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How big is the battery in a hydrogen fuel cell car?


As the automotive industry evolves, hydrogen fuel cell vehicles (FCVs) are gaining traction as a sustainable alternative to traditional gasoline-powered cars. One of the key components of these vehicles is their battery system, which plays a crucial role in their operation. In this article, we will explore the size and function of the battery in hydrogen fuel cell cars, providing insights into how they work and their significance in the overall vehicle performance.


What is a Hydrogen Fuel Cell Car?


A hydrogen fuel cell car is a type of electric vehicle that uses hydrogen gas to power an electric motor. The fuel cell generates electricity through a chemical reaction between hydrogen and oxygen, with water vapor as the only byproduct. This process is efficient and environmentally friendly, making hydrogen FCVs an attractive option for reducing carbon emissions.


Battery Size in Hydrogen Fuel Cell Cars


The battery in a hydrogen fuel cell car is typically smaller than those found in battery electric vehicles (BEVs). This is because the primary source of power comes from the fuel cell itself, while the battery serves as a supplementary energy storage system. Here are some key points regarding the battery size:



  • Capacity: The battery capacity in hydrogen fuel cell vehicles usually ranges from 1 kWh to 2 kWh. This is significantly less than the 40 kWh to 100 kWh capacities seen in many BEVs.

  • Function: The battery in FCVs is primarily used for energy storage during regenerative braking and to provide additional power during acceleration. This helps to enhance the vehicle's performance and efficiency.

  • Weight Considerations: A smaller battery contributes to a lighter overall vehicle weight, which is beneficial for efficiency and range. Hydrogen fuel cell cars are designed to optimize the balance between the fuel cell and battery systems.


Conclusion


In summary, the battery in a hydrogen fuel cell car is smaller than that of traditional electric vehicles, typically ranging from 1 kWh to 2 kWh. Its primary role is to support the fuel cell system, enhancing performance and efficiency while maintaining a lightweight design. As technology advances, we can expect further developments in both fuel cell and battery technologies, paving the way for a more sustainable automotive future.


Frequently Asked Questions

Why are hydrogen cars not the future?


Why are hydrogen cars not the future? Many drawbacks, such as fewer refueling stations, expensive maintenance, and inefficient fuel cells, can lead you to determine that hydrogen cars will not take over the current market of EVs in the future.



How many MPG does a hydrogen car get?


1) What is the mileage like? First, you need to know that hydrogen fuel isn't measured by gallons – it's measured by kilograms. A full tank for a Mirai is approximately five kilograms, and on a full tank, it gets about 66 MPGe (miles per gallon equivalent) of hydrogen gas. 2) How much does it cost to fill up?



What is the capacity of hydrogen car battery?


The advantages of the hydrogen-powered car
For example, Renault Master Van H2-TECH is equipped with a 33 kWh battery coupled with an onboard hydrogen storage capacity equivalent to 30 kWh. Its range therefore increases from 230 kilometers to 400 kilometers (WLTC* cycle).



Do hydrogen cars have large batteries?


This “buffer” battery is significantly smaller than the battery of an all-electric car – meaning it's also lighter. It's also being constantly recharged by the fuel cell. Like other e-cars (➜ Read also: All about charging e-cars), hydrogen vehicles can also recover or “recuperate” braking energy.



How big is the Toyota Mirai battery?


The electric traction motor delivers 113 kilowatts (152 hp; 154 PS) and 335 N⋅m (247 lbf⋅ft) of torque. The Mirai has a 245V (1.6 kWh) sealed nickel-metal hydride (NiMH) traction rechargeable battery pack, similar to the one used in the Camry hybrid.



How many miles per gallon does a hydrogen car get?


Typically, a fuel cell system is twice as efficient as a gasoline system. Most of the fuel cell vehicles coming to market in the next few years will be able to deliver close to 70 miles per kilogram of fuel. That's the equivalent of 70 miles per gallon.



How long does a hydrogen fuel cell battery last?


approximately 150,000-200,000 miles
For example, many automakers of passenger cars aim for a fuel cell stack lifespan of at least 5,000 hours or approximately 150,000-200,000 miles. In the heavy-duty category, many bus fuel cell stacks (power plant) have reached lifetimes of 20,000 hours and more, with a goal of 30,000 hours by 2030.



Why hydrogen cars are not the future?


Why are hydrogen cars not the future? Many drawbacks, such as fewer refueling stations, expensive maintenance, and inefficient fuel cells, can lead you to determine that hydrogen cars will not take over the current market of EVs in the future.



Does Toyota Mirai run on water?


2024 Toyota Mirai Review
The result is a car that drives like most EVs and emits only water. But it requires hydrogen to operate.



What is the biggest problem with hydrogen cars?


Difficult to transport, difficult to handle, and is not available at home. Poor conversion efficiency (see below chart) within the vehicle leading to energy losses and high fuel costs. Higher lifetime costs of FCEVs, almost exclusively due to the higher fuel cost.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.