From dust back to batteries (IMAGE) KTH, Royal Institute of Technology Caption Xiong Xiao, postdoc at the Division of Polymeric Materials at KTH Royal Institute of Technology in Sweden Credit David Callahan/KTH Royal Institute of Technology Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.