Rare

Rare metal content in photovoltaic panels

Instead, solar cells use a range of minor metals including silicon, indium, gallium, selenium, cadmium, and tellurium. . Rare earth materials are so called not because they are rare in the earth's crust, but because they are chemically very similar. This makes them difficult to mine and separate without a costly and polluting refining process. There are 17 REEs in the periodic table, comprising the lanthanide series. . Meta description: Explore why rare metals like indium and tellurium are vital for solar panels, their supply chain risks, and emerging alternatives. Learn how the renewable energy sector is tackling material scarcity through innovation. Did you know a single photovoltaic panel contains up to 16. . REEs are a group of 17 metallic elements on the periodic table. [PDF Version]