This technique by Intelligent Textiles has been developed for military purposes, but can obviously have benefits for everyone. Using a central battery pack, wiring is woven in such a way that it can charge several items at once.
“One of the problems with conventional cables is that breakages can be catastrophic. What we do here is build in redundancy, so that if the fabric gets cut, damaged or torn, we still have a way of re-routing the data.”
In addition, it removes the hindrance of the many wires and cables required in military equipment. These can add weight and can tangle and snag.