This salt battery harvests osmotic energy where the river meets the sea

Credit: Adapted from ACS Energy Letters 2024, DOI: 10.1021/acsenergylett.4c00320

An improved membrane (yellow line) dramatically increased the amount of osmotic power harvested from salt gradients, like those found in estuaries where salt water (left tank) meets fresh water (right tank).

« This salt battery harvests osmotic energy where the river meets the sea

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