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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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一种无定型中空碳纳米管及其制备方法

NºPublicación: CN110817845A 21/02/2020

Solicitante:

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Resumen de: CN110817845A

本发明涉及一种无定型中空碳纳米管及其制备方法,所述无定型中空碳纳米管的内径为50‑100nm,厚度为10‑20nm,管长为1‑5μm,所述无定型中空碳纳米管的碳壁为多孔无定型结构,所述无定型中空碳纳米管的内壁附着有多个纳米颗粒。所述无定型中空碳纳米管是以氧化锌为模板,酚醛胺树脂为碳源,经低温热处理、盐酸刻蚀得到。本发明利用金属纳米颗粒的亲锂/钠性对锂/钠金属实现引导作用,将锂/钠金属的沉积和剥离过程限制在碳管的空腔内部,实现抑制枝晶生长、限制锂/钠金属沉积和剥离过程中产生的体积变化以及稳定负极/电解质界面的效果,对构建稳定高效的锂/钠金属电池具有重要应用价值。

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利用微波辅助法合成石墨烯包覆MnO纳米材料的方法及应用

NºPublicación: CN110817967A 21/02/2020

Solicitante:

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Resumen de: CN110817967A

本发明公开了利用微波辅助法合成石墨烯包覆MnO纳米材料的方法及应用。本发明合成方法:先通过溶剂热法制备MnO纳米线,所制得的MnO均匀分散在水中;将氧化石墨烯溶解在水中,并与MnO溶液均匀混合,将混合液冻干后得到MnO@GO粉末;将MnO@GO粉末放入管式炉中在Ar气氛围下煅烧,然后取出放入充满Ar气的密闭小玻璃瓶中,通过微波瞬间高温加热,制得石墨烯包覆MnO纳米材料。本发明以MnO为前驱体,通过低温退火,然后微波瞬间高温加热得到MnO@G,该方法通过微波瞬间高温还原石墨烯,并能有效修复石墨烯的缺陷,获得高导电性的石墨烯导电网络,同时获得均匀分散在石墨烯上的MnO纳米颗粒,将MnO@G复合纳米材料用于锂离子电池负极中,表现出优异的电化学性能。

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一种氮磷共掺石墨烯量子点及其制备方法

NºPublicación: CN110817850A 21/02/2020

Solicitante:

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Resumen de: CN110817850A

本发明提供一种氮磷共掺石墨烯量子点及其制备方法,所述制备方法包括以下步骤:将1,3,6‑三硝基芘与氮磷共掺杂源以重量比1:20~30加入去离子水中,调节pH至11~12,超声分散后,在160~200℃下水热反应5~8h,冷却后,过滤,透析,冷冻干燥,得到氮磷共掺石墨烯量子点。该方法是以氮磷共掺杂源同时作为氮源和磷源,避免了引入其它杂质原子,且采用一步简单水热法制备得到的,工艺简单,原料及设备价格低廉,适用于工业化生产。将制备得到的氮磷共掺石墨烯量子点与锐钛矿型TiO复合后得到的光催化复合材料在紫外光照射下,10分钟光催化效率可达近90%,表现出优异的光催化性能。

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一种低共熔溶剂、其应用和碳量子点及其制备方法

NºPublicación: CN110817843A 21/02/2020

Solicitante:

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Resumen de: CN110817843A

本发明涉及碳材料制备的技术领域,具体公开一种低共熔溶剂、其应用和碳量子点及其制备方法。所述低共熔溶剂由摩尔比为1:7‑9的硝基咪唑类化合物和醇类化合物制备而成。所述碳量子点制备方法为:将所述低共熔溶剂与纤维素纳米晶体反应制得。制备的碳量子点的直径分布为1‑5nm,荧光量子产率为20‑25%,具有良好的光致发光性和高耐光性,且本发明提供的制备方法,不但减少了制备过程中产生的污染,提高了物料利用率,而且工艺简单,操作方便,成本低廉,低毒环保,是一种低成本、生态友好以及资源节约型的制备方法,具有广阔的应用前景。

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INDIGO-BASED POLYMERS FOR USE IN SWCNTS ELECTRONICS

NºPublicación: WO2020035793A1 20/02/2020

Solicitante:

NAT RES COUNCIL CANADA [CA]

Resumen de: WO2020035793A1

A compound of Formula (0): where Ar is one or more substituted or unsubstituted aromatic units, R is independently H, F, CN, a C1-C20 linear or branched aliphatic group or a C1-C20 linear or branched aliphatic acyl group, and n is an integer 3 or greater, is useful for sorting and dispersing carbon nanotubes (CNTs) and for producing printed electronic devices (e.g. CO2 sensors, TFTs) in which the CNTs are functionalized with the compound.

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CARBON NANOTUBE, CARBON-BASED FINE STRUCTURE, AND SUBSTRATE HAVING CARBON NANOTUBE, AND METHOD RESPECTIVELY FOR PRODUCING THESE PRODUCTS

NºPublicación: US2020055733A1 20/02/2020

Solicitante:

TAIYO NIPPON SANSO CORP [JP]

KR_20190120753_A

Resumen de: US2020055733A1

Carbon nanotubes have at least one crystal defect in a region between a first end and a second end of the carbon nanotubes, of which a ratio (G/D) between an intensity IG of a peak caused by a graphite structure appearing in a G band around 1580 cm−1 and an intensity of ID of a peak caused by various defects appearing in a D band around 1360−1 in Raman spectrum obtained at an excitation wavelength of 632.8 nm is in a range of 0.1 to 0.5.

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METHOD FOR ENHANCING TENSILE STRENGTH OF CARBON NANOTUBE FIBER AGGREGATE

NºPublicación: US2020055734A1 20/02/2020

Solicitante:

LG CHEMICAL LTD [KR]

JP_2019535913_A

Resumen de: US2020055734A1

The present invention relates to a method for enhancing tensile strength of a carbon nanotube (CNT) fiber aggregate, comprising dispersing a CNT fiber aggregate with chlorosulfonic acid (CSA), followed by thermal treatment, wherein a particular magnitude of tension is applied upon the thermal treatment, whereby the CNT fiber aggregate is increased in alignment level and tensile strength.

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PROCESS AND APPARATUS FOR SYNTHESIZING MULTIWALL CARBON NANOTUBES FROM HIGH MOLECULAR POLYMERIC WASTES

NºPublicación: WO2020036532A1 20/02/2020

Solicitante:

NGEE ANN POLYTECHNIC [SG]

Resumen de: WO2020036532A1

This invention relates to a process and an apparatus for synthesizing multiwall carbon nanotubes from high molecular polymeric wastes. The process comprises using induction heating in combination with catalytic chemical vapour deposition (CVD) with an array of catalytic materials to synthesize high value carbon nanotubes with better yield and purity from high molecular polymeric wastes.

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一种碳化钛-石墨烯复合材料及其制备方法和应用

NºPublicación: CN110803704A 18/02/2020

Solicitante:

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Resumen de: CN110803704A

本发明属于锂离子电池材料技术领域,尤其涉及一种碳化钛‑石墨烯复合材料及其制备方法和应用。本发明提供的碳化钛‑石墨烯复合材料的制备方法,包括以下步骤:将Ti粉、Al粉和C粉混合,进行无压烧结,得到TiAlC粉末;将所述TiAlC粉末进行腐蚀,得到二维碳化钛粉末;将所述二维碳化钛粉末进行真空煅烧,得到类石墨烯二维层状碳化钛纳米片;将所述类石墨烯二维层状碳化钛纳米片与石墨烯混合,进行球磨,得到碳化钛‑石墨烯复合材料。实施例表明,本发明的碳化钛‑石墨烯复合材料用于锂离子电池,其0.1C首次比容量可达1100mAh/g,1C容量保持率可达96%,0.1C 500次循环容量保持率可达93%。

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一种纳米替硝唑碳点及其制备方法和应用

NºPublicación: CN110790258A 14/02/2020

Solicitante:

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Resumen de: CN110790258A

本发明公开了一种纳米替硝唑碳点及其制备方法和应用,属于医药技术领域,包括以下步骤:配置浓度为0.1~0.3mol/L的替硝唑溶液,将替硝唑溶液在180~250℃温度下进行水热反应制得产物粗品,产物粗品经过孔径为0.22μm的膜过滤、截留分子量为800Da的透析袋透析、干燥,制得纳米替硝唑碳点;本发明以替硝唑为前药,通过水热条件将替硝唑药物制备成碳点药物,所得到的替硝唑基碳点药物具有小的纳米尺寸和替硝唑的抑菌功能,同时对专性厌氧菌具有选择性抗菌活性,甚至可以穿透细菌生物膜实现深层杀菌,从而可以最大化药物的效果。

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一种单壁碳纳米管批量化的制备方法

NºPublicación: CN110790259A 14/02/2020

Solicitante:

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Resumen de: CN110790259A

本发明公开了一种单壁碳纳米管批量化的制备方法,属于碳纳米材料制备技术领域。本发明要解决现有制备单壁碳纳米管方法不易批量化的技术问题。本发明方法:步骤一、将金属有机化合物加到有机溶剂中,乳化处理,配置成催化剂前驱体溶液;步骤二、将步骤一获得的催化剂前驱体溶液、还原性气体、惰性气体和碳源气体持续通入保温在600℃‑1500℃的反应装置中,持续反应,得到单壁碳纳米管。本发明方法获得的单壁碳纳米管可应用于多种材料的导电添加剂。本发明的方法能耗低,原材料环保,价格低。本发明的单壁碳纳米管具有高纯度、管径均一度好且能够批量化制备等优点。

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低温熔盐法制备氮硫双掺杂石墨烯负极材料的制备方法

NºPublicación: CN110790262A 14/02/2020

Solicitante:

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Resumen de: CN110790262A

本发明涉及一种低温熔盐法制备氮硫双掺杂石墨烯负极材料的制备方法:将氧化石墨烯均匀分散于去离子水中,将硫氰酸钾溶解于去离子水中,将上述分散液和盐溶液均匀混合,干燥得到复合物。后将复合物置于充满惰性气体的管式炉中充分反应,反应结束后,将反应产物用大量去离子水洗涤,干燥后得到氮硫双掺杂石墨烯负极材料。与现有技术相比,本发明采用廉价易得的工业品为原料,避免使用高温煅烧,具有合成工艺简单、可控性强、成本低廉、原料广泛及批量化制备等特征。制备的氮硫双掺杂石墨烯作为锂离子电池负极材料,具有容量高、循环稳定性好等优势。

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一种一锅法同时制备碳量子点和多孔碳的方法

NºPublicación: CN110790256A 14/02/2020

Solicitante:

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Resumen de: CN110790256A

本发明涉及一种一锅法同时制备碳量子点和多孔碳的方法,步骤如下:⑴称取玉米芯木质素,加入磷酸,再加入去离子水,直至分散均匀,随后转入高温高压环境中,保温、搅拌,停止加热;⑵混合液取出、抽滤,将固体残渣与液体分离,所得液体进行透析处理,经旋蒸、冷干得掺杂氮、磷元素的碳量子点固体;⑶将收集到的固体残渣在惰性气体氛围下进行碳化,即得掺杂氮、磷元素的多孔碳。本方法是以玉米芯木质素为原料制备具有高荧光性能的碳量子点和比表面积大、导电性高的多孔碳材料,将原料充分利用,实现零浪费,对于提高木质素的高效、高值化应用,解决能源危机和环境保护具有重要意义。

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GRAPHENE AND POWER STORAGE DEVICE, AND MANUFACTURING METHOD THEREOF

NºPublicación: US2020052299A1 13/02/2020

Solicitante:

SEMICONDUCTOR ENERGY LAB [JP]

JP_2020013799_A

Resumen de: US2020052299A1

The formation method of graphene includes the steps of forming a layer including graphene oxide over a first conductive layer; and supplying a potential at which the reduction reaction of the graphene oxide occurs to the first conductive layer in an electrolyte where the first conductive layer as a working electrode and a second conductive layer with a as a counter electrode are immersed. A manufacturing method of a power storage device including at least a positive electrode, a negative electrode, an electrolyte, and a separator includes a step of forming graphene for an active material layer of one of or both the positive electrode and the negative electrode by the formation method.

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SUPPORTED CATALYST, CARBON NANOTUBE ASSEMBLY, AND PREPARATION METHOD THEREFOR

NºPublicación: US2020047164A1 13/02/2020

Solicitante:

LG CHEMICAL LTD [KR]

JP_2015531314_A

Resumen de: US2020047164A1

The present invention relates to an impregnated supported catalyst, a carbon nanotube aggregate, and a method for producing the carbon nanotube aggregate. The carbon nanotube aggregate includes a four-component catalyst in which catalytic components and active components are supported on a granular support, and bundle type carbon nanotubes grown on the catalyst. The carbon nanotube aggregate has an average particle diameter of 100 to 800 μm, a bulk density of 80 to 250 kg/m3, and a spherical or potato-like shape.

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NANOCARBON SEPARATION METHOD

NºPublicación: US2020047122A1 13/02/2020

Solicitante:

NEC CORP [JP]

JP_WO2018159001_A1

Resumen de: US2020047122A1

A nanocarbon separation method includes: a step of preparing a plurality of liquids with different specific gravities in which at least one of the plurality of liquids is a dispersion liquid in which a mixture of nanocarbons with different properties is dispersed; a step of sequentially injecting the plurality of liquids into an electrophoresis tank so that the specific gravities of the liquids decrease from a bottom to a top of the liquids in a direction of gravitational force; and a step of separating the mixture of the nanocarbons by moving a part of the mixture toward an electrode side disposed in an upper part of the electrophoresis tank and moving a remainder of the mixture toward an electrode side disposed in a lower part of the electrophoresis tank by applying a direct current voltage to the electrodes.

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HIGHLY CONDUCTING AND TRANSPARENT FILM AND PROCESS FOR PRODUCING SAME

NºPublicación: US2020051709A1 13/02/2020

Solicitante:

GLOBAL GRAPHENE GROUP INC [US]

US_2014235123_PA

Resumen de: US2020051709A1

An optically transparent and electrically conductive film composed of metal nanowires or carbon nanotubes combined with pristine graphene with a metal nanowire-to-graphene or carbon nanotube-to-graphene weight ratio from 1/99 to 99/1, wherein the pristine graphene is single-crystalline and contains no oxygen and no hydrogen, and the film exhibits an optical transparence no less than 80% and sheet resistance no higher than 300 ohm/square. This film can be used as a transparent conductive electrode in an electro-optic device, such as a photovoltaic or solar cell, light-emitting diode, photo-detector, touch screen, electro-wetting display, liquid crystal display, plasma display, LED display, a TV screen, a computer screen, or a mobile phone screen.

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Methods for Nondestructive Dispersing of Carbon Nanomaterials in Water

NºPublicación: US2020048489A1 13/02/2020

Solicitante:

UNIV MARYLAND [US]

Resumen de: US2020048489A1

A method termed “superacid-surfactant exchange” (S2E) for the dispersion of carbon nanomaterials in aqueous solutions. This S2E method enables nondestructive dispersion of carbon nanomaterials (including single-walled carbon nanotubes, double-walled carbon nanotubes, multi-wall carbon nanotubes, and graphene) at rapidly and at large scale in aqueous solution without a requirement for expensive or complicated equipment. Dispersed carbon nanotubes obtained from this method feature long length, low defect density, high electrical conductivity, and in the case of semiconducting single-walled carbon nanotubes, bright photoluminescence in the near-infrared

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PROCESS FOR GASIFICATION OF A CARBONACEOUS RAW MATERIAL OF LOW VALUE AS A FUEL USING A NANOCATALYST

NºPublicación: WO2020028963A1 13/02/2020

Solicitante:

PETROLEO BRASILEIRO SA PETROBRAS [BR]

Resumen de: WO2020028963A1

The present invention describes a mixture comprising carbonaceous raw material of low value as a fuel and a nanocatalyst. The catalytic mixture comprises from 1% to 50% by weight of a nanocatalyst; and from 99% to 50% by weight of carbonaceous raw material selected from petroleum coke, coal, petroleum residual heavy fraction, or a mixture thereof. The nanocatalyst comprises a carbon nanomaterial in a concentration of between 99.99% and 80% by weight and at least one alkali metal in a concentration of between 0.01% and 20% by weight, based on the total weight of the nanocatalyst, and the specific surface area of the nanocatalyst varies between 400 and 1300 m2/g. Furthermore, the present invention also describes a process of gasification of the catalytic mixture which comprises the steps of placing the mixture in a gasifier; heating the mixture in the presence of an oxidizing agent selected from air, pure oxygen, carbon dioxide, water vapour, or a mixture thereof at a temperature that varies between 200 and 1300ºC; and obtaining a gaseous product comprising H2, CO, CO2, CH4.

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SINGLE METAL ATOM OR BIMETALLIC ALLOY HETEROGENEOUS CATALYSTS ON A CARBONACEOUS SUPPORT PRODUCED BY METAL PRECURSOR DEPOSITION ON EXOELECTROGEN BACTERIA AND PYROLYZING

NºPublicación: WO2020031090A1 13/02/2020

Solicitante:

UNIV KING ABDULLAH SCI & TECH [SA]

Resumen de: WO2020031090A1

Carbon-based single metal atom or bimetallic, trimetallic, or multimetallic alloy transition metal-containing catalysts derived from exoelectrogen bacteria and their methods of making and using thereof are described. The method comprising the steps of: (a) preparing a solution medium comprising at least an electron donor and an electron acceptor comprised of one or more salts of a transition metal; (b) providing exoelectrogen bacterial cells and mixing the exoelectrogen bacterial cells into the solution medium of step (a); (c) incubating the solution medium of step (b); (d) isolating the exoelectrogen bacterial cells from the incubated solution medium of step (c); and (e) pyrolyzing the exoelectrogen bacterial cells resulting in formation of the catalyst. The electron donor can be formate, acetate, or hydrogen.

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BIOBASED POLYESTER BLENDS WITH ENHANCED PERFORMANCE PROPERTIES

NºPublicación: WO2020032931A1 13/02/2020

Solicitante:

NORTHERN TECH INTERNATIONAL CORPORATION [US]

Resumen de: WO2020032931A1

The invention relates to a biodegradable and compostable blend of polylactic acid, a compostable polyester with or without carbon based biocontent, polyethylene glycol, and optionally an inorganic talc filler that have greatly increased elongation, flexibility, and tensile toughness as measured by tensile test ASTM D638-10. These blends of PLA with 5-30% of said polyester, about 10% PEG, and about 5% of an inorganic talc filler unexpectedly increased the elongation to 750+ % for molded test bars. Additionally, 4 mil films showed a max tear strength of about 1200 gms (in MD) and 900 gms (in TD) measured by ASTM D1922-09 while maintaining other preferable properties.

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一种扩大纳米多孔金熔化点和凝固点范围的方法

NºPublicación: CN110777380A 11/02/2020

Solicitante:

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Resumen de: CN110777380A

本发明公开了一种扩大纳米多孔金熔化点和凝固点范围的方法,先利用脱合金方法制备纳米多孔金即NPG;再将制备的NPG作为催化剂,进行催化CH热解反应,整个气体系统先在常压下用惰性气体冲洗40分钟,然后引入CH气体,再加热至346℃,发生明显的催化现象,制得石墨烯束缚下的NPG。本发明的NPG完全熔化和完全凝固的温度范围扩大到270℃左右,有望扩展石墨烯和NPG的应用范围,也对熔化点和晶体的过热的研究起到了促进作用。

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一种石墨烯包裹的电极材料NiP@rGO及其制备方法与应用

NºPublicación: CN110759333A 07/02/2020

Solicitante:

\u534E\u5357\u7406\u5DE5\u5927\u5B66,
\u897F\u5317\u5927\u5B66

Resumen de: CN110759333A

本发明公开了一种石墨烯包裹的电极材料NiP@rGO及其制备与应用。NiP纳米粒子均匀被rGO纳米薄片包裹。制备步骤主要是将镍盐和氧化石墨烯加入到甲醇和DMF的混合溶剂中水热得到石墨烯镍的前驱体。然后通过磷化处理得到石墨烯包裹的电极材料NiP@rGO。克服了以前往往得不到纯相四磷化五镍的问题。并以该材料首次作为钠离子电池的负极材料,显示出良好的循环性能和倍率性能,这对钠离子电池实现工业化具有积极的意义。同时,该制备工艺简单,成本低廉,产量高,效率高。

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CARBON NANOTUBE AGGREGATE

NºPublicación: US2020039826A1 06/02/2020

Solicitante:

NITTO DENKO CORP [JP]

KR_20190055816_A

Resumen de: US2020039826A1

Provided is a carbon nanotube aggregate excellent in gripping force. The carbon nanotube aggregate of the present invention is a carbon nanotube aggregate of a sheet shape, including a plurality of carbon nanotubes, wherein the carbon nanotube aggregate has a cohesive strength N of 3 nJ or more on a front surface and/or a back surface thereof, which is measured by a nanoindentation method with an indentation load of 500 μN.

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CARBON NANOTUBE ELECTRODE OR CARBON NANOHORN ELECTRODE AND METHOD FOR MANUFACTURING ELECTRODE

Nº publicación: WO2020027194A1 06/02/2020

Solicitante:

GRAVITON CO LTD [JP]

Resumen de: WO2020027194A1

[Problem] To provide a carbon nanotube electrode, which can be produced at a low cost without using a platinum group element yet can demonstrate substantially the same catalytic activity (catalytic effect) as an electrode containing a platinum group element. [Solution] This carbon nanotube electrode 10A contains an aggregate of carbon nanotubes and fine alloy particles of a shaped alloy article obtained by compressing and then baking a fine transition-metal powder mixture obtained by uniformly mixing and dispersing a fine transition-metal powder containing at least three types of transition metals selected from various types of transition metals. The at least three types of transition metals in the fine transition-metal powder mixture are selected from various types of transition metals such that the combined work function of the work functions of the at least three types of transition metals selected is approximate to the work function of a platinum group element. The fine alloy particles are carried on the surface of the carbon nanotubes in the carbon nanotube electrode 10A.

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