Energy

‘Sun in a box’ -a thermal energy grid storage solution using multijunction photovoltaics

 

“Even if we wanted to run the grid on renewables right now we couldn’t, because you’d need fossil-fueled turbines to make up for the fact that the renewable supply cannot be dispatched on demand,”

Asegun Henry, the Robert N. Noyce Career Development Associate Professor in the Department of Mechanical Engineering

 

Caleb Amy, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge MA, 02139, USA

Hamid Reza Seyf, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta GA, 30332, USA

Myles A. Steiner, National Renewable Energy Laboratory, Golden CO, 80401, USA

Daniel J. Friedman, National Renewable Energy Laboratory, Golden CO, 80401, USA

Asegun Henry, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge MA, 02139, USA and George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta GA, 30332, USA

 

As the expense of sustainable power source falls beneath petroleum derivatives, the most essential test to empower across the board economical power age has moved toward becoming making renewables dispatchable. Minimal effort vitality stockpiling can give this dispatchability, however, there is no unmistakable innovation that can address the issue. Siphoned hydroelectric and packed air stockpiling have low expenses, yet they are geologically obliged. Correspondingly, lithium-particle batteries are getting to be pervasive, however, even their lower bouncing asymptote cost is too high to empower cost-aggressive dispatchable renewables. Here, we present an idea dependent on warm vitality matrix stockpiling (TEGS) utilizing a multijunction photovoltaic warmth motor (MPV) with promising to start exploratory outcomes that could meet the minimal effort required to empower cost aggressive dispatchable renewables. The methodology misuses a critical tradeoff between the promotion of an amazingly ease for every unit vitality put away, by putting away warmth rather than power straightforwardly, while paying the punishment of a lower round outing effectiveness. To comprehend why this tradeoff is invaluable, we initially present a system for assessing stockpiling advancements that treat round outing productivity (RTE) as a variable, notwithstanding the expense per unit vitality put away (CPE) and cost per unit control (CPP). It is from this point of view that the TEGS-MPV idea offers a convincing financial suggestion.

 

Research Institutes:

 

 

Find publication at:

https://arxiv.org/ftp/arxiv/papers/1806/1806.06647.pdf

https://pubs.rsc.org/en/content/articlepdf/2016/ee/c6ee01372d

Patent: https://patents.google.com/patent/US20160197574A1/en