Aluminum-ceramic composites for thermal management in energy-conversion systems.

ABSTRACT: The most important property of energy-conversion ceramics in high-power lighting devices based on laser diodes (LDs) is thermal durability because high-energy LDs act as excitation and heat sources for ceramics. Herein, aluminum-ceramic composites (ACCs) are introduced for the manipulation of heat generated during high-power lighting. The cerium-doped aluminum garnet (YAG:Ce) phosphor is selected as the energy-conversion ceramic material. The ACCs have an all-in-one structure bridged by a low-melting glass material. In ACCs, the heat flow from the ceramic to Al is manipulated by a heat-flux throttling layer (TL) comprised of Al and glass. During high-power lighting operation, the input-output temperature differences (T_in - T_out) between the ceramic layer (input heat)

SUBMITTER: Park J 

PROVIDER: S-EPMC6294771 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature