1. Department of Chemistry Oregon State University Corvallis OR 97331-4003 USA
2. Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education) College of Physics Jilin University Changchun 130012 P. R. China
3. Chemical Sciences and Engineering Division and X-ray Science Division Advanced Photon Sources Argonne National Laboratory Lemont IL 60439 USA
4. CAMCOR University of Oregon Eugene OR 97403 USA
5. Hewlett–Packard Co. 1000 NE Circle Blvd. Corvallis OR 97330 USA