TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: At least one of the stabilizing additive is a 1,3,5-triazinane-2,4,6-trione (t1). The (t1) is substituted (1,3,5)triazinane-2,4,6-trione compounds of formula (I) preferably 1,3,5-trimethyl-(1,3,5)triazinane-2,4,6-trione, 1,3,5-trivinyl-(1,3,5)triazinane-2,4,6-trione, 1,3,5-triethynyl-(1,3,5)triazinane-2,4,6-trione, 1,3,5-triallyl-(1,3,5)triazinane-2,4,6-trione, 1,3,5-tri-prop-2-ynyl-(1,3,5)triazinane-2,4,6-trione, 1,3,5-tris-oxiranylmethyl-(1,3,5)triazinane-2,4,6-trione, acrylic acid 2-(3,5-bis-(2-acryloyloxy-ethyl)-2,4,6-trioxo-(1,3,5)triazinan-1-yl)-ethyl ester, 1,3,5-tris(3-(trimethoxysilyl)propyl)-1,3,5-triazinane-2,4,6-trione, 1-(2-oxo-(1,3)dioxolan-4-yl)-3,5-bis-(2-oxo-(1,3)dioxolan-4-ylmethyl)-(1,3,5)triazinane-2,4,6-trione, 1,3,5-tris-(2-oxo-(1,3)dioxolan-4-ylmethoxymethyl)-(1,3,5)triazinane-2,4,6-trione, 1,3,5-tris-((E)-3-(2-oxo-(1,3)dioxolan-4-yl)-allyl)-(1,3,5)triazinane-2,4,6-trione or 1,3,5-tris-(2-oxo-(1,3)dioxol-4-ylmethyl)-(1,3,5)triazinane-2,4,6-trione.R1-R3 = alkyl, siloxyalkyl, silylalkyl, epoxy or epoxyalkyl, carbonate, ethylene carbonate, vinyl carbonate or vinyl ethylene carbonate (all optionally substituted), H, F, Cl, Br, CN, NO2, alkoxyalkyl, alkenyl or alkynyl, organophosphate or ester, preferably methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, tert-butyl, vinyl, 2-propenyl, 3-butenyl, acetylenyl, 2-propynyl or 3-butynyl.The alkali metal salt is lithium-bisoxalatoborate, lithium monooxalato boron difluoride (Li(C2O4)BF2), lithium perchlorate, lithium tetrafluoro borate, lithium hexafluoroarsenate, lithium hexafluorophosphate, lithium trifluoromethanesulfonate, lithium bis(trifluoromethylsulfonyl)amide(1-), lithium tris(trifluoromethane sulfonyl)methide, lithium bis(perfluoroethanesulfonyl)imide (LiN(SO2C2F5)2) and/or lithium alkyl fluorophosphates. The polar aprotic solvent comprises ethylene carbonate, propylene carbonate, dimethyl carbonate, ethyl methyl carbonate diethyl carbonate, methyl propyl carbonate, ethyl propyl carbonate, dipropyl carbonate, bis(trifluoroethyl)carbonate, bis(pentafluoropropyl)carbonate, trifluoroethyl methyl carbonate, pentafluoroethyl methyl carbonate, heptafluoropropyl methyl carbonate, perfluorobutyl methyl carbonate, trifluoroethyl ethyl carbonate, pentafluoroethyl ethyl carbonate, heptafluoropropyl ethyl carbonate, perfluorobutyl ethyl carbonate, fluorinated oligomers, dimethoxyethane, triglyme, dimethylvinylene carbonate, tetraethyleneglycol, dimethyl ether, polyethylene glycols, sulfones and/or butyrolactone. The electrolyte comprises 0.0005-50 wt.% (t1). The cathode is a lithium metal oxide cathode, the anode is a carbon or lithium metal anode and the anode and cathode are separated from each other by a porous separator. EXAMPLE - No suitable example given.