substitution-map

Research

Map substitute materials for critical minerals with trade-off analysis and supply risk assessment

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Substitution Map

Map substitute materials for a critical mineral commodity with trade-off analysis (performance, cost, availability) and supply risk assessment. Uses a curated knowledge base of substitution relationships enriched with live data from BGS production statistics and corpus search.

Usage

Find substitutes for a commodity:

python3 {baseDir}/scripts/substitution_lookup.py --commodity lithium

Filter by application:

python3 {baseDir}/scripts/substitution_lookup.py --commodity cobalt --application batteries

JSON output:

python3 {baseDir}/scripts/substitution_lookup.py --commodity rare_earth --format json

Parameters

Parameter	Description	Default
`--commodity`	Commodity to find substitutes for	Required
`--application`	Specific application: batteries, magnets, catalysts, alloys, electronics	all
`--format`	Output format: summary, detailed, json	summary

Available Commodities

Commodity	Key Applications
`lithium`	Batteries, ceramics, lubricants
`cobalt`	Batteries, superalloys, catalysts
`rare_earth`	Magnets, catalysts, phosphors
`nickel`	Batteries, stainless steel, alloys
`graphite`	Batteries, refractories, lubricants
`manganese`	Steel, batteries, chemicals
`gallium`	Semiconductors, LEDs, solar cells
`germanium`	Fiber optics, IR optics, solar cells
`copper`	Wiring, electronics, motors

Examples

# All lithium substitutes
python3 {baseDir}/scripts/substitution_lookup.py --commodity lithium

# Cobalt substitutes in batteries
python3 {baseDir}/scripts/substitution_lookup.py --commodity cobalt --application batteries

# Rare earth substitutes in magnets (JSON)
python3 {baseDir}/scripts/substitution_lookup.py --commodity rare_earth --application magnets --format json

Notes

Substitution data from curated knowledge base (USGS, industry literature)
Trade-off ratings: performance (1-5), cost (relative), availability (1-5)
Supply risk enrichment from BGS when available
For production data, use bgs-production; for risk metrics, use supply-chain-analysis