Lead dioxide (PbO2) is a dense ceramic semiconductor compound widely used as the positive electrode material in lead-acid batteries, where its high electrochemical stability and conductivity enable reliable charge-discharge cycling. In industrial applications, PbO2 is valued for electrochemical synthesis and water treatment processes, particularly in electrodes for organic pollutant oxidation and electrorefining operations, where its strong oxidizing potential and corrosion resistance in acidic environments outperform many alternatives. The material's brittleness and toxicity concerns limit its use to enclosed electrochemical systems where environmental containment is feasible.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 124.6 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3300 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 55.49 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 9.021 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 1.450 | eV | Measured | ||
| ↳ | 0.02500 | eV | DFT · OptB88vdW | ||
| ↳ | 0.1140 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 11.98 | - | DFT · OptB88vdW | ||
| ↳ | 8.782 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000717 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000420 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -80.02 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | -72.49 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 5.840 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00360 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)2 entries | -0.9431 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -0.9483 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data