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From smartphones to electric vehicles – lithium-ion batteries are ubiquitous. Less well known are the dangers posed by a fire in such energy storage systems. The resulting smoke gases, for example, are acutely hazardous to health, especially hydrofluoric acid. A protective textile developed by the Research Center for Fire Protection Technology at the Karlsruhe Institute of Technology (KIT) together with Planex GmbH in Ludwigshafen opens up new options for fire fighting .
This protective textile is pulled over a small inflamed device like a bag. The gas-permeable layers of the bag prevent the flame from escaping, and a core made of mineral earth binds the poisonous smoke. If necessary, the bag can also be unfolded as a blanket. In the XXL version, this completely covers e-vehicles whose batteries can no longer be erased.
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The hurdles associated with the purchase, such as shipping costs or the time it takes to get to the store, are central to the individual choice of the source of purchase. When deciding between online shop and local retail, the personal assessment of purchase security, environmental protection aspects and working conditions also play a role. This is shown by a study using microeconometric models at the Karlsruhe Institute of Technology (KIT). Partial results of the representative study funded by the Deutsche Forschungsgemeinschaft are published in the publications Papers in Applied Geography and Raumforschung und Raumordnung.
The data collection for the evaluations now available took place in 2019 – i.e. before the pandemic-related restrictions on stationary shopping. “During the lockdown, stationary retail establishments for non-daily needs were and are closed. In addition, there are voluntary changes in behavior in the population. Of course, that shifts purchasing power
Lufthansa has made this announcement:
Predicting the weather even more accurately, analyzing climate changes even more precisely, researching even better how the world is developing. This is the goal of a globally unique cooperation between Lufthansa and several research institutes.
Converting an aircraft into a climate research plane poses major challenges. Lufthansa has chosen the most modern and economical long-haul jet in its fleet – an Airbus A350-900 named “Erfurt” (registration D-AIXJ). In three stages, the “Erfurt” will now become a flying research laboratory.
In Lufthansa Technik’s hangar in Malta, the first and most extensive conversion work was carried out. Preparations were made for a complex air intake system below the belly. This was followed by a series of test insertions, at the end of which came the certification of a climate research laboratory weighing around 1.6 tons, the so-called CARIBIC measurement laboratory. The acronym CARIBIC stands for “Ci
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IMAGE: Solar modules without (left) and with (right; visualized) Phytonics film. The film almost completely suppresses reflection for all wavelengths and angles of incidence of light. view more
Credit: Photos by Andrea Fabry; Editing by Phytonics
The high-tech company Phytonics, a spinoff from the Karlsruhe Institute of Technology (KIT), gets inspired by plants: The Phytonics film with micro- and nanostructures modeled on rose petals provides an anti-reflective coating for all kinds of surfaces, makes solar modules up to ten percent more efficient, and gives many objects a noble velvety appearance. At the Hannover Messe 2021 from April 12 to 16, the innovation will be showcased at KIT s virtual booth Future Hub.