Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore ...

Anybody can develop high frequency hearing loss, but it becomes more common with age. Exposure to loud sounds or high frequency sounds are common causes of ear damage in younger people.

Countermeasures such as integrated heaters, improved electrolytes, or electrode coatings increase the cost ... good electrochemical performance with high capacity and a high rate capability ...

The team developed a new surface coating for high-voltage cathodes that allows operation up to 4.8 volts.