摘要 |
An energy system for delivering current to a load is provided. The energy system comprises a first energy source and a second energy source electrically connected in parallel. The first energy source comprises an electrochemical capacitor, and the second energy source comprises an electrochemical cell. The cell comprises a container, a first electrode and a second electrode, wherein the ratio of the electrode interfacial area of said cell, in square centimeters, to the container volume of said cell in cubic centimeters, is not more than about 27 cm<-1>. |