State of Charge Control of Second Life Batteries Integrated by a Modular Multilevel Converter. - Violeta Rivera; Carlos Smart; Claudio Burgos-Mellado; Yeiner Arias-Esquivel; Miguel A. Torres; Marcos E. Orchard; Roberto Cárdenas-Dobson; Diego Muñoz-Carpintero (IEEE Trans. Ind. Electron., 2026)