Power and Electrical Engineering

This topic covers issues related to energy generation, conversion, transportation and consumption and how the industry is addressing the challenge of energy efficiency in general.

innovations-report provides in-depth and informative reports and articles on subjects ranging from wind energy, fuel cell technology, solar energy, geothermal energy, petroleum, gas, nuclear engineering, alternative energy and energy efficiency to fusion, hydrogen and superconductor technologies.

Captured lithium

Neutrons show effective lithium and electrolyte distribution in lithium-ion cells. In our smartphones, our computers and in our electric cars: We use rechargeable lithium-ion batteries everywhere. But their capacity drops…

Creating a metal with laser light

The light side of the Force A group of researchers from the Fritz Haber Institute of the Max Planck Society and the Humboldt-Universität zu Berlin have found out that semiconductors…

Intelligent robots for targeted combating of viruses and bacteria

Service robots can help ensure that buildings and means of transport are cleaned and disinfected regularly and with consistently high quality. Since October 2020, twelve institutions of the Fraunhofer-Gesellschaft have…

Radiative cooling and solar heating from one system, no electricity needed

Study describes passive cooling system that aims to help impoverished communities, reduce cooling and heating costs, lower CO2 emissions. Passive cooling, like the shade a tree provides, has been around…

Energy harvesting: Printed thermoelectric generators for power generation

KIT researchers develop printing process for inexpensive, three-dimensional thermoelectric generators Thermoelectric generators, TEGs for short, convert ambient heat into electrical power. They enable maintenance-free, environmentally friendly, and autonomous power supply…

Inside the battery in 3D

Powerful X-rays watch solid state batteries charging and discharging Despite worldwide use of lithium batteries, the exact dynamics of their operation has remained elusive. X-rays have proven to be a…

Page
1 94 95 96 97 98 617