27 Jan '15, 9am

Researchers exploring Li-Tellurium for high energy density batteries

Researchers exploring Li-Tellurium for high energy density batteries

Among various rechargeable battery systems, rechargeable Li-sulfur (S) batteries have been proposed as an alternative system for Li-ion secondary batteries because of their high theoretical energy density … Despite its advantageous features, however, the rechargeable Li-S battery is plagued by two major problems. One is the insulating characteristic of S and the other is the solubility of the Li-polysulfides generated during the discharge/charge process in various electrolytes; these problems contribute to significant loss of S during cycling and results in a poor cyclability. … Although … efforts have led to enhanced electrochemical performance of S electrodes, it is still not sufficient for practical utilization.

Full article: http://www.greencarcongress.com/2015/01/20150127-lite.html

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