Page 528 - Handbook of Battery Materials

16.3 SEI Formation on Carbonaceous Electrodes 501

10 80

60
5.0
40
0 20
0
nm 20 40
60
80
Figure 16.7 An STM image of an oxidized R-LibaD Lonza
◦
graphite (3% burnoff, 500 C, 7.5 h) [23].

H COOH

H COOH
COOH
H
OXIDATION
O
H
H OH

1 st
LITHIATION
(CHARGE)

COOLi OC(OLi) 2 COOLi

COOLi OC(OLi) 2 COOLi
COOLi F-Li COOLi
OLi OC(OLi) 2 OLi

OLi polymers OLi

C.B SEI
Figure 16.8 The formation of a chemically bonded SEI at
the zig-zag and armchair faces (schematic presentation of
an organic carbonate-based electrolyte) [23].