Results 91 to 100 of about 136,322 (365)

Geomorphology and Sedimentology of a Rapidly Retreating Alpine Glacier: Insights From the Taschachferner, Tirol, Austria

open access: yesEarth Science, Systems and Society
The rapid retreat and fragmentation of Alpine glaciers is widely reported as humanity faces dramatic climate change in mountainous regions. This rapid change leads to changes in sedimentary processes, which are exposed in recently deglaciated regions ...
D. P. Le Heron   +3 more
doaj   +1 more source

The Stratigraphic Record of Pre-breakup Geodynamics: Evidence from the Barrow Delta, offshore Northwest Australia [PDF]

open access: yes, 2016
The structural and stratigraphic evolution of rift basins and passive margins has been widely studied, with many analyses demonstrating that delta systems can provide important records of post-rift geodynamic processes.
Bastow, ID   +4 more
core   +2 more sources

Carboxyl‐Guided Ultrafine Zinc‐Acetate Templating Enables Closed‐Pore Engineering in Coal‐Derived Hard Carbon Anodes for High‐Performance Sodium‐Ion Batteries

open access: yesAdvanced Science, EarlyView.
In this study, ≈2 nm zinc acetate templates are uniformly anchored on the surface of NaOH‐etched bituminous coal via chelation between carboxyl groups and Zn2+. Subsequently, phenolic resin encapsulation is employed to construct a hard carbon material with abundant closed‐pore structures, achieving a reversible capacity of 370.9 mAh g−1 and an ICE of ...
Jialiang Yuan   +7 more
wiley   +1 more source

Geology and geochemistry of sulfide and sulfate deposition [PDF]

open access: yes
Factors contributing to the geology and geochemistry of sulfide and sulfate deposition are discussed.
Holser, W. T.
core   +1 more source

Extent and duration of marine anoxia during the Frasnian– Famennian (Late Devonian) mass extinction in Poland, Germany, Austria and France [PDF]

open access: yes, 2004
– The intensity and extent of anoxia during the two Kellwasser anoxic events has been investigated in a range of European localities using amultidisciplinary approach (pyrite framboid assay, gamma-ray spectrometry and sediment fabric analysis).
Bond, D.P.G., Racki, G., Wignall, P.B.
core   +1 more source

Micro‐Architected Lithium Cobalt Oxide

open access: yesAdvanced Science, EarlyView.
This work introduces a gel infusion additive manufacturing technique for the fabrication of micro‐architected lithium‐ion battery cathodes, exemplified with LiCoO2. The resulting electrodes are free‐standing and binder‐free, with tunable microstructure and independent structural control across multiple length scales.
Yuchun Sun, Julia R. Greer
wiley   +1 more source

Catalyst for Industrial‐Scale Seawater Electrolysis: Inhibit Active Metal Dissolution and Chlorine Corrosion

open access: yesAdvanced Science, EarlyView.
Alkaline seawater electrolysis represents a promising approach for sustainable green hydrogen production. Nevertheless, catalyst stability remains a critical challenge due to active metal dissolution and chlorine‐induced corrosion during prolonged industrial‐scale operation. Here, a surface engineering strategy is presented that employs phytic acid (PA)
Peng Wang   +8 more
wiley   +1 more source

Battery‐Grade Lithium Materials: Virgin Production and Recycling, a Techno‐Economic Comparison

open access: yesAdvanced Energy Materials, EarlyView.
With this study a framework has been created to analyze new innovative lithium compound manufacturing processes for their cost and environmental competitiveness. This analysis includes details on virgin and recycled pathways to produce lithium carbonate or lithium hydroxide monohydrate.
Sabine M. Gallagher   +3 more
wiley   +1 more source

Oriented for Efficiency: Textured Se Thin Films Fabricated by Vapor Transport Deposition for Emerging Photovoltaic Applications

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
A low‐temperature vapor transport deposition (VTD) method enables controlled crystallographic texture in Se thin films. Higher annealing temperatures promote vertical (003)‐preferred orientation, enhancing film quality and device efficiency. Optimized morphology and orientation yield solar cells with > 4% efficiency under AM1.5 G and up to 10% under ...
Ivan Caño   +18 more
wiley   +1 more source

Early Neoproterozoic limestones from the Gwna Group, Anglesey [PDF]

open access: yes, 1998
Limestone megaclasts up to hundreds of metres in size are present within the Gwna Group mélange, North Wales, UK. The mélange has been interpreted as part of a Peri-Gondwanan fore-arc accretionary complex although the age of deposition remains ...
JANA M. HORÁK   +16 more
core   +4 more sources

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