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Abstract In response to global energy scarcity, frontiers in multifunctional composite phase change materials (PCMs) with photo‐/electro‐/magnetothermal triggers show great potential in multiple energy utilization. However, most available composite PCM candidates are inadequate for multiple energy storage applications simultaneously. Herein, a green synthetic route is proposed to develop bimetallic zeolitic imidazolate framework (ZIF)‐derived 1D–2D bridged array carbon‐based composite PCMs for simultaneous photo‐/electro‐/magnetothermal energy storage applications. As graphitization‐induced catalyst, Co nanoparticles greatly boost the formation of ZIF‐derived 1D–2D bridged array carbon framework with high graphitization and low interface electrical/thermal resistance. Benefiting from the broadband intense photon capture, fast photon/electron/phonon transport, and surface plasma resonance effect of Co nanoparticles, the resulting composite PCMs integrate advanced photo‐, electro‐, and magnetothermal storage functions. Furthermore, composite PCMs also exhibit long‐lasting shape stability, structural stability, thermal storage stability, and photo‐/electro‐/magnetothermal storage stability after undergoing multiple heating–cooling cycles. This study is promising to accelerate the major breakthroughs of advanced multifunctional carbon‐based composite PCMs toward multiple energy utilization.
Chen et al. (Sun,) studied this question.