Metal hydride material requirements for automotive hydrogen storage systems

Pasini, José Miguel; Corgnale, Claudio; Hassel, B.A. van; Motyka, Theodore; Kumar, Sudarshan; Simmons, Kevin L.

doi:10.1016/j.ijhydene.2012.08.112

Cited by 80 publications

(33 citation statements)

References 30 publications

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“…Expansion and contraction of the material during absorption and desorption was assumed to be equal to 15% of the initial volume under the totally desorbed state [2]. The thermal conductivity value was assessed based on the data and information available in References [21][22][23]. Thermal conductivity values on the order of 5-10 W/m·K are reported when expanded natural graphite is mixed with the material in quantities on the order of about 10 wt %.…”

Section: Initial Downselected Materialsmentioning

confidence: 99%

Techno-Economic Analysis of High-Pressure Metal Hydride Compression Systems

Corgnale¹,

Sulic²

2018

Metals

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Traditional high-pressure mechanical compressors account for over half of the car station's cost, have insufficient reliability, and are not feasible for a large-scale fuel cell market. An alternative technology, employing a two-stage, hybrid system based on electrochemical and metal hydride compression technologies, represents an excellent alternative to conventional compressors. The high-pressure stage, operating at 100-875 bar, is based on a metal hydride thermal system. A techno-economic analysis of the metal hydride system is presented and discussed. A model of the metal hydride system was developed, integrating a lumped parameter mass and energy balance model with an economic model. A novel metal hydride heat exchanger configuration is also presented, based on minichannel heat transfer systems, allowing for effective high-pressure compression. Several metal hydrides were analyzed and screened, demonstrating that one selected material, namely (Ti 0.97 Zr 0.03 ) 1.1 Cr 1.6 Mn 0.4 , is likely the best candidate material to be employed for high-pressure compressors under the specific conditions. System efficiency and costs were assessed based on the properties of currently available materials at industrial levels. Results show that the system can reach pressures on the order of 875 bar with thermal power provided at approximately 150 • C. The system cost is comparable with the current mechanical compressors and can be reduced in several ways as discussed in the paper.

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Section: Initial Downselected Materialsmentioning

confidence: 99%

Techno-Economic Analysis of High-Pressure Metal Hydride Compression Systems

Corgnale¹,

Sulic²

2018

Metals

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“…In this particular orbit the satellite stays always above one specific location at the Earth's surface, thus the total orbit period is 24 h. [10,11] predict their pressure vessels will have masses that are about 20% of the hydride material. Given that the mass figures stated in Fig.…”

Section: Figmentioning

confidence: 98%

Metal hydride hydrogen and heat storage systems as enabling technology for spacecraft applications

Reissner

Pawelke

Hummel

et al. 2015

Journal of Alloys and Compounds

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“…The value has been chosen based on using enhanced thermal conductivity designs, such as adopting finned tube heat exchangers or including ENG in the MH material [30,23].…”

Section: {Table 1}mentioning

confidence: 99%

Metal hydride based thermal energy storage system requirements for high performance concentrating solar power plants

Corgnale

Hardy

Motyka

et al. 2016

International Journal of Hydrogen Energy

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High temperature concentrating solar power plants require suitable thermal energy storage systems to produce electric power efficiently. Thermochemical energy storage based on metal hydrides represents a very appealing prospect for low cost and high efficient solar storage systems. The objective of the paper is to assess the properties required by the metal hydride systems to achieve the U.S. Department of Energy's SunShot techno-economic targets. A simplified model has been developed to evaluate the cost and the exergetic efficiency of hydridebased storage systems. Results demonstrate that metal hydride materials, operating at temperatures higher than 650 °C, with reaction enthalpy on the order of 95-110 kJ/molH 2 , raw material cost on the order of 1.4-2 $/kg, weight capacities on the order of 3-4% and operating pressures on the order of tens of bars have the potential to closely approach the targets. Selected sensitivity analyses have also been carried out showing that the raw material cost, the material weight capacity and the metal hydride reaction enthalpy are the properties that strongly affect the performance of the storage system.

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Metal hydride material requirements for automotive hydrogen storage systems

Cited by 80 publications

References 30 publications

Techno-Economic Analysis of High-Pressure Metal Hydride Compression Systems

Techno-Economic Analysis of High-Pressure Metal Hydride Compression Systems

Metal hydride hydrogen and heat storage systems as enabling technology for spacecraft applications

Metal hydride based thermal energy storage system requirements for high performance concentrating solar power plants

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