No, he didn’t have any plans to free the slaves. But he was definetly anti-slavery and had been from a young age. He expressed this many times in his writings and speeches, you should read them.
The Republican Parties official platform for the election states in section 8;
8. That the normal condition of all the territory of the United States is that of freedom: That, as our Republican fathers, when they had abolished slavery in all our national territory, ordained that “no persons should be deprived of life, liberty or property without due process of law,” it becomes our duty, by legislation, whenever such legislation is necessary, to maintain this provision of the Constitution against all attempts to violate it; and we deny the authority of Congress, of a territorial legislature, or of any individuals, to give legal existence to slavery in any territory of the United States.
It was clear that the final goal of the republican party was to get rid of slavery.
I have read sufficient of them to convince me that Lincoln very definitely opposed slavery, and that this was a heartfelt position by him. But I've also read enough about him to understand that his opposition to slavery would take a back seat to what he regarded as his primary concern, which was to advance his political philosophy of "Mercantilism".
It was clear that the final goal of the republican party was to get rid of slavery.
I used to believe that. Now I am not so sure. I have been persuaded that there is more to these events than meets the eye. If looked at from a basis of power, all of their moves seem to be directed at acquiring and keeping power, both political and financial. The Anti-Slavery rhetoric seems to just be propaganda for the rubes.