A phase-change solar energy system would be more compact and would store more energy than conventional systems that use rechargeable batteries.
(A phase-change solar energy system; would be; more compact) (A phase-change solar energy system; would store; more energy than conventional systems) (conventional systems; use; rechargeable batteries)
A phase-change solar energy system A phase-change solar energy system conventional systems
would be would store use
more compact
more energy than conventional systems
rechargeable batteries