Modification of Poly(ether ether ketone) Polymer for Fuel Cell Application

Table 2

Measured wt% of elements in Br-PEEK.

Element	wt%
	PEEK	3 h	6 h	9 h	24 h
C	86.63	66.71	59.48	54.33	48.27
O	13.37	12.86	11.73	10.8	8.31
Br	—	20.43	28.79	34.87	43.42