Answer to Question #193941 in Electrical Engineering for Russy

Question #193941


• Solar cells can be found on a range of items, use the Internet and/or other resources, to describe the basic operation and an application of a solar power source of your choice.

Note: You should include with your description a labelled diagram of a solar panel giving a brief description to how a solar panel works to generate electricity.

 

• Cells and batteries take many forms and shapes select and describe the characteristic features of two different types of electro-chemical cells or batteries.


Note: You should include with your description a labelled diagram to show how a typical battery is constructed. For the two batteries you have selected above give typical applications they can be used for. Explain how the batteries should be safely disposed and what legislation should be followed.


1
Expert's answer
2021-05-18T06:58:02-0400

Sun energy can be categorized as heat and light in two forms. Every day, we use solar power in many respects. When we hang out laundry in the sun to dry, we dry our clothes using solar radiation. In the presence of the sun, plants make their food. Feed from plants is given to animals and humans. In reality, millions and millions of years old, fossil fuels are solar oil.

There is a wide range of solar energy devices. These products are known as sun or solar thermal collectors. Thermal solar technology is used for heating water or air solar thermal energy for room heating, pool heating, and house- and commercial-water heating. Consider solar energy applications in various fields.





Stated, a solar panel functions by enabling photons or light particles to strike electrons free of atoms to generate electricity flow. In reality, solar panels consist of several smaller units known as photovoltaic cells. (Photovoltaic means that they actually transform energy from sunlight.)

 

Application for residence

There are also benefits of solar energy use in households. In residential households, solar energy is used to heat water by solar heaters. The solar energy is collected and used for heating the water by the photovoltaic cell mounted on the roof of the building. Solar power can also be used for electricity generation. Batteries store daytime electricity and power supply all day long. One of the easiest ways to reduce electricity consumption is to use solar appliances.


Electrochemical cells are of two types: galvanic, also referred to as voltaic, and electrolytic. Spontaneous redox reactions are responsible for galvanic cells, and non-spontaneous reactions are used by electrolytic cells and use an external electron supply, such as a D CD battery or an AC power source.

Galvanic Cells

Traditionally, galvanic cells are used as electric power DC sources. A single galvanic cell may only hold an electrolyte divided by a semi-porous membrane, whereas two separate semi-cells linked by a salt bridge are more complex. The salt bridge includes a potassium sulfate inert electrolyte whose ions are spread through the different semi-cells in the electrodes to offset the construction charges. Oxidation happens at the anode, and cathode decreases, according to the mnemonic "Red Cat An Ox." Since the anode reaction is the source of the current's electrons, the anode is the negative galvanic cell terminal.



The electrodes in an electrolytic cell should be positioned in a single compartment that contains the liquid or aqueous electrolyte in addition to the galvanic cell. Furthermore, the electrodes match the positive and the negative terminal of a battery as the external battery supply moves the electrons in the circuit. As long as the anode is an oxidation site, it becomes the positive terminal and cathodes the negative terminal.

The decomposition of molecules, e.g., water and chloride, into basic compounds are often used by an electrolytic cell. In the manufacture of chlorine or sodium hydroxide, industrial processes take advantage of this. As electrical cells may be used in molten or aqueous electrolytes, the products of the molten electrolyte can vary from products of the aqueous electrolyte, depending on the cation and anion.



Ordinary batteries: regular batteries of alkaline, manganese, and carbon zinc are not known to be dangerous waste and can be disposed of with common waste. Other typical single-use batteries or rechargeable batteries, such as lithium and button batteries, cannot be recycled, but recycling access cannot be provided at all locations.


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