Esther Takeuchi, University at Buffalo (IMAGE) University at Buffalo Caption Esther Takeuchi developed the battery that made possible the first implantable cardiac defibrillators. Now she is applying her unique perspective on how to coax the best performance out of battery chemicals to the electrical grid. Credit University at Buffalo Usage Restrictions None 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.