Results 171 to 180 of about 425,946 (297)

Comparative Analysis of Hydrogen Production and Economic Feasibility: Direct versus Indirect Coupling of Photovoltaic Systems with Electrolyzers

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This article examines the efficiency and cost‐effectiveness of green hydrogen production strategies: direct and indirect, with and without battery. Results show that the indirect configuration with battery yields the highest hydrogen production and profitability. The study discusses technical, energetic, and economic trade‐offs, providing insights into
Alfonso González del Valle   +2 more
wiley   +1 more source

Comparative Evaluation of HFC‐134a Decompositions Over Metal‐Impregnated γ‐Al2O3 Catalysts (M/γ‐Al2O3) (M = Mg, Ni, Co, Zn, Cu)

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This study examines the impact of an impregnated metalon the structural alterations of the catalyst induced by intermediatesgenerated during the HFC‐134a catalytic decomposition reaction. Through adetailed analysis of the catalyst before and after the reaction, the underlyingcause of the observed inactivity is elucidated.
Myeong‐Heon Yoo   +8 more
wiley   +1 more source

Mission‐centric decision support in cybersecurity via Bayesian Privilege Attack Graph

open access: yesEngineering Reports, Volume 4, Issue 12, December 2022., 2022
We propose a mission‐centric approach to assessing the risks of cyber attacks on the organization's mission and provide decision support to network security administrators. Our approach uses a unique stochastic model that connects vulnerability impacts to the mission's security requirements and allows selecting the most resilient configuration of ...
Michal Javorník, Martin Husák
wiley   +1 more source

Development Status and Future Prospects of Hydrogen Energy Technology: Production, Storage, and Cost Analysis

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Hydrogen is an energy carrier, produced from renewable and nonrenewable resources. It can be stored in a variety of materials and transported to distant locations. This article reviews progress in hydrogen technology by looking at environmental and economic impact, cost analysis, and policy support at government level as way forward for bringing it to ...
Xuexue Pan   +5 more
wiley   +1 more source

A novel graph search and machine learning method to detect and locate high impedance fault zone in distribution system

open access: yesEngineering Reports, Volume 5, Issue 1, January 2023., 2023
This paper proposes a novel method for detecting, classifying and locating the high impedance fault zone in a distribution system. This paper proposed novel graph theory‐based zone selection technique along with a Random Search Multilevel Support Vector Machine (RSMSVM) algorithm to classify fault zone.
S. Ramana Kumar Joga   +2 more
wiley   +1 more source

A Detailed Comprehensive Role of Digital Technologies in Green Finance Initiative for Net‐Zero Energy Transition

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This study aims to provide actionable recommendations for leveraging digital innovation for the achievement of scalable, equitable, and transparent Net Zero Energy Transition by offering actionable recommendations. As a result of this comprehensive analysis, the review highlights the critical interplay between digital technologies and GF as vital ...
Furkan Ahmad   +3 more
wiley   +1 more source

A Li‐Ion Battery Using Nanostructured Sn@C Alloying Anode and High‐Voltage LiNi0.35Cu0.1Mn1.45Al0.1O4 Spinel Cathode

open access: yesEnergy Technology, Volume 10, Issue 12, December 2022., 2022
A cobalt‐free Li‐ion battery with the Sn@C/LiNi0.35Cu0.1Mn1.45Al0.1O4 configuration is successfully achieved and tested, starting from the active material synthesis and characterization. Based in the experimental results, the new full cell operating at 4.2 V with a specific capacity of 110 mAh g−1 is proposed as a possible alternative to the presently ...
Stanislav Levchenko   +3 more
wiley   +1 more source

Integrated Capture and Electroreduction of Low‐Concentration CO2 to CO Using Geopolymer|Graphene‐Cobalt Phthalocyanine Composite

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
A highly efficient e‐CO2RR platform for efficient and selective CO production from the electroreduction of the low‐concentration CO2 in the simulated biogas is successfully established. This platform is created for the first time using geopolymer‐encapsulated graphene‐supported cobalt phthalocyanine.
Eunice Estrella De Guzman   +3 more
wiley   +1 more source

Multistable Composite Laminate Grids as a Design Tool for Soft Reconfigurable Multirotors

open access: yesAdvanced Intelligent Systems, EarlyView.
Flexible, lightweight, stable: the reconfigurable multirotor combines stable flight in multiple shapes with low‐energy reconfiguration. Utilizing optimized multistable composites, it achieves self‐locking in open and folded configurations, cutting width‐span by 48% and allowing for safe gap traversal.
Luca Girardi   +4 more
wiley   +1 more source

A Comparative Analysis and Scoping Review of Soft–Rigid and Industrial Parallel Rigid Grippers

open access: yesAdvanced Intelligent Systems, EarlyView.
In this article, the potential of soft–rigid grippers to meet industrial demands, focusing on their adaptability and efficiency in various applications, is investigated. It explores innovative solutions to overcome current challenges such as limited gripping strength, durability, and precise control, aiming to enhance the performance and versatility of
Lutong Li   +7 more
wiley   +1 more source

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