Results 181 to 190 of about 2,496 (269)

Geological and geotechnical challenges on the Great Dyke of Zimbabwe and their impact on hardrock pillar design

open access: yesDeep Underground Science and Engineering, EarlyView.
The Great Dyke of Zimbabwe is notable for its rich platinum group metal deposits but poses significant geological and geotechnical challenges due to its complex rock types and structural features. Traditional pillar design methods are insufficient for addressing these complexities; the study suggests incorporating advanced techniques such as machine ...
Tawanda Zvarivadza   +3 more
wiley   +1 more source

Strengthening urban resilience in China through underground infrastructures management: Addressing global climate challenges with technological solutions

open access: yesDeep Underground Science and Engineering, EarlyView.
This paper explores how climate‐resilient technologies, such as smart grids, digital twins, and self‐healing materials, can enhance urban resilience. It highlights the urgent need for proactive planning, public‐private collaboration, and data‐driven innovation to future‐proof underground infrastructure amid accelerating climate and urban pressures ...
Kai Chen Goh   +12 more
wiley   +1 more source

"The Battery" designed with Super-Light (concrete) Decks [PDF]

open access: yes, 2012
Castberg, Niels Andreas   +1 more
core  

Defect‐Engineered Nested Metallic Cu Clusters Enhance CO2 Photoreduction in Photothermal 2D Plasmonic CuSe

open access: yesEcoEnergy, EarlyView.
Solar‐driven photocatalytic CO2 conversion faces charge dynamics and spectral utilization limits. In this study, the nested Cu/CuSe heterostructure effectively enhances near‐infrared absorption, suppress charge carrier recombination, and improve CO production yield and selectivity through the photothermal–photocatalytic synergy. ABSTRACT Photocatalytic
Huaipeng Pang   +7 more
wiley   +1 more source

New Insights in the Electrochemical Stability of Various Solid Polymer Electrolytes/Layered Positive Metal‐Oxide Electrode Interfaces in Solid‐State Lithium‐Ion Battery

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
In this work, the electrochemical compatibility of a broad range of solid polymer electrolytes with two Ni‐rich nickel–manganese–cobalt cathodes (NMC622, NMC811) is investigated through a hybrid computational and experimental approach. The relative reactivity of NMC811 to NMC622 is demonstrated, as well as the role of Li cations in the electrolyte ...
Alexandre Roelens   +9 more
wiley   +1 more source

Enhanced Hydrogen Evolution Reaction Performance of Ni‐Doped MoS2 with 1T Structure for Alkaline Water Electrolyzer: Introduction of 1T Phase and Morphological Optimization Through Co‐Sputtering Technique

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The hydrogen evolution reaction activity of Ni‐doped MoS2 is enhanced by optimizing sputtering parameters in co‐sputtering. Sputtering power controls morphology and Ni doping which promotes 1T yield and activates basal planes. Sputtering time changes 1T yield regardless of Ni ratio.
Wan Sik Kim   +9 more
wiley   +1 more source

Phonon‐Driven Insights Into Layer Sliding of High‐Voltage Layered Cathode

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Understanding the structural instability of high‐voltage layered cathodes remains a critical challenge in advancing sodium‐ion batteries. This work proposes a breathing‐shear mode coupling model based on the phonon spectrum, which elucidates the layer sliding mechanism in layered cathode materials by using interlayer spacing as the order parameter. The
Han Tang   +6 more
wiley   +1 more source

Facet‐Tailored Co3O4 as Electronic Regulator and Stabilizing Support for Ru Nanocluster: Toward Efficient Alkaline HER

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Facet‐engineered Ru@Co3O4 nanosheets precisely anchor Ru nanoclusters on the Co3O4 (111) facets, optimizing the hydrogen‐bond network of interfacial water and downshifting the Ru d‐band center. The Ru@Co3O4 NSs show outstanding HER activity and long‐term durability in AEMWE devices. This work demonstrates a crystal facet engineering strategy to develop
Jia Wang   +7 more
wiley   +1 more source

Synergetic Effect of Silicate Addition on Modifying Zincate Solvation and Regulating ZnO Formation Revealed by In Situ Raman Observation during Zn Discharging

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A practical and synergetic interfacial engineering strategy via silicate addition to modulate the Zn passivation issue for developing rechargeable Zn batteries is introduced. Zn offers higher safety and lower material cost over Li, making it promising alternative anode material for secondary batteries and grid‐scale sustainable energy storage ...
Tanyanyu Wang   +3 more
wiley   +1 more source

Synergistic Engineering of Oxygen Vacancies and Topological Surface States in Bi2Te3/TiO2‐X Heterostructures for Highly Efficient Photothermal‐Driven CO2 Photoreduction

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Integrating the topological insulator Bi2Te3 with oxygen‐deficient TiO2‐X creates a synergistic platform for full‐spectrum CO2 reduction, achieving high‐selectivity C2+ production via enhanced photothermal catalysis and tailored charge dynamics.
Bingke Zhang   +11 more
wiley   +1 more source

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