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by spqr0a1 3221 days ago
You're right that Liu's paper does use external electrodes. And as for Sakimoto's paper it's true that the cadmium should be reusable indefinitely, but if you read the second page it's clear than cysteine is consumed in stoichiometric amounts. I'd be excited to hear about more recent work which improves upon this and would be happy to be corrected.