Rare transition metal essential to capacitors in every smartphone, server, and weapon system; over 60 percent of global supply comes from artisanal mining in conflict-affected eastern DRC.
A transition metal of which Brazil controls roughly 90% of world supply, niobium is the critical additive in high-strength steels used globally in cars, pipelines, and construction.
詳細ファイル ›A transition metal that hardens steel rebar and stores renewable electricity in flow batteries, with China controlling roughly 60% of global supply as of mid-2026.
2026年1月28-29日、北キブ州ルバヤの地滑りで220人超の零細採掘者が死亡。OFACは3月にルワンダ国防軍を制裁対象に指定。タンタルコンデンサ価格はAIサーバー需要で15-30%上昇。CBMMとEchionは年産2000トンのニオブ負極施設を開設