www.pels.org Vol. 1, No. 4 December 2014 For your engineering success Features 16 Power Electronics at the Grid Edge 23 Dynamics and Modeling of Rechargeable Batteries The key to unlocking value from the smart grid Deepak Divan, Rohit Moghe, and Anish Prasai What electrochemists' work tells the electronic engineers Nihal Kularatna On the cover Unlocking value from the smart grid- The benefits of applying power electronics at the edges of power grid are highlighted in our first feature article, "Power Electronics at the Grid Edge." The authors illustrate how grid-edge control using distributed power electronics solutions can transform the way the grid is planned, built, and controlled. Several companies are now offering grid-edge solutions, with the number expected to grow in the years ahead. IMAGE LICENSED BY INGRAM PUBLISHING 16 Departments & Columns 4 6 9 10 12 35 36 42 44 48 From the Editor President's Message Patent Reviews Happenings A Look Back Entrepreneur Viewpoint Society News Member News Event Calendar White Hot ©ISTOCK PHOTO.COM/JGROUP Digital Object Identifier 10.1109/MPEL.2014.2365132 December 2014 IEEE POWER ELECTRONICS MAGAZINE 1http://www.pels.org http://www.PHOTO.COM/JGROUP