HydroXpand Inc.

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HydroXpand Inc. is a South Korean deep-tech company that develops and manufactures Anion Exchange Membrane Water Electrolysis (AEMWE) electrodes, cells, stacks, and integrated systems. Founded in 2023 by three KAIST PhDs, we work across catalysts, electrodes, stack architecture, balance-of-plant, and control software to reduce both upfront and lifecycle costs for clean hydrogen production.

Our current portfolio includes iridium-free anodes, low-PGM cathodes, single-cell and short-stack hardware, the HXS-2 2 kW stack, and the HXB-V1 2 kW integrated system. The HXS-30 46-cell, 30 kW full stack is available to order; measured 46-cell i-V and cell-voltage data are published on the product page. HydroXpand products have been supplied to more than 60 customers across 12 countries, and our patent portfolio comprises eight filings. The HXB-V1 is supported by a CE Declaration of Conformity.

Every published figure is stated with its test conditions, and measured data are kept separate from design values. Customers can start with laboratory or pilot-scale equipment today and expand through a modular development roadmap toward larger industrial systems.