Principle of the hydrogen battery

Introduction The principle of the hydrogen battery is the reverse reaction of the electrolysis of water. According to Baidu Encyclopedia, a hydrogen fuel cell is a power generation device that directly converts the chemical energy of hydrogen and oxygen into electrica

Principle of the hydrogen battery

The reverse reaction of the electrolysis of water.

According to Baidu Encyclopedia, hydrogen fuel cells are power generation devices that directly convert the chemical energy of hydrogen and oxygen into electrical energy . The basic principle is the reverse reaction of water electrolysis, supplying hydrogen and oxygen to the anode and cathode, respectively. After the hydrogen diffuses outward through the anode and reacts with the electrolyte, the electrons are released and reach the cathode via an external charge. Dry cells and batteries are energy storage devices that store electrical energy and release it when needed. Strictly speaking, hydrogen fuel cells are a power generation device that, like a power plant, directly converts chemical energy into electrical energy.

Hydrogen and oxygenwere obtained by electrolysis of water. I heard that hydrogen can produce electricity

Yes, water is a very stable compound, so. it's a scam.

Currently, there is no stable and inexpensive catalyst for electrolyzing water. The common commercial catalyst is iridium dioxide, a precious and very expensive metal. Currently available commercially are hydrogen fuel cells, in which hydrogen and oxygen are placed at both ends of the anode and cathode, respectively. Hydrogen protons enter the holes in the proton exchange membrane (PEM) and combine with oxygen molecules, as well as redox. The reaction occurs under the action of the catalyst and the electrons stuck outside the membrane must bypass both ends of the electrode plate, thereby generating current to drive the motor.

Principle of the fuel cellhydrogen tible

Student, this hydrogen power generation is a type of thermal power generation. Thermal energy production refers to the use of heat released by combustion. evaporate the liquid to form steam to drive The turbine rotates, then drives the generator to produce electricity. Our current thermal power generation primarily burns coal, but the carbon dioxide produced by burning coal has a huge effect on the greenhouse effect. are studying clean energy sources such as hydrogen that do not produce carbon dioxide when burned, as well as hydrogen batteries, new energy batteries that use chemical reactions of hydrogen to produce energy. electricity.

The principle of a hydrogen fuel cell is to use hydrogen and oxygen to undergo a redox reaction on electrodesin order to generate electrical energy.

Hydrogen fuel cells are power generation devices that use hydrogen as a fuel and directly convert the chemical energy contained in the fuel into electrical energy through electrochemical reactions. The basic working principle of a hydrogen fuel cell is the reverse reaction of electrolytic water, supplying hydrogen and oxygen to the anode and cathode, respectively. After the hydrogen diffuses outward through the anode and reacts with the electrolyte, the electrons are released and reach the cathode via a channel. external load. Hydrogen is broken down into electrons and hydrogen ions (protons) by a catalyst (platinum) located in the positive electrode of the fuel cell.

The protons pass through the proton exchange membrane to the negative electrode and react with oxygen pto become water and heat. The corresponding electrons flow from the positive electrode to the negative electrode through the external circuit to generate electrical energy. Hydrogen fuel cell electrodes are typically made of precious metals such as platinum, palladium and rhodium. A precious metal catalyst on the anode promotes the hydrogen oxidation reaction, thereby producing electrons. A precious metal catalyst on the cathode promotes the oxygen reduction reaction, which accepts electrons and forms water.

Application fields of hydrogen fuel cells

In the 1960s, hydrogen fuel cells were successfully used in the field aerospace. The “Apollo” spacecraft that traveled between space and earth was equipped with this small size and large capacity device. After the early 1970s, as peoples continued to master various advanced hydrogen production technologies, hydrogen fuel cells were soon used in power generation and automobiles.

Large-scale power plants, whether hydroelectric, thermal or nuclear, send the electricity they produce to the grid, which then delivers it to users. However, due to the different loads of each electricity user, the power grid sometimes experiences peaks and sometimes troughs, which can lead to power outages or voltage instability.

In addition, about 70% of the combustion energy of traditional thermal power plants is consumed in huge equipment such as boilers and turbogenerators. When burning, a large amount of energy is consumed and a large amount of harmful substances. substances are emitted. The use of fuel cellsHydrogen to generate electricity directly converts the chemical energy of the fuel into electrical energy without burning. The energy conversion rate can reach 60%-80%. It also has less pollution and low noise. small and very flexible.

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