Image (IMAGE) Science China Press Caption Contact angle experiments of Li metal and graphite materials: (a-c) highly oriented pyrolytic graphite (HOPG); (d-f) porous carbon paper (PCP); (g-i) lithiated porous carbon paper (lithiated PCP). Credit ©Science China Press Usage Restrictions Use with credit. License Licensed 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.