Triode Solid Oxide Fuel Cell Operation Under Sulfur-Poisoning Conditions

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Tribocorrosion behaviour of pure titanium in bovine serum albumin solution: A multiscale study

Anna Neus Igual Muñoz

Tribocorrosion behaviour of pure titanium in phosphate buffer saline (PBS) solution has been investigated systematically as a function of surface chemistry and bovine serum albumin (BSA) content in the solution. A ball-on-disk tribometer coupled with an el ...

ELSEVIER2020

On-Chip Fully Integrated Field Emission Arrays for High-Voltage MEMS Applications

Vivek Subramanian

Vacuum-sealed fully integrated diode and triode field emission arrays based on Ti Spindt-type field emitters have been developed in a scalable, CMOS-compatible process directly on Si. Diode characterization in air demonstrates effective vacuum sealing and ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

4 V room-temperature all-solid-state sodium battery enabled by a passivating cathode/hydroborate solid electrolyte interface

Corsin Battaglia, David Reber

Designing solid electrolytes for all-solid-state-batteries that can withstand the extreme electrochemical conditions in contact with an alkali metal anode and a high-voltage cathode is challenging, especially when the battery is cycled beyond 4 V. Here we ...

ROYAL SOC CHEMISTRY2020

Tribological properties of gold matrix composite coatings with carbon nanocapsules containing ionic liquid lubricants

Stefano Mischler, Anna Neus Igual Muñoz

Self-lubricating, gold matrix composite coatings were produced by electrochemical codeposition of carbon nanocapsules filled with ionic liquid (IL) from a colloidal galvanic bath on a nickel electrode. The tribological response of the composite coatings wa ...

ELSEVIER2020

Lithium-Gold Reference Electrode for Potential Stability DuringIn SituElectron Microscopy Studies of Lithium-Ion Batteries

Vasiliki Tileli, Tzu-Hsien Shen, Jialiang Fan, Robin Pierre Alain Girod, Nikolaos Nianias, Jing Hou

Electrochemical liquid-phase transmission electron microscopy (TEM) is showing excellent promise in fundamental studies of energy-related processes including lithium-ion battery (LIB) cycling. A key requirement to accurately interpret the measurements and ...

2020

Effect of the electrochemical characteristics of titanium on the adsorption kinetics of albumin

Anna Neus Igual Muñoz

An electrochemical quartz crystal microbalance (EQCM) was used to examine the electrochemical behaviour of pure titanium in phosphate buffered saline (PBS) and PBS-containing bovine serum albumin (BSA) solutions, and the associated adsorption characteristi ...

2019

Electrochemical and morphological engineering of 2D materials for nanopore sensing

Martina Lihter

Nanopores are nanometer-sized holes that were initially proposed for DNA sequencing. Several years ago sequencing was made possible with biological nanopores. However, solid-state nanopores have plenty of advantages to offer compared to their biological co ...

EPFL2020

Sodium chromium hexacyanoferrate as a potential cathode material for aqueous sodium-ion batteries

Hubert Girault, Emad Oveisi, Dominika Baster, Pierre Mettraux

Sodium chromium hexacyanoferrate (NaCrHCF) is obtained here using a facile co-precipitation method at room temperature. The powder was investigated in terms of potential use as a cathode material for aqueous sodium-ion batteries under neutral conditions. T ...

Royal Society of Chemistry2019

Active sulfur cycling in the terrestrial deep subsurface

Rizlan Bernier-Latmani, Manon Frutschi, Emma Bell

The deep terrestrial subsurface remains an environment where there is limited understanding of the extant microbial metabolisms. At Olkiluoto, Finland, a deep geological repository is under construction for the final storage of spent nuclear fuel. It is th ...

2020

The role of malachite nanorods for the electrochemical reduction of CO2 to C-2 hydrocarbons

Andreas Züttel, Emad Oveisi, Kun Zhao, Jie Zhang, Mariana Spodaryk

The electrochemical reduction of CO2 to higher hydrocarbons is a very challenging process that has high potential for the storage of large amounts of renewable energy with a high gravimetric and volumetric energy density. The distribution of hydrocarbons f ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Cyclic degradation analysis of reversible Solid Oxide Cell short-stack

Jan Van Herle, Stefan Diethelm, Philippe Aubin, Maria del Mar Perez Fortes, Guillaume Jeanmonod, Suhas Nuggehalli Sampathkumar, David Constantin

The deployment of renewable energy systems has been increasing steadily in recent years. The intermittency associated with the renewable electricity supply can be addressed through the usage of energy storage and release systems. In this framework, reversi ...

2020