Researchers develop 3D-printed graphene oxide electrodes for high-density energy storage

While thicker electrodes increase energy density by incorporating more active material, they typically suffer from poor ion transport and high resistance. To overcome this, the team designed interpenetrating 3D electrode architectures using an acrylate-based resin infused with graphene oxide (GO). The inclusion of GO enables the fabrication of highly porous, conductive structures that support both efficient ion diffusion and electron transport throughout ultra-thick electrodes.

Researchers from the University of California, Lawrence Livermore National Laboratory and Lawrence Berkeley National Laboratory recently developed a graphene-enabled 3D printing platform that addresses a fundamental limitation in electrochemical energy storage: the tradeoff between electrode thickness and transport efficiency.While thicker electrodes increase energy density by incorporating more active material, they typically suffer from poor ion transport and high resistance. To overcome this, the team designed interpenetrating 3D electrode architectures using an acrylate-based resin infused with graphene oxide (GO). The inclusion of GO enables the fabrication of highly porous, conductive structures that support both efficient ion diffusion and electron transport throughout ultra-thick electrodes.

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