CaAlH5 — Properties & Data | MatWorld

CaAlH5

Name: CaAlH5
Brand: MatWorld

metal

· JVASP-52004· CaAlH5

CaAlH5 is an experimental metal hydride compound containing calcium, aluminum, and hydrogen, belonging to the complex hydride family of materials under active research for hydrogen storage applications. This material is primarily investigated in laboratory and development settings rather than established industrial production, with potential relevance to clean energy systems where reversible hydrogen absorption and release are critical. Engineers would consider this material class for next-generation hydrogen storage solutions that require lightweight, high-capacity systems, though the compound remains in the research phase with limited commercial availability compared to conventional hydride or carbon-based storage alternatives.

hydrogen storage systemsclean energy researchlightweight fuel carriersexperimental energy materialsportable power applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	36.08	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1700	-	DFT · OptB88vdW
Shear Modulus(G)	31.15	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	1.788	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.347	eV	DFT · OptB88vdW
↳	4.595	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	17.25	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.730	-	DFT · OptB88vdW
↳	3.596	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.7000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.180	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.03676	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00185	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00301	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-223.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	326.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3819	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

CaAlH5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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