Page 313 - Lindens Handbook of Batteries
P. 313
BUTTOn CELL BATTErIES: SILVEr OxIDE–ZInC AnD ZInC-AIr SYSTEmS 13.19
Negative top
Gasket
Positive can
Zinc
Separator
Vent hole Diffusion PTFE film Cathode
pad
FiGURE 13.17 A typical zinc/air button battery (components not to scale).
Zinc anode
Separator
Barrier
Wire
mesh
Primary PTFE
layer
Cathode
Secondary mix
PTFE layer
Positive can Vent hole Diffusion pad
FiGURE 13.18 Key constructional features of the zinc/air cathode.
