Two researchers from China recently reviewed the usage of different olivine phosphates in a blend with other compounds to be used as a potential cathode for lithium-ion batteries. This review paper has been published in the journal Intechopen.
Study: Revisiting Olivine Phosphate and Blend Cathodes in Lithium-Ion Batteries for Electric Vehicles. Image Credit: tong patong/Shutterstock.com
There is a global rush to acquire lithium-ion (Li-ion) battery materials due to its high demand, but limited extraction, production, and supply. Moreover, there are environmental and safety concerns associated with it.
Scientists are trying to find alternatives to these; although they have to compromise on certain aspects of these batteries such as high energy density and cost, they can achieve any additional benefits such as safety and long cycling stability.
There are four primary components in a Li-ion battery, namely, cathode, anode, electrolyte, and separator. The selection of electrolyte and separator depends upon compatibility with electrode materials and in most cases, the anode is just graphite, so the selection of cathode materials is the primary focus of most researches.
What is Olivine Phosphate?
Olivine is a crystal structure of A-M-PO4/SiO4, where A is alkaline earth metal like lithium (Li) or magnesium (Mg), M is transition metal/s like iron (Fe) and/or manganese (Mn), and they are bonded to either phosphate or silicate ion.
Especially, olivine phosphate has major commercial...
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