SK On
Seoul, South Korea
About
SK On Co., Ltd. makes lithium-ion battery cells, modules, packs and battery management systems for electric vehicles and energy storage.
It uses high-nickel NCM cathodes, and began mass production of NCM622 cells in 2014, NCM811 in 2018 and NCM9½½ in 2022. It stacks electrodes with a Z-folding method and is developing solid-state batteries.
SK Innovation split off its battery business as SK On on 1 October 2021. The company is headquartered in Seoul and has plants in Seosan, South Korea, and in the United States, Hungary and China.
Listed In
In the Battery Report
SK On is named on 31 pages across 4 editions of Volta Foundation's annual Battery Report.
2025 report · p. 8Notable Events: January Week 1
2025 report · p. 10Notable Events: March Week 1
2025 report · p. 11Notable Events: April Week 1
All 31 pages
Battery Report 2025 · 18
- p. 8Notable Events: January Week 1
- p. 10Notable Events: March Week 1
- p. 11Notable Events: April Week 1
- p. 16Notable Events: September Week 1
- p. 19Notable Events: December Week 1
- p. 36Industry Value Chain
- p. 91Profiles of C&P Industry Players
- p. 92Cell & Pack Manufacturing
- p. 93Cell & Pack Manufacturing
- p. 94Cell & Pack Manufacturing
- p. 96Cell & Pack Manufacturing
- p. 110Cell & Pack Manufacturing
- p. 124Key Events: Dry Electrode Technology Q1
- p. 142New Alliances, Partnerships, Investments by OEMs into Battery Suppliers OEM / Partner / Buyer
- p. 307NMC Notable Events January
- p. 316LFP Notable Events January
- p. 377Timeline and Other Announcements of Major Industry Players Region/Country
- p. 734Koreaʼs Policy Framework for Batteries 2030 KBattery Development Strategy
Battery Report 2024 · 2
Battery Report 2023 · 5
Supply Chain Segments
Battery Chemistries
Lithium-ion (Li-ion)Nickel Manganese Cobalt (NMC)
Location Info
- HQ
- Seoul, South Korea
North America (3)
- Manufacturing
- Commerce, Georgia, United States
- Manufacturing
- Kingston, Georgia, United States
- Manufacturing
- Stanton, Tennessee, United States
Europe (2)
- Manufacturing
- Iváncsa, Hungary
- Manufacturing
- Komárom, Hungary
Asia-Pacific (5)
- Office
- Shanghai, China
- Manufacturing
- Yancheng, Jiangsu Province, China
- Office
- Tokyo, Japan
- R&D
- Daejeon, South Korea
- Manufacturing
- Seosan, Chungcheongnam-do, South Korea
Quick Facts
- Founded
- 2021
- Team Size
- 5000+
- Funding
- Private
- Last Updated
- Oct 29, 2026
