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Current #battery #cell #chemistries mostly rely on #lithium. They frequenty consist of #nickel and/or #cobalt as well. Eventhough these three #materials are not considered #rare-#earth #elements, the amount of accessible #raw material deposits are limited. Plus, as #production volumes of lithium-ion #batteries increase (and #prices are shocking producers!), #battery #researchers are seeking for #alternative innovative materials. These materials must indisputably improve sustainability standards with respect to #mining, #transport, #processing and #recycling. This is where "#multivalent #batteries" come into play!

Multivalent batteries are #electrochemical #storage #technologies that employ "multivalent ions", e.g., Mg2+, Ca2+, Zn2+, Al3+ as the active #charge carrier in the #battery #electrolytes as well as in the battery #anodes & #cathodes. Materials such as #magnesium, #calcium, #zinc or #aluminum are much more #abundant compared to materials inside a traditional lithium-ion battery.

Our #podcast guest is emphasizing another aspect: #Multivalent #batteries THEORETICALLY even provide greater #energy #density and #storage #capacity! This is due to their greater valency. Our guest expert, Prof. Dr. M. #Rosa #Palacín Peiro is a Spanish battery researcher at the "Institute of Materials Science" of Barcelona. She is a member of the "ALISTORE ERI" Network of Excellence, the President of the "International Battery Association" (IBA) and a member of the Governing Board for Batteries Europe (#European #Commission). She explains why multivalent batteries will be driven by the speed of research, sustainability, supply chain and price!

#Multivalent #Charge #Carriers - Download a chapter on multivalent batteries for the Encyclopedia of Electrochemistry: https://hiu-batteries.de/wp-content/u...

Headlines on multivalent battery cell chemistries:

1) https://www.engineering.com/story/ami...

2) https://www.newscientist.com/article/...

3) https://www.deccanherald.com/science-...

4) https://www.intelligentliving.co/batt...

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