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Title: Lithium compensation for full cell operation

Patent ·
OSTI ID:1253339
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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.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
9,343,736
Application Number:
14/231,058
OSTI ID:
1253339
Resource Relation:
Patent File Date: 2014 Mar 31
Country of Publication:
United States
Language:
English

References (7)

Secondary lithium-ion cell with an auxiliary electrode patent January 2002
Negative electrode for secondary cell,secondary cell, and method for producing negative electrode for secondary cell patent-application December 2004
Electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries patent-application September 2007
Lithium Ion Batteries with Supplemental Lithium patent-application May 2012
Lithium Ion-Sulfur Battery patent-application June 2012
Method For Pre-Doping Anode And Lithium Ion Capacitor Storage Device Including The Same patent-application November 2012
Prelithiated current collector and secondary lithium cells containing same patent-application February 2013

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