Model-based techno-economic evaluation of an electricity storage system based on Liquid Organic Hydrogen Carriers

Eypasch, Martin; Schimpe, Michael; Kanwar, Aastha; Hartmann, Tobias; Herzog, Simon; Frank, Torsten; Hamacher, Thomas

doi:10.1016/j.apenergy.2016.10.068

Cited by 115 publications

(35 citation statements)

References 31 publications

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“…Yet, for nonelectrified tracks LOHC powered trains have the potential to become economically beneficial to both, electrification of little frequented tracks and alternative technologies for onboard storage. For more details on the economics of the LOHC technology, the respective literature is recommended …”

Section: Resultsmentioning

confidence: 99%

Reliability of liquid organic hydrogen carrier‐based energy storage in a mobility application

Uhrig

Kadar

Müller

2020

Energy Science & Engineering

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Liquid organic hydrogen carriers (LOHC) are a technology that allows storing hydrogen in a safe and dense manner by reversible chemical conversion. They constitute a very promising option for energy storage, transport, and release combined with electric power generation by fuel cells in large‐scale applications like trains. In order to establish trains running on LOHC, it is mandatory to ensure the reliability of the system. This study evaluates various system configurations concerning reliability and resilience. The fault tree analysis method has been used to quantify the probability of failure. The S‐P matrix was applied to assess the different failure modes in context of severity as well as their probability. The MTTF of the system can be more than doubled by introducing single redundancy for the fuel cell and the reactor, while more than two redundant components diminish the positive effect on reliability due to higher complexity. It is estimated that the systems full functionality is available for more than 97% of its operating time.

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Section: Resultsmentioning

confidence: 99%

Reliability of liquid organic hydrogen carrier‐based energy storage in a mobility application

Uhrig

Kadar

Müller

2020

Energy Science & Engineering

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“…The system 18H-DBT/0H-DBT is, therefore, currently the state of the art in LOHC research. Various applications, considering 18H-DBT/0H-DBT as carrier system, were evaluated on a thermodynamic and techno-economic basis [53,54,55]. Rüde et al predict high reliability and robustness to the LOHC unit with upstream electrolysis and a downstream fuel cell [5,56].…”

Section: Process Intensification In Lohc Dehydrogenation Using Pd-mentioning

confidence: 99%

Recent Developments in Compact Membrane Reactors with Hydrogen Separation

et al. 2018

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Hydrogen production and storage in small and medium scale, and chemical heat storage from renewable energy, are of great interest nowadays. Micro-membrane reactors for reforming of methane, as well as for the dehydrogenation of liquid organic hydrogen carriers (LOHCs), have been developed. The systems consist of stacked plates with integrated palladium (Pd) membranes. As an alternative to rolled and electroless plated (Pd) membranes, the development of a cost-effective method for the fabrication of Pd membranes by suspension plasma spraying is presented.

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“…After consulting the data, it is found that the reactor has the characteristics of strong time-delay, time-varying, and nonlinear. If viewed from a micro perspective, it would inevitably cause great difficulties to the experiment, so it is much easier to describe the whole process from a macro perspective starting from the law of heat conservation [Eypasch, Schimpe, Kanwar et al (2017); Gokon, Kumaki, Miyaguchi et al (2019)]. The establishment of heat transfer model cannot be separated from the estimation of parameters, and the essence of parameter optimization estimation is the problem of nonlinear least square method [Han, Hagos, Ji et al (2016)].…”

Section: Introductionmentioning

confidence: 99%

A Control Algorithm for the Optimization of Batch Reactor-Based Processes

Bai¹,

Liu²

2019

Fluid Dynamics &Amp; Materials Processing

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Levenberg-Marquardt (LM) algorithm is applied for the optimization of the heat transfer of a batch reactor. The validity of the approach is verified through comparison with experimental results. It is found that the mathematical model can properly describe the heat transfer relationships characterizing the considered system, with the error being kept within ±2°C. Indeed, the difference between the actual measured values and the model calculated value curve is within ±1.5°C, which is in agreement with the model assumptions and demonstrates the reliability and effectiveness of the algorithm applied to the batch reactor heat transfer model. Therefore, the present work provides a theoretical reference for the conversion of practical problems in the field of chemical production into mathematical models.

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Model-based techno-economic evaluation of an electricity storage system based on Liquid Organic Hydrogen Carriers

Cited by 115 publications

References 31 publications

Reliability of liquid organic hydrogen carrier‐based energy storage in a mobility application

Reliability of liquid organic hydrogen carrier‐based energy storage in a mobility application

Recent Developments in Compact Membrane Reactors with Hydrogen Separation

A Control Algorithm for the Optimization of Batch Reactor-Based Processes

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