Alerta

一种二氧化碳辅助制备碳纳米管的方法

Absstract of: CN120097328A

本发明提供了一种二氧化碳辅助制备碳纳米管的方法，以甲烷为碳源，二氧化碳为辅助气，在催化剂作用下，制得碳纳米管。利用二氧化碳减少甲烷作为碳源气体产生的积碳，提高单壁、双壁或三壁的碳纳米管质量和性能，以满足应用需求。

硅碳复合材料及其制备方法和锂离子电池

Absstract of: CN120097368A

本发明实施例公开的一种硅碳复合材及其制备方法和锂离子电池，制备方法包括如下步骤：步骤S1，获取多孔碳前驱体；步骤S2，将所述多孔碳前驱体置于流化床中并通入金属锂气体，进行锂掺杂处理，以及通入二氧化碳气体进行表面钝化处理，得到锂掺杂的多孔碳材料；步骤S3，利用硅烷裂解法向所述锂掺杂的多孔碳材料通入硅源和碳源进行处理得到所述硅碳复合材料。本发明实施例公开的硅碳复合材及其制备方法可以有效提升电子导电率、降低充放电不可逆容量的损失、提升首次效率及存储性能。

一种高比容量的硅碳负极材料及其在锂离子电池中的应用

Absstract of: CN120109153A

本发明涉及负极材料技术领域，具体涉及一种高比容量的硅碳负极材料及其在锂离子电池中的应用。本发明提供了一种通过硅碳前驱体煅烧得到的高比容量硅碳负极材料，采用改性三乙氧基硅烷和羧基化石墨烯在硅纳米颗粒表面的交联改性，显著提高了材料的循环性能和高电流密度下的比容量。该材料首次放电比容量高达1425.6mAh/g，经过2000次循环后仍保持900mAh/g以上，且适合快速充放电应用，在锂离子电池中具有广泛的应用前景。

METHOD FOR MODIFYING THE SURFACE OF A CARBON NANOCOMPOSITE, AND TIMEPIECE REGULATOR HAVING A FLEXIBLE PART INCORPORATING THE MODIFIED NANOCOMPOSITE

Absstract of: WO2025114588A1

The invention relates to a method for functionalizing and passivating a carbon surface (20a) of a carbon nanocomposite (20) configured to form a flexible part of a regulating member for a timepiece movement, to such a flexible part, to such a regulating member incorporating this flexible part and to a balance which cooperates therewith, and to use of a complex for functionalizing and passivating a carbon surface (20a) of such a carbon nanocomposite (20). The method according to the invention comprises a chemical reaction of the carbon surface (20a) with a complex which comprises: - a carbon chain which is a hydrocarbon or fluorocarbon chain, and - at a reactive carbon end of the chain, a salt of a diazonium group or of a precursor of said group, for covalent grafting of the reactive carbon end on the carbon surface (20a), and a passivation of the carbon surface (20a) that makes it hydrophobic.

System and Method for Producing Carbon Nanotubes

Absstract of: US2025178906A1

A carbon nanotube production system according to the present disclosure includes a reactor configured to generate a carbon nanotube fluid in a first direction; a conveyor unit which is arranged spaced apart from the reactor in the first direction, and comprises a mesh belt configured to capture carbon nanotube structures from the carbon nanotube fluid while continuously traveling in a second direction perpendicular to the first direction; and a collection unit configured to collect carbon nanotube units from the carbon nanotube structures.

COMPOSITIONS WITH LITTLE OR NO SOLVENT COMPRISING CARBON NANOTUBES AND AT LEAST ONE POLYMER

Absstract of: US2025179254A1

The present invention relates to compositions of carbon nanotubes which can be used in solid form, that is to say in the absence of solvent. These compositions comprise at least one polymer and are readily dispersible in formulations for the manufacture of electrodes for batteries and in particular Li-ion batteries in liquid or solid processes. The invention also relates to the process for obtaining these powders, to their use in the manufacture of electrodes for batteries, and also to the batteries comprising them.

MODIFIED POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

Absstract of: WO2025113416A1

A modified positive electrode material, a preparation method therefor and a use thereof. Elements are uniformly distributed inside particles of the modified positive electrode material, and the chemical formula of the modified positive electrode material is LiaFebMncMdPO4, M being a doping element. A gel is prepared by means of dissolving a raw material comprising particles used to prepare the modified positive electrode material in an organic solvent; the gel is heated and combusted to obtain a fluffy porous precursor powder; and the precursor powder is sintered to obtain the modified positive electrode material. By first preparing a gel and then heating and combusting, the final prepared modified positive electrode material has a uniform and stable element distribution, high crystallinity, and more ideal electrochemical performance.

- Highly heat-resistant carbon nanostructure-polymer composite and its manufacturing method

Absstract of: KR20250079766A

본 발명의 일 실시예는 고내열성 탄소나노구조체-고분자 복합재 및 이의 제조방법을 제공한다. 본 발명의 일 실시 예에 따른 고내열성 탄소나노구조체-고분자 복합재는 가교 고분자들이 탄소나노튜브 에어로겔 기공 사이에 갇혀 열에 의한 움직임이 제한되는 나노구속효과에 의해 열안정성이 효과가 있을 수 있다.

一种锂离子电池正极用导电浆料

Absstract of: CN120089746A

本发明公开了一种锂离子电池正极用导电浆料。包括以下物质：按重量份数计，1‑2份石墨烯、4‑5份改性聚合物、90‑100份N‑甲基吡咯烷酮；所述改性聚合物的制备工艺为：将改性碳纳米管、丙烯腈、丙烯酸甲酯、甲基丙烯磺酸钠、去离子水混合，室温下搅拌30‑40min，之后通入氮气除氧1‑2h，之后加入过硫酸铵，保护气氛下，升高温度至60‑70℃，反应3‑4h，之后继续升温至90‑100℃，反应3‑4h，反应结束后，过滤，洗涤，干燥，得到改性聚合物。有益之处：本发明通过对碳纳米管表面进行化学修饰，使其参与改性聚合物（聚丙烯腈粘结剂）的合成过程，从而使得该浆料在电池应用中，具有良好的导电性能和稳定性。

一种氮掺杂碳量子点、制备方法、应用、孔雀石绿检测装置及孔雀石绿检测方法

Absstract of: CN120082352A

本发明提供了一种氮掺杂碳量子点、制备方法、应用、孔雀石绿检测装置及孔雀石绿检测方法，其发射波长为561nm，处于黄光波段，因此能够与待检样品的自发荧光进行很好地区分，方便以肉眼检测孔雀石绿的残留。

一种负极材料及其制备方法和锂二次电池

Absstract of: CN120089705A

本发明公开了一种负极材料及其制备方法和锂二次电池。所述负极材料包括内核，所述内核从内至外包括多孔的碳纳米片和多孔的软碳包覆层，所述内核的内部和表面分布有纳米硅基材料，所述负极材料的最外层为硬碳包覆层。本发明的负极材料具有较好的结构稳定性，能够有效抑制硅的体积膨胀并增强硅基活性物质的分散，提升材料的电导性。采用该负极材料组装的锂二次电池具有较高的容量、首效和良好的循环性能。

一种高质量黑磷/碳复合材料的双区式合成方法

Absstract of: CN120081373A

本发明涉及电池原材料技术领域，本发明公开了一种高质量黑磷/碳复合材料的双区式合成方法，包括下列步骤：1)取红磷与碳材料混合后置于密闭且真空的石英管中；2)将所述石英管进行二次退火处理；3)进行球磨处理；4)准备异型双区石英管；5)将红磷与矿化剂放置于所述异型双区石英管的原料端；6)对所述异型双区石英管，抽真空、密封后，进行热处理；7)在真空环境下取出自然冷却的黑磷/碳复合材料，洗涤、过滤、干燥；本发明可将碳材料表面负载的均匀的红磷层转化为黑磷，能够保证黑磷材料良好的结晶度与片层结构，并得到不同规格的复合材料。

一种改性层状石墨烯及其制备方法和应用

Nº publicación: CN120081364A 03/06/2025

Applicant:

奎克化学（中国）有限公司

Absstract of: CN120081364A

本发明提供了一种改性层状石墨烯及其制备方法和应用，所述改性层状石墨烯由有机长链化合物对氧化石墨烯改性得到；所述氧化石墨烯的层数小于10层；所述有机长链化合物包括油酸和/或油酸酯。本发明提供的改性层状石墨烯能够改善油品在钢卷内部的迁移性，减少油膜流淌风险，稳固油膜涂敷厚度，优化油品使用性能进而提高生产效率，优化产品质量，改善应用环境。