Amornkul, P. N., Vandenhoudt, H., Nasokho, P., Odhiambo, F., Mwaengo, D., Hightower, A., ...
OBJECTIVES: To estimate HIV prevalence and characterize risk factors among young adults in Asembo, rural western Kenya. DESIGN: Community-based cross-sectional survey. METHODS: From a demographic...
Kinetics of Hydrogen Diffusion in LaNi5-xSnx Alloys (2004)
Ratnakumar, B. V., Hightower, A., Witham, C., Bowman, R. C., Fultz, B.
Solid-state diffusion of hydrogen in metal hydride (MH) alloys is recognized as the rate determining step in the discharge of MH alloys in alkaline Ni-MH rechargeable cells. In our pursuit of new...
Electrochemical Studies on LaNi5-xSnx Metal Hydride Alloys (2004)
Ratnakumar, B. V., Witham, C., Bowman, R. C. Jr., Hightower, A., Fultz, B.
Electrochemical studies were performed on LaNi5-xSnx with 0(less than or equal to)x(less than or equal to)0.5. We measured the effect of the Sn substituent on the kinetics of charge transfer and...
Electrochemical Evaluation of LaNi5-xGex Metal Hydride Alloys (2004)
Whitham, C., Ratnakumar, B. V., Bowman, R. C. Jr., Hightower, A., Fultz, B.
We report a detailed evaluation of Ge-substituted LaNi5 for electrochemical application as a negative electrode inalkaline rechargeable cells. Alloys with small substitutions of Ge for Ni show...
A***Sup119***Sn Mossbauer Spectometry Study of Li-SnO Anode Materials for Li-Ion Cells (2004)
Ratnakumar, B., Huang, C. K., Hightower, A., Delcroix, P., Le Caer, G., Ahn, C., ...
Anode materials of SnO were charged reversibly with Li to capacities greater than 600 mAh/g.
Performance of LaNi***sub4.7***Sn***sub0.3*** Metal Hydride Electrodes in Sealed Cells (2004)
Hightower, A., Witham, C. K., Bowman, R. C. Jr., Ratnakumar, B. V., Fultz, B., Czajkowski, B., ...
Cycle life and kinetics studies were performed on sealed nickel metal hydride electrochemical cells with anodes of LaNi***4.7***Sn***sub0.3*** and of a standard misch metal alloy.
Irreversible Capacities of Graphite in Low Temperature Electrolytes for Lithium-Ion Batteries (2004)
Ratnakumar, B., Smart, M., Surampudi, S., Wang, Y., Zhang, X., Greenbaum, S., ...
Carbonaceous anode materials in lithium ion rechargeable cells experience irreversible capacity, mainly due to a consumption of lithium in the formation of surface passive films. The stability and...
Electron energy-loss spectrometry on lithiated graphite (2000)
Hightower, A., Ahn, C. C., Fultz, B., Rez, P.
Transmission electron energy-loss spectrometry was used to investigate the electronic states of metallic Li and LiC6, which is the Li-intercalated graphite used in Li-ion batteries. The Li K edges of...
Electrochemical Properties of LaNi5–xGex Alloys in Ni-MH Batteries (1997)
Witham, C., Hightower, A., Fultz, B., Ratnakumar, B. V.
Electrochemical studies were performed on LaNi5–xGex metal hydride alloys with 0
Electrochemical Studies on LaNi5–xSnx Metal Hydride Alloys (1996)
Ratnakumar, B. V., Witham, C., Hightower, A., Fultz, B.
Electrochemical studies were performed on LaNi5–xSnx with 0
Wenger, J D, Harrison, L H, Hightower, A, Broome, C V
To identify characteristics of day care facilities associated with H. influenzae disease, we compared 92 licensed facilities in which a case of H. influenzae disease had occurred with randomly...
Wenger, J D, Harrison, L H, Hightower, A, Broome, C V
To identify characteristics of day care facilities associated with H. influenzae disease, we compared 92 licensed facilities in which a case of H. influenzae disease had occurred with randomly...