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New Membrane Doubles Osmotic Energy Harvest from Salt Gradients

Researchers have developed a semipermeable membrane that significantly enhances the efficiency of osmotic power generation, promising more sustainable energy solutions.

  • A new semipermeable membrane achieves over twice the output power density of existing commercial membranes.
  • The innovative design features decoupled channels for ion and electron transport, improving conductivity and reducing resistivity.
  • In tests simulating estuary environments, the membrane maintained high performance for 16 days continuously.
  • The development could expand the use of ecological materials in energy-harvesting technologies.
  • Funded by the National Natural Science Foundation of China, the research was published in ACS Energy Letters.
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