Resumen de: CN120622471A
本发明属于新能源电池技术领域,具体涉及一种氟掺杂石墨炔材料及其制备方法和应用。所述氟掺杂石墨炔材料的制备方法如下:在溶剂体系下,将石墨炔和固体氟源混合后,干燥,得到复合前驱体;在保护气氛下,将复合前驱体进行退火,以使氟源分解释放氟化氢和氟自由基,氟化氢或氟自由基通过亲核取代与石墨炔上的碳位点结合,形成C‑F键,得到氟掺杂石墨炔材料;石墨炔和固体氟源的质量比为30:1~4。本发明经氟掺杂后的石墨炔的缺陷增多和无序性降低,提高了石墨炔的储锂能力,从而改善了长期循环性能和大倍率性能。
Resumen de: CN120622468A
本申请公开了一种两亲性量子点合成的方法及在纳米驱油中的应用,属于纳米驱油领域。所述合成方法包括:将含有碳源和氮源的混合物,在空气氛围中加热进行反应,将反应产物进行离心,过滤,干燥,得到所述两亲性量子点;所述碳源选自葡萄糖、甘露糖、柠檬酸、木质素、壳聚糖、淀粉中的至少一种;所述氮源选自烷基胺中的至少一种,其中,烷基胺的碳链长为C6到C12。合成的方法简单,可以不需要高压反应釜加热,工艺流程简单,适合大规模工业化生产;该系列两亲性碳量子点在水中和多种有机溶剂中均表现出较好的溶解性和较高的绝对荧光量子产率。
Resumen de: WO2025188986A1
The present disclosure provides a graphene ribbon, comprising a planar monolayer of sp2-hybridized carbon atoms arranged in a hexagonal lattice characterized by a direction of periodicity (see formula (I), the hexagonal lattice structure comprising a unit cell. Each unit cell is symmetric with respect to a plane perpendicular to the plane of the monolayer (a mirror plane); each unit cell comprises 4n zigzags edges, wherein n is a natural number; and wherein the minimal number of hexagons intersected by a line lying in the plane of the monolayer parallel to the mirror plane is 3.
Resumen de: US2025283830A1
A fluorine-doped CD is synthesized through one-pot solvothermal synthesis as follows: dissolving 4-(diethylamino)salicylaldehyde and sodium fluoride in deionized water to produce an aqueous solution, and ultrasonically mixing the aqueous solution with phosphoric acid thoroughly to produce a mixture; placing the mixture in a reactor lined with polytetrafluoroethylene (PTFE), and allowing a reaction for 1 h to 3 h under heating at 180° C. to 220° C.; cooling, and conducting centrifugation to remove unreacted raw materials; collecting a resulting supernatant, and conducting dialysis in a dialysis bag for 24 h to 48 h to produce a sample; and lyophilizing the sample to produce the fluorine-doped CD. The fluorine-doped CD is adopted as a chromogenic agent to achieve the detection of PFCs, and accordingly, a enrichment chromogenic membrane is prepared in combination with UiO-66-F4. The enrichment chromogenic membrane allows convenient detection and can achieve the in-situ monitoring of three PFCs in water.
Resumen de: US2025282624A1
Provided is a simple, fast, scalable, and environmentally benign method of producing a graphene-enhanced cement or concrete material, the method comprising: (a) mixing multiple particles of a graphitic material and multiple particles of a cement or concrete ingredient to form a mixture in an impacting chamber of an energy impacting apparatus, wherein the impacting chamber optionally contains therein ball-milling media other than the multiple particles of a cement or concrete ingredient; (b) operating the energy impacting apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from the particles of graphitic material and transferring the peeled graphene sheets to surfaces of the solid cement or concrete ingredient particles to produce particles of graphene-embraced or graphene-encapsulated cement or concrete ingredient particles inside the impacting chamber; and (c) recovering the graphene-embraced or graphene-encapsulated cement or concrete ingredient particles from the chamber.
Resumen de: US2025282621A1
A composite material comprising carbon nanotubes is described, wherein said composite material does not comprise any carbon nanotube aggregates having a smallest dimension larger than 1 mm. The efficiency of dispersion and anchoring as well as processing capability of the commercially relevant carbon nanotube composites are significantly improved.
Resumen de: US2025282622A1
This invention in one aspect relates to a method of synthesizing a self-assembled mixed-dimensional heterostructure including 2D metallic borophene and 1D semiconducting armchair-oriented graphene nanoribbons (aGNRs). The method includes depositing boron on a substrate to grow borophene thereon at a substrate temperature in an ultrahigh vacuum (UHV) chamber; sequentially depositing 4,4″-dibromo-p-terphenyl on the borophene grown substrate at room temperature in the UHV chamber to form a composite structure; and controlling multi-step on-surface coupling reactions of the composite structure to self-assemble a borophene/graphene nanoribbon mixed-dimensional heterostructure. The borophene/aGNR lateral heterointerfaces are structurally and electronically abrupt, thus demonstrating atomically well-defined metal-semiconductor heterojunctions.
Resumen de: US2025283225A1
The embodiments of the present disclosure relate to a method and apparatus for producing a carbon nanomaterial product (CNM) product that may comprise carbon nanotubes and various other allotropes of nanocarbon. The method and apparatus employ a consumable carbon dioxide (CO2) and a renewable carbonate electrolyte as reactants in an electrolysis reaction in order to make CNTs. In some embodiments of the present disclosure, operational conditions of the electrolysis reaction may be varied in order to produce the CNM product with a greater incidence of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.
Resumen de: EP4613703A1
Carbon nanotube dispersibility and dispersion stability are improved.A carbon nanotube dispersion liquid according to an embodiment includes a carbon nanotube; carboxymethyl cellulose and/or a salt thereof; water; and a compound represented by general formula (1) below. In formula (1), R<sup>1</sup> represents a hydrogen atom, a methyl group, or an ethyl group, R<sup>2</sup> represents a hydrogen atom, a methyl group, or a hydrocarbon group that forms a 5-membered heterocyclic ring or a 6-membered heterocyclic ring together with an -N-C(=O)-N-R<sup>3</sup>-, R<sup>3</sup> represents a hydrogen atom, a methyl group, or a hydrocarbon group that forms a 5-membered heterocyclic ring or a 6-membered heterocyclic ring together with an -N-C(=O)-N-R<sup>2</sup>-, and R<sup>4</sup> represents a methyl group or an ethyl group.R<sup>1</sup> and R<sup>2</sup> are not simultaneously hydrogen atoms. The number of carbon atoms in the compound is 4 or greater.
Resumen de: EP4613705A1
The present invention relates to: a carbon nanotube dispersion solution; a slurry for manufacturing an electrode, containing carbon nanotubes; and a secondary battery. The performance of a secondary battery comprising carbon nanotubes can be improved by controlling the particle size and amount of the carbon nanotubes.
Resumen de: EP4613704A1
Carbon nanotube dispersibility and dispersion stability are improved.A carbon nanotube dispersion liquid according to an embodiment includes a carbon nanotube; carboxymethyl cellulose and/or a salt thereof; water; and a compound represented by general formula (1) below. In formula (1), R represents a hydrogen atom or a methyl group.
Resumen de: CN120607234A
本发明提供了一种低成本高压实磷酸铁锂正极材料的生产方法属于磷酸铁锂正极材料技术领域,所述生产方法包括以下步骤:S1.将磷酸铁和锂源加入羧基化碳纳米管分散液中,搅拌,过滤,干燥,压实成型,转入回转炉,进行低温烧结,得到无机碳掺杂磷酸铁前驱体;S2.将无机碳掺杂磷酸铁前驱体和锂源在聚乙烯醇溶液中搅拌均匀,压实成型,得到有机碳包覆磷酸铁锂混合物料;S3.对有机碳包覆磷酸铁锂混合物料分匣钵进入辊道炉,进行高温烧结,冷却,获得低成本高压实磷酸铁锂正极材料。本发明通过两阶段分炉烧结处理不同反应阶段,能够改善常规横向扩展排列数量及层数带来的磷酸铁锂材料形态一致性差、电化学性能欠佳的缺点。
Resumen de: CN120607278A
本发明公开了一种层状二氧化钛基电极材料及其制备方法和应用,属于钠离子电池钛基负极材料技术领域。上述制备方法如下:对层状碱金属钛酸盐K0.8Li0.27Ti1.73O4依次进行酸化处理和抽滤干燥处理得到层状钛酸H1.07Ti1.73O4粉末,随后将层状钛酸H1.07Ti1.73O4粉末与膨胀剂混合进行膨胀处理后得到膨胀的层状钛酸,再向其中加入碳前驱体溶液并搅拌,然后静置处理得到胶状前驱体;对胶状前驱体进行水热处理得到中间电极材料,水洗中间电极材料后进行高温煅烧碳化处理,得到层状二氧化钛基电极材料。制得的材料中二氧化钛层和碳层交替排列,使得碳材料与TiO2充分接触,最大化提高导电性。
Resumen de: CN120607245A
本发明提供了一种以艾叶为原料合成碳纳米球的方法以及碳纳米球的应用,属于碳纳米球技术领域。本发明采用艾叶为原料,将其加入去离子水中进行水热反应,经过离心、过滤、干燥、得到碳纳米球。本发明制备的碳纳米球可作为负载药物的载体。本发明采用药食同源的艾草为原料,通过水热反应制备得到碳纳米球;碳纳米球能够稳定负载抗肿瘤药物阿霉素并将其运输到肿瘤细胞中,且能长时间释放药物;同时碳纳米球可以将阿霉素运输到肿瘤微环境,进而发挥药效,提高了阿霉素的生物利用度,降低阿霉素对正常细胞的副作用。本发明的碳纳米球是具有可控药物释放特性的新型纳米材料。
Resumen de: CN120607242A
本发明公开了一种基于表面配体功能化的多色碳量子点的制备方法,属于纳米技术领域。首先基于柠檬酸合成了天蓝色发光的碳量子点,经过过滤、透析纯化、表面修饰等步骤制备获得多色碳量子点,通过一系列表面配体功能化策略实现300nm‑1000nm范围内发射的有效调控。本发明提出的波长调控方法系统简单有效,合成方法简单、方便。本发明制备得到的碳量子点荧光量子产率高,最高可达79%;成本和毒性低,并且发光波长可调控至整个可见光谱以及近红外波段。
Resumen de: CN120607243A
本发明公开了一种基于高荧光量子产率的多色碳量子点的多色LED器件以及白光LED器件的制备方法及其应用。本发明所述方法包括:首先柠檬酸合成了天蓝色发光的碳量子点,然后对天蓝色碳量子点进行表面修饰,获得了深蓝色、天蓝色、绿色、黄色、橙色、红色以及近红外发光的多色碳量子点,其中发光中心波长分别为400nm、460nm、535nm、577nm、640nm、750nm和880nm。以多色碳量子点作为发光层制备了多色和白光的LED器件。本发明所述的合成方法简单、方便,制备得到的碳量子点荧光量子产率高,成本和毒性低,制备的多色和白光LED器件亮度高并且外部量子效率EQE最高可达2.42%。
Resumen de: CN120607273A
本发明属于气敏材料技术领域,特别涉及由多壁碳纳米管和氧化锌纳米片复合而成的高性能气敏纳米材料及其在甲烷气体检测中的应用。传统的氧化锌基气敏材料在检测甲烷气体时灵敏度不足。本发明通过将多壁碳纳米管与氧化锌纳米片复合,旨在提高气敏材料对甲烷气体的灵敏度。此外,许多气敏材料需要在较高温度下工作以获得较好的性能,这限制了它们在低温环境下的应用。本发明通过将多壁碳纳米管和氧化锌纳米片复合制备高性能气敏纳米材料,实现了在较低温度下(50℃)的高效气敏性能。
Resumen de: CN120589742A
本发明公开了一种提升木质素基钠电负极硬碳层间距的方法,属于钠离子电池材料技术领域,该方法通过在含水率≤5%的木质素粉体上喷淋1‑5wt%过氧化氢溶液(液固比0.5‑2:1),60‑80℃预氧化6‑8小时引入含氧基团;经程序升温至1200‑1600℃碳化调控层间距至0.36‑0.40nm;再通过浸泡打浆、高压碱蒸煮(3% NaOH,120‑130℃)、热酸浴(2M HCl,80‑90℃)纯化及气流研磨,制得D50=7‑9μm的硬碳负极材料。本发明以废弃木质素替代椰壳炭/酚醛树脂,用过氧化氢预氧化提升石墨烯微晶的层间距,成本低,质量高,生产技术简单,烧制出高价值的钠电负极硬碳,有良好的经济效益和社会效益,应用前景广阔。
Resumen de: CN120591829A
本发明涉及金属酞菁与碳纳米管复合材料技术领域,特别是一种镍酞菁修饰的碳纳米管材料及其制备方法和应用,该镍酞菁修饰的碳纳米管材料的制备操作为:将碳纳米管按照质量体积比(50‑200)mg:20mL加入到有机溶剂Ⅰ中,在冰水浴下超声破碎处理得到溶液A;将镍酞菁按照质量体积比(5‑20)mg:20mL加入到有机溶剂Ⅱ中,在冰水浴下超声破碎处理得到溶液B;将溶液A和溶液B按照体积比1:1混合,先在室温下剧烈搅拌12‑36h,再于60‑120℃下进行真空干燥;其表现出高催化活性、良好的选择性、优异的导电性,既可用于电催化氧还原制备过氧化氢,又可用作固态电解质反应器阴极催化剂生产过氧化氢溶液。
Resumen de: CN120590940A
本发明公开了一种光致变色荧光碳点及制备方法和应用,制备方法包括以下步骤:步骤一:将碳酸盐加入N,N‑二甲基甲酰胺中,混合搅拌均匀;步骤二:加入1,4,5,8‑萘四甲酸酐,继续搅拌,获得混合溶液;步骤三:将混合溶液置于160~200℃烘箱中热解5~10小时,得到光致变色荧光碳点材料。本发明通过一步热解法获得具有光致变色的荧光碳点材料,与现有技术相比,本发明的制备方法制备时间短,过程简单,无需后处理,生产成本低。所制备的光致变色荧光材料还具有荧光颜色变化明显,荧光范围跨度大和可逆性好的优点,适用于信息加密和紫外线检测方面,适合大规模的生产和应用。
Resumen de: CN120590941A
本发明公开了一种以废弃咖啡渣为碳源的碳量子点的制备方法及碳点涂层抗菌织物的制备和应用,以咖啡渣为碳源采用水热法进行反应,经过合成溶液的离心、过滤、透析、蒸馏、冷冻干燥等步骤制备得到碳量子点。将织物以简单浸渍在碳点溶液的方式制备碳点涂层抗菌织物。碳量子点及碳点涂层织物的抗菌性通过对金黄色葡萄球菌的抑菌性评价。制得的碳点与金黄色葡萄球菌混合培养数小时之后,再将细菌溶液涂布在LB固体培养基上,继续在37℃培养箱中培养测其抗菌性。碳点涂层抗菌织物的抗菌性通过抑菌圈测试方法。测试发现制备的碳量子点及抗菌织物抗菌性强,满足各种抗菌材料的应用要求。
Resumen de: CN120590943A
本发明公开了一种有机‑无机杂化硼酸碳点固化剂及其在制备环氧树脂复合材料中的应用,由含有苯硼酸结构的前驱体R1‑C6H4‑B(OH)2、含有硅氧烷结构的前驱体R3‑(CH2)n‑Si(R2)3和溶剂通过水热/溶剂热反应制成。本发明的有机‑无机杂化硼酸碳点固化剂可兼具固化剂和填料作用,其表面丰富的官能团能有效固化环氧树脂,碳点纳米粒子则优化环氧树脂复合材料的力学性能和介电性能,实现环氧树脂复合材料综合性能的提升。
Resumen de: CN120589737A
本发明公开了一种板蓝根衍生碳点及其制备方法与应用,属于生物医用新材料技术领域。其是通过一步水热法生成碳化产物,再经过分离纯化得到所述板蓝根衍生的碳点。该碳点不含金属元素,无毒性,生物安全性高,且无论在体外还是体内均表现出良好的自由基清除活性和一定的类超氧化物歧化酶活性以及良好的生物相容性。基于此,该板蓝根衍生的碳点还表现出优良的抗炎活性,能够下调细胞的炎症水平、缓解AD线虫的瘫痪症状,缓解LPS诱导的小鼠记忆力下降并治疗LPS诱导的小鼠阿尔兹海默症,并可进一步应用于制备治疗神经退行性疾病的药物。
Resumen de: CN120589734A
本发明涉及一种肟酯型碳点光引发剂,其中所述碳点表面具有含肟酯结构部分的基团,并且所述碳点的平均粒径为1‑50nm。该类肟酯型碳点光引发剂作为光引发剂能够在200‑1200nm,尤其是250‑660nm范围内表现出良好的引发性能,可以有效地引发可光聚合单体,尤其是(甲基)丙烯酸酯类单体的光聚合反应。本发明还涉及该肟酯型碳点光引发剂的制备方法及其用途,该类肟酯型碳点光引发剂尤其适用于UV‑VIS LED光源固化。本发明的光引发剂生物毒性低,迁移率低,同时具有优良的生物相容性,可以用于光聚合材料及生物大分子等领域,而且合成路线简单,从而具有极高实用价值。
Nº publicación: CN120600792A 05/09/2025
Solicitante:
宁德新能源科技有限公司
Resumen de: CN120600792A
本申请提供一种硅碳材料及其制备方法、二次电池和电子装置,硅碳材料包括碳骨架和位于碳骨架的孔内的硅颗粒,硅碳材料包括第一硅碳颗粒和第二硅碳颗粒,粒径为R1的硅碳材料为第一硅碳颗粒,3μm≤R1≤6μm,第一硅碳颗粒的平均弹性模量为E1,30GPa≤E1≤65GPa;粒径为R2的硅碳材料为第二硅碳颗粒,6μm<R2≤15μm,第二硅碳颗粒的平均弹性模量为E2,68GPa≤E2≤168GPa。本申请提供的硅碳材料能够提高二次电池的循环性能和改善二次电池的膨胀。