Mobility Solutions

Bosch Compact Electrification of the powertrain From entry-level hybrids to range extension to manufacturing in China

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  • September 10, 2013
  • Mobility Solutions
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press release

Electromobility: driving enjoyment and connectivity
Future market: At the moment, electromobility is still an investment in the future. Bosch spends 400 million euros each year in this area. Alongside fuel savings, the focus is on tangible customer benefits including driving enjoyment and added value in everyday life. Bosch is working on extending the range of conventional electric cars to at least 300 kilometers by 2020.

Focus on integrated systems: Where electric drives are concerned, Bosch looks at how individual powertrain components fit into the bigger picture. In particular, concepts are developed that encompass far more than just the battery, since not just larger batteries are essential to extending the range of electric vehicles, but also more intelligent networking. One example of this is intelligent charging management.

Examples of systems solutions: The SMG 180/120 electric motor has been developed to have an efficiency level of over 90 percent in city traffic, which is the most relevant type of traffic for electric cars. Apart from the powertrain, Bosch is linking electric driving with assistance functions. One example of this is the electronic horizon, which starts the energy recovery cycle in good time before the vehicle enters a speed-restricted zone, such as the outskirts of an urban area. By converting kinetic energy into electrical energy, it increases the vehicle's range.

Connectivity: “Electromobility is currently still a niche business, but after 2020 it could very well become a mass market. When that happens, electric vehicles will be connected vehicles, exchanging information with their surroundings.
(Dr. Volkmar Denner, chairman of the board of management of Robert Bosch Gmbh, responsible for research and development)

Complete solutions for all-electric vehicles: Bosch already supplies electric drives as complete system solutions. These comprise an electric motor, power electronics, a lithium-ion battery system, and a regenerative braking system. An example of this can be found in the Fiat 500e, which is the result of an alliance with Fiat and Chrysler.

Pace of development: It took Bosch engineers three years to make electric drives market-ready. Since entering the market in 2010, Bosch has delivered components and systems to customers worldwide, for vehicles ranging from small cars to large sedans and super sports cars.

Alliances: Bosch collaborates with partners around the globe in order to drive electromobility forward worldwide. Examples include UAES in China (electric motors and power electronics), the joint venture EM-motive with Daimler in Germany (electric motors), and a joint venture with GS Yuasa and Mitsubishi in Japan (lithium-ion batteries).

E-mobility worldwide: Bosch has also succeeded in establishing bridgeheads for its e-mobility business in various regions of the world. In addition to lead engineering centers in Europe, there are also branch operations in the U.S. and Japan. Furthermore, Bosch is the only automotive supplier able to offer locally-manufactured versions of its complete portfolio of its electric motors and power electronics in China – on a quality level comparable to the European market.

Hybrids: already on track to becoming a vehicle for the masses
Market developments: By the end of 2014, Bosch will have completed 30 orders relating to powertrain electrification. Bosch forecasts that of a predicted 113 million total vehicles sold worldwide in 2020, 6.5 million will be strong hybrids, 3 million will be plug-in hybrids, and 2.5 million will be all-electric.

Boost recuperation system: This is Bosch's entry-level hybrid system for the mid-size segment. It is simultaneously the basis for the new 48-volt on-board electrics, since it operates at a higher voltage. The advantage of this is that fuel-saving coasting is possible, and regenerative braking can be used particularly efficiently. This results in fuel savings of up to 7 percent.

Strong hybrids: With the strong-hybrid systems currently made by Bosch, drivers can reduce their consumption in the new European driving cycle by 15 to 25 percent. Electric motors for strong-hybrid vehicles cover the range between 20 and 40 kilowatts. Lithium-ion batteries for strong hybrids have a capacity between 0.8 and 1.5 kilowatt hours.

Plug-in hybrids: These can reduce energy costs by up to 90 percent, provided users always remember to charge up at the socket. In the clearly-defined new European driving cycle, the fuel savings are at least 50 percent. In plug-in hybrids, the electric motor has an output of 30 to 80 kilowatts, and the battery stores up to 12 kilowatt hours. The system is particularly suited to mid-sized vehicles, electrified SUVs, and sports cars.

Bonus: The Bosch SMG 180/120 motor can also be mounted on a vehicle's rear axle. This would allow a front-wheel-drive vehicle's front axle to be driven by the combustion engine while the rear axle is driven by the electric motor. Such a setup means that customers also get the added benefit of four-wheel drive functionality in their hybrid. One example of this type of axle-split hybrid is the Peugeot 3008 Hybrid4, the world's first diesel hybrid. It was recently made ready for series production by PSA and Bosch.

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At the 65th International Motor Show in Frankfurt, Bosch is showcasing technical solutions for connected mobility. A variety of innovations are helping to make road traffic cleaner and more efficient, as well as safer and more comfortable. Bosch is exhibiting its highlights at booth A04 in hall 8.

Mobility Solutions is the largest Bosch Group business sector. In 2015, its sales came to 41.7 billion euros, or 59 percent of total group sales. This makes the Bosch Group one of the leading automotive suppliers. The Mobility Solutions business sector combines the group’s expertise in three mobility domains – automation, electrification, and connectivity – and offers its customers integrated mobility solutions. Its main areas of activity are injection technology and powertrain peripherals for internal-combustion engines, diverse solutions for powertrain electrification, vehicle safety systems, driver-assistance and automated functions, technology for user-friendly infotainment as well as vehicle-to-vehicle and vehicle-to-infrastructure communication, repair-shop concepts, and technology and services for the automotive aftermarket. Bosch is synonymous with important automotive innovations, such as electronic engine management, the ESP anti-skid system, and common-rail diesel technology.

The Bosch Group is a leading global supplier of technology and services. It employs roughly 375,000 associates worldwide (as of December 31, 2015). The company generated sales of 70.6 billion euros in 2015. Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiaries and regional companies in some 60 countries. Including sales and service partners, Bosch’s global manufacturing and sales network covers some 150 countries. The basis for the company’s future growth is its innovative strength. Bosch employs 55,800 associates in research and development at 118 locations across the globe. The Bosch Group’s strategic objective is to deliver innovations for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.”

Further information is available online at www.bosch.com and www.bosch-press.com, http://twitter.com/BoschPresse.

PI8262 - September 10, 2013

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