Performance characteristics of endoreversible chemical engines

Chemical engines process mass flows to convert differences in chemical potential into work - the analog of heat engines processing heat flows to generate work from temperature differences. For isothermal endoreversible chemical engines constrained to finite-time operation - examples of which include mass exchangers, electrochemical, photochemical, and solid-state devices: (i) optimal cycle types for maximizing average power output, (ii) upper bounds on power production, and (iii) sensitivity of these results to mass-transfer law, illustrated for linear and diffusive behavior, are derived.