A fuel cell is an electrochemical device that converts chemical energy directly into electrical energy. It does this by using a fuel, typically hydrogen, and oxygen from the air. Fuel cells are highly efficient and produce low emissions, making them a promising energy source for various applications, including transportation and power generation.

How does a fuel cell work

Fuel cells operate on the principle of electrochemical reactions. Inside the cell, hydrogen gas is fed to the anode, while oxygen is supplied to the cathode. The anode and cathode are separated by an electrolyte that allows ions to pass through, but blocks electrons. The hydrogen molecules split, releasing electrons, which travel through an external circuit, creating an electric current. At the cathode, the electrons, hydrogen ions, and oxygen combine to form water and heat as byproducts. This reaction provides electricity with minimal environmental impact.

Types of fuel cells

• Proton Exchange Membrane Fuel Cells (PEMFC): Used in vehicles, these cells are compact and efficient.
• Solid Oxide Fuel Cells (SOFC): These are used for large-scale electricity generation and industrial applications.
• Alkaline Fuel Cells (AFC): Common in space exploration, AFCs work well with pure hydrogen and oxygen.
• Phosphoric Acid Fuel Cells (PAFC): Known for their durability, these are used in stationary applications like commercial buildings.
• Molten Carbonate Fuel Cells (MCFC): Used for larger power generation, MCFCs operate at high temperatures and are efficient in industrial applications.
• Direct Methanol Fuel Cells (DMFC): These cells use methanol as a fuel and are used in portable applications like laptops and mobile phones.

Pros and cons of fuel cells

Fuel cells offer clean, efficient power but face challenges related to cost, infrastructure, and durability.

Fuel cell applications

• Transportation: Fuel cells power hydrogen-powered vehicles like buses and cars.
• Portable power: Used in small devices like laptops, phones, and military equipment.
• Stationary power generation: Fuel cells are used for backup power in buildings or to provide electricity in remote locations.
• Space exploration: Fuel cells have been used in spacecraft, such as the Apollo missions, due to their reliability and efficiency.

Comparison with traditional batteries

While both provide electrical power, fuel cells are better for long-term, sustainable energy use, whereas traditional batteries are more suited for short-term applications.

Environmental impact of fuel cells

Fuel cells have a minimal environmental impact compared to traditional combustion-based power generation. Since they only produce water and heat as byproducts, their use reduces air pollution and greenhouse gas emissions. Additionally, when powered by hydrogen from renewable sources, fuel cells can significantly lower environmental footprints.

Future of fuel cell technology

The future of fuel cell technology looks promising. Advances in hydrogen production, fuel cell efficiency, and infrastructure are likely to make fuel cells more affordable and widely adopted. They have the potential to revolutionize sectors such as transportation, energy storage, and remote power generation, contributing to a greener, more sustainable future.

Importance of electricity payment online

Paying electricity bills online has made managing household finances easier and more efficient. Platforms like Bajaj Pay allow users to pay bills securely from their mobile devices or computers, saving time and avoiding late payment fees.

Steps to pay your electricity bill online on the Bajaj Finserv website

Paying the electricity bill through the Bajaj Finserv website is simple. Here are the steps:

1. Visit the Bajaj Finserv website

2. Navigate to the ‘PAYMENTS’ section and click on ‘PAY NOW’ under the ‘ELECTRICITY BILL’ option

3. Select your service provider from the list of power suppliers

4. Enter your ‘CUSTOMER ID’ and click on ‘FETCH YOUR BILL’

5. Verify the bill amount and click on ‘PAY NOW’

6. Pay using the multiple payment methods available such as Bajaj Pay UPI, debit card, credit card, net banking, and Bajaj Pay Wallet.

Post the transaction you will be receiving a confirmation to intimate about successful payment.

Fee and charges

A convenience fee of up to 2% will be charged depending on the transaction amount and payment mode (inclusive of applicable taxes). For more information on fees and charges, click here.

State-wise electricity payment