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一种具有原位改性仿生结构的陶瓷轴承套圈及加工方法

Resumen de: CN122774412A

本发明公开了一种具有原位改性仿生结构的陶瓷轴承套圈及加工方法。现有陶瓷轴承在超高速下易因离心力导致接触区贫油烧伤，且传统涂层在高剪切应力下易剥落失效。本发明通过在陶瓷沟道涂覆前驱体浆料，利用超快激光执行烧蚀、改性一体化加工，构建出由菱形阵列组成的梯度仿生鲨鱼皮织构，并同步诱导生成纳米级原位改性润滑层。所述织构通过调节单体内部微脊宽度与沟槽深度的比例，实现了接触中心高承载与边缘强锁油的功能协同。原位润滑层与基体呈化学键合，解决了界面剥落难题，并能显著增强对润滑剂的吸附。本发明有效解决了超高速陶瓷轴承的润滑失稳难题，显著提升了其在极端工况下的服役寿命与性能。

一种磁性碳纳米管复合导电剂及极片、二次电池

Resumen de: CN122781878A

本发明提供一种磁性碳纳米管复合导电剂及极片、二次电池。该导电剂包括碳纳米管和多个负载在所述碳纳米管表面的磁性纳米颗粒，所述磁性纳米颗粒的粒径为5‑15nm，且在无外加磁场时无剩磁、无矫顽力，磁性纳米颗粒沿碳纳米管长度方向的分布密度为3‑10个/100nm。该方案有利于改善低导电性正极中的导电基础单元，优化电子传输路径，提高厚度方向传导效率，进而提升动力电池、储能电池等器件在厚电极、高负载场景下的倍率性能与循环稳定性。

一种直流电弧等离子体氧化协同改性单壁碳纳米角的制备方法

Resumen de: CN122771372A

本发明公开了一种直流电弧等离子体氧化协同改性单壁碳纳米角的制备方法，属于纳米碳材料技术领域。本发明首先在氮气气氛下通过直流电弧等离子体制备氮掺杂单壁碳纳米角，再经浓硝酸加热回流氧化引入含氧官能团，实现氧氮共掺杂单壁碳纳米角的可控制备。通过独立调控电弧放电参数和氧化工艺参数，可精确控制氮掺杂浓度、含氧官能团种类和缺陷结构。所得氧氮共掺杂单壁碳纳米角呈大丽花型球形结构，比表面积达800～1500m2/g，氮含量0～5at%，氧含量5.0～15.0at%。本发明解决了传统原位氮掺杂效率低、分布不均的问题，产物掺杂均匀、缺陷丰富、介电损耗性能优异，在2～18GHz范围内最小反射损耗≤‑25dB，适用于电磁吸波、电化学催化、能源存储等领域。

一种机器人关节用自润滑铝基复合材料及其制备方法

Resumen de: CN122773183A

0001 本发明涉及金属基复合材料技术领域，具体而言，涉及一种机器人关节用自润滑铝基复合材料及其制备方法。该铝基复合材料按质量分数计包括铝粉80%~90%、碳化硅粉末5%~10%、天然石墨鳞片4%~15%、碳纳米管0.1%~0.5%。其制备方法包括：将各组分混合均匀后进行冷等静压预成型，再将所得锭坯装入铝包套中抽真空并加热除气，最后在400~450℃下进行热等静压致密化，经后处理得到复合材料。本发明采用全粉末冶金工艺，通过天然石墨鳞片与碳纳米管的双重润滑协同作用，使材料同时具有优异的自润滑性能和高导热性能，致密度可达99.9%以上，热导率为183~195W/(m·K)，摩擦系数≤0.22，且组织均匀、加工性好，能够满足工业机器人对关节部件性能的严苛要求。

一种掺杂石墨负极材料及其制备方法和应用

Resumen de: CN122771378A

本发明公开了一种掺杂石墨负极材料及其制备方法和应用。本发明的制备方法为：将石墨基体经机械化学活化后浸入Ce3+盐溶液进行缺陷锚定，再浸入含氮源和磷源的混合溶液利用已锚定的Ce3+作为配位中心诱导形成Ce‑N‑P预配位簇，然后经分步限域热解形成N‑P共掺杂多孔碳壳层及离散岛状CeO2‑x纳米簇，最后快速淬火锁定Ce3+/Ce4+非平衡比例。所得材料中Ce3+/Ce4+摩尔比为(1.8~3.5):1，在‑20℃下可降低锂离子脱溶剂化活化能至少30%，具有优异的低温放电容量保持率和首次库仑效率。本发明提供了该材料在低温型锂离子电池中的应用，与含磷协同添加剂联用可进一步形成自限域低溶剂化能微区。本发明工艺可控、效果显著，适合规模化生产。

一种轴承滚动体表面自润滑涂层制备方法

Resumen de: CN122773275A

本发明公开了一种轴承滚动体表面自润滑涂层制备方法，对滚动体进行表面机械研磨处理；包埋于含有钛粉、铝粉、铬粉、氯化铵、氯化钠和氧化铝的混合粉末，在保护气氛下加热进行固相扩散反应，然后进行冷却、清洗、烘干，生成MAX相自润滑涂层；真空或保护气氛下进行分级退火，形成石墨润滑网络和硫化亚铁纳米岛；在含有硼氮磷共掺杂多孔碳纳米片的悬浮液中真空浸渍；固化处理，表面封孔处理，低温表面稳定化处理，渗入软金属润滑元素，得到滚动体表面自润滑涂层。本发明解决了物理气相沉积技术在滚动体表面制备自润滑涂层时存在涂层厚度分布不均和涂层与基体界面结合强度有限的问题，以及常规化学热处理所形成扩散层中缺乏自润滑功能相的问题。

一种利用废塑料热解气原位催化生长的碳纳米管及其制备方法

Resumen de: CN122771369A

本发明涉及废塑料资源化利用及碳纳米材料技术领域，具体涉及一种利用废塑料热解气原位催化生长的碳纳米管及其制备方法，包括以下步骤：S1，在氧化铝载体上负载镍‑铁双金属，得到负载型镍‑铁双金属催化剂；S2，将废塑料粉末置于管式炉上游，步骤S1中得到的负载型镍‑铁双金属催化剂置于管式炉恒温区，通入保护气，升温进行热解原位催化反应，得到碳纳米管；本发明中的这种碳纳米管的制备方法，解决了现有碳纳米管制备工艺中成本高、碳源依赖化石燃料、催化剂稳定性差且难以实现固废协同利用的问题。

一种非对称涂层复合隔膜及其干法制备方法与电池

Resumen de: CN122782110A

0001 本发明涉及锂离子电池技术领域，公开了一种非对称涂层复合隔膜及其干法制备方法与电池，复合隔膜包括多孔基膜，多孔基膜第一表面附着第一涂层，含70‑100份无机快离子导体粉末与0‑30份聚合物粉末；第二表面附着第二涂层，含5‑30份亲锂功能纳米颗粒粉末、50‑80份无机填料与15‑25份聚合物粉末。制备时采用无溶剂干法喷涂工艺将粉末附着于基膜两侧，经热固化建立点状锚固网络。本发明第一涂层在正极侧建立物理隔离避免基膜氧化降解，第二涂层在负极侧诱导锂离子二维扩散沉积以抑制枝晶生长；干法工艺避免了溶剂渗入堵死微孔，原位保留贯通孔道，有效降低了电池的离子传输阻抗，提升了电池的循环寿命与安全性能。

一种双功能催化剂及其制备方法

Resumen de: CN122773393A

本发明涉及一种双功能催化剂及其制备方法，本申请中，对农林废弃生物质进行处理，得到生物质粉末；将生物质粉末进行焦耳闪蒸炭化处理，得到炭化产物，并对炭化产物进行酸洗除杂、水洗至中性后干燥，得到自支撑多孔生物质炭载体；称取FeCl36H2O、CoCl26H2O、NiCl26H2O，得到目标金属混合物，将目标金属混合物溶解于混合溶剂中并搅拌至完全溶解，得到混合金属浸渍液；将自支撑多孔生物质炭载体浸入混合金属浸渍液中，得到浸渍后的混合物，并进行真空干燥，得到生物质炭中间体；将生物质炭中间体置于管式炉中，原位还原生成FeCoNi三元纳米合金，进行冷却处理、研磨筛分处理，得到双功能催化剂。

一种二维片状富氮相LiMoN2材料及其制备方法和在锂硫电池中应用

Resumen de: CN122771424A

本发明公开了一种二维富氮相LiMoN2材料的制备方法，包括以下步骤：1）将锂盐加入极性溶剂中，形成锂盐溶胶，再与钼基化合物进行球磨混合；2）将所得前驱体浆料放入液氮中，冷冻干燥得前驱体粉末；3）将所得前驱体粉末在惰性气氛下进行中温预处理，然后通入含氮气氛进行热氮化处理；4）将所得混合物进行水洗或酸洗除去副产物，干燥，得二维富氮相LiMoN2材料。本发明所述二维片状富氮相LiMoN2材料可促进多硫化物的还原转化以及放电终产物Li2S的氧化解离，具有优异的锂硫电池催化活性；将其应用于锂硫电池正极中，可显著提高锂硫电池的容量和循环稳定性，提升硫的电化学利用率并延长电池的使用寿命。

一种硅藻基多孔硅复合材料及其制备方法和应用

Resumen de: CN122771389A

本发明涉及锂离子电池负极材料技术领域，尤其涉及一种硅藻基多孔硅复合材料及其制备方法和应用。本发明将硅藻土和酸性溶液混合，进行纯化，得到高纯硅藻土；对高纯硅藻土进行焙烧，得到多孔二氧化硅；将多孔二氧化硅、镁粉、钛源混合后，在惰性气氛下进行煅烧，得到镁钛共掺杂的多孔硅；将镁钛共掺多孔硅进行酸浸除杂，得到硅藻基多孔硅；将硅藻基多孔硅、锡源、单壁碳纳米管、聚丙烯酸和水混合，进行水热反应，得到复合中间体；在惰性气氛下，对复合中间体进行退火，得到硅藻基多孔硅复合材料。本发明通过晶格掺杂、异质结界面、长程导电网络和柔性缓冲层的策略，成功解决了硅负极体积膨胀大、导电性差、SEI膜不稳定、循环寿命短等核心问题。

高长径比单壁碳纳米管基NMP油系导电浆料及其制备工艺

Resumen de: CN122781881A

本发明属于电池浆料制备技术领域，具体涉及一种高长径比单壁碳纳米管基NMP油系导电浆料及其制备工艺，将氢氧化铁均匀胶体溶液负载到TiO2‑Al2O3载体上，制备单壁碳纳米管粗品，酸洗纯化后、高温氧化纯化，得单壁碳纳米管；单壁碳纳米管和分散剂加入到N‑甲基吡咯烷酮中，水浴超声分散得单壁碳纳米管分散液；将N‑甲基吡咯烷酮和PVDF混合，得胶体，将胶体和单壁碳纳米管分散液混合，分散均匀后加入活性物质，得导电浆料。本发明中在NMP作为溶剂的油系导电浆料中，经过聚芴衍生物进行选择性分散的高长径比的单壁碳纳米管作为导电剂，构建稳定的三维导电网络，显著提升了锂离子电池的导电性和倍率性能。

一种BC电池制备方法及BC电池

Resumen de: CN122784196A

本申请提供的一种BC电池制备方法及BC电池。该制备方法包括：提供衬底；在衬底的一侧制备第一导电类型钝化接触叠层；在第一导电类型钝化接触叠层背离衬底的一侧制备含有聚酰胺酸‑二氧化硅杂化纳米粒子的初始掩膜，经氧等离子体灰化处理，形成改性掩膜；采用碱性刻蚀液刻蚀，去除第一导电类型钝化接触叠层；在衬底背侧制备第一钝化膜，在衬底正侧制备第二钝化膜；在第一导电类型钝化接触叠层和第二导电类型钝化接触叠层背离衬底的一侧，分别制备第一导电类型金属电极和第二导电类型金属电极。本发明实施例的技术方案，在掩膜底表面不会留下粗糙的腐蚀坑，改善边缘钻蚀效果，提升电池寿命。

FLEXIBLE AND HIGH SENSITIVITY OPTICAL NANOSENSOR BASED ON LASER INDUCED GRAPHENE AND IRON OXIDE NANOHYBRIDS

Resumen de: WO2026190768A1

The present invention discloses a flexible optical mechanical nanosensor based on a laser induced graphene and iron oxide nanohybrid structure for simultaneous optical and mechanical sensing. A porous conductive graphene network is formed on a flexible polyimide substrate through controlled carbon dioxide laser irradiation. Iron oxide nanoparticles are generated and stabilized within the graphene framework through fiber laser induced photothermal conversion forming an interconnected FeO@LIG nanohybrid structure. The structure improves optical absorption charge transport carrier separation and photoelectric response while reducing electron hole recombination. A polydimethylsiloxane encapsulation layer enhances flexibility stability and durability. The nanosensor exhibits rapid response high sensitivity and stable multimode sensing performance under ultraviolet visible and mechanical stimulation. The scalable laser based fabrication process is suitable for wearable electronics biomedical monitoring flexible optoelectronic devices and environmental sensing applications.

METHOD FOR PRODUCING SEMICONDUCTOR QUANTUM DOTS

Resumen de: US20260275188A1

0000 A catalyzing agent is provided that includes a de novo protein bound to a pyridoxal phosphate (PLP), wherein the de novo protein comprises an amino acid sequence matching a binary pattern of polar (P) and nonpolar (N) amino acids, and wherein the de novo protein is a PLP binding de novo Protein. A system is provided for producing a semiconductor nanocrystal that includes a buffer solution containing a metal salt, a sulfur-containing substrate in the buffer solution, and a de novo protein in the buffer solution, wherein the de novo protein comprises an amino acid sequence matching a binary pattern of polar (P) and nonpolar (N) amino acids, and wherein the de novo protein is a PLP binding de novo Protein.

METHOD AND SYSTEM FOR DESALINATING SALTWATER

Resumen de: WO2026193417A1

A desalination system includes a vessel comprising first and second compartments, each compartment comprising a hydrogel-containing material, the second compartment comprising an input to receive saline water and the first compartment comprising an output for desalinated water and a support-free osmosis membrane positioned at an interface between the first and second compartments to convert saline water to desalinated water. The hydrogel-containing material comprises electrically conductive nanomaterials having immobilized thereon a reversible hydrogel that is capable of absorbing water by forming bonds with water molecules and of releasing at least a fraction of the absorbed water upon being heated above a critical temperature.

WATER RESTRICTED SYNTHESIS OF ENZYME MIMETIC CERIUM OXIDE AND SILVER CERIUM OXIDE COMPOSITE NANOPARTICLES

Resumen de: WO2026193028A1

A method for manufacturing cerium oxide nanoparticles (CNPs) is disclosed including ageing in a closed system un-aged cerium oxide nanoparticles in a solution that uses at least one accelerant to speed up peroxy ligand conversion of CNPs and accelerates evolution. The at least one accelerant is selected from a group consisting of ethanol mixed with between 1% and 5% water, low heat of 90°-115°F applied to the closed system to heat the solution only after crash-out of the solution that is without an ingredient that incudes wholly un-stabilized hydrogen peroxide, wholly un-stabilized hydrogen peroxide mixed in the solution prior to aging in the closed system, low heat of 90°-115°F applied to the closed system to heat the solution that includes wholly un-stabilized hydrogen peroxide, and a form factor ratio of a vessel of the closed system where the ageing takes place. A method of manufacturing AgCNPs is also disclosed.

BIOFUNCTIONAL DATE SEED DERIVED CARBON QUANTUM DOTS LOADED BIOPOLYMER FILM FOR MUSHROOM PRESERVATION

Resumen de: US20260274536A1

Provided are new food packaging materials and methods of making new food packaging materials using alginate incorporated with carbon quantum dots (CQDs) derived from date seeds. The date seed-derived CQDs, synthesized via a hydrothermal process, exhibit luminescence, hydrophilicity, antioxidant, and antimicrobial properties. When incorporated into alginate films at varying concentrations, the CQDs significantly enhance the flexibility, controlled water vapor transmission, and functional attributes of the packaging material film. In some embodiments, the CQD-loaded films effectively preserve mushrooms at room temperature for seven days, preventing spoilage by regulating gas exchange and minimizing moisture buildup. This sustainable, biodegradable new food packaging material overcomes the limitations of conventional polyethylene films, which foster spoilage and environmental harm. This invention provides a cost-effective, environmentally friendly solution to extend the shelf life of perishable foods while leveraging biological waste for advanced, high-performance food packaging materials.

INDEX-MATCHED, BULK-SCATTERING OPTICAL FIBERS FOR ENHANCING PHOTOSYNTHESIS BY PHOTOSYNTHETIC MICROORGANISMS AND TO METHODS OF PREPARING AND USING THE SAME

Resumen de: US20260276865A1

0000 An index-matched, bulk scattering optical fiber for use during photosynthesis by a photosynthetic microorganism includes a hydrogel matrix and a plurality of nanoparticles dispersed in the hydrogel matrix. A weight fraction of the nanoparticles in the hydrogel matrix ranges from greater than 0 weight percent to less than or equal to about 0.36 weight percent. A method of using the optical fiber includes contacting the optical fiber and the photosynthetic microorganism. A photobioreactor for use during photosynthesis by a photosynthetic microorganism includes a housing that defines a cavity, the cavity being configured to receive a photosynthetic microorganism and the optical fiber.

MULTI-LEVEL COUNTERFEIT PROTECTION USING DNA

Resumen de: WO2026193342A1

There is a demand for reliable, durable, and accurate methods of authentication in markets of specialty goods, e.g., luxury items, and/or security-sensitive products. Currents methods of object authentication, including the incorporation of extrinsic and/or intrinsic markers, remain amenable to counterfeiting. This disclosure provides methods of object authentication and counterfeit protection using DNA sequences and associated spectroscopic markers, including DNA sequences encoding data strings, DNA sequences comprising multi-level authentication, and methods of synthesizing said DNA sequences.

METHODS TO IMPROVE BIOPRODUCT PRODUCTION IN CYANOBACTERIA

Resumen de: US20260275393A1

The present invention relates to methods, compositions, and systems for modulating cellular metabolism in cyanobacteria, particularly F. diplosiphon, through the administration of nanoparticles including zero-valent iron nanoparticles (nZVIs) and titanium dioxide nanoparticles (n-TiO2), β-lactam antibiotics such as ampicillin, or combinations thereof. The disclosed methods enable controlled alteration of adenosine triphosphate (ATP) concentrations, ATP synthase expression, lactate metabolism, photosynthetic efficiency (Fv/Fm), reactive oxygen species (ROS) levels, thylakoid membrane morphology, and monounsaturated fatty acid (MUFA) production. A combination regimen of ampicillin and nZVIs partially rescues ATP levels otherwise depressed by nZVI treatment alone and enhances MUFA production. Administration of n-TiO2 at optimal concentrations enhances ATP synthase expression, photosynthetic efficiency, and growth in a strain-specific manner. Applications include sustainable biofuel synthesis and bioproduct manufacturing.

金属・合金ナノ粒子内包シクロデキストリン系金属有機構造体及び金属・合金ナノ粒子内包シクロデキストリン系金属有機構造体の製造方法

Resumen de: JP2026147750A

【課題】金属ナノ粒子の特性をより引き出すことのできる金属・合金ナノ粒子内包シクロデキストリン系金属有機構造体及び金属・合金ナノ粒子内包シクロデキストリン系金属有機構造体の製造方法を提供する。【解決手段】シクロデキストリンとアルカリ金属を含む、立方体形状のシクロデキストリン系金属有機構造体と、前記シクロデキストリン系金属有機構造体に内包された金属ナノ粒子と、を有し、前記金属ナノ粒子は、Ｉｒ、Ｒｕ、Ｍｎ，Ｃｏ，Ｎｉ，Ｃｕ及びＺｎからなる群から選択される少なくとも一種の金属ナノ粒子を含む。【選択図】図１

水電解装置、及び水電解方法

Resumen de: JP2026147522A

0001 【課題】電解時間が経過しても水電解装置としての電解性能の劣化を防ぐ。 【解決手段】本開示に係る水電解装置は、アルカリ水溶液である電解液が供給される水電解セルと、電解液が貯留される電解液貯留タンクと、電解液貯留タンクと水電解セルとを接続し、前記電解液が流れる配管である電解液ラインと、電解液ラインに設けられて、電解液中のスケール成分を吸着可能なナノ粒子を供給するナノ粒子供給部と、を備える。 【選択図】図５

METHOD FOR FABRICATION OF ADDITIVELY MANUFACTURED, SELF-GELLING STRUCTURES AND THEIR USE

Resumen de: US20260273146A1

0000 Disclosed are Self-Gelling materials and structures or materials or structures having one or more self-gelling components that overcome existing gel limitations due to hydrogel localization for medical applications by providing, for example, 1) microstructurally, or physically, anchored characteristics to help localize the gel, and the overall printed, or otherwise formed structure, giving structural form to the gel that allows the gel to be localized within the body, and even sutured in place, and mitigates gel migration and extends its residence time; 2) to provide an underlying 3D printed structure to help contain and support the gel after implantation; and more. Self-Gelling 3D printed structures may be further processed via milling to yield deconstructed scaffold micro-granules, with the composition and nano-/micro-structure of the original larger structure. Deconstructed scaffold micro-granules may be hydrated to form a micro-granule embedded gel network that can be injected, giving form to injectable gels.

CARBON NANOTUBE MONOLAYER FILM, METHOD OF PREPARING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME

Nº publicación: US20260282732A1 17/09/2026

Solicitante:

SAMSUNG ELECTRONICS CO LTD [KR]
Samsung Electronics Co., Ltd.

Resumen de: US20260282732A1

A method of preparing a carbon nanotube monolayer film includes applying a bifunctional hydrogen-bond linker onto a substrate to prepare a surface-treated substrate, mixing carbon nanotubes having a heteroatom-containing aromatic polymer coating film with a hydrophobic solvent to obtain a composition and contacting the surface-treated substrate with the composition, and heat-treating the surface-treated substrate contacting the composition.