نتایج جستجو برای: anodes

تعداد نتایج: 3800  

Ahmad Keyvani, Hossein Sina Mahdi Mahta Masoud Emamy Mohsen Saremi

Aluminum anodes have been widely used in the cathodic protection of marine structures. However there are conditions in which these anodes become passivated or face some localized or unwanted corrosion, which influences their efficiency. Addition of alloying elements such as Zn and In not only have improved the efficiency of the anodes but also the effect of casting parameters such as ultra ...

2014
Enrique Quiroga-González Jürgen Carstensen Helmut Föll

UNLABELLED Si microwire array anodes have been prepared by an economical, microelectronics compatible method based on macropore etching. In the present report, evidence of the scalability of the process and the areal capacity of the anodes is presented. The anodes exhibit record areal capacities for Si-based anodes. The gravimetric capacity of longer anodes is comparable to the one of shorter a...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2005
ahmad keyvani masoud emamy mohsen saremi hossein sina mahdi mahta

aluminum anodes have been widely used in the cathodic protection of marine structures. however there are conditions in which these anodes become passivated or face some localized or unwanted corrosion, which influences their efficiency. addition of alloying elements such as zn and in not only have improved the efficiency of the anodes but also the effect of casting parameters such as ultra melt...

H. Moharrami, M.T. Shahrabi Farahani and H. Shourabi,

Marine structures are one of the most important and susceptible facilities in Iran due to corrosion. The two methods of Cathodic Protection, namely, the cathodic protection with sacrificial anodes and cathodic protection using impressed current, are widely used for corrosion protection. According to the former, sacrificial anodes are installed at several points in the structure. Position of the...

H. Moharrami, M.T. Shahrabi Farahani and H. Shourabi,

Marine structures are one of the most important and susceptible facilities in Iran due to corrosion. The two methods of Cathodic Protection, namely, the cathodic protection with sacrificial anodes and cathodic protection using impressed current, are widely used for corrosion protection. According to the former, sacrificial anodes are installed at several points in the structure. Position of the...

2015
U. Tocoglu O. Cevher H. Akbulut

In this study silicon-multi walled carbon nanotube (Si-MWCNT) lithium ion battery anodes were produced and their electrochemical galvanostatic charge/discharge tests were conducted at various (25 ◦C, 35 ◦C, 50 ◦C) temperatures to determine the cyclic behaviors of anode at di erent temperatures. Anodes were produced via vacuum ltration and DC magnetron sputtering technique. Silicon was sputtered...

2015
Ying Ching Lu Chuze Ma Judith Alvarado Nikolay Dimov Ying Shirley Meng Shigeto Okada

Due to their highly reversible capacity, tin-sulfide-basedmaterials have gained attention as potential anodes for sodium-ion and lithium-ion batteries. Nevertheless, the performance of tin sulfide anodes is much lower than that of tin oxide anodes. The aim of the present investigation is to improve the electrochemical performances of SnS anodes for sodium-ion batteries using conventional organi...

2010
Juchen Guo Xilin Chen Chunsheng Wang

A unique methodology of fabricating Si anodes for lithium-ion batteries with porous carbon scaffold structure is reported. Such carbon scaffold Si anodes are fabricated via carbonization of porous Si-PVdF precursors which are directly deposited on the current collector. Unlike the conventional slurry casting method, binder and conductive additives are not used in the preparation of the carbon s...

2010
Juchen Guo Xilin Chen Chunsheng Wang

A unique methodology of fabricating Si anodes for lithium-ion batteries with porous carbon scaffold structure is reported. Such carbon scaffold Si anodes are fabricated via carbonization of porous Si-PVdF precursors which are directly deposited on the current collector. Unlike the conventional slurry casting method, binder and conductive additives are not used in the preparation of the carbon s...

2014
Xiuping Zhu Bruce E. Logan

Non-corrosive, carbon-based materials are usually used as anodes in microbial fuel cells (MFCs). In some cases, however, metals have been used that can corrode (e.g. copper) or that are corrosion resistant (e.g. stainless steel, SS). Corrosion could increase current through galvanic (abiotic) current production or by increasing exposed surface area, or decrease current due to generation of toxi...

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