Thermo-chemical storage for renewable energies based on absorption: Getting a uniform injection into the grid

Rodríguez-Hidalgo, M.C.; Rodríguez-Aumente, P.A.; Lecuona, A.; Legrand, Mathieu

doi:10.1016/j.applthermaleng.2018.09.096

Cited by 9 publications

(9 citation statements)

References 7 publications

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“…PtH technologies show a mature development with latent and sensible storage while only a limited number of applications with thermochemical storage is available in literature [313][314][315][316][317][318][319]. Existing applications focus on different aspects, hence a net comparison was not possible.…”

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

“…The hybrid system is an example cooling. This application for space coo Fitò et al [318] analyzed an amm of compression refrigeration with th typical architecture of a MVC cycle SrBr 2 +6H 2 O), the sorbate is condensed for use in the discharging process in the case of closed system or released in the environment in the case of open system. Heat stored is use both heating demand and supply of electricity during the discharging phase.…”

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

“…⇆ Figure 6. PtH/TCTES system developed by Ferrucci et al [174] and by Fitò et al [318] When there is a surplus of electricity generation and no cooling needs, the extra power is used to run the compressor in order to store energy for later use. By means of a smart controller, during the storage process, the evaporator is disconnected from the circuit and the reactor is connected to the compressor.…”

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

“…Fitò et al [318] analyzed an ammonia-based refrigeration system consisting in the hybridization of compression refrigeration with thermochemical storage. The proposed hybrid system has the typical architecture of a MVC cycle (evaporator, compressor, condenser, reservoir and throttling 2CuO + O 2 ).…”

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

“…Rodriguez et al [318] proposed an innovative hybrid absorption system based on the thermochemical technology to store electrical energy at large scale. The system consists of two storage tanks to accumulate a liquid solution at two different levels of pressure, a compressor powered by the excess renewable energy, a thermochemical storage tank (using of NH 3 /LiNO 3 , where NH 3 is the solute while LiNO 3 is the sorbent) and an independent vapor expander/turbine (T) located between the high and low pressure tanks that drives an electrical generator.…”

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

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A Review of Thermochemical Energy Storage Systems for Power Grid Support

et al. 2020

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Power systems in the future are expected to be characterized by an increasing penetration of renewable energy sources systems. To achieve the ambitious goals of the “clean energy transition”, energy storage is a key factor, needed in power system design and operation as well as power-to-heat, allowing more flexibility linking the power networks and the heating/cooling demands. Thermochemical systems coupled to power-to-heat are receiving an increasing attention due to their better performance in comparison with sensible and latent heat storage technologies, in particular, in terms of storage time dynamics and energy density. In this work, a comprehensive review of the state of art of theoretical, experimental and numerical studies available in literature on thermochemical thermal energy storage systems and their use in power-to-heat applications is presented with a focus on applications with renewable energy sources. The paper shows that a series of advantages such as additional flexibility, load management, power quality, continuous power supply and a better use of variable renewable energy sources could be crucial elements to increase the commercial profitability of these storage systems. Moreover, specific challenges, i.e., life span and stability of storage material and high cost of power-to-heat/thermochemical systems must be taken in consideration to increase the technology readiness level of this emerging concept of energy systems integration.

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Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

Section: Thermochemical Storage Energy Systems In Power-to-heat Applimentioning

confidence: 99%

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A Review of Thermochemical Energy Storage Systems for Power Grid Support

et al. 2020

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Thermal and electrical performance analysis of induction heating based‐thermochemical reactor for heat storage integration into power systems

Gassi

Lougou

Baysal

et al. 2021

Intl J of Energy Research

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In this study, the thermal and electrical performance analysis of an induction heating based-thermochemical reactor is investigated for high-temperature heat storage. The induction-heating model is built with Maxwell equations, and the surface-to-surface (S2S) radiation model is used for the induced and diffused thermal energy flow transport in the fluid phase within the reactor inner cavity. The effects of operating and structural parameters in terms of the coil turn number, coil current intensity and frequency, the conductive plate, and the coil's relative permeability, electrical conductivity, and emissivity could affect the heat generation, input power demand, and energy consumption of the proposed reactor performance are sufficiently investigated. It is found that the reactor temperature distribution resulted from the homogenized multi-turn coil magnetomotive force and frequency with the current intensity 48% more effective in reaching the desired temperature at the heat storage medium. However, the conductive plate relative permeability, electrical conductivity, and surface emissivity significantly affect the induction heating system's thermal power, with the relative permeability having the highest impact of 13% in the storage medium's temperature increasing at low current intensity. Moreover, the surface emissivity shows remarkable effects when the inducting heating operates at a high current. Significant energy consumption, more than 159%, is observed when the induction heating generator operates at steady-state mode. The reactor heating region temperature increases when the reactor operating current and frequency get high. It is observed that the more the induced heat was applied to the reactor, the more the reactor is heating up to a steady-state. The instantaneous temperature distribution inside the reactor depicted the rise in the temperature is caused by convection and radiation heat transfer. Higher and more uniform temperature distribution inside the reactor is obtained by optimizing the reactor operating and structural parameters.

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Capacity optimization of hybrid renewable energy system considering part-load ratio and resource endowment

Yang

Wang

et al. 2023

Applied Thermal Engineering

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Thermo-chemical storage for renewable energies based on absorption: Getting a uniform injection into the grid

Cited by 9 publications

References 7 publications

A Review of Thermochemical Energy Storage Systems for Power Grid Support

A Review of Thermochemical Energy Storage Systems for Power Grid Support

Thermal and electrical performance analysis of induction heating based‐thermochemical reactor for heat storage integration into power systems

Capacity optimization of hybrid renewable energy system considering part-load ratio and resource endowment

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