Palladium

Real Metals · Very Rare · Modern

A platinum-group metal with a remarkable ability to absorb hydrogen, up to 900 times its own volume at room temperature. This property makes it essential for automotive catalytic converters and a key material in hydrogen fuel cell research.

Identity

Symbol
Pd
Atomic number
46
Source
Natural element
Aliases
Pd

Physical Properties

Appearance
Silvery-white, similar to platinum but slightly warmer in tone, does not tarnish
Luster
Metallic
Density
12.02 g/cm³
Melting point
1555 °C
Boiling point
2963 °C
Lighter
Hihiirokane
Denser
Rhodium
Magnetism
Non-magnetic
Electrical conductivity
Medium

Mechanical Properties

Mohs hardness
4.75
Tensile strength
195 MPa
Softer
Karchedonian Bronze
Harder
Atium
Workability
Moderate
Brittleness
Tough
Malleability
High
Ductility
High

Chemical Properties

Corrosion resistance
absolute
Reactivity
very low

Lore & Narrative

Palladium was discovered in 1803 and named after the asteroid Pallas. It experienced a dramatic price spike in 2019-2020, briefly exceeding gold per ounce due to tightening emissions regulations driving catalytic converter demand.

Notable uses
Catalytic converters, fuel cells, electronics, white gold alloys
Forge uses
jewelry, catalytic applications, electronics
Worldbuilding traits
hydrogen-absorbing, catalytic, modern, rare

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