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Magnex Co., Ltd.

Tachikawa, Tokyo, Japan Nda Ready · unverified Japanese, English

Specialist manufacturer of custom SOFC and SOEC stacks, interconnects, and evaluation systems based on precision processing and surface treatment technologies originally developed for magnetic heads.

AI-assisted directory profile. Export readiness, certifications, technical claims and partnership preferences are unverified unless individually supported and reviewed. Listing does not establish supplier endorsement or willingness to enter an NDA. Confirm with the original sources and supplier before procurement or citation.

Core capabilities

  • SOEC/SOFC stack design and assembly
  • proprietary interconnect coating (cobalt-nickel plating patent)
  • current collector and sealing materials
  • custom stack prototyping and evaluation systems

Related capability assets

Custom low-temperature SOEC stack fabrication (700°C class)

Made-to-order SOEC stacks (G10–G40 series) with proprietary interconnect coatings and seals for hydrogen production at 0.4–1.59 Nm³/h scale.

Contract SOEC/SOFC stack performance evaluation (up to 6 kW SOEC)

Independent evaluation service for single cells to 60-cell stacks including co-electrolysis, with visualization and custom gas handling.

Low-temperature SOEC stack (700°C operation)

Compact SOEC stacks operating at 700°C with proprietary interconnect coatings for reduced degradation, available in scalable G10/G20/G40 configurations.

SOFC/SOEC interconnector with Co-Ni anti-oxidation coating for high-temperature durability

Custom SOFC/SOEC interconnectors made from Crofer 22 APU/H, ZMG232L/G10, or other ferritic stainless alloys with proprietary Co-Ni electroplating or MCF thermal-spray coating to suppress oxidation and Cr-poisoning at 600–900°C operating temperatures.

Ceramic springs for high-temperature SOFC/SOEC stack compression and sealing

All-ceramic coil springs that maintain constant compressive force at SOFC/SOEC operating temperatures (600–1000°C), enabling reliable gas sealing and electrical contact in cell stacks without creep or permanent deformation.

Custom SOFC/SOEC stack components and integrated stack supply

End-to-end supply of SOFC/SOEC stack components (interconnects, ceramic springs, seal parts, current collectors) and custom assembled stacks operating at 700°C; evaluation systems included.

Cr-poisoning prevention coating for SOFC/SOEC interconnects and current collectors

Co-Ni plating and MCF thermal-spray coating services for ferritic stainless steel interconnects, suppressing Cr evaporation and contact-resistance rise in SOFC/SOEC stacks.

Source & provenance

Translation review status: unreviewed. Publication does not establish technical verification or supplier endorsement.

Record updated: .

  • SOFC/SOECスタック

    https://www.magnex.co.jp/stack.html

    Primary-source candidate; evidence review: pending.

    Source accessed / recorded (collector timestamp): .

    Source publication date: Not recorded.

  • マグネクス株式会社

    https://www.magnex.co.jp/

    Primary-source candidate; evidence review: pending.

    Source accessed / recorded (collector timestamp): .

    Source publication date: Not recorded.

  • SOEC/SOFC評価

    https://www.magnex.co.jp/jutaku.html

    Primary-source candidate; evidence review: pending.

    Source accessed / recorded (collector timestamp): .

    Source publication date: Not recorded.

  • 会社概要

    https://www.magnex.co.jp/company.php

    Primary-source candidate; evidence review: pending.

    Source accessed / recorded (collector timestamp): .

    Source publication date: Not recorded.

Collector timestamps record when a source was stored, not an independent verification date. Source links provide context; they do not validate every specification, readiness label, certification, or proposed partnership route.