I'm always curious about carbon fiber recycling.

It is my understanding that as long as you're using an epoxy matrix the best you can do is "down cycle", i.e. you shred your part, literally burn off the resin and reuse the scraps with new binder into e.g. airplane trays.

It sounds like maybe switching to a thermoplastic ("remeltable") matrix might be better but it will probably take decade(s) to research how to optimally produce and use those new parts.