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Solicitudes publicadas en los últimos 60 días (excluida automoción) / Applications published in the last 60 days (Automotion publications excluded)
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一种电弧法生产单壁碳纳米管的方法

NºPublicación:  CN120172391A 20/06/2025
Solicitante: 
福建中禾新材料有限公司
CN_120172391_A

Resumen de: CN120172391A

本发明提供了一种电弧法生产单壁碳纳米管的方法,属于碳纳米管制备技术领域。本发明提供的方法包括以下步骤:将主催化剂、硫粉和氧化硒粉混合后进行煅烧,得到催化剂粉末;将所述催化剂粉末与多孔硬碳混合,得到复合催化剂;将碳源、所述复合催化剂和还原性气体在等离子体电弧炉的反应管内进行碳原子重组反应,得到单壁碳纳米管。本发明先制备催化剂粉末,并将其与多孔硬碳混合形成复合催化剂,能够使催化剂在反应管的高温区形成均匀的催化剂核,提高催化剂的利用率、单壁碳纳米管的质量;此外,多孔硬碳易于去除,不易向产物中引入杂质,提高碳纳米管的纯度。

一种石墨烯纳米片及其制备方法

NºPublicación:  CN120172397A 20/06/2025
Solicitante: 
中国科学院大连化学物理研究所
CN_120172397_PA

Resumen de: CN120172397A

本发明公开了一种石墨烯纳米片及其制备方法,属于石墨烯技术领域。本发明石墨烯纳米片的制备方法,包括:以含氟化盐溶液为电解液,通过电化学双极剥离含石墨原料,获得石墨烯纳米片。本发明的制备方法操作简单,安全可控,低成本、高效率,绿色环保,对电化学剥离装置腐蚀性小。

一种石墨烯/ZnSe复合微米棒及其制备方法和应用

NºPublicación:  CN120172359A 20/06/2025
Solicitante: 
巢湖学院
CN_120172359_A

Resumen de: 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。

一种球形硅碳负极材料及其制备方法和应用

NºPublicación:  CN120184229A 20/06/2025
Solicitante: 
合肥国轩电池材料有限公司
CN_120184229_PA

Resumen de: CN120184229A

本发明涉及锂电池材料技术领域,具体公开了一种球形硅碳负极材料及其制备方法和应用,所述球形硅碳负极材料包括内核以及包覆在所述内核外的包覆层;所述内核包括掺杂有氮元素的多孔硬碳以及包覆在所述多孔硬碳外的碳层,所述多孔硬碳内沉积有硅纳米颗粒;所述包覆层为三甲基铝功能化聚环氧乙烷交联网络包覆层。本发明提供的球形硅碳负极材料通过甲基铝功能化聚环氧乙烷交联网络包覆,该包覆层能够为离子提供传输通道,促进离子的传输,有利于增强负极材料的储锂性能,高强度的三维网络结构可以有效抑制硅碳负极材料的体积膨胀,防止颗粒裂纹或粉化。

一种多孔石墨烯/过渡金属氧化物复合微米棒及其制备方法和其在锂离子电池负极中的应用

NºPublicación:  CN120172448A 20/06/2025
Solicitante: 
巢湖学院
CN_120172448_PA

Resumen de: CN120172448A

本发明涉及负极材料技术领域,尤其涉及一种多孔石墨烯/过渡金属氧化物复合微米棒及其制备方法和其在锂离子电池负极中的应用。制备方法:将氧化石墨烯与有机小分子配体组成的混合浆料通过针管注入包含有过渡金属盐溶液凝固浴的旋转转盘中,获得复合凝胶微米棒悬浮液;将悬浮液进行水热反应后冷却,过滤,洗涤,干燥,研磨;将石墨烯/MOF复合微米棒粉体与强碱混合物保护气氛下高温煅烧处理,同步实现微米棒的活化刻蚀及高温碳化。本发明制备的复合微米棒有效缓解了过渡金属氧化物在充放电过程中的体积效应,显著降低界面电阻,加速锂离子传输和电解液渗透,从而大幅提升电极的循环稳定性和倍率性能,显著提高了电极的结构稳定性和循环寿命。

一种双壁碳纳米管及其制备方法

NºPublicación:  CN120172393A 20/06/2025
Solicitante: 
厦门大学
CN_120172393_PA

Resumen de: CN120172393A

本发明公开了一种双壁碳纳米管及其制备方法,所述方法包括如下步骤:(1)配制反应液:将噻吩、催化剂加入到无水乙醇中后,超声分散均匀,得反应液,备用;(2)空气置换:向石英管反应器中通入氩气进行空气的置换;(3)待置换完成后,进行升温并通入载气,当升温至反应温度后,将经预热后的反应液注入到石英管反应器中,开始反应;(4)待反应结束后,停止注入反应液,维持反应温度反应一段时间,最后冷却至室温,取出反应物,即得双壁碳纳米管产品。本发明制得的碳纳米管的纯度较高,缺陷少,有利于碳纳米管的综合利用。

一种钛掺杂高密度球形纳米焦磷酸磷酸铁钠钠离子电池正极材料及其制备方法

NºPublicación:  CN120184223A 20/06/2025
Solicitante: 
兴荣新源(厦门)科技有限公司
CN_120184223_A

Resumen de: CN120184223A

本申请涉及钠离子电池正极材料技术领域,尤其涉及一种钛掺杂高密度球形纳米焦磷酸磷酸铁钠钠离子电池正极材料及其制备方法。一种钛掺杂高密度球形纳米焦磷酸磷酸铁钠钠离子电池正极材料,其化学通式为Na₄Fe3‑xTix(PO₄)₂P₂O₇,其中0.05≤x≤0.2,且正极材料的颗粒粒径为20‑300 nm,表面包覆一层碳。通过材料‑工艺‑结构的多维度创新,本申请为钠离子电池商业化提供了高性能正极解决方案,兼具技术先进性与工程化潜力。

一种荧光碳量子点及其制备方法与应用

NºPublicación:  CN120173601A 20/06/2025
Solicitante: 
西京学院
CN_120173601_PA

Resumen de: CN120173601A

本发明公开了一种荧光碳量子点及其制备方法与应用,方法包括步骤:步骤1、对废弃乳胶或丁腈手套进行预处理,得到干净的碎片,取干净的碎片放入陶瓷坩埚,将陶瓷坩埚置于管式炉,在空气气氛中,于255~295℃的温度下,煅烧4~6h,冷却后,研磨,得到黑色粉末;步骤2、将黑色粉末加入稀释后的磷酸溶液中,搅拌均匀,然后转移到水热釜,将水热釜置于245℃的烘箱中,加热10~12h,得到黑色液体,过滤数次,得到黄棕色透明的荧光碳量子点水溶液;步骤3、将荧光碳量子点水溶液冷冻干燥,得到荧光碳量子点粉末。本发明开发的荧光碳量子点合成方法,不仅具有低成本和绿色环保的优点,而且合成的荧光碳量子点具有高的量子产率,能够用于防伪打印和信息加密。

METHODS AND APPARATUS TO IMPROVE DISSIPATION OF HEAT FROM INTEGRATED CIRCUIT PACKAGES USING CARBON NANOTUBES

NºPublicación:  US2025201661A1 19/06/2025
Solicitante: 
INTEL CORP [US]
Intel Corporation

Resumen de: US2025201661A1

Systems, apparatus, articles of manufacture, and methods to dissipate heat within and/or from integrated circuit packages using carbon nanotubes are disclosed. An example integrated circuit package includes: a first metal layer; a second metal layer; and an array of carbon nanotubes extending from the first metal layer toward the second metal layer.

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.

PRECURSOR AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND LITHIUM-ION BATTERY

NºPublicación:  WO2025123847A1 19/06/2025
Solicitante: 
XTC NEW ENERGY MAT XIAMEN CO LTD [CN]
\u53A6\u95E8\u53A6\u94A8\u65B0\u80FD\u6E90\u6750\u6599\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025123847_A1

Resumen de: WO2025123847A1

The present application provides a precursor of a positive electrode active material. A particle of the precursor comprises a core and a shell covering the core. The material of each of the core and the shell is nickel cobalt manganese oxide or nickel cobalt manganese hydroxide. The core is doped with a fluxing agent, and the fluxing agent is selected from one or more of oxides, carbonic acid compounds, and hydroxides of Sr, Li, Mg, Ni, Co, and Zr. The shell is doped with a reaction inhibitor. The reaction inhibitor is selected from one or more of lithium compounds, oxides, carbonic acid compounds, hydroxides, and other compounds of Ta, W, Al, Mn, Mo, and La. A fluxing agent is disposed in the core of the particle of the precursor, and the reaction inhibitor is disposed in the shell, so that subsequent crystallization of the precursor develops from inside to outside. The present application further provides a positive electrode active material and a preparation method therefor, a positive electrode comprising the positive electrode active material, a lithium-ion battery, and a preparation method for the precursor.

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.

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.

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.

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 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 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.

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

Nº publicación: 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。

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