XG Sciences announced that Samsung Ventures placed a strategic investment in the company. XGS did not disclose the terms of the investment, but they said that it will be used to "fund additional research and development of the company’s advanced materials".
XG Sciences also plans to formalize their development work with Samsung SDI (the world's largest Li-Ion battery maker) in a joint development program aimed at next-generation batteries for consumer electronics and other devices.
In April 2013 XG Sciences launched new graphene-based anode materials for Li-Ion batteries that has four times the capacity of conventional anodes. The new anode materials use the XG's xGnP graphene nanoplatelets to stabilize silicon particles in a nano-engineered composite structure. Later in November 201 XGS has been awarded $1 million in funding from the US Department of Energy for continued development of these lithium-ion battery materials. I do not know whether these materials are part of the development effort of XGS and Samsung SDI.