| Abstract
| - Studies on nanoscale materials have received great interest in both fundamental and applied aspects in recentyears. In this letter, we report the synthesis of CoOOH nanorods and their possible applications as coatingmaterials on nickel hydroxide for high-temperature nickel−metal hydride (Ni−MH) cells. The morphologyand structure of CoOOH nanorods and coated nickel hydroxide particles are investigated by transmissionelectron microscopy, X-ray diffraction, and scanning electron microscopy, respectively. The electrochemicalproperties in the cylindrical AA size Ni−MH cells are evaluated. Our results show that the Ni−MH cells,where the positive electrodes are composed of such nanometer sized CoOOH coatings, have a higher capacityavailable and good performance at elevated temperatures of >50 °C.
|
