Sulphonated polyimides, membranes prepared with them, and a fuel cell device that includes these membranes
申请人:——
公开号:US20010019787A1
公开(公告)日:2001-09-06
The invention relates to sulphonated polymides, notably of formula (I)
1
The invention also relates to an ion exchange membrane that includes such a polyimide and a fuel cell that includes such a membrane.
The membranes of the invention have excellent durability and low cost and the fuel cells can be used, in particular, in electric vehicles.