Iron-based oxides are promising oxygen carriers for chemical looping syngas production from methane; however, facile coke formation over reduced metallic Fe0 largely limits the syngas productivity.

Describe the bug Upon hitting a rate limit, I get the message ℹ ⚡ Rate limiting detected. Automatically switching from gemini-2.5-pro to gemini-2.5-flash for faster responses for the remainder of t ...