This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Metal air batteries barchart. en bar chart of the theoreticly attainable energy densities with metalair batteries The chart was made based on an image in Elektor Magazine september This image the chart was based on was made by the RWTH Aachen University ISEA own KVDP graph Electrochemical batteries Energy storage