Based on the search results, here are some relevant deals in energy storage technology:

• Quidnet Energy secured a $10 million Series B financing for their Geomechanical Pumped Storage (GPS) technology, which stores energy by pumping water under pressure into subsurface geological reservoirs.
• Rondo Energy received €75 million in project funding from Breakthrough Energy Catalyst and the European Investment Bank for three industrial decarbonization projects using their Heat Battery technology.
• Mangrove Lithium raised a $10 million Series A round led by Breakthrough Energy Ventures for their technology to refine and produce lithium for EV batteries.

These deals showcase investments in various energy storage solutions, from pumped storage to heat batteries and lithium production for EV batteries.