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What is the Principle of Hydrogen Fuel Cell Vehicles?

1 Answers

HeidiAnn

07/29/25 11:43pm

Hydrogen molecules combine with oxygen molecules through combustion to produce thermal energy and water. Hydrogen fuel cells generate electricity by combining liquid hydrogen with oxygen from the air. Based on this principle, hydrogen fuel cells can generate electricity to power vehicles, provide household or industrial electricity, or serve as mobile phone batteries. Below are relevant details: 1. Origin: In 1990, Musashi Institute of Technology in Japan showcased a hydrogen-powered car using a liquid hydrogen storage tank at the 8th World Hydrogen Energy Conference. Modified from a NISSAN vehicle, it used a 100L liquid hydrogen tank weighing 60kg in total, capable of driving at 100km/h with zero CO2 emissions in exhaust. China has also tested urban energy-saving buses running on a hybrid of hydrogen and gasoline. Other major automakers like General Motors and DaimlerChrysler have invested in slower but more efficient hydrogen fuel cells. 2. Overview: As a truly "zero-emission, pollution-free" means of transportation, hydrogen fuel cell vehicles represent one of the main future directions for new energy clean-powered vehicles. Further R&D and mass production of hydrogen fuel cell vehicles will undoubtedly spark a new revolution in the global automotive industry.

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Is It Necessary to Install a Trunk Partition?

Installing a trunk partition is highly recommended as it can prevent secondary damage caused by items in the trunk flying toward the passenger seats during a traffic accident. Here are the relevant details: 1. Trunk Partition: Most hatchbacks, SUVs, and some MPV models come with a trunk partition as an original factory accessory, with installation points reserved in this area after production. It not only enhances the privacy and security of luggage but also clearly separates the trunk from the cabin. 2. Precautions: Before driving, ensure that miscellaneous items are properly placed and secured in the trunk, using the partition to effectively separate them.

What is the difference between having ABS and not having ABS?

If a car has an ABS system, the wheels will not lock up during emergency braking, reducing the likelihood of safety issues; without an ABS system, the wheels may lock up during emergency braking, which can compromise safety. Here are some key points: 1. The role of ABS: ABS stands for Anti-lock Braking System, which is equipped in most modern cars. It prevents wheel lock-up during emergency braking, thereby enhancing driving safety. 2. How ABS works: During emergency braking, if the wheels lock up, the car may skid uncontrollably, making it impossible for the driver to steer or slow down the vehicle—a highly dangerous situation. The ABS system ensures that the wheels maintain a rolling and sliding state during emergency braking.

What is a Luxury Car?

Luxury cars, also known as D-segment vehicles, are defined by the following characteristics: 1. Vehicle Specifications: Typically, luxury cars have a length of 5 meters or more, with a wheelbase around 3 meters or even longer. The engine displacement is usually above 3.0 liters. 2. Features: Compared to mid-size or large cars, luxury vehicles offer more powerful performance, advanced technology, more spacious interiors, comprehensive configurations, and higher price tags. They represent the pinnacle of automotive engineering. Current luxury car models in the domestic market include the Mercedes-Benz S-Class, BMW 7 Series, Audi A8, Volkswagen Phaeton, Lexus LS, Jaguar XJ L, Bentley, Rolls-Royce, and Maybach.

Where is the production date mark located on the Volkswagen Lavida?

Here are the locations where the production date can be found: 1. In the engine compartment: There is usually an aluminum vehicle nameplate inside the engine compartment, which indicates the car's brand, model, and the specific production date. 2. Around the door seams: There is also a small nameplate around the driver's or passenger's door seams, which clearly states the car's brand, model, and production date. 3. Vehicle identification number (VIN): The tenth digit of the VIN represents the model year. 4. Owner's manual: The car's production date is usually clearly stated in the owner's manual.

What is the origin of the red driver's license?

Red driver's licenses are issued to military academies or within the armed forces. Below are the relevant details: 1. Driver's License: Officially known as the Motor Vehicle Driver's License, also referred to as a 'driving license,' it is a legal document required for operating motor vehicles. Driving a motor vehicle demands specific skills, and individuals lacking such skills may cause traffic accidents if they drive recklessly. Generally, people cannot drive on public roads without a license. 2. Eligible Vehicle Types: Holders of red driver's licenses primarily operate combat vehicles or transport vehicles. Consequently, the technical requirements for these drivers are correspondingly higher.

Is the Vios FS a Smaller Version of the Vios?

The Vios FS is not a smaller version of the Vios. The Vios FS and the Vios are models of the same class, with the Vios FS being the hatchback version while the Vios is a sedan. The Vios FS is equipped with two engines: a 1.3-liter naturally aspirated engine and a 1.5-liter naturally aspirated engine. The front suspension of the Vios FS uses a MacPherson independent suspension, while the rear suspension employs a torsion beam non-independent suspension. The dimensions of the Vios FS are 4140mm in length, 1700mm in width, and 1495mm in height, with a wheelbase of 2550mm. The transmission features a simulated 8-speed CVT continuously variable transmission.

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