Tantanin halitta cadmium nau'i ne na tantanin halitta na electrochemical wanda ke haifar da ƙarfin lantarki ko bambancin ƙarfin lantarki ta hanyar halayen sinadarai tsakanin cadmium da mercury oxide. Yawanci ana amfani da tantanin halitta azaman ma'auni don auna yuwuwar wutar lantarki, kuma ana samun ta a cikin dakin gwaje-gwaje da saitunan masana'antu. Kwayoyin Cadmium kuma ana kiran su da ƙwayoyin Weston, bayan mai ƙirƙira Edward Weston, wanda ya ƙirƙira daidaitaccen sigar tantanin halitta a ƙarshen karni na 19.