The Hydrogen Blog

"99.999%" tells you only one thing — that the total non-hydrogen content is at or below 10 ppm.

Are you looking for a reliable PEM electrolyzer for hydrogen production? Do you want a hydrogen generation system that offers high efficiency, excellent hydrogen purity, and fast response to changing power demands? Or are you hoping to find a professional PEM electrolyzer manufacturer capable of providing customized solutions for laboratory, industrial, or renewable energy applications? If the answer is yes, then PEM electrolysis technology is worth considering. Using a prot

What 99.999% H2 does and does not specify: N-grade notation, ISO 14687-2 impurity limits, the ASTM test methods behind them, and what a verifiable certificate of analysis must contain.

How to design a hands-on PEM fuel cell lab: thermodynamic efficiency limits, stack sizing, instrumentation, hydrogen supply and safety, plus a four-week course architecture and assessment rubric.

How buffer tank volume and a filling station change the economics of a distributed hydrogen supply. Includes sizing rules for uptime and peak draw.

PEM stack degradation is the hidden opex inflating your hydrogen LCOH. Typical degradation rates, replacement cost math, and 5 levers to cut your 5-year cost.

How to install a lab hydrogen generator safely: ISO 22734-1, NFPA 2 and ATEX requirements, ventilation, zone classification and a compliance checklist.

On-site H2 generator vs gas cylinder: 3-yr TCO for GC-FID labs. Save £1,070-7,050, 18-36 mo payback, safer & compliant.

How does a lab hydrogen generator work? A complete guide to PEM electrolysis and Pressure Swing Adsorption (PSA) purification, comparing 5N (99.999%) vs 7N (99.99999%) purity, with GC-FID/GC-MS selection tips and a cylinder comparison.

A plain-language look at how a flame ionization detector turns organic compounds into a measurable current — and why the purity of the hydrogen fuel gas decides whether your GC/FID baseline stays clean or drifts.

How does a PEM fuel cell work? Learn the working principle, 40-60% efficiency factors, six key applications and ISO 14687 hydrogen purity rules - with a quick FAQ.

This guide explains the working principles of industrial hydrogen generators, their applications, and the key considerations when choosing the right solution.

Everything a lab manager needs to choose a hydrogen generator in 2026 — how PEM electrolysis works, the specs that matter, cylinder-vs-generator ROI, and a step-by-step selection checklist.

See PEM electrolyzers at work across five real deployment archetypes — labs, industrial decarbonization, H2 refueling, SAF, and off-grid power-to-gas — and why PEM wins for green hydrogen.

A scientific hydrogen generator makes ultra-pure hydrogen on demand, straight from deionized water through PEM electrolysis — so your lab can run GC, GC-MS, ICP-MS and CVD without tying itself to helium supply, gas cylinders, or delivery trucks. For any lab weighing that switch, an on-site laboratory hydrogen generator is now the pragmatic default, not a leap of faith. LH Scientific Hydrogen Generator The past five years have exposed how fragile the old model really is. Heliu

The U.S. Department of Energy aims for 50 million metric tons of clean hydrogen a year by 2050 — enough to decarbonize steel, jet fuel, and shipping. But solar and wind do not generate on a tidy schedule, which is why a pem electrolyzer is deployed to soak up surplus renewable power in seconds. So what is a pem electrolyzer? It is a device that splits water into hydrogen and oxygen using a proton-conducting membrane. If you have ever asked how does a pem electrolyzer work, th

The signing ceremony took place at Hovogen’s headquarters in Dongguan during an executive delegation visit led by Marco Levi, CEO of H2planet DONGGUAN, CHINA & MILAN, ITALY — August 2026 — Hovogen and Hydro2power srl (owner of the H2planet brand, "H2P"), a premier European innovator in green hydrogen and fuel cell integration, have officially signed a Memorandum of Understanding (MOU) establishing a multi-year global strategic partnership. The signing ceremony took place at H

Bottom line first: For most GC-FID labs, an on-site hydrogen generator for GC-FID now beats helium cylinders on three fronts at once — it runs 20–30% faster, removes a supply chain you no longer control, and pays for itself in roughly 18–36 months. With helium prices reaching record highs in 2025 (up over 400% in recent years), the question is no longer whether to switch, but how to size and buy the right unit. This guide gives procurement and lab leads the TCO math, the puri

Roy Lee, Hysence Strategic Consultant

Hysence Strategic Consultant

As the global energy transition accelerates, Proton Exchange Membrane (PEM) water electrolysis has emerged as the premier technology for distributed, high-purity green hydrogen production.

# The Comprehensive Guide to PEM Fuel Cell Technology Introduction: The Rise of Hydrogen Fuel Cell Technology In recent years, the hydrogen energy industry has experienced significant growth, leading to an increased focus on fuel cell technology across various sectors. According to market research firm Allied Market Research, the global fuel cell market is projected to reach $84.8 billion by 2030, with Proton Exchange Membrane Fuel Cells (PEMFC) emerging as the most prominent

By Ryan Huang -- Hovogen Gobal Sales Division Director | Updated 2025 | Reading Time: ~15 minutes 1. Introduction & Core Technical Specifications As hydrogen infrastructure scales globally to meet decarbonization mandates, the 10 normal cubic meters per hour (Nm³/h) PEM (Proton Exchange Membrane) water electrolysis system has emerged as the workhorse unit for on-site hydrogen generation at industrial pilot plants, university research facilities, refueling stations, and distr

Guest Post: Emily Dsouza is the Marketing Head with extensive experience in industrial technology, renewable energy, and B2B market research content. She specializes in analyzing emerging energy trends, hydrogen technologies, and sustainable industrial innovations, helping businesses stay informed about advancements shaping the future of clean energy. Technology Overview As the global transition toward clean energy accelerates, hydrogen is emerging as a critical solution fo