| 2017 | Jan | Commenced Hi-Ni Gradient NCM mass-production and sales |
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| 2016 | Nov | Acquired the customer quality certificate of Hi-Ni Gradient NCM first in the world |
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| 2015 | Oct | Installed assembly line for NCM precursor-active material |
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| 2014 | Jul | Commenced LTO mass-production and sales (for ESS and electric vehicle) |
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| Jun | Commenced LNO mass-production and sales (irreversible efficiency enhancer) |
| 2012 | Mar | Commenced LMO mass-production and sales (for electric vehicle and power tools) |
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| Established POSCO ESM |
| 2009 | Sep | Installed production line for LMO-#1 cathode materials |
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| 2006 | Mar | Commenced R&D in active material for lithium-ion secondary battery (academic-industry collaboration) |
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