HOME/SILO B · OEM STACKS & TESTING

FACTORY-BACKED PEM STACK TECHNOLOGY

The Heart of Green Hydrogen.
Engineered for Lifespan.

Our manufacturing partner develops the electrochemical core across MEA preparation, corrosion-resistant current collectors, bipolar plates, high-pressure sealing, stack design and testing. ST Hydrogen coordinates international specifications, documentation and commercial delivery.

PEM stack pressure boundary: model-specific maximum withstand ratings up to 3.5 MPa · Configured operating pressure and final outlet conditions require engineering review

INDUSTRIAL STACK / ST-PEME-5-C45° PRODUCT VIEW
ST-PEME-5-C industrial PEM electrolyzer stack shown at a 45-degree angle
OEM ELECTROCHEMICAL CORE

Engineered for cabinet integration.

Configurable ports, monitoring interfaces and compression architecture for the agreed operating envelope.

60–5000mL/min · listed R&D models
1.0–5.0Nm³/h · OEM module range
Up to 3.5MPa · listed OEM withstand rating*
HOW PEM ELECTROLYSIS WORKS

One membrane.
Two controlled pathways.

At the anode, deionized water is split into oxygen, protons and electrons. Protons cross the PEM while electrons travel through the external circuit; they recombine at the cathode to form hydrogen.

PEM water electrolysis diagram showing water entering the anode, oxygen leaving, proton transport through the membrane and hydrogen production at the cathode
Simplified process illustration. Final stack materials, interfaces and operating envelope are model- and project-specific.
CORE ENGINEERING CAPABILITIES

From electrochemical layers
to integrated validation.

01

Membrane Electrode Manufacturing

MEA preparation and repeatable process control for the agreed electrochemical design.

02

Corrosion-Resistant Current Collection

Collector material and surface-treatment choices reviewed against the operating environment.

03

Bipolar Plate Design & Machining

Flow-field, manifold and manufacturability considerations developed around the target duty.

04

High-Pressure Sealing Architecture

Seal geometry and compression strategy engineered for the specified pressure envelope.

05

Stack Design & Integrated Testing

Stack assembly, pressure checks and performance testing documented against agreed criteria.

06

System Design & Integration

Mechanical, electrical and control interfaces coordinated for OEM and cabinet integration.

THREE ENGINEERING PATHS

Choose the core.
Define the evidence.

Navigate by development stage: electrochemistry research, commercial system integration or controlled stack validation.

CATEGORY 1 · RESEARCH

R&D & Laboratory
Electromembrane Stacks

For university laboratories and MEA development teams that need repeatable test geometry, documented interfaces and clear I–V evidence.

MICRO-SCALE EVALUATION01
ST-PEME-60-C micro-scale PEM electrolyzer evaluation stack

ST-PEME-60-C

Catalyst-loading sweeps, membrane degradation studies and early-stage electrochemistry evaluation.

H₂ output
60 mL/min
Electrical rating
8 A / 3.5 V
Mass
0.3 kg
Max. withstand
0.5 MPa*
Typical lead time
Within 7 days*
STANDARD LAB CORE02
ST-PEME-300-C standard laboratory PEM electrolyzer stack

ST-PEME-300-C

Research-bench integration with pre-compressed architecture and configurable water-routing interfaces.

H₂ output
300 mL/min
Electrical rating
20 A / 7 V
Mass
0.91 kg
Max. withstand
0.5–3.5 MPa*
Typical lead time
Within 7 days*

* Small-stack lead time is typically within 7 days after model, interfaces and order details are confirmed.

CATEGORY 2 · SYSTEM INTEGRATION

OEM Commercial
Stack Modules

Core modules for integrators building power-to-gas pilots, hydrogen cabinets and renewable-energy systems.

ST-PEME-1-C and ST-PEME-2-C industrial OEM PEM electrolyzer stack modules
1.0–2.0 Nm³/h

ST-PEME-1-C / ST-PEME-2-C

Medium-scale stack platform for pilot cabinets and distributed hydrogen systems.

Output scope
1.0–2.0 Nm³/h
Max. withstand
3.5 MPa*
Electrical rating
ST-PEME-1-C: 355 A / 21 V
ST-PEME-2-C: 355 A / 42 V
Mass
68 kg / 75 kg
Typical lead time
About 1 month*

* Industrial-stack lead time is typically about one month after technical configuration and order confirmation.

CATEGORY 3 · VALIDATION

Electrolyzer Diagnostic
& Testing Platforms

Testing architectures for laboratory evaluation, factory acceptance testing and repeatable polarization characterization.

Automated single-channel PEM electrolyzer testing bench with PLC control
AUTOMATED SINGLE CHANNEL

PC / PLC Testing Bench

Automated I–V sweeping, data logging, water-temperature control and configurable pressure interlocks. LabVIEW interface support is reviewed per project.

Request bench specification
Desktop manual PEM electrolyzer electrochemical evaluation rig
DESKTOP MANUAL

Manual Evaluation Rig

Compact initial-screening platform with visible flow path, basic electrical measurement and manual gas collection.

Request rig specification
DEVELOPER & INTEGRATION RESOURCE HUB

Move from product interest
to interface review.

Request the engineering files your mechanical, electrical and controls teams need for an initial fit assessment.

Controlled files may require an NDA and an identified project before release.

B2B EVIDENCE GATE

Every claim needs
a test condition.

01

Define

Duty cycle, inlet conditions, output target and integration boundaries.

02

Configure

MEA, coating, flow field, compression, seals, ports and monitoring.

03

Validate

I–V curve, pressure test, leakage method and acceptance criteria.

04

Release

Datasheet, ICD, STEP model and agreed quality documentation.

CUSTOMIZATION RFP ENGINE

Specify the stack,
not just the flow rate.

Give the electrochemistry and interface constraints required for a meaningful proposal.

≤ 3 daysTarget for initial engineering response
on business days

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