Structure of Thin film batteries
Encapsulation
Direct connect with battery’s stability
Protection the anode from exterior
Ex) Parlylene, Cr, V
Anode
Desorbs electrons as discharging
Ex) Li, SnO2, C
Electrolyte
High density of charge carrier
High density of vacancy & interstitial site
Low activation Energy of hopping
Cathode
Absorb electrons as discharging
Direct connect w
[Anode material]
The potential that is close the standard electrode potential of Li.
High energy density per volume & weight
Excellent cycle stability (Coulomb effeciency)
Have to endure rapid charging or discharging
Stability
.
.
.
[High Voltage]
[Pollution-Free]
[long cycle life]
[No Memory Effect]
[Safer than Lithium ion battery]
[lower internal resistivity]
[advantageous
Graphite
Stacked graphene layers, crystalline.
0.335 nm spacing betwwen planes.
About 10% volume expansion upon
Li intercalaion
Theoretical maximum capacity is
372mAl/g(LiC6)
Coating by Conductive Materials
The major effects and advantages
No classical binder is required to prepare mechanically and electrochemically stable anodes.
Irreversible capacity in the first cycle
instrument composition
-Electric furnace
Temperature range:
25°C~1500°C
Heat speed :
Maximum 200°C/min
*Separate Electric furnace and other system like Electronic scale
-Because Electric furnace temperature is very high
so we need to protect other system.
instrument composition
-Electric furnace
Temperature range:
25°C~1500°C
Heat speed :
Maximum 200°C/min
*N
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