Learn About The Concept of PEM Assembly

PEM Assembly technology offers a breakthrough. Well as we all know there is a worldwide concern for the protection and well-being of planet Earth. Climate change is no longer a threat but actually has become an evident reality. Consequently, research has lead to finding an adequate replacement of fossil fuel energy through alternative energy sources.

Proton Exchange Membrane technology happens to be one of the most promising discoveries of the 21st century.  It has helped scientists to opt for Fuel cells instead of the traditional energy source. Fuel cells are highly efficient, climate-friendly, and have low maintenance costs as well.

Although Fuel cells have gained much-required attention it is not the only use of PEM. In fact, the የፒኤምኤም ስብሰባ is vital in a range of application areas such as water purification and gas separation.

PEM technology-A break through

PEM Assembly Functionality

Before we appreciate the PEM applications it is essential that we understand how the PEM functions. The Proton Exchange Membrane happens to be a semi-permeable membrane. It is usually polymer in nature but we can also come across composite membranes as well.

የ የፒኤምኤም ስብሰባ is maneuvered in such a magnificent way that it allows only protons to be conducted. However, at the very same time, it also acts as an electronic insulator.

This happens to be the beauty and essence of the membrane and that is why you can use it in Fuel cells and other applications. It simply separates the reactants and the transport of protons. Also, at the very same time, the PEM blocks a direct pathway through the membrane.

You categorize the PEM membranes essentially through their proton conductivity, methanol permeability, and thermal stability.

So, now that you understand how a PEM works let us move on to its applications.

PEM Fuel Cell

ነዳጅ በጣም ታዋቂ እና በሰፊው ጥቅም ላይ የዋሉ የፒኤምኤም መተግበሪያዎች አንዱ ነው ፡፡ በነዳጅ ሴል ውስጥ ጥቅም ላይ የሚውሉት ሽፋኖች ከፍተኛ የኬሚካል መረጋጋት አላቸው እንዲሁም እንደ ኤሌክትሮላይት እንዲሁም እንደ መለያየት ያገለግላሉ ፡፡ የነዳጅ ሴል የሚሠራበት መሠረታዊ መሬት በመሆኑ የጋዞች መለያየት በጣም አስፈላጊ ነው ፡፡ ፒኤምኤም በጣም በሚያምር ሁኔታ ፕሮቶኖችን ከአኖድ ወደ ካቶድ ያጓጉዛል እንዲሁም በተመሳሳይ ጊዜ መከላከያ ያረጋግጣል ፡፡

PEMFC የተደበደቡ ጠንካራ ኦክሳይድ ነዳጅ ሴሎችን አውጥቷል ፡፡ የፒኤም.ኤፍ.ሲ.ኤፍ.ኤስ በጣም ዝቅተኛ በሆነ የሙቀት መጠን የሚሰሩ እና በተፈጥሮ ውስጥ ቀለል ያሉ እና ጥቃቅን ናቸው ፡፡ ይህ እጅግ በጣም ጥሩ የነዳጅ መኪና ሕዋሶች ምንጭ ያደርጋቸዋል ፡፡

በ PEMFC ውስጥ ዋና ምላሽ

Let us take a look at the main reaction taking place in a በፒኤምኤም ስብሰባ፡ PEMFC ሃይድሮጂንን እንደ ነዳጅ ይጠቀማል ፡፡ ሆኖም ሃይድሮጂን ኦክሳይድ በአየር ብቻ የሚገኝ ምንጭ አይደለም ፡፡ ስለሆነም እንደ ሚታኖል እና ፎርማሲ ያሉ ሌሎች አማራጮች አሉዎት ፡፡ የነዳጅ ምርጫ በእውነቱ መካከለኛ ቁሳቁስ ላይ የተመሠረተ ነው ፡፡

ከዚህ በታች PEMFC ን የበለጠ ለመረዳት ይረዳናል። PEMFC በተፈጥሮ ውስጥ በጣም ተለዋዋጭ የሆነ ፖሊመር ሽፋን አለው። የኤሌክትሮላይት ውፍረት ከ 15 ሚሜ እስከ 180 ሚሜ ይለያያል ፡፡

በነዳጅ ሴል ውስጥ ኬሚካዊ ምላሽ

በአኖድ ክፍሉ በኩል ሃይድሮጂንን ያስተዋውቃሉ እና አየር በተቃራኒው የካቶድ ክፍል ውስጥ ያልፋል ፡፡

Both of the specific gases go through a gas diffusion layer with the help of diffusion and convection. Therefore, The gas diffusion layer is highly important in the fuel cell as it enables the reactant to be delivered and remove the actual product from the electrodes. It also makes sure that the heat transfer made through the gases is sufficient and low resistance is incurred.

Moving on from the GDL the gases then make their way to the PEM. The PEM has been coated with a catalyst most often Pt is used. At the anode, the hydrogen molecule is caused to split forcing the electron to flow out. The PEM is a semi-permeable polymer membrane which only allows the positive ions to be conducted to the cathode.

The electrons which have been previously split at the anode rejoin at the cathode producing heat and water. The water makes its way out of the cathode along with excess nitrogen and oxygen.

The water usually produced may cause flooding and may impact the reactant transportation.  This is why it is ensured that the temperature of the Fuel cell does not go beyond 80 degrees Celsius.

Anode reaction:

2H₂ → 4H⁺ + 4e⁻

Cathode reaction:

O₂ + 4H⁺ + 4e⁻ → 2H₂O

Overall cell reaction:

2H₂ + O₂ → 2H₂O + heat + electrical energy

The energy obtained from the reaction is 1.23 V

Analyzing the Fuel Cell

Let us briefly analyze the PEMFC. Some of the advantages of the PEMFC are as follows.

• High efficiency
• Highly reliable
• There is a great decrease in Noise Pollution
• Environment friendly-A great alternative to fossil fuels
• Compact size

Disadvantages of the Fuel Cell

• High Production Cost
• Infrastructure not available to manage hydrogen
• Technology still in the prototype stage
• Hydrogen is yet hard to produce
• High sensitivity

PEM Assembly in Electrolysis

We also use Polymer electrolyte membranes in the process of electrolysis. PEM water electrolysis is an intricate process we will explain further. Although there are other ways for hydrogen extraction PEM electrolysis happens to be the most promising. It has a higher productivity and efficiency rate along with a compact design.

The design of The PEM Electrolyzer manages to overcome the problems that take place during a typical alkaline electrolyzer. It helps magnificently in the areas of partial load and hydrogen density. It provides fast dynamic response times and facilitates high gas purities.

You can use the hydrogen that you obtain from PEM electrolysis in hydrogen fueling stations as well as household units. PEM electrolysis actually helps to increase the operating pressure at which you store the hydrogen in vessels. Thus, this prospect is mind-blowing for stationary systems that have a relatively small power capacity.

Most interestingly PEM electrolysis provides hydrogen that can also use form biogas or flue gases which are excellent sources of renewable energy.

The biggest advantage of PEM electrolysis is its ability to perform at high densities.

The Fundamentals of PEM Electrolysis

The whole process is endothermic and so electricity is applied as the energy source. The PEM electrolysis is very much similar to the PEM fuel cell. The PEM works with a very thin membrane measuring about 2mm in thickness. Due to its solid structure, there is a low gas crossover that enables high products of gas purity.

Reactions

The reaction that takes place at the anode is popular by the name Oxygen Evolution Reaction.

Anode Reaction

At the anode, oxidize the water to produce oxygen, electrons, and protons. Then transfer the protons over the PEM so that you can reduce them to hydrogen. The catalyst typically used for this reaction is iridium. It is popular due to its anti-corrosive properties.

Cathode Reaction

Hydrogen Evolution Reaction is the name of the reaction that takes place here. The cathode reaction is very similar to the PEM Fuel cell. Manufacturers use a Piece of carbon paper to make the gas diffusion layer.

So, to conduct the protons, you use the membrane to produce hydrogen. The figure below will give you a better insight as to the reactions occurring at the cathode and anode.

 

Efficiency

To measure the efficiency of PEM electrolysis, use the higher heat value. Thus, the temperature for operation in PEM Electrolysis is 80 degrees Celsius. Therefore it is possible to redirect the waste heat to make the steam. This increases efficiency immensely.

ለ PEM ኤሌክትሮላይዜሽን ውጤታማነት የተሰላው ዋጋ 80 በመቶ ነው ፡፡ ይህ ለግብረ-መልስው በሚያስፈልገው የኤሌክትሪክ አሃድ መሠረት ከሚመረተው ሃይድሮጂን አንፃር ይሰላል ፡፡ በጊዜ ሂደት ውጤታማነት እንደሚጨምር እንገምታለን ፡፡

የፒኤምኤም ስብሰባ አምራቾች

የፒኤምኤም ስብሰባ በጣም የሚፈለግ ሂደት ሲሆን በአሁኑ ጊዜ ብዙ አምራቾች አሉ ፡ ጥሩ ፒኤም ጥሩ የፕሮቶን ቅልጥፍና ፣ ሜካኒካዊ ጥንካሬ እና ከፍተኛ ብቃት ያለው መሆኑ በጣም አስፈላጊ ነው ፡፡ ናፊዮን ከሁሉም መስፈርቶች ጋር የሚስማማ የመጀመሪያው PEM ነው ፡፡

PEM ን የሚያመርቱ ሌሎች ብዙ ኩባንያዎች አሉ ግን አብዛኛዎቹ በናፊዮን ፖሊመር መዋቅር ላይ የተመሰረቱ ናቸው ፡፡ የኬሚካል እና የሙቀት መረጋጋት ተስማሚ መሆኑን ለማረጋገጥ የካርቦን-ፍሎራይን ሬንጅ ይጠቀሙ ፡፡ ስለዚህ ናፊዮን የሰልፈኖኒክ ቡድንን ይጠቀማል ፣ የውሃ መሳብ ቢከሰት ጥሩ እንቅስቃሴን ሊያደርግ ይችላል ፡፡

በቅርቡ የተደረገው ጥናት በፕላቲኒየም ቀስቃሽ ላይ የሚታኖልን መርዝ ለመቀነስ ይመራል ፡፡ ይህ ሊከናወን የሚችለው ኦሪጅናል ፒኤምኤ ጥቅም ላይ የዋለ ከሆነ ወይም የናፍዮን እብጠትን ለመቀነስ ፖሊመርን በመርጨት ብቻ ነው ፡፡

የ PEM ስብሰባ ማጠቃለያ

Proton Exchange Membrane technology is an outstanding breakthrough in the modern world scenario. It has become essential for future climate-friendly and efficient devices. Below we will be giving you a comprehensive introduction to the fascinating የፒኤምኤም ስብሰባ methodology used in applications.

This was a brief introduction to the PEM Assembly and its incredible uses. Hopefully, you have a better insight. We offer a wide range of PEM services. To learn more about our services, we recommend you reach out to us.

Our learned staff would provide you with all the information. They would ensure that you are able to find the best product.