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Solid State Oxide Fluorides Kenneth R. Poeppelmeier, Northwestern University, DMR-0312136

[VO 2 O 2/2 ] -. [VO 2 O 2/2 F 2 ] 3-. Ag + cations. Ag 4 V 2 O 6 F 2. Solid State Oxide Fluorides Kenneth R. Poeppelmeier, Northwestern University, DMR-0312136.

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Solid State Oxide Fluorides Kenneth R. Poeppelmeier, Northwestern University, DMR-0312136

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  1. [VO2O2/2]- [VO2O2/2F2]3- Ag+ cations Ag4V2O6F2 Solid State Oxide FluoridesKenneth R. Poeppelmeier, Northwestern University, DMR-0312136 • The Ag4V2O6F2 structure incorporates high amounts of silver per formula unit (compared to the current industry standard), which makes it a potentially superior cathode material for primary Li-batteries. • Octahedral [VO2O2/2F2]3- and tetrahedral [VO2O2/2]- units connect to form infinite chains. Ag+ cations are located between the chains. • Electrochemical testing of Ag4V2O6F2 in collaboration with Argonne National Laboratory (ANL) has led to a US Patent Disclosure.

  2. Solid State Oxide FluoridesKenneth R. Poeppelmeier, Northwestern University, DMR-0312136 The NSF Division of Materials Research award supports a comprehensive and interdisciplinary educational program in inorganic solid state chemistry. Graduate Students:Paulette Guillory (PhD 2004, Illinois Minority Graduate Incentive Program), Heather Izumi (PhD 2004), Amy Kopf (PhD 2004), Mike Marvel (PhD 2007). Post Doctorals:Dr. Janet Kirsch, PhD University of Wyoming, Dr. Paul Maggard, PhD Iowa State, Assistant Professor of Chemistry North Carolina State University 2002; Dr. Sylvie Malo, PhD Université de Caen, Maitre de Conferences, or Assistant Professor, Université de Caen/Basse Normandie 2001. International Exchange:Professor Makoto Sasaki, Materials Science and Engineering Muroran Institute of Technology, Muroran, Japan, Dr. Keitaro Tezuka, PhD Hokkaido University, Dr. Masaaki Isobe, Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Japan; Dr. Ha Kyun Jung, Advanced Materials Division, Korean Research Institute of Chemical Technology, Tacjon, Korea; Professor Tor Grande, Norwegian University of Science and Technology, Trondheim, Norway. Collaborators:Erin Sorensen (PhD 2005), ONR MURI Grant N00014-01-1-0810, Dr. John Vaughey, Argonne National Laboratory, Professor Shiv Halasyamani, University of Texas-Houston.

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