Results 91 to 100 of about 244,758 (274)
Implications of Charcoal Briquette Produced by Local Communities on Livelihoods and Environment in Nairobi Kenya [PDF]
, 2013 The residents of Nairobi, Kenya, use 700 tonnes of charcoal per day, producing about 88 tonnes of charcoal dust that is found in most of the charcoal retailing stalls that is disposed of in water drainage systems or in black garbage heaps. The high costs
A, Yonemitsu +7 more
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Alcohol Fuel Cells at Optimal Temperatures [PDF]
, 2006 High-power-density alcohol fuel cells can relieve many of the daunting challenges facing a hydrogen energy economy. Here, such fuel cells are achieved using CsH2PO4 as the electrolyte and integrating into the anode chamber a Cu-ZnO/Al2O3 methanol steam ...
Boysen, Dane A. +3 more
core +1 more source
Advanced Functional Materials, EarlyView.A monolayer graphene/phosphoric‐acid mixed proton‐electron conducting membrane combines proton‐conducting nanoconfined acid channels with electron‐conducting graphene nanosheets for efficient high‐temperature hydrogen purification. The membrane achieves nearly 100% H2/CO2 selectivity and 69 GPU hydrogen permeance at 250°C, arising from synergistic ...
Kaiqiang He +8 more
wiley +1 more source
, 2008 Current transport behaviour leads to increasing congestion of the infrastructure, growing dependence on fossil fuels, increasing energy demand, and growing CO2 emissions. Policies based principally on increasing system speed and in particular car speeds
Guzman Garcia, Luis Angel +3 more
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Carbon Free Boston: Energy Technical Report [PDF]
, 2019 Part of a series of reports that includes: Carbon Free Boston: Summary Report; Carbon Free Boston: Social Equity Report; Carbon Free Boston: Technical Summary; Carbon Free Boston: Buildings Technical Report; Carbon Free Boston: Transportation ...
Cleveland, Cutler J. +4 more
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Structural and Chemical Engineering of Sub‐Nanochannel Membranes Toward Ion Selectivity
Advanced Functional Materials, EarlyView.This review summarizes recent advances in structural and chemical engineering of sub‐nanochannels for ion selectivity. We first introduce fundamental ion transport mechanisms within sub‐nanochannels, followed by strategies to tune pore size, geometry, and surface functionalities, categorized into charge‐based, ion‐recognition, hydrophilic bonding, and ...
Yuyu Su +5 more
wiley +1 more source
Synthesizing Liquid Fuels Over Carbon‐Based Catalysts Via CO2 Conversion
Advanced ScienceThe unique characteristics of carbon materials make them flexible for applications in heterogeneous catalysis. Their interest is expanding in the conscious efforts being made toward sustainable fuel production.
Cederick Cyril Amoo +3 more
doaj +1 more source
Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications
Advanced Functional Materials, EarlyView.Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi +3 more
wiley +1 more source
Ceria-Based Materials in Hydrogenation and Reforming Reactions for CO2 Valorization
Frontiers in Chemistry, 2019 Reducing greenhouse emissions is of vital importance to tackle the climate changes and to decrease the carbon footprint of modern societies. Today there are several technologies that can be applied for this goal and especially there is a growing interest
Marta Boaro +2 more
doaj +1 more source
Nanostructured TiO2 for light-driven CO2 conversion into solar fuels
APL Materials, 2020 Energy shortages and global warming have become two major issues closely associated with the tremendous consumption of non-renewable fossil fuels. As a sustainable and economical route, photocatalytic reduction of CO2 conversion, the so-called artificial
Jingsheng Cai +4 more
doaj +1 more source