# Lotte Energy Materials secures ISO 27001 for AI copper foil

*The Korean manufacturer obtained LRQA clearance to protect proprietary formulas as it quadruples annual specialized circuit foil capacity to 16,000 metric tons by 2027.*

**Published:** November 12, 2026  
**By:** Seung-min Park  
**Section:** Batteries & Electric Vehicles — South Korea  
**Format:** Breaking  
**Confidence:** medium  
**Source:** https://eastasiabrief.com/batteries-ev/lotte-energy-materials-secures-iso-27001-ai-copper-foil-1361  
**Publisher:** East Asia Brief (https://eastasiabrief.com/)

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## What to know

- Lotte Energy Materials secured ISO 27001 certification on Nov. 10 to protect AI foil data
- Company expanding HVLP circuit foil capacity fourfold to 16,000 metric tons by late 2027
- Site-specific audit registry scope and certificate expiry date remain unpublished

![A worker in protective cleanroom gear monitors machinery beside rolls of copper foil in a manufacturing facility. (AI-generated image)](https://eastasiabrief.com/media/2026-11-12-611d29c69b7f.webp)
*A worker in protective cleanroom gear monitors machinery beside rolls of copper foil in a manufacturing facility. (AI-generated image)*

Lotte Energy Materials said Nov. 10 it had secured ISO 27001 information security certification from LRQA, upgrading data protection across its expanding production base for artificial intelligence circuit foil and advanced battery materials.

The South Korean copper foil manufacturer posted record quarterly revenue of 289.7 billion won ($208 million) in the third quarter of 2026. It is pivoting capital expenditure away from commoditized electric vehicle lines toward high-margin electronic substrates.

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Cite as: East Asia Brief, "Lotte Energy Materials secures ISO 27001 for AI copper foil," November 12, 2026. https://eastasiabrief.com/batteries-ev/lotte-energy-materials-secures-iso-27001-ai-copper-foil-1361