Polysulfone을 이용한 bipolar막의 제조 및 전류/전압 특성

T em p er at u re [

C ]

W eight

PSfBPSf

SPSf

AMPS

Mola r rat io [ mol ClSO

H / mol B PSf ] 0 1 2 3 4

Area resistance [ Ωcm

]

0 10 20 30 40 50 60 70 80

M o la r ratio [ m o l C lO

H / mol BP Sf ] 0 1 2 3 4

Ion exchange capacity [ meq. / g dry memb. ]

0 1 2

M ol a r rat io [ m ol ClS O

H / mol BPSf ] 0 1 2 3 4

Water content [ % ]

16 18 20 22 24 26 28 30 M o lar r a tio [ m o l C lS O

H / m o l B P S f ] 0 1 2 3 4

Fixed ion concentration [ meq. / g H

O ]

0 2 4 6 8

30 50 70

Area resistance [ Ωcm

]

0 10 20 30 40 50 40 0 60 0 80 0 10 00

without washingwith washing

TEA w t%

30 50 70

Ion exchange capacity [meq. / g dry memb.]

0. 0 0. 5 1. 0 1. 5 2. 0

without washingwith washing

TE A w t%

30 50 70

Water content [%]

0 10 20 30 40 50

without washingwith washing

TE A w t%

30 50 70

Fixed ion concentration [meq. / g H

O]

3 4 5 6 7 8 9

without washing with washing

TE A w t% Elec tr ode pot ent ial [ V ] 0 3 6 9 12 15 18 21

Current density [mA / cm

]

0 50 100 150 200 250 300

BP1 ( 3 0 w t% TE A) BP2 ( 5 0 w t% TE A) BP3 ( 7 0 w t% TE A)

Mem b ra ne pot ent ial [V ] 0 2 4 6 8 10

Current density [mA / cm

]

0 50 10 0 15 0 20 0 25 0 30 0

BP1 ( 3 0 w t% TEA) BP2 ( 5 0 w t% TEA) BP3 ( 7 0 w t% TEA)

E lec tro d e p o ten tial [V ] 0 3 6 9 12 15 18 21

Current density [mA / cm

]

0 50 100 150 200 250 300

B P 1( w ith out w a s h ing) B P 1- 1( wi th w as hi n g)

M e m b ra n e p ot e nt ial [V ] 0 2 4 6 8 10 12

Current density [mA / cm

]

0 50 100 150 200 250 300

BP 1(w ithout w as hi ng) BP 1-1( w ith w as hi ng)