Lutgard C De Jonghe, University of California Berkeley, Lawrence Berkeley National Laboratory

PolyPlus Battery Company invented and patented protected lithium electrodes or PLEs. For the first time, these electrodes enable the practical development of lithium-air and lithium-water and lithium-sulfur batteries with unprecedented energy densities. The state of development and the challenges for each of these battery chemistries will be discussed. PolyPlus is developing rechargeable and primary lithium-air batteries as well as primary lithium-water batteries. To date, 1300 Wh/kg for primary lithium-water  cells  and  1000 Wh/kg for Lithium air cells has been achieved. Recent developments include rechargeable Li-air cells and novel lithium-sulfur rechargeable concepts.

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