---

• n  a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group

• They have tongue-twisting names (praseodymium, gadolinium, cerium, lanthanum, ytterbium, etc.
• If cerium 144 can be used, the unit cost might be as low as $600 per battery.
• The stuff was faintly hot, containing the radioactive cerium and yttrium that are typical products of nuclear fission.

• Ce
• atomic number 58

News & Articles

---

• Efficient production process for coveted nanocrystals
  A formation mechanism of nanocrystalline cerium dioxide (CeO2), a versatile nanomaterial, has been unveiled. This finding potentially simplifies and alleviates the existing synthetic processes of nanocrystalline CeO2 production.
  June 25, 2013 - Science Daily

Quotes

---

• Wendelin in Nanotechnology and Development News
  Researcher Wendelin Stark says, "Intuitively, we presumed that practically 100 percent of the cerium oxide particles would remain trapped in the sewage sludge. After all, the particles should form clumps and sink to the bottom."