H2B2Rb2

H2B2Rb2 is a stable, insulating hydrogen-bearing compound used in advanced energy storage research.

Overview

About H2B2Rb2

H2B2Rb2 is a specialized hydrogen storage hydride characterized by its wide-band-gap insulating electronic structure. As a thermodynamically stable compound residing on the convex hull, it represents a robust configuration within the borohydride-related chemical space, offering potential for solid-state hydrogen containment. Its structural integrity makes it a significant candidate for fundamental studies in materials science, particularly regarding the interaction between alkali metals and boron-hydrogen frameworks. The compound is primarily utilized in research contexts focused on developing high-density hydrogen carriers and understanding the stability limits of complex hydrides. By leveraging its stable crystalline architecture, researchers aim to optimize hydrogen release and uptake cycles for future energy storage technologies.

At a glance

Key Properties

Cross-validated computational properties for H2B2Rb2, aggregated across 3 databases.

Band Gap

4.00–5.54 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

7
3 databases, 3 space groups
Uses

Applications

Where H2B2Rb2 is used.

Hydrogen storage researchSolid-state energy materials developmentFundamental condensed matter physics
Reference

Frequently Asked Questions

Common questions about H2B2Rb2, answered from cross-validated data.

What is H2B2Rb2?

H2B2Rb2 is a stable, insulating hydrogen-bearing compound used in advanced energy storage research.

More questions
What is H2B2Rb2 used for?
H2B2Rb2 is used in hydrogen storage research, solid-state energy materials development, and fundamental condensed matter physics.
What is the band gap of H2B2Rb2?
H2B2Rb2 has a DFT-computed band gap of 4.00–5.54 eV across 7 reported structures.
Is H2B2Rb2 a metal, semiconductor, or insulator?
With a wide band gap up to 5.54 eV it is an insulator / wide-band-gap material.
Is H2B2Rb2 thermodynamically stable?
Yes — H2B2Rb2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of H2B2Rb2 are known?
7 structures of H2B2Rb2 are reported across 3 databases, spanning 3 distinct space groups.
What elements does H2B2Rb2 contain?
H2B2Rb2 contains B, H, and Rb (3 elements).
Where does the data for H2B2Rb2 come from?
H2B2Rb2 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the hydrogen storage hydrides class.

Within the class of hydrogen storage hydrides, H2B2Rb2 occupies a distinct niche compared to simpler binary hydrides like LiH or MgH2. While traditional metal hydrides often prioritize high gravimetric density, H2B2Rb2 provides a more complex structural environment, sharing more in common with the boron-rich frameworks found in BH3 derivatives than with simple ionic hydrides like CaH2.

Explore

Related Compounds

Other Hydrogen Storage Hydrides in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

Analyze H2B2Rb2 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →