By Paul Lienert (Reuters) – An inadequate charging network and insufficient access to battery raw materials are critical bottlenecks that could shackle demand for electric vehicles, according to Ford Motor Co’s chief electrification executive on Monday. “Infrastructure is the biggest thing that really has to be nailed for widespread adoption” of EVs, Doug Field said at an EV conference in London. “A lot of coordination is going to be required to get the right levels of compatibility, capability, reliability in that charging network so people just don’t have to worry about it.” Field, who is ch…