I've noticed that in those places that show my percentage of accepted answers that it is not clickable.
Previously I had found it tricky to get to my list of questions without accepted answers.
Since most fields are clickable I think it would be a fitting feature to link a user's accept-rate to this list.
user:###### hasaccepted:0
where ###### is your user number.user:me
will also work, for your own list.