EP 2896083 A1 20150722 - METHOD FOR OPERATING A LITHIUM-ION BATTERY
Title (en)
METHOD FOR OPERATING A LITHIUM-ION BATTERY
Title (de)
VERFAHREN ZUM BETREIBEN EINER LITHIUMIONENBATTERIE
Title (fr)
PROCEDE DE FONCTIONNEMENT D'UN ACCUMULATEUR DU TYPE LITHIUM-ION
Publication
Application
Priority
- FR 1258571 A 20120912
- EP 2013068913 W 20130912
Abstract (en)
[origin: WO2014041074A1] The invention relates to a method for operating a lithium-ion battery including at least one cell that includes: a negative electrode (14) (the first electrode) and a positive electrode (11) (the second electrode), between which a lithium-ion-conducting electrolyte is placed, and a third lithium-ion source electrode. Said method includes: a) a step for preparing said first electrode, said step including a lithiation operation, via the third electrode, of an electrode including a material made of at least one metal or semi-metal element M capable of forming an alloy with lithium such as to obtain said first electrode, including an active material that includes an alloy of at least one metal or semi-metal element M and lithium in a molar ratio Li/M up to 5, said step also being carried out under conditions sufficient to obtain said active material having a molar ratio Li/M (M being the metal or semi-metal element M as defined above) at least equal to 1/3 of the molar ratio when said material is completely alloyed with lithium; and b) a step of operation of said battery via cycling in lithium, between said negative electrode and said positive electrode, without totally delithiating said negative electrode, said step being carried out in a capacity domain corresponding to, at most, 2/3 of the total reversible capacity of the active material of said negative electrode.
IPC 8 full level
H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/38 (2006.01); H01M 4/46 (2006.01); H01M 10/052 (2010.01)
CPC (source: EP)
H01M 4/0461 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/386 (2013.01); H01M 10/052 (2013.01); H01M 4/131 (2013.01); H01M 4/387 (2013.01); H01M 4/463 (2013.01); Y02E 60/10 (2013.01)
Citation (search report)
See references of WO 2014041074A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 2995455 A1 20140314; FR 2995455 B1 20151002; EP 2896083 A1 20150722; WO 2014041074 A1 20140320
DOCDB simple family (application)
FR 1258571 A 20120912; EP 13759783 A 20130912; EP 2013068913 W 20130912