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FUEL CELL ELECTRIC VEHICLE

The Innovative Clean Mobility Technology

Would you believe it if cars could produce energy, and use the exact energy
produced to help save the environment – all at once? The Fuel Cell Electric
Vehicle (FCEV) provides just that. The vehicle uses hydrogen as a source of
energy to generate electricity from its fuel cell system, allowing the vehicle
to become emission-free. Not only does the vehicle emit pure water (H2O) in the
process of generating electricity, but it also filters ultrafine dust from the
atmosphere when driven. This key characteristic of the FCEV has drawn a great
amount of attention from the public as the future eco-friendly mobility.
Considering the fact that hydrogen is the most abundant element on Earth and
that the energy production process itself is highly eco-friendly, Hyundai Motor
Group believes that this technology has the potential to significantly impact
our lifestyle in terms of sustainability.


FUTUREFCEV VISION 2030


ESTABLISHING GLOBAL STANDARDS OF CLEAN MOBILITY

In a hydrogen society, FCEVs are more than just eco-friendly vehicles. Hydrogen
fuel cells mounted on FCEVs require stable performance, robust durability, and
strong power. Hence, providing an opportunity for automakers to test new
technologies. It also plays an important role in promoting the growth of related
industries such as energy, steel, chemical, and new materials needed for
infrastructure, considering that the hydrogen required for FCEVs is stored
infinitely and the production process is eco-friendly.

Hyundai Motor Group has been developing related technologies through
mass-producing FCEVs for the first time in the world in 2013 and constantly
unveiling a number of FCEV concepts. The Group continuously developed and
supplied hydrogen buses through collaboration with the central and local
governments. Also, Hyundai Motor Group mass-produced large-sized hydrogen trucks
for the first time in the world, exporting them to Europe. In the future,
Hyundai Motor Group plans to utilize hydrogen fuel cells in Urban Air Mobility
(UAM), large vessels, and railways. We are actively creating
hydrogen charging infrastructures to expand the FCEV market.




TECHNOLOGYCORE TECHNOLOGY OF FCEV


BASIC PRINCIPLES OF FCEV

FCEV is powered by electricity generated from the electrochemical reactions
between hydrogen dispensed into FCEV hydrogen tanks, and oxygen. Because FCEV is
powered by electricity generated from the electrochemical reactions between
hydrogen and oxygen, the only byproduct is pure, distilled water. 




KEY TECH1. FUEL CELL SYSTEM
: THE HEART OF AN FCEV

Fuel cell system that generates the electricity needed to drive is also called a
‘tertiary battery’. Fuel cells convert thermal energy into electrical energy,
using the chemical reaction between oxygen and hydrogen. This electrical energy
generated is the result of a pure chemical reaction, which, unlike fossil fuels,
does not produce emissions such as carbon dioxide. There are various types of
fuel cell systems such as PEMFC, SOFC, and MCFC, depending on operating
temperature or main purpose. The system comprises a fuel cell stack, fuel
processing system, air processing system, and thermal management system.



1. FUEL CELL STACK

A fuel cell stack of an FCEV is one of the most essential – and the most
expensive – compartments because FCEVs need to generate their own electricity
using a fuel cell stack system that uses a chemical reaction between stored
hydrogen and atmospheric oxygen. Fuel cell stacks consist of hundreds of cells,
and each cell consists of an electrolyte membrane, separator and catalyst, a
fuel electrode and an air electrode.

2. FUEL PROCESSING SYSTEM

To generate efficient electrical energy for fuel cell stacks, a certain device
is necessary. The fuel processing system is responsible for transferring
hydrogen safely stored in the hydrogen tank from high pressure to low pressure
and moving it to the fuel cell stack. It also improves the efficiency of the
hydrogen supply through the recirculation line.

3. AIR PROCESSING SYSTEM

The oxygen necessary to react with hydrogen is drawn from the atmosphere. Such
air drawn into the FCEV passes through an air purification system that cleans it
of particulates and other unwanted matter, leaving the air cleaner. This is
necessary for keeping the fuel cell stack from pollutants. 

4. THERMAL MANAGEMENT SYSTEM

Fuel cell systems require a thermal management system to manage the temperature
of the fuel cell stack. This is to prevent the electrolyte membrane within the
fuel cell stack from being exposed to high heat, as that would curb optimal
performance and lifespan.

The Global Technical Regulation (GTR) is regularly revised to ensure FCEV safety
internationally. Every market with FCEVs either has or is developing localized
safety regulations and laws based on international standards. They generally
include specifications to ensure electrical safety and hydrogen safety. Hyundai
Motor Group is in full observance of standards and regulations through very
robust testing and evaluation. The fuel cell system in the NEXO, for example,
comes with a 10-year 160,000km durability guarantee, but Hyundai Motor Group set
engineering standards far exceeding that guarantee.


2. HYDROGEN TANK
: THE SAFE, DURABLE ENERGY STORAGE SYSTEM

The storage system for high-pressure hydrogen is also very important. Hydrogen
is low in density per volume, so it takes a lot of space to store it. Hydrogen
gas is pressurized at about 700bar of pressure and stored in a tank. The safety
and reliability of hydrogen fuel tanks concerning their high-pressure storage
have been thoroughly engineered and tested, achieving a sufficient level of
safety. Hyundai Motor Group’s hydrogen tank is made of carbon fiber reinforced
plastics, and the inner surface of the hydrogen fuel tank is made of a thin
polyamide liner (nylon) that minimizes hydrogen permeation. The NEXO houses
three total hydrogen fuel tanks for maximizing cargo space, which is the first
in the world.




3. MOTOR
: FROM ELECTRICAL ENERGY TO KINETIC ENERGY

A motor converts electricity from the fuel cell stacks and battery to kinetic
energy; and an energy-saving idea is applied when the car is reducing its speed,
culminating in the so-called ‘regenerative braking system.’ Then the system
stores the electrical energy back in the high-voltage battery, which improves
the fuel economy.


PRODUCTHYUNDAI FCEV – NEXO

Unveiled in 2018, the Hyundai FCEV NEXO houses advanced technology developed by
Hyundai Motor Group and boasts the best performance among the other current
FCEVs available.



EVEN SMARTER DRIVING PERFORMANCE

NEXO boasts an outstanding 611km range(certified in the U.S.) and 5-minute
refueling capability(6.33 kilograms of hydrogen per time). In addition, Hyundai
Motor Group has advanced technology features such as Advanced Driver Assist
System (ADAS), Remote Smart Parking Assist (RSPA), and Lane Follow Assist (LFA).

THE ULTIMATE COLLISION SAFETY

NEXO houses a three-layer hydrogen fuel tank made of high-strength carbon fiber,
and is controlled by various safety devices. NEXO won the first maximum
five-star overall rating as an FCEV from Euro NCAP, the European car safety
performance assessment program.


THE WORLD’S FIRST MASS-PRODUCED COMMERCIAL FCEV – XCIENT FUEL CELL



Hyundai Motor Group has expanded its Fuel Cell Electric Vehicle (FCEV) line to
include commercial vehicles; the company has unveiled XCIENT Fuel Cell, the
world’s first mass-produced heavy-duty fuel cell truck line. Since its
manufacture in 2020 and export to Switzerland, it is playing a vital role in
European commercial FCEVs. But Hyundai Motor Group’s efforts do not end with
mere production here; it has also been involved in the development of the
nascent FCEV infrastructure in Europe, cooperating with Switzerland’s many
hydrogen solution firms, power plants, charging stations, and retail logistics
chains.


HISTORYTHE HISTORY OF FCEV DEVELOPMENT

2020Establishing FCEV ecosystem in EuropeExports 10 Xcient Fuel Cell trucks to
Switzerland
2025Plans to supply large-sized 1,600 FCEV trucks
2030Aims to manufacture 500,000 units of FCEV annually
1998FCEV development initiatedEstablishment of Fuel Cell development unit
2000Development of Hyundai Motor Company’s first Fuel Cell vehicleDevelopment of
the Fuel Cell vehicle based on Santa Fe
2004Development of Fuel Cell Stack
2005Localization of fuel cell systemsDevelopment of in-house Fuel Cell system
and new FCEV with a range of 384km per charge
2010Commenced development of mass production FCEV modelCommercialization with
modularization of core components and use of common parts
2013World’s first mass-produced FCEVLaunch of mass-produced TUCSON ix Fuel Cell
2018World Premiere of next-gen FCEV at CES 2018Unveiled the next-generation FCEV
NEXO
2019Hyundai Motor Group announces FCEV Vision 2030Hyundai Motor Group’s
long-term roadmap aims to establish an annual production capacity of 500,000
FCEVs by 2030
2020World’s first mass-produced commercial fuel cell truck
2020Establishing FCEV ecosystem in EuropeExports 10 Xcient Fuel Cell trucks to
Switzerland
2025Plans to supply large-sized 1,600 FCEV trucks
2030Aims to manufacture 500,000 units of FCEV annually
1998FCEV development initiatedEstablishment of Fuel Cell development unit
2000Development of Hyundai Motor Company’s first Fuel Cell vehicleDevelopment of
the Fuel Cell vehicle based on Santa Fe
2004Development of Fuel Cell Stack
2005Localization of fuel cell systemsDevelopment of in-house Fuel Cell system
and new FCEV with a range of 384km per charge
2010Commenced development of mass production FCEV modelCommercialization with
modularization of core components and use of common parts
2013World’s first mass-produced FCEVLaunch of mass-produced TUCSON ix Fuel Cell
2018World Premiere of next-gen FCEV at CES 2018Unveiled the next-generation FCEV
NEXO
2019Hyundai Motor Group announces FCEV Vision 2030Hyundai Motor Group’s
long-term roadmap aims to establish an annual production capacity of 500,000
FCEVs by 2030
2020World’s first mass-produced commercial fuel cell truck
2020Establishing FCEV ecosystem in EuropeExports 10 Xcient Fuel Cell trucks to
Switzerland
2025Plans to supply large-sized 1,600 FCEV trucks
2030Aims to manufacture 500,000 units of FCEV annually
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