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French oil producer sees energy storage as the missing link as it doubles down on solid state technology with its second foray into the battery supply chain

Total SA, the French oil producer, has bolstered its foothold in the lithium ion battery industry by purchasing a stake in Ionic Materials, a developer of next generation solid state battery materials.

Ionic Materials is based in Woburn, Massachusetts, US, and has been developing a new solid polymer technology - the key ingredient for the solid-state design - and intends to sell this material to battery producers. Solid state batteries are widely . . .