Publications de Mariana Spodaryk

Incarceration of Iodine in a Pyrene-Based Metal-Organic Framework

Andreas Züttel, Kyriakos Stylianou, Ngoc Tú Nguyên, Andrzej Gladysiak, Mariana Spodaryk

A pyrene-based metal-organic framework (MOF) SION-8 captured iodine (I-2) vapor with a capacity of 460 and 250 mg g(MOF)(-1) at room temperature and 75 degrees C, respectively. Single-crystal X-ray diffraction analysis and van-der-Waals-corrected density f ...

2019

Hydrogen storage and electrochemical properties of LaNi5-xCux hydride-forming alloys

Andreas Züttel, Natalia Gasilova, Mariana Spodaryk

LaNi5-type alloys are commercial materials for the negative electrode in Ni-MH rechargeable batteries. Partial substitution of La by mischmetal (Mm) and of Ni by elements like Co, Al, and Mn significantly improve the cycle stability and high-rate discharge ...

ELSEVIER SCIENCE SA2019

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

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

Characteristics and properties of nano-LiCoO2 synthesized by pre-organized single source precursors: Li-ion diffusivity, electrochemistry and biological assessment

Andreas Züttel, Mariana Spodaryk, Nam Hee Kwon

Background: LiCoO2 is one of the most used cathode materials in Li-ion batteries. Its conventional synthesis requires high temperature (>800 degrees C) and long heating time (>24 h) to obtain the micronscale rhombohedral layered high-temperature phase of L ...

2017

Description of the capacity degradation mechanism in LaNi5-based alloy electrodes

Andreas Züttel, Philippe Mauron, Mariana Spodaryk, Marco Roman Holzer

The mechanism of the capacity degradation of LaNi5-based alloy electrodes was investigated with a special focus on the influence of the alloy and surface composition, as well as the unique structure obtained by gas atomisation. The electrochemical properti ...

Elsevier Science Sa2015