Lastly, LG Chem developed a high-density 2, 100mAh battery that provides more power capacity and prolonged charging cycles.

ENGADGET: LG Optimus G revealed: 1.5GHz quad-core CPU, ICS, LTE, 4.7-inch screen with in-cell touch

At the time there were two high density optical storage formats being developed.

BBC: NEWS | Technology | Q&A: Death of a format

Recently, Professor Lee's research team has developed a high performance flexible LIB structured with high density inorganic thin films by using a universal transfer approach.

ENGADGET: Korean scientists solve flexible battery riddle (video)