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Hydrogen production using sea water

By Dr. Neil Canter, Contributing Editor | TLT Tech Beat June 2023 A catalyst that effectively splits sea water without any purification needed has been developed. HIGHLIGHTS • Splitting water into hydrogen and oxygen is […]

Edona

Implant Wear Debris and Adverse Reactions

Prosthetic devices make a significant difference in people’s lives by restoring mobility. However, during regular use, these devices produce small particles called wear debris. It’s important to understand the impact of wear debris as it […]

TriboNet tribonet

Development of a piston expander for Rankine cycles: Tribological challenges

Summary Rankine cycles using piston expanders are a promising technology for waste heat recovery in heavy-duty vehicles. Piston expanders present tribological challenges however, as they must operate reliably at high temperature and with little or […]

HARSHVARDHAN

Firearm Lubrication

Introduction   A gun is a device or ranged weapon that utilizes pressure or explosive force to propel a projectile. It is designed to launch projectiles with accuracy and force. While guns come in various […]

TriboNet tribonet
Figure 2. A hybrid catalyst based on nickel anchored on nitrogen assembly carbon (Ni-NAC—see top middle image) and carbon nanowires (Cu-NWs—see bottom middle image) was produced that can convert carbon dioxide to carbon monoxide and then to ethylene (right image). In the top middle and bottom middle images, the light blue atoms represent atomically dispersed nickel, the blue atoms represent nitrogen and the red atoms are carbon. In the right image, the black atoms are carbon, the red atoms are oxygen and the white atoms are hydrogen. Figure courtesy of the Ames National Laboratory.

Conversion of carbon dioxide to ethylene

By Dr. Neil Canter, Contributing Editor | TLT Tech Beat May 2023 A new type of catalyst has been developed that produces a five-fold enhancement in selectivity for producing ethylene from carbon dioxide. HIGHLIGHTS • […]

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Figure 1. AC-STEM images and structure models as inserted for adsorbed Pt single-atom catalyst (Pt1/CA), embedded Pt single-atom catalyst (Pt1/CA-e), adsorbed Pt atomic single-layer catalyst (PtASL/CA) and embedded Pt atomic single-layer catalyst (PtASL/CA-e) are shown. Figure courtesy of the University of Central Florida.

Improving the efficiency of catalytic converters

By Dr. Neil Canter, Contributing Editor | TLT Tech Beat May 2023 Placement of platinum atoms in a metal oxide is important in maximizing catalytic activity. HIGHLIGHTS • Positioning of single platinum atoms in certain […]

Manoj Rajankunte Mahadeshwara
Resources | Free Full-Text | Exploring Renewable Energy Resources Using Remote Sensing and GIS—A Review

Tribology in renewable energy

Introduction Renewable energies and their technologies are the essential components for developing sustainable energy generation for the future. There are different ways technical difficulties are involved in these techniques which involve mechanical failures. The friction […]

Manoj Rajankunte Mahadeshwara
Why Tribology is Important in Mechanical Engineering

Tribology of gears

Introduction Gears are the mechanical transmission elements that are toothed to transfer the motion and power between any mechanical components. They are widely used in various devices such as automobile parts, clocks, mechanical machines, bicycles, […]

TriboNet tribonet
The researchers intend to carry out more research using vanadium as the electrolyte, with practices to protect its oxidation by air. Initial experimentation shows that vanadium can be used and will cycle in a similar manner to the zinc iodide redox system.

Microtubular flow battery

HIGHLIGHTS • The volumetric power density of a redox flow battery was increased through the development of a submillimeter bundled microtubular membrane (SBMT). • By using a zinc iodide redox, the volumetric power density for […]

TriboNet tribonet
A byproduct of crude oil refining, asphaltenes, consist of heavy macromolecules. The problem in working with asphaltenes is poor ignitability, reactivity and biodegradability.

Sustainable conversion of asphaltenes to graphene

HIGHLIGHTS • A process has been developed to convert asphaltenes, a byproduct of petroleum refining, to graphene using flash joule heating. • To show the utility of the asphaltene-derived graphene, this material was combined with […]