Page 606 - Handbook of Battery Materials

580 17 Liquid Nonaqueous Electrolytes

Table 17.15 Composition of surface films at lithium and
lithiated carbons determined by several surface analysis
methods.

Solid Liquid Method Species References
phase/ phase/
electrode electrolyte

Li SO 2 EA, IR, Li 2 S 2 O 4 ,Li 2 S, [373, 374]
XPS Li 2 SO 3 ,Li 2 S 2 O 5 ,
Li 2 S n O 6
Li LiAsF 6 – FTIR LiO 2 COR, Li 2 CO 3 [346]
EC/THF, EC, (aging)
2-Me-THF/EC
Li LiAsF 6 –DIOX FTIR Li x AsF y from [337]
LiAsF 6 ,Li 2 CO 3 ,
LiO 2 COR, LiOR,
LiO 2 CH
Li LiAsF 6 – MPC FTIR LiO 2 COR, [335]
LiOCH 3 ,LiOC 3 H 7 ,
Li 2 CO 3 (at storage)
Li LiAsF 6 –DME, SNIFTIR, LiO 2 COR, Li 2 CO 3 , [375]
EC, PC EMIRS peroxides, ketals
Li LiAsF 6 – PC XPS, LiO 2 COR, Li 2 CO 3 , [342, 346, 350]
FTIR, IR LiOH, Li 2 O, few
LiF
Li LiAsF 6 –PC, FTIR, LiO 2 COR (PC), [346, 376]
THF ESCA LiOR (THF), LiF,
As
Li a LiAsF 6 –SO 2 , XPS Li 2 SO 3 ,As 2 O 3 ,F [377]
AN (40%), C (32%), O
(16%), S (3%)
Li LiAsF 6 – THF FTIR, LiOR, traces of [361, 378]
EDAX, EA Li 2 CO 3 ,and
IR, ESCA LiO 2 COR (from
CO 2 and H 2 O
contamination),
0
LiF, Li x AsF y ,As ,
As 2 O 3
Li LiBF 4 – PC XPS Mainly LiF [342]
Li LiBr – PC FTIR, LiO 2 COR, traces [354]
ESCA Li 2 CO 3 (from
water?)
Li LiClO 4 – DEC FTIR, XPS LiO 2 COR, LiOR, [355]
Li 2 CO 3
Li LiClO 4 –DIOX FTIR, LiCl, LiOR, [379]
ESCA LiOCH 2 OCH 2 CH 3 ,
polymers