Addressing the pressing need for energy and climate change is our paramount challenge. The goal is a sustainable path towards a carbon-neutral future, leveraging abundant solar energy for electricity via solar cells or for chemical energy via artificial photosynthesis materials and transforming thermal energy through thermoelectric materials. Particularly, the synergy of the sun with seawater in sun-chemical fuel conversion yields the clean energy source, hydrogen gas (H2). Our research centers on unraveling the intricate mechanisms of energy conversion, storage, and conservation in various energy material systems, including solar hydrogen materials, thermoelectric materials, smart materials, and nanocatalyst systems. Practical application depends on a deep understanding of their fundamental knowledge, including electronic and atomic structures. We utilize synchrotron-based X-ray spectroscopies, particularly in situ/operando methods, providing insights into the electronic and atomic compositions throughout energy conversion, storage, and conservation processes. This project will involve PhD students, each responsible for specific energy topics during their TEEP internship, where they will gain knowledge in emerging energy materials and characterization techniques. The internship also includes hands-on experience with various x-ray-based spectroscopies at the prestigious international laboratories, Taiwan Light Source, and Taiwan Photon Source. This initiative expands international education and strengthens scientific and technological collaborations on a global scale.