This article explores hybrid energy storage devices in which an individual electrode is composed of a mixture of the active materials used in lithium-ion batteries...
The photocidal effect of exposing S. aureus BC12041 to UVA-rich fluorescent light is demonstrated. In UVA-exposure studies with appropriate controls, CFUs of S. aureus BC12041...
In this study, a magnetoelastic resonance microbalance (MERM) was used to directly measure the gas-phase adsorption behavior of water vapor, isopropyl alcohol, and acetone on...
It has been demonstrated that porous sol-gel derived (SGD) alumina can function as an effective microorganized medium in which to perform size- or shape-selective organic...
Colloidal TiO2 sols which contain stable particles that are ca. 50 A in diameter have been produced. Scanning electron photomicrographs indicate that supported membranes which...
Supported gamma-Al2O3 ceramic membranes have been prepared by sol-gel techniques from alkoxide precursors. Permeability and rejection characteristics of these membranes have been used to determine...
Supported γ-Al2O3 and TiO2 ceramic membranes were prepared by sol-gel techniques from alkoxide precursors. Tests were conducted to measure the permeabilities of these membranes to...
This paper discusses the physical-chemical properties of γ-Al2O3 and TiO2 ceramic membranes which have been prepared by sol-gel techniques from alkoxide starting materials. Mean pore...
Solar energy has been growing at an exponential rate over the past decade, and worldwide installed solar electric capacity is expected to more than double...
In this study, nanoporous zirconia (ZrO2) and titania (TiO2) coatings are shown to stabilize the cycling performance of lithium-ion batteries with LiMn2O4 spinel cathodes. The effect...
Nanoporous oxides (SiO2, TiO2, ZrO2, and AlOOH) synthesized from sol–gel chemistry techniques were used as coatings for stainless steel electrodes in water electrolysis systems. These...
Capacitive deionization (CDI) has recently gained some degree of popularity as a water treatment technology. This paper demonstrates the benefits of coating low surface area...
Titanium-supported titania-based photoelectrodes were prepared either by sol-gel processes or by thermal oxidation. Catalytic activities and stabilities of these photoelectrodes were monitored by photooxidizing formic...
Stoichiometric LiMn2O4 and substituted Li1.05M0.05Mn1.9O4 (M=Al,Ni) spinel electrodes, coated with ZrO2, Al2O3, and SiO2 from colloidal suspensions, have been evaluated in lithium cells. ZrO2-coated Li1.05Ni0.05Mn1.9O4...
A photoelectrocatalytic oxidation (PECO) device was developed for converting aqueous ammonia into nitrogen gas. The device uses a germicidal UV lamp to activate a titania...
A photoelectrocatalytic reactor containing titania-coated titanium electrodes was employed to degrade solutions of formic acid (2 mmol dm-3) in 0.01 mol dm-3 NaCl. Reaction rates...
The use of carbon dioxide (CO2) in precision cleaning applications requires a high-purity feed stream of CO2, which can add considerable cost to the overall...
Supercritical fluid extraction analyses are often compromised by trace impurities present in the solvent carbon dioxide. These impurities, commonly used as lubricants in the specialty...
Several approaches to estimate the cost of installing and operating a photocatalytic oxidation (PCO) device for application in various treatment concerns are presented. First, a...
The results of a literature survey and an engineering analysis are presented that evaluate the process, technical, and sizing considerations of photocatalytic oxidation (PCO) as...
Photocatalysis is the use of light to activate a catalytic material. This technology is of interest because laboratory studies indicate that photocatalysis can completely oxidize...
The effect of reaction temperature on the catalytic and photocatalytic oxidation of ethylene on unplatinized and platinized versions of a TiO2/ZrO2 mixed-oxide thin-film catalyst is...
The photocatalytic oxidation of acetone vapor on TiO2/ZrO2 thin films is presented in this study. Acetone conversion data collected using a non-circulating tubular reactor are...