South Korea. Supply chain mapped to 38 inputs across 8 countries.
No federal designation found. Samsung SDI is not named on any of the 3 federal restricted-party lists screened for this record (DOD Section 1260H, BIS Entity List, OFAC SDN List), and South Korea is not a covered nation under the FEOC rules. Is Samsung SDI a Foreign Entity of Concern?
Upstream sourcing exposure
21 in covered nations - 12 elevated, of 38 nodes.
Where inputs are mined and refined. Not a FEOC determination for the company -- see the federal list screening above.
Refining chokepoint
5 of 6 processing/refining steps in covered nations
Where each input is mined or refined. Not a FEOC determination for the company.
Node Types
Sourcing risk
Relationships
38 nodes, grouped by supply-chain tier. Sourcing risk describes where an input is mined or refined; it is not a FEOC determination for Samsung SDI.
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Samsung SDICheonan / Ulsan, South Korea (cell plants); Goed, Hungary; Kokomo, Indiana (JV) | South Korea | No known risk factor | Korean cell maker; allied OEM. Clean at assembly, but deep-tier midstream is China-heavy. |
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| NCA Cathode Active MaterialEcoPro BM Pohang complex, South Korea | South Korea | No known risk factor | High-nickel NCA (Ni-Co-Al) cathode; 5-yr ~$34B EcoPro BM supply deal 2024-2028. |
| NCM Cathode Active MaterialUmicore (Cheonan, KR / Poland); EcoPro BM | South Korea | Elevated sourcing risk | Ni-Mn-Co cathode; Umicore NMC supply agreement. Precursor tier often China-linked. |
| LFP Cathode Active MaterialL&F, South Korea | South Korea | Elevated sourcing risk | ~KRW 1.6T LFP deal with L&F for ESS/entry EV; LFP tech + iron phosphate largely China-linked. |
| Graphite Anode Active Material | China | Covered nation | Coated spherical/synthetic graphite anode; ~93% of anode material made in China. |
| Silicon Anode Additive | China | Covered nation | Si/SiC additive historically supplied exclusively by China's BTR; SDI diversifying to KR (MK Electron, Dongjin Semichem). |
| Separator (PE/PP membrane)Asahi Kasei (Japan); Toray (Japan/Korea) | Japan | No known risk factor | Polyolefin separator; Asahi Kasei + Toray primary; W-Scope (KR) diversification. |
| ElectrolyteSoulbrain (KR); Enchem (KR) | South Korea | Elevated sourcing risk | Lithium salt in organic solvent; formulation Korean but LiPF6 salt/solvents heavily China-sourced. |
| Copper Foil (anode current collector)Lotte Energy Materials (KR) | South Korea | No known risk factor | Exclusive copper-foil supplier for SDI's first US battery plant. |
| Aluminum Foil (cathode current collector) | South Korea | Elevated sourcing risk | Cathode-side current collector; battery-grade Al foil supply mixed (KR/China). |
| Cell Can / Housing | South Korea | No known risk factor | Prismatic/cylindrical aluminum or steel casing. |
| NCA Precursor (pCAM)EcoPro (Pohang), South Korea | South Korea | Elevated sourcing risk | Ni-Co-Al hydroxide co-precipitate; EcoPro integrated but China dominates ~86% of global pCAM. |
| NCM Precursor (pCAM)CNGR / Huayou (China) | China | Covered nation | Ni-Mn-Co hydroxide precursor; ~86% of ternary precursor made in China (CNGR, Huayou). |
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Nickel Refiner (MHP/sulfate)China-operated HPAL, Morowali/Weda Bay, Indonesia | Indonesia | Elevated sourcing risk | MHP-to-NiSO4 refining dominated by Chinese-invested Indonesian plants (Huayou, CNGR). |
| Cobalt RefinerHuayou Cobalt / GEM, China | China | Covered nation | DRC cobalt hydroxide shipped to China for refining to CoSO4; ~85% China-controlled. |
| Lithium Refiner (spodumene→LiOH)Ganfeng / Tianqi conversion plants, China | China | Covered nation | Australian spodumene shipped to China for conversion; China = 77% of LiOH refining. |
| Manganese RefinerChina | China | Covered nation | High-purity manganese sulfate refining concentrated in China. |
| Spherical Graphite Refiner (SPG)China | China | Covered nation | Flake→spheronized→purified→coated; ~99% of spherical graphite processed in China (HF route). |
| Aluminum Smelter | China | Covered nation | Primary aluminum for foil/casing; China ~55% of global smelting. |
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Nickel Sulfate | China | Covered nation | Battery-grade NiSO4; majority refined in China / China-controlled Indonesian HPAL. |
| Cobalt Sulfate | China | Covered nation | Battery-grade CoSO4; China refines ~85% of world cobalt. |
| Manganese Sulfate | China | Covered nation | High-purity MnSO4; China dominates battery-grade manganese refining. |
| Aluminum Hydroxide / Nitrate (NCA dopant) | South Korea | Elevated sourcing risk | Al dopant source for NCA; smaller volume. |
| Lithium Hydroxide | China | Covered nation | LiOH for high-Ni NCA/NCM; China refines ~77% of world lithium hydroxide. |
| Lithium Carbonate | China | Covered nation | Li2CO3 for LFP; China dominates carbonate conversion. |
| Iron Phosphate (LFP feedstock) | China | Covered nation | FePO4 for LFP cathode; supply chain almost entirely China-based. |
| Synthetic Graphite (from petroleum coke)China | China | Covered nation | Needle/petroleum coke graphitized at high temp; China produces >50% of synthetic graphite. |
| Petroleum Coke (needle coke) | China | Covered nation | Synthetic graphite feedstock from refinery coke; needle coke China/US/Japan. |
| Silicon Metal | China | Covered nation | Metallurgical-grade silicon for Si anode; China ~70%+ of global silicon metal. |
| Lithium Salt (LiPF6) | China | Covered nation | Electrolyte conductive salt; China dominates LiPF6 production. |
| Carbonate Solvents (EC/DMC/EMC) | China | Covered nation | Organic carbonate solvents; China leads solvent output. |
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Nickel Mine (laterite)Sulawesi / Halmahera nickel laterite mines | Indonesia | Elevated sourcing risk | Indonesia = largest nickel source; mines largely China-financed. Also Philippines, Australia. |
| Cobalt MineGlencore KCC/Mutanda, DRC | Democratic Republic Of Congo | Elevated sourcing risk | Glencore 5-yr deal up to 21,000t cobalt from DRC; allied-mined but China-refined downstream. |
| Lithium Mine (spodumene)Greenbushes / Pilbara hard-rock mines, WA | Australia | Elevated sourcing risk | Australia ~43-70% of hard-rock lithium; allied-mined but ~almost all exported to China to refine. |
| Manganese MineKalahari manganese field, South Africa | South Africa | Elevated sourcing risk | Manganese ore mined in South Africa, Australia, Gabon; refined mostly in China. |
| Iron / Phosphate SourceChina | China | Covered nation | Iron and phosphate feedstock for LFP; overwhelmingly China. |
| Natural Flake Graphite MineHeilongjiang / Shandong, China | China | Covered nation | China mines >60% of natural graphite; also Mozambique, Madagascar. |
| Copper Mine / CathodeAndes copper mines (Chile/Peru) | Chile | Elevated sourcing risk | Copper for foil; mined Chile/Peru/DRC. Foil manufacture in KR (Lotte). |
Research-based supply-chain map compiled from public sources - not an audited bill of materials. Tiers reflect the standard industry structure for this product. Sourcing risk on a node describes where that input is typically mined or refined; it is not a FEOC determination for Samsung SDI, and it is not a screening result for the node itself unless a federal listing is cited against it. Verify against primary documentation before making a compliance determination.
Primary sources (1) - government, filings, standards bodies
Secondary sources (20) - trade press, analysts, reference works