The impact of lithium-metal-polymer battery characteristics on telecom power system design

AVESTOR's lithium-metal-polymer (LMP) technology is an advanced battery system for stationary and automotive applications. Papers have been presented at Intelec in past years on this technology, focusing on basics of the electrochemistry, key benefits and field test results. The present paper will describe the electrochemical system in greater detail, outline the subsystems that optimize the operation of the battery and show their impact on telecommunication applications. The lithium-metal-polymer battery utilizes an electrochemical configuration composed of a metallic lithium anode, a simple copolymer based on polyether chemistry, vanadium oxide and a lithium salt, lithium bistrifluoromethanesulfonamide (LiTFSI). What are the specifics of the LMP electrochemistry and how does it influence the properties and performance of the battery? This paper will answer these questions by describing and explaining the electrochemistry and the resulting properties of the electrochemical cell. To optimize the battery performance, certain conditions are required and are achieved by control subsystems integrated into the battery. This paper will explain these main subsystems, their function and their influence on operation and performance. Finally, this paper will describe how the electrochemistry and its integrated subsystems affect the installation and operation of LMP batteries in telecommunication applications from an end-user perspective.