Concept

Electrochemical machining

Related publications (35)

Self and induced stabilized nanoparticles for electrocatalysis

Since few decades the search of new catalysts formulations for fuel cell applications has motivated numerous projects especially due to the future lack of fossil fuel, environmental and economical reasons. Consequently, Direct Alcohol Fuel Cell (DAFC) or D ...

EPFL2009

Modeling of a vanadium redox flow battery electricity storage system

Christian Blanc

Today, the electricity industries are facing new challenges as the market is being liberalized and deregulated in many countries. Electricity storage is undoubtedly a disruptive technology that will play, in the near future, a major role in the fast develo ...

EPFL2009

Molecular wiring of LiFePO4 (Olivine)

Michael Graetzel, Ladislav Kavan

The carbon-free LiFePO4 (olivine) was modified by a monolayer coverage with [12-(2,5-di-tert-butyl-4-methoxy-phenoxy)-dodecyl]-phosphonic acid, coded DW. Thin film electrodes were bonded with 5% PVDF and deposited on F-doped SnO2 (FTO) support. The surface ...

2008

Effectiveness factor of thin-layer IrO2 electrocatalyst

Erika Herrera Calderon

Dimensionally Stable Anodes (DSA®) are electrodes composed of a metal support and an oxide coating (catalyst). Particularly in this thesis, the Ti/IrO2 electrode was used for the study of the fraction of the surface which participates effectively in the in ...

EPFL2008

Multiphysics and Energetic Modeling of a Vanadium Redox Flow Battery

Alfred Rufer, Christian Blanc

Vanadium redox flow batteries (VRB) are large stationary electricity storage systems; their performance is enhanced when they are operating under optimal conditions. The multiphysics model developed in this paper offers a good understanding of the VRB oper ...

2008

Interface Layering Phenomena in Capacitance Detection of DNA with Biochips

Giovanni De Micheli, Sandro Carrara, Carlotta Guiducci, Yusuf Leblebici, Luca Benini, Bruno Samori

Reliable DNA detection is of great importance for the development of the Lab-on-chip technology. The effort of the most recent projects on this field is to integrate all necessary operations, such as sample preparation (mixing, PCR amplification) together ...

2007

Préparation et caractérisation de nanoparticules bimétalliques (Pt-Au) sur un substrat en diamant dopé au bore

Bahaa El Roustom

Using petrol as a main source of energy, during the 20th century, has caused considerable amounts of damage among which are atmospheric pollution and global warming. At the same time, many geologists and economists expect that the discovery rate of new pet ...

EPFL2006

Machining of non-conducting materials using electrochemical discharge phenomenon – An overview

Rolf Wüthrich, Valia Fascio

Machining with electrochemical discharges is an unconventional technology able to machine several electrically non-conductive materials like glass or some ceramics. After almost 40 years of its first mention in literature, this technology remains an academ ...

2005

Chemical and electrochemical promotion of supported rhodium catalyst

Olena Baranova

The chemical and electrochemical promotion of highly dispersed nanofilm Rh catalysts (dispersion: about 10 %, film thickness: 40 nm) has been investigated for the first time. To this end Rh metal was sputter-deposited, either on a purely ionic conductor (8 ...

EPFL2005

Electrochemical Polishing of Boron-Doped Diamond in Organic Media

Christos Comninellis, Lassine Ouattara, Guillaume Siné, Ilaria Duo, Marco Panizza

The electropolishing of a B-doped diamond (BDD) film deposited by CVD was studied in HOAc-H2SO4 media. The electropolished surface was characterized by SEM, XPS, and electrochem. measurements. In 1 M H2SO4 no polishing of the surface occurred even after pr ...

2003

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