Conventional Li ion battery is relatively high cost for some low-cost portable electronic applications. It has safety concerns because of its organic electrolyte and its strict requirements on its disposal and recycle, which may cause pollution if not handled properly.
Founded in 1911, The University of Hong Kong (HKU) is the first and oldest institution of higher education in Hong Kong. For over a century, the University has dedicated itself to creating knowledge, providing education, and serving society. Today, HKU has an established worldwide reputation for being a research-led comprehensive University with ten Faculties and a strong commitment to intellectual freedom, liberty and diversity. HKU has a proud record of academic recognition in researches through honours and awards received from both local and international bodies.