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Titanium Electrolyzer

Why Choose Us

Accept ODM/OEM service

OEM/ODM (we provide OEM/ODEM customized processing according to customers' actual needs).

Our service

After-sales service (we provide repair and replacement service within the warranty period or beyond the warranty period).

Professional Team

The company has a research and development team composed of 6 personnel specializing in titanium anodes and has established a solid cooperative relationship with scientific research institutes.

Quality Control

The company has advanced processing equipment, complete testing methods, a perfect quality assurance system.

 

 

 

What is Titanium Electrolyzer

 

 

An titanium electrolyzer is a device that uses electricity to split water or other components into their constituent elements through electrolysis. Electrolysis is a chemical reaction where an electric current passes through a substance, causing it to decompose into its basic components.in the case of water electrolysis, an electrolyzer uses an electric current to split water molecules into hydrogen and oxygen gases. The hydrogen gas can be stored as either compressed gas or liquefied. The oxygen created is released back into the air or captured and stored to supply to other industrial processes.

 

Key trends and advancements in Titanium Electrolyzer technology include

 

 

Scaling Up for Bulk Hydrogen Production
This shift is driven by the increasing interest in hydrogen as a clean energy carrier for various sectors, such as transportation, industry, and power generation.

 

High Efficiency and Low-Cost Electrolyzers
One of the primary goals of the industry is to develop electrolyzers that achieve high energy conversion efficiency while keeping costs competitive. Research and development efforts are focused on optimizing materials and designs to increase efficiency, as well as finding ways to reduce capital, operational expenses, and reliability.

 

Renewable Energy Integration
Many large electrolyzer projects are designed to be powered by renewable energy sources, such as wind and solar. This coupling of electrolysis with renewable energy addresses the intermittency issue of renewables by using excess energy during peak production times to generate hydrogen, which can be stored and utilized when renewable energy generation is low. In addition, these projects can help reduce the cost of hydrogen by harnessing excess energy from renewables when the market price for electricity is low.

 

Hybrid and Integrated Systems
Electrolyzer systems are increasingly being integrated into broader energy grids. These hybrid systems may combine electrolysis with fuel cells and other energy storage technologies like batteries to ensure a steady supply of hydrogen, as well as grid stabilization services.

 

Ammonia and Synthetic Fuel Production
Some large-scale electrolyzer projects are focused on producing ammonia or synthetic fuels, such as green hydrogen-derived ammonia. These products can serve as energy carriers or chemical feedstocks, expanding the potential of electrolysis technology into applications currently dominated by hydrogen produced from fossil fuels.

 

Electrolyzer Manufacturing and Deployment
As demand increases, electrolyzer manufacturing is evolving to streamline production processes and reduce costs. Additionally, deployment strategies are being refined to ensure efficient installation, operation, and maintenance of large-scale systems.

 

Policy and Investment Support
Governments and private sector investors are recognizing the importance of hydrogen as a clean energy vector. Substantial investments and policy initiatives are being directed toward the development of electrolysis technology, which is contributing to its rapid advancement.

 

Types of Titanium Electrolyzer
Sodium Hypochlorite Generator Electrolyzer

 

Proton exchange membrane (PEM) electrolyzers

 

PEM electrolyzers contain a proton exchange membrane that uses a solid polymer electrolyte. When an electrical current is applied to its cell stack during water electrolysis, the water splits into hydrogen and oxygen. The hydrogen protons pass through the membrane to form H2 on the cathode side.

 

Alkaline electrolyzers

 

Alkaline electrolyzers contain water and a liquid electrolyte solution such as potassium hydroxide (KOH) or sodium hydroxide (NaOH). When current is applied to an alkaline cell tack, the hydroxide ions (OH-) move through the electrolyte solutions from the cathode to the anode of each cell. The hydrogen gas bubbles are generated at the cathode, and the oxygen gas is generated at the anode.

 

Solid oxide electrolyzers

 

Solid oxide electrolyzers, or solid oxide electrolysis cells (SOECs), are solid oxide fuel cells that run in regenerative mode. A SOEC uses a solid oxide, or ceramic, electrolyte. When current is applied, and water is fed into its cathode, the water converts into hydrogen gas and oxide ions. While the hydrogen gas is captured for purification, the oxide ions move to the anode and release electrons to an external circuit to become oxygen gas.

 

Components of Titanium Electrolyzer
 

Containment Shell
All the working components of an electrolyser are held within pressure retaining containment shell. The shell is designed to withstand maximum operating pressures and temperatures. It also provides impact protection during transportation and operation.

 

Electrodes
These constitute the interface through which electrons from the external current source enter and leave the Water. The positive terminal, called the Anode, receives negatively charged ions from the Water and strips out their electrons. The Cathode is the negative terminal, which receives electrons from the external circuit and pumps them into the Water.

 

Electrolyte
Alkaline or acidic Water is the electrolyte as well as the raw material. An electrolyte is a material that allows ions (such as H+ an OH-) to flow but not electrons. The addition of acid or alkali into Water increases the number of ionic charge carriers. Hydrogen ions are converted to Hydrogen molecules by the addition of 2 electrons to 2 Hydrogen ions in solutions. The ion-traffic therefore influences the production rate.

 

Separator
Electrical short-circuiting between the Anode and Cathode is prevented by the separator. This is designed to permit ion movements, while preventing physical contact between electrodes.

 

DC power supply
To sustain the movement of electrons and ions for continuous Hydrogen and Oxygen production, the minimum theoretical voltage under standard conditions is 1.23 V. In practical applications, various electrical resistances at electrode interface and electrolyte necessitate a higher applied voltage, ranging around 1.8 V-2.0 V.

 

How to Choose Titanium Electrolyzer

Select the Electrolyzer Type
There are several types of electrolyzers available, including alkaline, proton exchange membrane (PEM), and solid oxide electrolyzers. The selection of the electrolyzer type will depend on factors such as the hydrogen demand, the available renewable energy, and the required purity of the hydrogen produced.

 

Determine the Electrolyzer Efficiency
The efficiency of the electrolyzer will determine the amount of renewable energy needed to produce the required amount of hydrogen. The electrolyzer efficiency can vary depending on the type of electrolyzer and the operating conditions. The efficiency can be determined from the manufacturer's specifications or through testing.

Calculate the Electrolyzer Capacity

The electrolyzer capacity can be calculated by dividing the hydrogen demand by the electrolyzer efficiency. For example, if the hydrogen demand is 100 kg per day and the electrolyzer efficiency is 70%, then the required electrolyzer capacity would be 143 kg per day (100 kg / 0.7).

Add Margin of Safety

It is recommended to add a margin of safety to the calculated electrolyzer capacity to account for variations in the renewable energy production and to ensure reliable operation. A margin of safety of 10-20% is typically used.

Select the Balance of System Components

The balance of system components includes items such as the power electronics, energy storage, and hydrogen storage. These components must be sized to match the capacity of the electrolyzer and the available renewable energy.

 

 

What Is the Best Material for an Titanium Electrolyzer?

Titanium

Titanium is a highly corrosion-resistant material that is commonly used for electrodes in acidic electrolyzers. It is also used as a substrate for coating with other materials, such as platinum or iridium, to enhance the performance of the electrodes.

Nickel

Nickel is a relatively inexpensive material that is used in alkaline electrolyzers. It is less corrosion-resistant than titanium, but it can be coated with other materials to enhance its performance.

Stainless steel

Stainless steel is a common material for the construction of electrolyzer cells. It is durable, corrosion-resistant, and relatively inexpensive.

Platinum

Platinum is a highly efficient catalyst material that is commonly used as a coating on electrodes to enhance the performance of the electrolyzer. It is expensive, but it can significantly increase the efficiency of the electrolysis reaction.

Iridium

Iridium is another highly efficient catalyst material that is commonly used in conjunction with platinum to coat electrodes. It is even more expensive than platinum, but it can further enhance the performance of the electrolyzer.

Carbon

Carbon is a relatively inexpensive material that can be used as a substrate for coating with other materials, such as platinum or iridium, to enhance the performance of the electrodes. It is commonly used in proton exchange membrane (PEM) electrolyzers.

 

Titanium Electrolyzer Safety Considerations
 

 

1

Proton Exchange Membrane (PEM) Electrolysis
Membrane Degradation: The polymer electrolyte membrane used in PEM electrolyzers can degrade over time due to exposure to high temperatures, high current densities, and impurities in the feedwater, affecting system efficiency and safety. When the membrane degrades, the crossover of hydrogen into the oxygen side of the system increases, resulting in a higher risk of a combustible mixture forming on the oxygen side. Additional safety considerations in PEM systems include the evolution of dissolved hydrogen and oxygen from water in the balance of plant of the electrolyzer system.

 
2

Alkaline Electrolysis
Alkali Leakage: The use of alkaline electrolytes in these systems can lead to concerns about the leakage of caustic solutions, which are corrosive and can be harmful to both human operators and the environment. In addition, damage or degradation of the diaphragm in alkaline systems increases the risk of the mixing of hydrogen and oxygen products, possibly forming a combustible mixture inside the balance of plant of the system.

 
3

Anion Exchange Membrane (AEM) Electrolysis
Membrane Stability: AEM electrolyzers are in early stages of development, and membrane stability is a significant concern. Membranes can degrade due to factors like chemical interactions, pH changes, and operational conditions.

 
4

Solid Oxide Electrolysis (SOEC)
High Temperatures: Operating at high temperatures introduces risks of thermal stress, degradation of materials, and potential failures in sealing and insulation, all of which can impact system safety and reliability. In addition, the operating temperature of SOEC systems is above the auto-ignition temperature for hydrogen, so a hydrogen leak from the system or in the area where high temperatures exist will immediately ignite. Steam used in the SOEC systems also poses a hazard that does not exist in low-temperature electrolysis systems.

 

 

Our Factory
 

 

Di Noer Technology Co., Ltd. is located in Baoji High-tech Development Zone, which is known as "China Titanium Valley". It is a high-tech enterprise mainly engaged in electrochemical electrode materials, integrating research, development, professional production and sales. The company specializes in the production of MMO noble metal mixed oxide coated titanium anodes. The main products of titanium anodes are ruthenium-iridium-coated titanium anodes, iridium-tantalum-coated titanium anodes, titanium-coated ruthenium-coated anodes, titanium-coated platinum anodes, titanium-coated lead dioxide anodes, flexible anodes, etc.

 

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Our certificate
 

 

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FAQ

 

Q: Is an electrolyzer a fuel cell?

A: Fuel cells are electrochemical cells that convert chemical energy into electricity and electrolyzers convert electrical energy into molecules with high potential energy densities. The most common example is that of water splitting shown in Eq.

Q: How much hydrogen can an electrolyzer produce?

A: One electrolyser module produces 12 Nm³ of hydrogen gas in 24 hours, weighting >1 kg (1.0785 kg). At the normal output pressure of the electrolyser with 35 barg, 1.0785 kg of hydrogen occupies a volume of 0.343 m³ (343 L).

Q: What is the problem with hydrogen electrolysis?

A: The fundamental problem lies in the laws of physics. Between 50 and 80 percent of the energy value of clean electricity is lost in the process of making hydrogen and then burning it to generate electricity. Some of those losses occur in the electrolysis process, which is roughly 70 to 75 percent efficient.

Q: How much does an electrolyzer cost?

A: As a result, average system-level cost (including both stack and balance of plant) is now at a mid-range of $600/kW for an electrolyser made in China, while machines made in Europe or the US are around $2,500/kW.

Q: How many kWh to produce 1 kg of hydrogen?

A: If the electricity is produced from carbon-free sources, this allows production of carbon-free hydrogen gas, also called 'green hydrogen'. This process transforms about 70-80 % of the electrical energy into chemical energy of the hydrogen gas. It takes about 50 to 55 kilowatt- hours (kWh) to produce 1 kg of hydrogen.

Q: What is the new technology for electrolysers?

A: An electrolyser splits water into hydrogen and oxygen. In traditional designs, gas bubbles crowd the electrode, and reduce the electrolyser efficiency. Hysata's design uses a sponge membrane to achieve direct delivery of water to electrodes and eliminates bubble formation.

Q: What is the lifespan of an electrolyser?

A: PEM electrolyzers induce minimal environmental impacts and are further being considered in this research. Unfortunately, their significant lifetime limitation of about 9 years makes them costly to use. It is known that the operation of electrolyzers depends on the control system used.

Q: Does Siemens make electrolyzers?

A: Our electrolyzer portfolio: the optimum solution for large-scale sustainable hydrogen production. Generating green hydrogen efficiently from water and renewable energy requires high-end technology and innovative solutions — like the electrolyzer product family from Siemens Energy.

Q: Who is the largest electrolyser producer?

A: China, which leads both in terms of electrolysers capacity, with a cumulated capacity of almost 220 MW in 2022 and 750 MW under construction to be online in 2023, and manufacturing capacity for electrolysers, accounting for 40% of global capacity today.

Q: How much water is required for electrolyser?

A: Producing hydrogen through the process of electrolysis theoretically requires 9 L of water per kg of hydrogen based on the stoichiometric values. [11]. However, most commercial electrolysis units on the market today advertise that they require between 10 and 11 L of deionized water per kg of hydrogen produced.

Q: How much does it cost to build an electrolyzer?

A: As a result, average system-level cost (including both stack and balance of plant) is now at a mid-range of $600/kW for an electrolyser made in China, while machines made in Europe or the US are around $2,500/kW.

Q: What is the new technology for electrolysers?

A: An electrolyser splits water into hydrogen and oxygen. In traditional designs, gas bubbles crowd the electrode, and reduce the electrolyser efficiency. Hysata's design uses a sponge membrane to achieve direct delivery of water to electrodes and eliminates bubble formation.

Q: What is the maintenance of an electrolyzer?

A: The main regular maintenance needed is draining and refilling electrolyte once a year or if the electrolyte quality is degraded. The used electrolyte needs to be disposed according to the local regulations. It should be checked that the ventilation ports are free of dust and obstacles and that there are no leakages.

Q: How much hydrogen does a 100 MW electrolyser produce?

A: Here, the power rating of 100 MW indicates the maximum electrical power the electrolyzer can 'ingest. ' As a rough estimate in terms of how much hydrogen production that means, the company suggests each 100 MW system will be capable of producing ~50 tons of green hydrogen per day.

Q: What is the lifespan of an electrolyser?

A: PEM electrolyzers induce minimal environmental impacts and are further being considered in this research. Unfortunately, their significant lifetime limitation of about 9 years makes them costly to use. It is known that the operation of electrolyzers depends on the control system used.

Q: How to store hydrogen from electrolysis?

A: Hydrogen is usually produced by electrolysis and can be stored in underground caverns, tanks, and gas pipelines. Hydrogen can be stored in the form of pressurized gas, liquefied hydrogen in cryogenic tanks, metal hydride or in chemical compounds (ammonia, methanol, etc.)

Q: What are the factors affecting electrolysis efficiency?

A: The major components of this process are electrolytes, electrodes, a salt bridge and an external power source. The factors affecting the electrolysis process are the nature and material of the electrode, the presence of oxidizing and reducing agents in the electrolyte, and electrode potential.If high-purity hydrogen is required, PEM electrolysis may be the better option, even though it may be more expensive. If lower-purity hydrogen is sufficient, alkaline electrolysis may be the more cost-effective choice.

Q: Who is the largest electrolyser producer?

A: China, which leads both in terms of electrolysers capacity, with a cumulated capacity of almost 220 MW in 2022 and 750 MW under construction to be online in 2023, and manufacturing capacity for electrolysers, accounting for 40% of global capacity today.The effect of temperature on electrolysis is explained below: Electrolysis reaction requires energy by adding electrical energy to heat energy there will be an increase in the rate of reaction. Therefore adding heat energy to electrical energy increase the rate of reaction.

Q: What are the challenges of electrolyser?

A: Key components and materials required for electrolyser production, such as membranes, catalysts, and electrodes, often need to be imported, leading to higher costs and supply chain complexities. High Capital Investment: Establishing an electrolyser manufacturing facility requires significant capital investment.

Q: Does temperature affect electrolysis?

A: In summary, temperature plays a crucial role in electrolysis. It not only affects the rate of the reactions but also the efficiency and safety of the process. Therefore, understanding the impact of temperature on electrolysis is essential for anyone studying or working with this process.As a result, average system-level cost (including both stack and balance of plant) is now at a mid-range of $600/kW for an electrolyser made in China, while machines made in Europe or the US are around $2,500/kW.

We're professional titanium electrolyzer manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to buy high-grade titanium electrolyzer for sale here and get pricelist from our factory. For price consultation, contact us.

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