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POEN

Cleantech Climate Tech
Founded
2019
CEO
Seongjin Choi
Headquarters
Seoul, Korea

Company Overview
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POEN remanufactures and recycles electric vehicle (EV) batteries. Spun off from a Hyundai Motor in-house venture, the company assesses the health of end-of-life or damaged EV battery packs. It then rebuilds them into refurbished automotive batteries or repurposes them for stationary Energy Storage Systems (ESS).

Technology & Product
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POEN provides a range of battery diagnostics and remanufacturing services:

  • Battery Remanufacturing: Selects reusable cells and modules from collected batteries and rebuilds them into EV battery packs that pass automotive-grade quality testing.
  • Battery Diagnostics & Residual-Value Assessment: Applies diagnostic algorithms that precisely analyze remaining life, cell-to-cell voltage uniformity, and defects.
  • Second-Life Battery Reuse: Redesigns battery packs that are difficult to remanufacture for vehicles into power sources for other uses such as residential, commercial, and micro-grid ESS and UPS.

Market & Use Cases
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POEN works with automotive OEMs, battery manufacturers, and fleet operators who must manage battery lifecycles and meet environmental regulations. By remanufacturing battery packs, POEN helps manufacturers and car owners avoid the high cost of brand-new replacements.

Traction & References
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  • POEN has remanufactured more than 1,000 EV battery packs across about ten vehicle models over a four-year period in Korea(THE ELEC).
  • The company maintains active R&D and quality analysis collaborations with major industry players, including SK On, CATL, Webasto, and Hyundai Mobis(POEN).
  • POEN is expanding internationally, having registered a U.S. branch in Los Angeles and a German branch in Frankfurt, and is preparing to set up a battery remanufacturing plant in Europe(THE ELEC).

Collaboration Relevance
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  • European automotive OEMs, EV fleet operators, and transit networks can partner with POEN to run local battery remanufacturing, repair, and circular lifecycle programs.
  • Utility firms, charging station operators, and commercial buildings can deploy cost-efficient second-life ESS units.
  • Battery cell manufacturers and Tier 1 suppliers can use POEN’s diagnostic services to analyze pack-level defects and improve battery R&D.