Figure 1 (IMAGE) Tohoku University Caption The 3D-printed lattices were prepared in three different sizes. Carbonization through pyrolysis shrunk the electrode and increased its performance. Credit Tohoku University Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.