Tucked inside DCU’s innovation campus on the old Finglas Road in north Dublin is a ground-breaking company called Exergyn. It is not a household name. But for the last nine years, it has been trying to solve one of the biggest problems facing the planet. It has raised €7 million from well over 100 investors as it strives to create a break-through in clean-tech: the commercial application of shape memory alloys. Adding in grants, partnerships, sweat equity, and other support, the total that has gone into the business is close to €20 million. The EU Horizon 2020, Carbon Trust UK,…