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Transient Analysis and Performance Prediction of a Metal Hydride Based Thermal Energy Storage System with Integrated Cooling and Heat Upgradation.

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Title: Transient Analysis and Performance Prediction of a Metal Hydride Based Thermal Energy Storage System with Integrated Cooling and Heat Upgradation.
Authors: Jana, Sayantan1 (AUTHOR) sayantan.jana@b-tu.de, Chauhan, Nikhil2 (AUTHOR), Muthukumar, Palanisamy2,3 (AUTHOR), Röntzsch, Lars1 (AUTHOR)
Source: Heat Transfer Engineering. 2026, Vol. 47 Issue 14, p1218-1230. 13p.
Subject Terms: *Transient analysis, *Heat storage, *Hydrides, *Cooling, *High temperatures, *Hydrogen, *Computer simulation
Abstract: This work embodies a numerical model development and simulation of a metal hydride-based thermal energy storage system with integrated cooling as well heat upgradation. The concept of this system is unique as it operates on thermal drive during the energy storage cycle while during the energy release cycle it is compressor-operated. The utility of the mechanical compressor in the system is two-fold i.e., one operation mode would harness cooling, and another operation mode would fetch heat upgradation. The numerical model devised is a lumped parameter model which solves for hydrogen concentration and temperature of the linked metal hydride reactors. The proposed thermal energy storage system is of 5 MJ capacity which engages tube bundle reactor settings for both high-temperature and low-temperature hydride alloys. Each energy storage and release cycles are simulated for a fixed duration of 10000 s. For a fixed heat supply and heat recovery temperatures of 623 K and 573 K, the system offered cooling coefficient of performance in the range of 1.43–1.58 at 283–293 K. Also, approximately 77% of the energy stored at 623 K could be retrieved at 573 K. In heat upgradation operation mode, 10–30 K temperature lift was accomplished. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 194451295
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PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Transient Analysis and Performance Prediction of a Metal Hydride Based Thermal Energy Storage System with Integrated Cooling and Heat Upgradation.
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  Data: <searchLink fieldCode="AR" term="%22Jana%2C+Sayantan%22">Jana, Sayantan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sayantan.jana@b-tu.de</i><br /><searchLink fieldCode="AR" term="%22Chauhan%2C+Nikhil%22">Chauhan, Nikhil</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Muthukumar%2C+Palanisamy%22">Muthukumar, Palanisamy</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Röntzsch%2C+Lars%22">Röntzsch, Lars</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Heat+Transfer+Engineering%22">Heat Transfer Engineering</searchLink>. 2026, Vol. 47 Issue 14, p1218-1230. 13p.
– Name: Subject
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  Data: *<searchLink fieldCode="DE" term="%22Transient+analysis%22">Transient analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Heat+storage%22">Heat storage</searchLink><br />*<searchLink fieldCode="DE" term="%22Hydrides%22">Hydrides</searchLink><br />*<searchLink fieldCode="DE" term="%22Cooling%22">Cooling</searchLink><br />*<searchLink fieldCode="DE" term="%22High+temperatures%22">High temperatures</searchLink><br />*<searchLink fieldCode="DE" term="%22Hydrogen%22">Hydrogen</searchLink><br />*<searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This work embodies a numerical model development and simulation of a metal hydride-based thermal energy storage system with integrated cooling as well heat upgradation. The concept of this system is unique as it operates on thermal drive during the energy storage cycle while during the energy release cycle it is compressor-operated. The utility of the mechanical compressor in the system is two-fold i.e., one operation mode would harness cooling, and another operation mode would fetch heat upgradation. The numerical model devised is a lumped parameter model which solves for hydrogen concentration and temperature of the linked metal hydride reactors. The proposed thermal energy storage system is of 5 MJ capacity which engages tube bundle reactor settings for both high-temperature and low-temperature hydride alloys. Each energy storage and release cycles are simulated for a fixed duration of 10000 s. For a fixed heat supply and heat recovery temperatures of 623 K and 573 K, the system offered cooling coefficient of performance in the range of 1.43–1.58 at 283–293 K. Also, approximately 77% of the energy stored at 623 K could be retrieved at 573 K. In heat upgradation operation mode, 10–30 K temperature lift was accomplished. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/01457632.2025.2521599
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 13
        StartPage: 1218
    Subjects:
      – SubjectFull: Transient analysis
        Type: general
      – SubjectFull: Heat storage
        Type: general
      – SubjectFull: Hydrides
        Type: general
      – SubjectFull: Cooling
        Type: general
      – SubjectFull: High temperatures
        Type: general
      – SubjectFull: Hydrogen
        Type: general
      – SubjectFull: Computer simulation
        Type: general
    Titles:
      – TitleFull: Transient Analysis and Performance Prediction of a Metal Hydride Based Thermal Energy Storage System with Integrated Cooling and Heat Upgradation.
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            NameFull: Jana, Sayantan
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            NameFull: Chauhan, Nikhil
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            NameFull: Muthukumar, Palanisamy
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            NameFull: Röntzsch, Lars
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          Dates:
            – D: 15
              M: 07
              Text: 2026
              Type: published
              Y: 2026
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              Value: 01457632
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              Value: 47
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              Value: 14
          Titles:
            – TitleFull: Heat Transfer Engineering
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