CN120158103A 17/06/2025
Solicitante: 
南方科技大学嘉兴研究院
CN_120158103_PA

Resumen de: CN120158103A

本发明属于电磁波吸收材料技术领域,涉及一种Al‑MOF衍生的CAU‑Al/rGO复合吸波材料及其制备方法。该复合材料以CAU‑10‑H(Al)MOF碳基衍生物与还原氧化石墨烯为主要成分,通过溶剂热法、水浴加热、热处理及冷冻干燥等工艺制备而成。其制备步骤包括:先将氧化石墨粉末与抗坏血酸还原剂按质量比混合,经搅拌、细胞粉碎、水热法及真空冷冻干燥法制得还原氧化石墨烯黑色粉末;再将CAU‑10‑H(Al)前驱体置于管式炉内,在氩气气氛下升温碳化形成CAU‑Al(200)、CAU‑Al(300);最后按质量比混合CAU‑Al与还原氧化石墨烯粉末,搅拌均匀得到复合吸波材料。本发明通过将碳化后的MOF颗粒掺杂在还原氧化石墨烯中,实现轻质量的特点,提高了复合材料的介电损耗能力、界面极化及弛豫损耗,且与空气阻抗匹配良好,显著增强了电磁波吸收性能。

一种具有同轴结构的自支撑硅碳负极材料及其制备方法与应用

NºPublicación:  CN120164927A 17/06/2025
Solicitante: 
山东大学
CN_120164927_PA

Resumen de: CN120164927A

本发明属于锂离子电池领域,涉及负极材料,具体涉及一种具有同轴结构的自支撑硅碳负极材料及其制备方法与应用。采用硅烷偶联剂对硅纳米颗粒进行改性处理获得改性硅纳米颗粒;将改性硅纳米颗粒与芯层聚合物混合均匀获得改性芯层混合物;利用同轴静电纺丝的方法将改性芯层混合物与皮层聚合物制成同轴结构复合纳米纤维;将所述同轴结构复合纳米纤维在惰性气氛条件下进行热解碳化,即得。本发明的制备方法不仅能够提高纳米硅颗粒在硅碳负极材料中的分散性,而且能够控制硅在循环过程中的体积膨胀,还有利于导电性和锂离子扩散速率的提高。

一种碳点改性的耐低温水凝胶固态电解质膜及其制备方法

NºPublicación:  CN120165066A 17/06/2025
Solicitante: 
南京大学海安南京大学高新技术研究院
CN_120165066_PA

Resumen de: CN120165066A

本发明公开了一种碳点改性的耐低温水凝胶固态电解质膜及其制备方法,具体包括S001碳点的合成,通过柠檬酸和3‑氨基苯磺酸在N,N‑二甲基甲酰胺中的反应,加入乙二胺后高压加热,再经过乙醇沉淀、透析和冷冻干燥得到CD粉末;S002PAM‑CD水凝胶固态电解质膜的制备:将丙烯酰胺、过硫酸铵、N,N'‑亚甲基双丙烯酰胺和CD粉末混合搅拌,倒入模具中交联,然后放入三氟甲基磺酸锌溶液中浸泡,最后自然干燥得到‌PAM‑CD水凝胶固态电解质膜。碳点CD通过表面官能团打破水凝胶中水分子间的氢键作用、增强水凝胶的离子传导性和机械强度,进而实现了固态电解质膜耐低温性能、较高的离子电导率和机械耐久性,利用该水凝胶固态电解质膜组装的锌离子电池在低温下表现出优异的循环稳定性。

一种基于煤焦油沥青的碳量子点及其制备方法与应用

NºPublicación:  CN120158297A 17/06/2025
Solicitante: 
昆明理工大学华东理工大学
CN_120158297_PA

Resumen de: CN120158297A

本发明涉及一种基于煤焦油沥青的碳量子点及其制备方法与应用,属于碳量子点技术领域。制备方法包括以下步骤:S1、将干燥后的煤焦油沥青与萃取溶剂混合后进行微波加热,在80~100℃萃取,去除萃取溶剂后获得萃取产物;S2、将萃取产物溶于水后在40~60℃的温度下超声诱导形成碳量子点;S3、去除杂质,获得碳量子点产品。本发明以成本低廉的煤焦油沥青为原料,通过调整溶剂种类、微波萃取温度与时间、后续处理条件等参数,可以有效控制碳量子点的尺寸、形貌及发光颜色,实现绿色和蓝色等不同发光特性的碳量子点的制备。

基于硅钼基金属配合物合成C@SiOx/MoSe2@OMWCNT材料的方法及用途

NºPublicación:  CN120157134A 17/06/2025
Solicitante: 
湖南大学
CN_120157134_PA

Resumen de: CN120157134A

本发明公开了一种基于硅钼基金属配合物合成C@SiOx/MoSe2@OMWCNT材料的方法及用途,本发明将三苯基氯硅烷与五氯化钼溶于乙二醇,然后再加入硒和OMWCNT,并分散得到前驱体分散液;然后在Ar气氛中煅烧前驱体分散液获得C@SiOx/MoSe2@OMWCNT材料。本发明结构中的MoSe2提供了钠离子扩散到SiOx的通道,而包覆的碳层提高了材料的导电性并缓解了在活性材料储能过程中体积膨胀的问题,同时可防止充放电过程中形成的多硒化合物溶解到电解液中,此外,OMWCNT还起到支撑作用并形成导电网络,将C@SiOx/MoSe2@OMWCNT作为钠离子电池负极材料时,展现出很好的倍率性并且有利于实现规模化生产。

新能源余电基水热电热处理高含水有机固废制氢与多维碳方法

NºPublicación:  CN120157114A 17/06/2025
Solicitante: 
南京师范大学
CN_120157114_PA

Resumen de: CN120157114A

本发明提出了一种新能源余电基水热电热处理高含水有机固废制氢与多维碳方法,包括以下步骤:步骤1,收集并储存新能源余电并将其用于处理所述高含水有机固废;步骤2,使用水热系统处理高含水有机固废,得到水热焦和含碳氢化合物浆液;步骤3,使用透析系统处理步骤2中所述的含碳氢化合物浆液,得到碳量子点溶液和浆液;步骤4,使用浓缩系统对浆液进行浓缩,得到浓缩浆液;步骤5,使用水热焦孔隙布水耦合电热闪蒸碳化系统对步骤4中的浓缩浆液和步骤2中的水热焦进行处理,得到富氢气、石墨烯和多孔碳。

一种兼具抗氧化性和抗菌性的碳量子点的制备方法和应用

Nº publicación: CN120157112A 17/06/2025

Solicitante:

上海麟定生物科技有限公司

CN_120157112_PA

Resumen de: CN120157112A

本发明公开了一种兼具抗氧化性和抗菌性的碳量子点的制备方法和应用,其中制备方法,称取0.2‑0.6g的乙二胺四乙酸二钠和0.1g‑0.8g的聚乙烯亚胺放入烧杯中,向烧杯中加入10‑20ml的去离子水,并封住瓶口。用超声加速混合,直到固体全部溶解,然后转移到聚四氟乙烯的内衬中,在140‑220℃下反应6h后自然冷却。用0.22μm滤头过滤橙黄褐色溶液,除去未完成的反应物,然后使用3500Da的透析袋,透析两天。与传统技术相比,本发明有良好的抗菌性能和抗氧化性能,可用作抗菌药物、抗菌涂层、抗菌溶液,制备抗菌材料产品;本发明制备方法简单,生产易于控制;原材料易得,制备成本较低。

traducir