We Continue the Work of Those
Who Were the First.

  • Electrotechnics
  • Electrical Engineering
  • Light & Lighting
  • Power Engineering
  • Transportation
  • Automation
  • Communication
  • Smart Buildings
  • Industry
  • Innovation

Current issue

ELEKTRO 12/2021 was released on December 1st 2021. Its digital version will be available immediately.

Topic: Measurement, testing, quality care

Market, trade, business
What to keep in mind when changing energy providers

SVĚTLO (Light) 6/2021 was released 11.29.2021. Its digital version will be available immediately.

Fairs and exhibitions
Designblok, Prague International Design Festival 2021
Journal Světlo Competition about the best exhibit in branch of light and lighting at FOR ARCH and FOR INTERIOR fair

Professional literature
The new date format for luminaires description

Recyclable ‘veggie’ battery could power future devices

22. 3. 2021 | University of Glasgow | www.gla.ac.uk

A new type of 3D-printed battery made by a team of engineers led from the University of Glasgow uses electrodes made from vegetable starch and carbon nanotubes could provide mobile devices with a more environmentally-friendly, higher-capacity source of power.

The Glasgow-led team’s battery aims to strike a better balance between the size and the surface area of electrodes by introducing tiny nanoscale and microscale holes, or pores, into their design. By riddling the surface and interior of the electrodes with pores, they can greatly increase the surface area compared to a solid electrode of the same external dimensions.

Recyclable battery

To do so, they used an additive manufacturing technique, also known as 3D printing. They loaded their 3D printer with a material they developed which combines polylactic acid, lithium-iron phosphate and carbon nanotubes. The team’s 300-micron electrode battery with 70% porosity performed the best during testing, with a specific capacity of 151 milliampere-hour per gram, or mAh/g – the standard measurement of how much charge a battery can hold. That is around two to three times the performance of a traditional lithium-ion battery with a solid electrode of the same thickness.

Read more at University of Glasgow

Image Credit: Unsplash