Results 41 to 50 of about 64,029 (303)

Study of measuring bentonite density with active heating and OFDR measurement (Measurement of bentonite’s heat conduction with heated fiber-optic cable)

open access: yesNihon Kikai Gakkai ronbunshu, 2020
In the concept of the disposal of High Level radioactive Waste (HLW) in Japan, bentonite material such as the engineered barrier system is planned to backfill around over-pack in the disposal tunnel.
Masao UYAMA, Toshihiro SAKAKI
doaj   +1 more source

Investigation of a fuel cell (FC) system for vehicle [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage
The limited availability of fossil fuels, the technical challenges associated with existing vehicles, and their emissions, have made the study of efficient energy converters and clean fuels a top priority for research centers and automobile companies ...
Hadi Jafari, Hasan Hassanzadeh
doaj   +1 more source

PEM Electrolysis, a Forerunner for Clean Hydrogen

open access: yesThe Electrochemical Society Interface, 2021
Proton exchange membrane (PEM) electrolysis was originally developed in the 1950s and 1960s by General Electric for space applications to generate oxygen for astronaut life support.
K. Ayers   +3 more
semanticscholar   +1 more source

Investigation of Laser Intensity Profiles in the Laser Drying of Anodes for Lithium-Ion Battery Production

open access: yesBatteries
The growing demand for lithium-ion batteries, along with the imperative for sustainable and cost-efficient production, necessitates the exploration of innovative technological approaches.
Benedict Ingendoh   +6 more
doaj   +1 more source

Optimisation of Solid-State Batteries: A Modelling Approach to Battery Design

open access: yesBatteries
Solid-state batteries (SSBs) present a promising advancement in energy storage technology, with the potential to achieve higher energy densities and enhanced safety compared to conventional lithium-ion batteries.
Jan Felix Plumeyer   +5 more
doaj   +1 more source

Recent Progress in the Development of Composite Membranes Based on Polybenzimidazole for High Temperature Proton Exchange Membrane (PEM) Fuel Cell Applications

open access: yesPolymers, 2020
The rapid increasing of the population in combination with the emergence of new energy-consuming technologies has risen worldwide total energy consumption towards unprecedent values.
J. Escorihuela   +4 more
semanticscholar   +1 more source

Acid Site Design for Low Hydration Proton Exchange Membranes

open access: yesAdvanced Functional Materials, EarlyView.
α‐CF2 substitution adjacent to sulfonic acid increases acid strength and enables efficient proton transport under low hydration conditions. This molecular design reduces the dependence of hydrocarbon proton exchange membranes on excessive water uptake, addressing a key limitation of conventional hydrocarbon PEMs while maintaining favorable conductivity
Ajay Kumar   +10 more
wiley   +1 more source

Analysis of the Principal’s Leadership Role on Cultural Development

open access: yesJurnal Pendidikan dan Kewirausahaan, 2023
Leadership is a process of influencing others towards achieving organizational goals. The most important aspect of the leadership process is the result of a complex series of interactions between the leader, the people being led, and the situation. This
Budi Sulistiyo Nugroho   +4 more
doaj   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao   +6 more
wiley   +1 more source

An annotated checklist of gall-forming poplar aphids (Sternorrhyncha: Aphididae, Pemphigini) of the Asian part of Russia

open access: yesActa Biologica Sibirica, 2023
Here we overviewed the taxonomic diversity and compiled the checklist of gall-forming poplar aphids (Sternorrhyncha: Aphididae, Pemphigini) in the Asian part of Russia. Overall, 20 species, i.e. 18 Pemphigus and two Thecabius spp.
Nikita S. Babichev   +6 more
doaj   +1 more source

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