The use of air as heating agent in hydrogen metal hydride storage coupled with PEM fuel cell

Борзенко, В. И.; Eronin, A. A.

doi:10.1016/j.ijhydene.2016.10.067

Cited by 25 publications

(8 citation statements)

References 17 publications

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“…The experimental investigations were performed in two stages: zero demand load when all the energy from the FC charges the backup battery and increased demand load to 450W when the FC supplies both the battery and the demand (see Figure 4). Previously, the pressure level of an FC hydrogen inlet pressure was found experimentally to be around 0.13MPa [5]. In this experiment, the MH reactor was able to maintain needed pressure level for the entire duration of the experiment.…”

Section: H2smart Operation Testsmentioning

confidence: 66%

“…The heat transfer coefficient at heat transfer from the metal hydride bed to the liquid accounts for more than 120 W/(m 2 K) and these values are hardly achievable if one tries to heat up MH hydrogen storage by hot air from PEMFC outlet. In [5] the qualitative possibility to supply reliably 1.1 kW FC with hydrogen from air heated low temperature MeH reactor was experimentally proved.…”

Section: Introductionmentioning

confidence: 99%

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Hydrogen KW-Scale Energy Storage Systems on the Base of Metal Hydrides and Fuel Cells

Борзенко¹,

Blinov²,

Glagoleva³

2019

dteees

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The results of demonstration projects on development and testing of hydrogen fuel cell power units utilizing low-temperature metal hydrides of AB 5 type as hydrogen storage and purification tool are presented. In the effort to enable the technology for autonomous applications, the novel concept of using fuel cell exhaust air for hydrogen desorption process replacing an external heating agent was successfully proved. The technology of through-flow metal-hydride based hydrogen purification was also successfully utilized for biohydrogen. The results of two proofof-concept projects show a good perspective for autonomous applications and open the opportunity for further research in the field of power system control.

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Section: H2smart Operation Testsmentioning

confidence: 66%

Section: Introductionmentioning

confidence: 99%

Hydrogen KW-Scale Energy Storage Systems on the Base of Metal Hydrides and Fuel Cells

Борзенко¹,

Blinov²,

Glagoleva³

2019

dteees

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“…The discharge of the RSP-1 reactor is provided waste heat air exhaust from fuel cell operation. The current study continues the investigations started in [16,17]. Series of investigations are conducted to define operational characteristics of fuel cell coupled with metal hydride reactor as hydrogen source and to detect heat transfer limitations in metal hydride bed during operation.…”

Section: Experimental Investigations Of the System Integration Of A Fmentioning

confidence: 96%

Integration of metal hydride devices with polymer electrolyte fuel cells and electrolyzers for stationary applications

et al. 2019

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This paper presents the experimental results of the system integration of a fuel cell (FC), an electrolyzer and a metal hydride hydrogen storage and purification system. A pilot scale experimental power installation H2Smart with an electric power of 1 kW is developed, and the results of its operation in different regimes are presented. The problems of hydrogen desorption for the supply of FC and hydrogen sorption from the electrolyzer at the start are shown. Possible solutions of this problem are proposed.

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“…Combined air/liquid cooling or heating can be used for absorption and desorption of hydrogen. Previous experiments with RS-1 reactor filled with 81 kg of La0.5Nd0.5Al0.1Fe0.4Co0.2Ni4.3 metal hydride [11] have shown that heat from exhaust airflow from commercial PEMFC is sufficient to maintain steady flow of desorbed hydrogen needed for operation at 1.1 kW (e) power.…”

Section: Demonstration Hydrogen Backup System (H2bs) With Metal Hydrimentioning

confidence: 99%

Feasibility analysis of a hydrogen backup power system for Russian telecom market

Борзенко

Дуников

2017

J. Phys.: Conf. Ser.

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Abstract.We performed feasibility analysis of 10 kW hydrogen backup power system (H2BS) consisting of a water electrolyzer, a metal hydride hydrogen storage and a fuel cell. Capital investments in H2BS are mostly determined by the costs of the PEM electrolyzer, the fuel cell and solid state hydrogen storage materials, for single unit or small series manufacture the cost of AB5-type intermetallic compound can reach 50% of total system cost. Today the capital investments in H2BS are 3 times higher than in conventional lead-acid system of the same capacity. Wide distribution of fuel cell hydrogen vehicles, development of hydrogen infrastructure, and mass production of hydrogen power systems will for sure lower capital investments in fuel cell backup power. Operational expenditures for H2BS is only 15% from the expenditures for lead acid systems, and after 4-5 years of exploitation the total cost of ownership will become lower than for batteries. IntroductionHydrogen fits into a global sustainable energy strategy for the 21st century that confronts the three-pronged challenge of irreversible climate change, uncertain oil supply, and rising pollution. The role of hydrogen at national and international strategic levels relies entirely on renewable energy and energy efficiency. Hydrogen would play a crucial role in medium and long distance road and rail vehicles; in coastal and international shipping; in air transport; and for longer-term seasonal storage on electricity grids relying mainly on local renewable energy sources and feedstocks [1].New technologies for electricity and heat production include fuel cells and hydrogen production from renewable energy sources for energy accumulation purposes. One of the most promising pathways is based on the use of electrolytically produced hydrogen as an energy storage medium and replacement of hydrocarbon-based fuel for most road vehicles [2]. Introducing fuel cells along with microturbines and renewable energy helps in cost and emissions reduction within microgrids, fuel cells are friendlier for the environment than microturbines and the penetration of fuel cells has no negative impact on the network [3]. Hybrid solar/wind/fuel cell power generation systems can maximally convert solar and wind energy into electric energy for remote areas [4]. Demonstration projects show that the hybrid renewable energy solution for telecommunications, which includes electrochemical batteries and hydrogen produced locally with an electrolyzer may be competitive in terms of energy efficiency and minimum consumption of fossil fuel [5]. The fuel cells have not been widely adopted because they are more expensive than combustion generators, declared FC short-term prices are $3,000 per kW [6]. Numerous estimates place the cost of future massproduced small stationary fuel cell systems at around $1000 per kW, actual sale prices are currently estimated as 25-50 times higher [7]. For example, $15,000 per 1 kW CHP PEM fuel cell system in 2014 (including installation) at about 20,000 units per year [8].

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The use of air as heating agent in hydrogen metal hydride storage coupled with PEM fuel cell

Cited by 25 publications

References 17 publications

Hydrogen KW-Scale Energy Storage Systems on the Base of Metal Hydrides and Fuel Cells

Hydrogen KW-Scale Energy Storage Systems on the Base of Metal Hydrides and Fuel Cells

Integration of metal hydride devices with polymer electrolyte fuel cells and electrolyzers for stationary applications

Feasibility analysis of a hydrogen backup power system for Russian telecom market

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