Update
21 Jan 2019

Nano and Advanced Materials Institute Limited & Compass Technology Co
NAMI displayed self-powered flexible PCB for IoT electronics, powered by rechargeable printed lithium batteries, packaged on flexible printed circuit board (FPCB).
Background
11 Dec 2018

Lionrock Batteries
A Hong Kong-based company working on flexible batteries
Update
26 Nov 2018

Lionrock Batteries
Update from IDTechEx Show! USA 2018