(1) 2CH 3 OH+3O 2 ==2CO 2 +4H 2 O
(2) 3O 2 +12H + +12e - == 6H 2 O; 2CH 3 OH+2H 2 O-12e - ==2CO 2 +12H +
(3)正; 负极
(4)燃料电池减少了对空气的污染
(1) 2CH 3 OH+3O 2 ==2CO 2 +4H 2 O
(2) 3O 2 +12H + +12e - == 6H 2 O; 2CH 3 OH+2H 2 O-12e - ==2CO 2 +12H +
(3)正; 负极
(4)燃料电池减少了对空气的污染