Cobalt Supply Chain Vulnerability: A Network Analysis of Geopolitical and Production Risks

Why It Matters

Understanding the intricate dependencies and vulnerabilities within critical material supply chains is crucial for designers and engineers. This insight highlights the need to consider geopolitical factors, resource availability, and ethical sourcing when selecting materials for products, especially those with high projected demand like batteries.

Key Finding

The cobalt supply chain is highly susceptible to disruptions due to its concentration in a few geographic locations, its status as a by-product of other metals, and political instability, with specific companies playing pivotal roles.

Key Findings

• High concentration of cobalt mining in the Democratic Republic of Congo and refining in China.
• Cobalt is primarily a by-product of copper and nickel mining.
• Political instability in key production countries poses a significant risk.
• Certain companies act as critical nodes in the supply chain due to their high network centrality.

Research Evidence

Aim: To identify and evaluate supply risks within the cobalt supply chain by mapping its geographically explicit structure and analyzing network dependencies.

Method: Network analysis and geographic mapping of supply chain data.

Procedure: The study mapped the cobalt supply chain from mining to refining, analyzed the geographic concentration of production and refining, assessed the dependency on other mineral extraction, and evaluated the political stability of producing countries. Network analysis was used to identify companies with high centrality, indicating their critical role in the supply chain.

Context: Critical raw materials, specifically cobalt for lithium-ion batteries.

Design Principle

Design for supply chain resilience by understanding and mitigating dependencies on geographically concentrated or politically unstable resources.

How to Apply

When designing products that rely on cobalt (e.g., electric vehicles, portable electronics), conduct a thorough risk assessment of the cobalt supply chain, considering geographic, political, and economic factors. Explore opportunities for material substitution or design modifications to reduce cobalt content.

Limitations

The analysis focuses on primary cobalt production and may not fully capture risks associated with recycling or secondary sources. The dynamic nature of political stability and market conditions can alter risk profiles over time.

Student Guide (IB Design Technology)

Simple Explanation: The materials we use, like cobalt for batteries, often come from just a few places, and sometimes these places have unstable governments. This means it can be hard to get enough of the material, which could stop us from making products. We need to find ways to get materials from more places or use different materials altogether.

Why This Matters: Understanding supply chain risks helps you make more robust and reliable design choices, ensuring your product can be manufactured consistently and ethically.

Critical Thinking: How might the increasing demand for cobalt in electric vehicles exacerbate existing supply chain risks, and what innovative design solutions could mitigate these risks beyond simple material substitution?

IA-Ready Paragraph: The selection of materials for this design project was informed by an analysis of global supply chain vulnerabilities. For instance, critical materials like cobalt, essential for battery technology, face significant risks due to geographic concentration of mining and refining, dependency on by-product extraction, and geopolitical instability in key regions (van den Brink et al., 2020). This highlights the importance of considering material provenance and potential disruptions when developing a product.

Project Tips

• When choosing materials for your design project, research where they come from and if there are any risks associated with their supply.
• Consider how your design choices might be affected by global events or resource availability.

How to Use in IA

• Reference this study when discussing the selection of materials and the justification for choosing alternatives or mitigating supply chain risks in your design project.

Examiner Tips

• Demonstrate an awareness of the global context of material sourcing and its potential impact on design feasibility and sustainability.

Independent Variable: ["Geographic concentration of cobalt mining and refining","Dependency on copper and nickel extraction","Political stability in production countries"]

Dependent Variable: ["Susceptibility of the cobalt supply chain to disruptions","Overall supply risks"]

Controlled Variables: ["Market concentration of individual mines, refineries, and companies","Presence of artisanal mining operations"]

Strengths

• Provides detailed, geographically explicit data on the cobalt supply chain.
• Utilizes network analysis to identify critical nodes and dependencies.

Critical Questions

• To what extent can technological advancements in battery chemistry reduce the reliance on cobalt?
• What are the ethical implications of sourcing cobalt from regions with weak governance and potential human rights concerns?

Extended Essay Application

• An Extended Essay could investigate the supply chain risks of another critical material (e.g., rare earth elements, lithium) and propose design strategies to mitigate these risks, drawing parallels with the cobalt case study.

Source

Identifying supply risks by mapping the cobalt supply chain · Resources Conservation and Recycling · 2020 · 10.1016/j.resconrec.2020.104743