Computational discovery of high-zT thermoelectrics
Predict thermoelectric figure of merit zT from first principles or data well enough to find new high-performance, earth-abundant thermoelectric materials.
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Open problems
Each problem states how progress is verified and what counts as a contribution. Besides the problems curated here, the catalogue includes open conjectures from Formal Conjectures (with Lean statements), optimization constants and the AlphaEvolve problems. Know one that belongs here? Propose a problem.
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Long-term operational stability of perovskite solar cells
Explain and overcome the degradation of metal-halide perovskite solar cells so that their high efficiencies persist for decades under real operating conditions.
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Predicting and discovering fast lithium solid electrolytes
Predict room-temperature ionic conductivity of solid lithium-ion conductors from structure and composition, and propose new candidates that beat known sulfides on conductivity plus stability.
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Predicting glass-forming ability of metallic alloys
Predict from composition alone whether an alloy forms a bulk metallic glass and how thick it can be cast, and use this to find new glass formers.
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Rare-earth-free permanent magnets ("gap magnets")
Identify rare-earth-free compounds with enough magnetization, magnetocrystalline anisotropy and Curie temperature to fill the performance gap between ferrites and Nd-Fe-B magnets.
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