Results 31 to 40 of about 43,392 (192)

Effect of iron and trivalent cations on OH defects in olivine

, 2017
Hydrogen incorporation in olivine involves many OH defects, which will control the hydrogen solubility at mantle conditions. Several of these OH defects are identified from the investigation of forsterite (the olivine Mg end-member).
M. Blanchard, J. Ingrin, E. Balan, I. Kovács, A. Withers   +4 more
semanticscholar   +1 more source

Prebiotic Interconversion of Pyruvate and Lactate over Zeolite‐Supported Ni Catalyst

Angewandte Chemie International Edition, Accepted Article.
Submarine hydrothermal vents harbor diverse microbial communities and have long intrigued researchers studying the origin of life. Transition metals in these environments can be reduced by serpentinization, potentially forming zeolite‐supported transition metal nanoparticles capable of driving prebiotic chemistry.
Youngdong Song, Eko Budiyanto, Ashwani Kumar, Gautier Landrot, Harun Tüysüz   +4 more
wiley   +1 more source

Polymeric Lithium Battery using Membrane Electrode Assembly

Batteries &Supercaps, EarlyView.
Membrane electrode assembly (MEA) with PEO‐based electrolyte and LiFePO4 electrode operates in polymer lithium cell at 70 °C. The cell delivers 155 mAh g−1 at 3.4 V for over 100 cycles without signs of decay. The all‐in‐one approach is suited for scaling up polymer lithium cells with high cathode loading to the pouch cell configuration.
Edoardo Barcaro, Vittorio Marangon, Dominic Bresser, Jusef Hassoun   +3 more
wiley   +1 more source

Rheological Weakening of Olivine + Orthopyroxene Aggregates Due To Phase Mixing: Part 2. Microstructural Development

, 2017
To understand the processes involved in phase mixing during deformation and the resulting changes in rheological behavior, we conducted torsion experiments on samples of iron‐rich olivine plus orthopyroxene.
M. Tasaka, M. Zimmerman, D. Kohlstedt, H. Stünitz, R. Heilbronner   +4 more
semanticscholar   +1 more source

An olivine-clinopyroxene geothermometer

Contributions to Mineralogy and Petrology, 1976
The olivine-clinopyroxene (Fe-Mg partition) geothermometer of Powell and Powell (1974) was derived on the basis of clinopyroxene mixing parameters which imply a large miscibility gap in CaFeSi2O6-CaMgSi2O6-CaAl2SiO6 clinopyroxenes at 950° C. Application of the Powell and Powell thermometer in an empirical way (ignoring likely errors in mixing ...
openaire   +3 more sources

Assessing Manufacturing‐Performance Correlation On LiMn0.7Fe0.3PO4 Electrodes For Application In Upscaled Li‐Ion Battery Cells

Batteries &Supercaps, EarlyView.
A manufacturing‐performance correlation investigation: This study identifies optimal coating parameters for LiMn0.7Fe0.3PO4 (LMFP) cathodes, offering practical methods to bridge the gap between academic research and industrial applications. Mixing strategy, slurry viscosity, solid content, coating speed, and electrode loading were systematically ...
Luca Minnetti, Faduma M. Maddar, Anupriya K. Haridas, Matthew Capener, Francesco Nobili, Ivana Hasa   +5 more
wiley   +1 more source

Iron fertilisation and century-scale effects of open ocean dissolution of olivine in a simulated CO2 removal experiment

, 2016
Carbon dioxide removal (CDR) approaches are efforts to reduce the atmospheric CO2 concentration. Here we use a marine carbon cycle model to investigate the effects of one CDR technique: the open ocean dissolution of the iron-containing mineral olivine ...
J. Hauck, P. Köhler, D. Wolf-Gladrow, C. Völker   +3 more
semanticscholar   +1 more source

Solvent, Concentration and Temperature Effects in LiNi0.5Mn1.5O4‐Li3PO4 Coating Processes

Batteries &Supercaps, EarlyView.
In this study, the utilization of hydrogen peroxide (H2O2) as an activating agent is employed to enhance the electrochemical properties of spinel LiNi0.5Mn1.5O4 by coating it with Li3PO4. The coating process is straightforward and can be accomplished in either organic or aqueous media.
Valeriu Mereacre, Pirmin Stüble, Joachim R. Binder   +2 more
wiley   +1 more source

Serpentinization of olivine in troctolites and olivine gabbros from the Hess Deep Rift

Lithos, 2017
Abstract To understand the similarity and diversity of serpentinization processes in different rock systems, gabbroic rocks recovered from IODP Site U1415 at the Hess Deep Rift were examined and compared with peridotites from the adjacent ODP Site 895.
Nozaka, T., Wintsch, R., Meyer, R.
openaire   +5 more sources

On the Description of Electrode Materials in Lithium Ion Batteries Based on the Quantification of Work Functions

Batteries &Supercaps, EarlyView.
Ionic and electronic work functions of prototypical electrode materials, i. e. LixFePO4 and LixMn2O4, in lithium ion batteries have been measured as a function of x, i. e., the state of charge. The results are discussed in the context of thermodynamic Born cycles. It is concluded that interfacial properties must be highly relevant.
Johanna Schepp, Jona Schuch, Jan P. Hofmann, Karl‐Michael Weitzel   +3 more
wiley   +1 more source