Results 71 to 80 of about 8,682,249 (236)

Dynamic In‐Plane Heterogeneous and Inverted Response of Graphite to Fast Charging and Discharging Conditions in Lithium‐Ion Pouch Cells

open access: yesSmall Science, 2023
Solutions for improving fast charging of lithium‐ion batteries have largely focused on alleviating through‐plane lithiation gradients while little is understood about in‐plane heterogeneities and how to resolve them.
Abigale P. Monasterial   +10 more
doaj   +1 more source

Does Samoa have a future in renewable energy? [PDF]

open access: yes, 2010
Energy is critical to the economic growth and social development of any country. Samoa, as a least developing country, therefore needs to ensure that its energy demands are supplied for.
Faasoa-Chan Ting, Vanda
core  

Advances in Solution‐Processed Textile Triboelectric Nanogenerators: Ink Formation, Processing Strategies, Applications, and Challenges

open access: yesAdvanced Functional Materials, EarlyView.
Advanced ink systems for solution‐processed textile triboelectric nanogenerators are systematically summarized, spanning conductive, tribo‐negative, and tribo‐positive layers. By connecting ink chemistry, deposition methods, and device function, the present review reveals the key governing principles of solution development and highlights practical ...
Xinlong Sun, Stephen Beeby
wiley   +1 more source

Generation of second harmonic component of fault current in a doubly‐fed induction generator and mitigation measures for transformer protection

open access: yesIET Renewable Power Generation, 2021
The transient characteristics of short‐circuit current (SCC) in doubly‐fed induction generator (DFIG) are quite different from the widely researched conventional synchronous machines.
Tao Zheng   +5 more
doaj   +1 more source

Designing Vanadium‐Based Oxide Electrocatalysts for Water Splitting: Experimental and Mechanistic Insights with Machine Learning

open access: yesAdvanced Functional Materials, EarlyView.
This review establishes structure‐property‐mechanism relationships across six modification strategies for V‐based oxide water‐splitting electrocatalysts: lattice engineering, heteroatom doping, interface engineering, carbon‐based hybridization, morphology engineering, and surface reconstruction and pre‐catalyst design, where dissolution is reframed as ...
Youness El Issmaeli   +4 more
wiley   +1 more source

Interaction energy-based power coupling oscillation analysis and suppression of grid-forming converter connected system

open access: yesInternational Journal of Electrical Power & Energy Systems
The power coupling effect of the grid-forming converter will cause instability oscillation when it connects to low-voltage short-distance transmission lines. To solve this problem, this paper presents an energy interaction analysis method for oscillation
Yaqi Shen   +5 more
doaj   +1 more source

Hybrid diesel generator/renewable energy system performance modeling

open access: yes, 2014
Published ArticleA Hybrid Energy System may been defined as a system in which different energy sources (solar, wind, hydro, diesel generator, etc.) as well as energy storage systems are interconnected to meet the load energy demand at any time.
Vermaak, Herman Jacobus   +1 more
core  

Collaboration on Renewable Energy Standards, Testing, and Certification under the U.S. China Renewable Energy Partnership: Preprint [PDF]

open access: yes, 2012
During November 2009, the U.S. China Renewable Energy Partnership agreement was authorized in Beijing by Presidents Obama and Hu from the U.S. and China. One of the principle tasks under this new program is the collaboration of the U.S.
Lin, W., Kurtz, S., Wallace, W.
core  

NREL (National Renewable Energy Laboratory) Fact Sheets

open access: yes, 2012
The National Renewable Energy Laboratory (NREL) is the nation's leader in energy efficient and renewable energy technologies, practices, and strategies.

core   +1 more source

Upcycling Keratin‐Based Textile Waste Into High‐Performance Hybrid Fibers Via Tuning the Interfacial Interactions

open access: yesAdvanced Functional Materials, EarlyView.
Keratin recovered from animal‐hair textile waste is fractionated and blended with cellulose to produce continuously spun hybrid fibers. Selecting the high‐molecular‐weight keratin fraction enables 30 wt.% keratin incorporation while maintaining high strength in dry and wet states.
Mian Zhai   +6 more
wiley   +1 more source

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