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Lithium compensation for full cell operation

United States Patent

May 17, 2016
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Disclosed herein are embodiments of a lithium-ion battery system comprising an anode, an anode current collector, and a layer of lithium metal in contact with the current collector, but not in contact with the anode. The lithium compensation layer dissolves into the electrolyte to compensate for the loss of lithium ions during usage of the full cell. The specific placement of the lithium compensation layer, such that there is no direct physical contact between the lithium compensation layer and the anode, provides certain advantages.
Xiao; Jie (Richland, WA), Zheng; Jianming (Richland, WA), Chen; Xilin (Richland, WA), Lu; Dongping (Richland, WA), Liu; Jun (Richland, WA), Zhang; Jiguang (Richland, WA)
Battelle Memorial Institute (Richland, WA)
14/ 231,058
March 31, 2014
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT This invention was made with government support under DE-AC05-76RL01830 awarded by the U.S. Department of Energy. The government has certain rights in the invention.