Carbon nanotubule membranes for electrochemical energy storage and production

Che, Guangli; Lakshmi, Brinda B.; Fisher, Ellen R.; Martin, Charles R.

doi:10.1038/30694

Cited by 1,782 publications

(1,040 citation statements)

References 24 publications

(43 reference statements)

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“…Kyotani et al [120,121] first reported the filling of Pt and Ag into AAO-CNTs. Later, Che et al [42] realized the filling of Pt/Ru nanoparticles. Gogotsi et al directly filled CuO particles with a diameter of ~5 nm into the cavity of AAO-CNTs with an outer diameter of 200 nm [119].…”

Section: Wetness Impregnation Techniquementioning

confidence: 99%

“…The AAO-CNTs used can be either one-side open or both-side open. Foreign matters can be loaded into the carbon-deposited AAO template by using incipient wetness impregnation [40,42,[118][119][120][121], sublimation [122][123][124][125][126][127], or electrodeposition method [41,109,[128][129][130][131]. Since only the inner surface of the AAO-CNTs is exposed, the foreign matters would be selectively filled inside the hollow cores of CNTs.…”

Section: Filling Of Aao-cntsmentioning

confidence: 99%

“…In addition, the AAO template synthesis method makes it possible to selectively dope or chemically functionalize the inner or outer surface of CNTs. Owing to these unique characteristics, the CNTs prepared by AAO template method may find applications in biomedical or drug delivery [39], small molecule delivery systems [40], high density magnetic recording [41], anode materials [42], etc.…”

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Carbon nanotubes prepared by anodic aluminum oxide template method

et al. 2011

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One of the most unique structural characteristics of carbon nanotubes (CNTs) differentiating from other carbon materials is their hollow nanochannles, which can be utilized for encapsulating and loading foreign matters. The anodic aluminum oxide (AAO) template technique enables the diameter, length, and cap structure control of the replicated CNTs, and thus shows advantages in pore structure control over the traditional CNT growth approaches. This review details the synthesis of CNTs with tunable diameter, length, wall thickness, and crystalline by using the AAO template method. The doping of heteroatoms and filling of foreign matters into AAO-CNTs are also addressed. Moreover, the main challenges and developing trends of the AAO template method are discussed.carbon nanotubes (CNTs), anodic aluminum oxide (AAO) template method, controllability Citation:Hou P X, Liu C, Shi C, et al. Carbon nanotubes prepared by anodic aluminum oxide template method.

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Section: Wetness Impregnation Techniquementioning

confidence: 99%

Section: Filling Of Aao-cntsmentioning

confidence: 99%

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Carbon nanotubes prepared by anodic aluminum oxide template method

et al. 2011

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“…[29][30][31][32][33][34] This method is widely used for preparing ORR catalysts; e.g., the carbon supported Pt and Pd nanoparticles. 35,36) As for the general procedures, it is as follows: the calculated amount of active metal precursor (e.g., H 2 PtC 16 x H 2 O, RuC 13 , Na 6 Pt(SO 3 ) 4 , and Na 6 Ru(SO 3 ) 4 ) is dissolved in a medium, such as alcohol and/or water. For a better dispersion of the metal precursor, a citric acid can be added as a stabilizer.…”

Section: Synthesis Methods Of Catalystsmentioning

confidence: 99%

“…Depending on the phase of the reducing agent, there are various methods including the hydrogen gas reduction method 31,32) and the liquid reduction method. 29,35,[38][39][40][41] Recently carbide based catalysts (e.g., Pt-W 2 C/C, Co 6 Mo 6 C 2 /C) prepared by combining the impregnation and microwave heating methods have been intensively studied. [41][42][43][44] Colloidal method.…”

Section: Synthesis Methods Of Catalystsmentioning

confidence: 99%

Practical Challenges Associated with Catalyst Development for the Commercialization of Li-air Batteries

Park

Kim

Seo

et al. 2014

Journal of Electrochemical Science and Technology

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ABSTRACT:Li-air cell is an exotic type of energy storage and conversion device considered to be half battery and half fuel cell. Its successful commercialization highly depends on the timely development of key components. Among these key components, the catalyst (i.e., the core portion of the air electrode) is of critical importance and of the upmost priority. Indeed, it is expected that these catalysts will have a direct and dramatic impact on the Li-air cell's performance by reducing overpotentials, as well as by enhancing the overall capacity and cycle life of Li-air cells. Unfortunately, the technological advancement related to catalysts is sluggish at present. Based on the insights gained from this review, this sluggishness is due to challenges in both the commercialization of the catalyst, and the fundamental studies pertaining to its development. Challenges in the commercialization of the catalyst can be summarized as 1) the identification of superior materials for Li-air cell catalysts, 2) the development of fundamental, material-based assessments for potential catalyst materials, 3) the achievement of a reduction in both cost and time concerning the design of the Li-air cell catalysts. As for the challenges concerning the fundamental studies of Li-air cell catalysts, they are 1) the development of experimental techniques for determining both the nano and micro structure of catalysts, 2) the attainment of both repeatable and verifiable experimental characteristics of catalyst degradation, 3) the development of the predictive capability pertaining to the performance of the catalyst using fundamental material properties. Therefore, under the current circumstances, it is going to be an extremely daunting task to develop appropriate catalysts for the commercialization of Li-air batteries; at least within the foreseeable future. Regardless, nano materials are expected to play a crucial role in this field.

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Advanced syntheses and microfabrications of conjugated polymers, C60-containing polymers and carbon nanotubes for optoelectronic applications

Dai

1999

Polym. Adv. Technol.

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Carbon nanotubule membranes for electrochemical energy storage and production

Cited by 1,782 publications

References 24 publications

Carbon nanotubes prepared by anodic aluminum oxide template method

Carbon nanotubes prepared by anodic aluminum oxide template method

Practical Challenges Associated with Catalyst Development for the Commercialization of Li-air Batteries

Advanced syntheses and microfabrications of conjugated polymers, C60-containing polymers and carbon nanotubes for optoelectronic applications

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