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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。

多孔碳材料、硅基复合材料及制备方法、负极和二次电池

NºPublicación:  CN120184243A 20/06/2025
Solicitante: 
兰溪致德新能源材料有限公司
CN_120184243_A

Resumen de: 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

NºPublicación:  CN120172360A 20/06/2025
Solicitante: 
兰州理工大学
CN_120172360_PA

Resumen de: 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。

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。

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

NºPublicación:  CN120184246A 20/06/2025
Solicitante: 
合肥国轩高科动力能源有限公司
CN_120184246_A

Resumen de: 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

NºPublicación:  CN120184197A 20/06/2025
Solicitante: 
SK\u682A\u5F0F\u4F1A\u793E
CN_120184197_A

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.

一种混合排列碳纳米管及其制备方法和应用

NºPublicación:  CN120172392A 20/06/2025
Solicitante: 
华中科技大学
CN_120172392_PA

Resumen de: 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

NºPublicación:  CN120184196A 20/06/2025
Solicitante: 
SK\u682A\u5F0F\u4F1A\u793E
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.

一种碳载铂基合金纳米双功能电催化剂的制备方法

NºPublicación:  CN120184269A 20/06/2025
Solicitante: 
太原理工大学
CN_120184269_A

Resumen de: 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

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。

一种煤基量子点纳米材料的制备方法及其应用

NºPublicación:  CN120172390A 20/06/2025
Solicitante: 
新疆大学
CN_120172390_PA

Resumen de: 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。

一种石墨烯的制备方法

NºPublicación:  CN120172398A 20/06/2025
Solicitante: 
广东顺德德图新材料有限公司
CN_120172398_PA

Resumen de: CN120172398A

本申请公开了一种石墨烯的制备方法,属于石墨材料生产领域。一种石墨烯的制备方法,包括以下步骤:S1.将氧化剂分散于水中,加入石墨粉体,分散均匀后加入气泡稳定剂,分散均匀后得到预分散液;S2.搅拌并超声波震荡预分散液,产生气泡,对石墨进行氧化剥离;S3.结束超声波震荡,得到石墨烯分散液,中和石墨烯分散液,过滤、清洗,干燥得到石墨烯。本申请具有获得尺寸均匀的石墨烯,发挥石墨烯的导电性能的效果。

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。

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, 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.

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]
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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.

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.

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.

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 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

Nº publicación: 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.

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