Mu myaka yashize, gushaka ububiko bwingufu burambye kandi bukora neza byatumye abashakashatsi bashakisha ubundi buhanga bwa bateri. Imwe mu iterambere rishimishije muriki gice ni bateri ya sodium, itanga ubundi buryo bwo kwizera kuri bateri gakondo ya lithium-ion ikunze gukoreshwa muri elegitoroniki yabaguzi. Bateri ya sodium ikoresha ion ya sodium yo kubika ingufu kandi itanga byinshi