Re: UH, Toyota researchers develop new cathode and electrolyte for high-power Mg battery rivaling Li-ion
Mg ion batteries "Could some day pose a challenge to Li-ion" with the emphasis on some day. Mg ion is still very far from being competitive with lithium ion. As lithium becomes entrenched the industry costs of a makeover to another battery chemistry become a prohibitive barrier i.e. the new chemistry has to be multiples better.