| Title: |
Developing a strategic supply chain resiliency index: an assessment of the global lithium supply for U.S. automotive EV battery production. |
| Authors: |
He, Hazel; Brush, Thomas; Cai, Hua; Thakkar, Dutt; Dunlop, Steve; Biller, Stephan |
| Source: |
International Journal of Production Research; Jan2026, Vol. 64 Issue 1, p1-23, 23p |
| Subject Terms: |
ELECTRIC vehicles; SUPPLY chains; SUPPLY chain management; AUTOMOBILE batteries; GEOPOLITICS; LITHIUM cells |
| Geographic Terms: |
UNITED States |
| Company/Entity: |
GENERAL Motors Co. |
| Abstract: |
While the importance of improving supply chain resilience (SCR) is gaining increasing recognition, measuring it remains challenging. Existing literature focuses on modelling operational SCR, emphasising post-disruption impact and recovery, but lacks practical tools and metrics for assessing resilience from a strategic perspective. Strategic decisions, such as supply network design and strategy for selecting suppliers, are critical to mitigate disruption risks and impacts. To address this gap, we propose a supply chain strategic resiliency index (SRI) to comprehensively measure strategic SCR. The index integrates the consideration of supply network structure, supplier reliability (especially geopolitical risks), and each supplier's contribution of material flow into a unified metric. Such an index can serve three primary purposes: (1) benchmarking the resilience of the existing supply chain, (2) evaluating the impact of strategic supply chain management decisions, and (3) assessing the resilience impact of new technology developments. As a use case, we analyzed the lithium supply chain of U.S. electric vehicle manufacturers, utilising real-world lithium imports and vehicle production data. Our results show that automakers are increasing their SCR, as exemplified by General Motors' SRI increase from 27 in 2022 to 59 in 2023, and further to 65 in 2024. [ABSTRACT FROM AUTHOR] |
| : |
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| Database: |
Complementary Index |