Digital Library on Green Mobility

Knowledge Hub

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As the mobility sector is on the brink of a major transition, environmental performance of electric vehicles (EVs) has become a highly debated topic.

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Technologies
Heat Pump System

Inventor/Assignee: Hasan Ayarturk, Utku Karakaya, Husnu Arda Odabasioglu | Current Assignee: Tofas Turk Otomobil Fabrikasi AS

In an electric vehicle, reversible heat pumps can be used to both warm the battery and cool it. When cooling it, the excess heat from the battery can be sent to the cabin heater.

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Technologies
Drivetrain Technology

Inventor/Assignee: Takeo Aizawa, Taiichi Onoyama | Current Assignee: Nissan Motor Co Ltd

Drivetrain is the assembly of all the components that are involved in the transmission of the power from the engine of the vehicle to its wheels.

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Technologies
Self-Heating Batteries

Inventor/Assignee: William E. Diefenderfer, Chao-Yang Wang and team

The self-heating battery uses a thin nickel foil with one end attached to the negative terminal and the other extending outside the cell to create a third terminal.

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Technologies
Portable electric vehicle charging device

Inventor/Assignee: Jose Enrique PARRA ORTIZ, Jose Gerardo MUNIZ ELIZONDO | Current Asignee: Schneider Electric USA Inc

A portable, lightweight electric vehicle charging device includes a set of connector cables adapted to connect to the battery terminals of the first vehicle having an internal combustion engine and includes an EV cable adapted to connect via an EV power connector to a charging port of a second vehicle that is an electric vehicle.

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Technologies
Wireless Charging Technology

Inventor/Assignee: Ravi A. Pandya, Ashish A. Pandya

Wireless inductive charging allows an electric vehicle to automatically charge without the need of cables. For the wireless charging technologies, different EV models can share their charging infrastructure if the same wireless power transfer technology is adopted

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Technologies
Lithium-sulphur Battery

Inventor/Assignee: Zhengcheng Zhang, Wei Weng, Nasim Azimi | Current Assignee: UChicago Argonne LLC

Lithium-sulphur batteries, which are lighter and cheaper than today’s models, may be the next generation of power cells that we use in electric cars or mobile phones – if scientists can get them to last for longer.

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Technologies
Low Rolling Resistance Tyres

Inventor/Assignee: Yuuichiroh Ozaki, Hirofumi Hayashi | Assignee- Toyo Tire Corp

Low rolling resistance is important to ensure that the tyre does not wear out due to the high torque that occurs due to the inertia. Less friction also entails much better efficiency and longer tyre life.

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Technologies
CHAdeMO

Inventor/Assignee: Zech Ingo, Wegener Andreas

CHAdeMO is the trade name of a fast charging method for battery electric vehicles enabling seamless communication between the car and the charger.

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Technologies
Hydrogen Fuel Cell

Inventor/Assignee: Kuldip Chand Tangri

Hydrogen fuel cells use hydrogen as a fuel in an electrochemical process that combines hydrogen and oxygen to produce electrical energy and water.