The innovation is based on thermochemical storage, which stores energy via reversible chemical reactions rather than hot water or other traditional methods. Unlike conventional thermal systems that suffer from gradual heat loss, this process retains energy without degradation until it's needed—offering higher energy density and longer-duration storage capabilities.
This kind of “on-demand” performance could help building owners take advantage of low-cost electricity during periods of surplus generation, then deploy that energy when prices spike or demand peaks. A 5 kW prototype has already been tested in lab conditions, responding dynamically to smart tariffs and grid signals.
In many commercial buildings—especially those with limited infrastructure or variable load profiles—full electrification of heating and cooling remains complex and expensive. The Birmingham system targets these gaps by enabling energy to be stored and used independently of when it was generated.
By smoothing out energy demand and avoiding reliance on peak-hour electricity, the technology has the potential to reduce both operating costs and grid impact. Preliminary analysis also points to a lower total cost of ownership compared to some existing low-carbon alternatives, thanks to its modular design and storage efficiency.
The research team, led by Professor Yongliang Li in the School of Chemical Engineering, is now partnering with a UK-based company to move the system toward commercial deployment. The focus is on real-world testing in sectors like manufacturing, engineering, and commercial property management—environments where heating and cooling needs can be both high and unpredictable.
University of Birmingham Enterprise is also exploring additional pilot opportunities, aiming to demonstrate how the system can integrate with existing building energy systems and respond to dynamic electricity pricing.
As grids become more saturated with intermittent renewables, this kind of technology could play a growing role—converting heat and cooling into flexible energy services, rather than fixed infrastructure costs.
