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Start stop folder-uk
1. the driving force behind
start-stop.
innovative start-stop batteries from varta.
www.varta-startstop.com
2. A new era in
Battery technology.
vehicle Parc development
Conventional Batteries
Start-Stop Batteries 70 %
There are already around 2.8 million ve-
hicles equipped with Start-Stop TECHNOL-
OGY on our roads, a number expected to
rise to 30 million by 2015. This means that
by 2015, 70% of new vehicles will feature
Start-Stop technology.
2006 2010 2012 2015
Everyone’s talking about protecting This makes the issue of hybrid
our climate and reducing CO2 emis- technology more relevant than The car industry uses the term
sions – topics that present the car ever before. Car manufactures use “micro hybrid”, amongst others, to
industry with enormous challeng- the term “hybrid” to emphasise the describe Start-Stop technology.
es. From 2012, new EU regulations eco-friendly characteristics of their
will not only reduce maximum lev- vehicles. There are various types
So it makes perfect sense to be
els of vehicle CO2 emissions across of hybrid technology such as micro
prepared for the future today –
Europe to 130 g/km, but will also hybrid (Start-Stop), mild hybrid and
with VARTA Start-Stop and
increase the demands on vehicle full hybrid. Of these, Start-Stop is
Start-Stop Plus batteries from
batteries. That’s because meeting set to become the most important.
Johnson Controls.
this target is going to take more Start-Stop vehicles are forecast
than just improved engine man- to represent 70 % of all vehicles
agement – innovative battery tech- produced in Europe by 2015.
nologies are absolutely key.
130 g
CO2 per km
2
3. Start-Stop Technology
HELPS the environment.
Geared for the future with Johnson Controls.
As market leader, Johnson Controls leading companies in this field for through the supply of VARTA
is significantly involved in the a number of years, including a products. In this way, Johnson
development of a whole host of joint venture with Saft. Johnson Controls helps its clients to save
future technologies, from AGM Controls-Saft is a leading global energy, reduce pollution and fuel
through to lithium-ion technology – supplier of advanced hybrid battery consumption, and recycle more.
with the sole aim of providing car systems: providing the lithium-ion
manufacturers with advanced battery systems for vehicles such
batteries that help reduce CO2 as the Mercedes S-Class HYBRID
emissions and fuel consumption, and the BMW ActiveHybrid 7. The
and protect the environment as company Johnson Controls also
much as possible. Johnson Controls provides the aftermarket with the
has been working closely with latest technological developments
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4. Car manufacturers’ Future
Technologies at a glance.
Internal Start-Stop Mild AND Full
Combustion Engine Hybrid VehicleS
Conventional vehicles without With Start-Stop vehicles, the engine Alongside Start-Stop technology, an
Start-Stop features. is switched off during short stops – electric motor can be used that assists
for instance at traffic lights – in the internal combustion engine, for
order to save fuel and to reduce example on acceleration. Full hybrid is
CO2 emissions by 5 – 10%. used in particular in luxury vehicles and
SUVs as well as in markets without
diesel technology in order to save fuel.
Technology focus: Technology focus: Technology focus:
Includes biofuels, natural gas Responding to CO2 reduction Significant reduction in both fuel
and diesel technologies targets set by EU consumption and CO2 -emissions
Market shift to smaller vehicles Allows engine to be shut off Mild hybrid engine is always
and more efficient engines instead of idling while the vehicle running, the battery is there to
Weight reduction and improved is stopped support the powertrain (engine)
aerodynamics Nearly all vehicle manufacturers and devices during stop phases
launching Start-Stop platforms Full hybrid combustion and
in Europe electric engines can operate
independently
Battery requirements: Battery requirements:
Primary battery function is Battery is required to start Battery requirements:
engine starting engine more frequently and Battery becomes part of power-
Battery technology: provide energy for device train supporting the engine
Predominately traditional support whilst in “stop” mode Battery technology:
lead-acid technology Battery is integrated within a so- nickel-metal hydride or
phisticated energy and battery lithium-ion
management system
Battery technology:
Absorbent Glass Mat (AGM) and
Enhanced Flooded Battery (EFB)
Johnson Controls are the leading original- Johnson Controls are the leading original- Johnson Controls-Saft
equipment supplier in this sector. equipment supplier in this sector. are the first manufacturer
of lithium-ion batteries
to the automotive
manufacturers and
supply batteries for the
Mercedes Benz S-class
hybrid and BMW
ActiveHybrid 7.
4
5. Plug-in Electric
Vehicle
A plug-in hybrid electric vehicle is
a hybrid vehicle with recharge-
able batteries that can be restored
to full charge by connecting a
plug to the electric grid – e.g. home
recharging.
Technology focus:
Has an electric motor and
maybe an internal combustion
engine
Requires a battery with more
energy and power
Battery can be charged through
standard outlet
Battery requirements:
Battery is primary (or only)
power source for vehicle
Battery technology:
lithium-ion
Johnson Controls-Saft
is a global leader in
advanced battery
technology for
hybrid, plug-in
and electric
vehicles.
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6. Start-Stop.
The basic principles.
When the driver stops the vehicle and The battery is then the sole source
takes it out of gear, for example, at a of power to all the car’s electrical
red light or in slow traffic, the system devices, such as air conditioning,
switches the engine off. This reduces the radio and the satellite navigation
fuel consumption and CO2 emissions. system.
Start START Stopping and Engine off Driving on
Battery starts the vehicle. Whenever the vehicle comes to a When the driver presses down on
stop at red lights or in a traffic jam, the clutch pedal ready to pull away,
for example, and is put into neutral, the engine automatically restarts.
the system switches off the engine,
reducing fuel consumption and CO2
emissions to zero.
Battery requirements: Battery requirements:
The battery supplies the car’s Battery must have sufficient
electrical devices such as air energy to restart the engine.
conditioning, the radio and the
satellite navigation system on its
own. The engine only runs when
it’s absolutely necessary. Battery
needs to be in a sufficient state of
charge to enable “engine off”.
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7. Varta start-stop.
THE RIGHT POWER FOR ENTRY- THE BENEFITS OF VARTA
LEVEL START-STOP FUNCTION. START-STOP AT A GLANCE:
VARTA Start-Stop batteries with Optimised EFB (Enhanced Twice the cycle life of standard
EFB technology are perfect for Flooded Battery) Technology lead-acid starter batteries
vehicles with a standard, entry- with “polyester scrim” Spill-proof to 55°
level Start-Stop function. When Latest OE technology for Good starting performance
the engine is switched off, they standard entry-level Start-Stop Longer lifespan
provide the vehicle’s electrical vehicles Totally maintenance-free
devices system with a reliable Improved charge acceptance for
power supply and ensure that the recovering energy more quickly
engine restarts in a fraction of a during driving phase
second. Furthermore, they boast
twice as much cyclic stability as
conventional batteries and can be
more discharged without any loss
of functionality.
THE CONSTRUCTION OF VARTA START-STOP BATTERIES WITH EFB TECHNOLOGY.
EFB stands for “Enhanced Use of special polyfleece “scrim” This reduces the loss of active
Flooded Battery” holds additional active material material
Specially developed for standard in the plate Current vehicle models to feature
entry-level Start-Stop vehicles Enhanced cycle performance the technology include the Fiat
EFB batteries come with an versus conventional flooded 500 Start-Stop version, the
additional polyfleece “scrim” and batteries Toyota Yaris Start-Stop version
thicker plates than conventional Scrim material applies a uniform and the Ford ECOnetic
wet-cell batteries low contact pressure on the
active mass
Positive set of plates
Positive grid
Plate block
Negative set of plates
Negative plate
Negative grid
Positive plate inside a pocket separator
Positive plate with polyester scrim material
8. THE battery. The heart of every
The battery is the heart of the
Start-Stop system, with vehicle
manufacturers using a choice of two
advanced battery technologies: 4.
Energy
VARTA Start-Stop Plus with AGM Management
for cars with brake energy recupe- System
ration and other additional innova- (EMS)
tive fuel-saving technologies
3.
VARTA Start-Stop with EFB
Enhanced
technology designed for entry-
Starter
level Start-Stop vehicles
Motor
2.
Alternator
1.
Battery 7.
Intelligent
Battery
sensor
9. y start-stop system.
1. BATTERY:
Special VARTA Start-Stop Plus
with AGM Technology
2. ALTERNATOR:
High-efficency generator which
converts the brake recuperation
energy back into the battery
3. ENHANCED STARTER MOTOR:
Enhanced Starter Motor for
significantly more engine starts
4. energy MANAGEMENT
SYSTEM (EMS):
Manages all the energy systems
5. and controls all the energy and
Consumers vehicle systems
5. CONSUMERS:
The CO2 -reducing and fuel-saving
technologies are entirely dependent
on the battery’s ability to provide
continuous energy to the vehicle’s
electrical comsumers while the en-
gine and/or generator is switched off.
6. WHEEL SENSOR:
Measures the speed of the car and
informs the energy management
system when it is OK to turn off
the engine. Here, the battery must
provide critical safety power to
6. the vehicle steering and braking
Wheel systems while the engine is off
sensor and until the vehicle comes to a
complete stop.
7. INTELLIGENt BATTERY SENSOR:
Determines the state of charge, the
health of the battery and sends this
information to the EMS
10. Varta start-stop PLUS.
THE RIGHT POWER FOR ADVANCED THE BENEFITS OF VARTA
START-STOP FUNCTIONS. START-STOP PLUS AT A GLANCE:
VARTA Start-Stop Plus batteries are Innovative AGM Technology High charging acceptance for
the perfect solution for vehicles (Absorbent Glass Mat) with high- absorbing large surges of
featuring advanced Start-Stop tech- compression fleece separator electrical energy generated via
nology with regenerative braking Latest OE technology for brake energy recuperation
and additional fuel-saving technol- advanced Start-Stop vehicles 100% leak-proof and spill-proof
ogies. Only the specially developed Has at least three to four times to 360°
VARTA Start-Stop Plus batteries with more cycle life and can meet Excellent starting power, so you
AGM technology can meet the chal- the demands of all Start-Stop can rely on the engine starting –
lenges imposed by these systems. vehicles and high-end luxury even at a low state of charge
Compared to VARTA Start-Stop bat- vehicles Longer lifespan
teries, VARTA Start-Stop Plus bat- Totally maintenance-free
teries offer even greater performance
and versatility, and are capable of
reliably supplying power to an even
greater range of devices.
THE CONSTRUCTION OF VARTA START-STOP PLUS BATTERIES WITH AGM TECHNOLOGY.
AGM stands for Absorbent This significantly reduces loss The perfect solution for vehicles
Glass Mat of active mass to an absolute with Start-Stop technology,
AGM technology, with its Absorbent minimum brake energy recuperation and
Glass Mat, is the most advanced This technology does not suffer further fuel-savings technologies,
development of lead technology from acid stratification – the main e.g. BMW EfficientDynamics,
The electrolyte is held permanently failure mode in these applications VW BlueMotion
in the glass fleece separator and Highest performance, extreme
exerts a uniformly high contact cycle life and spill-proof
pressure on the active mass
Plug with pressure safety valves
and lid with single point venting
Thicker, more robust
case and lid
Positive plate set
Positive plate
Plate block
Negative plate set
Negative plate
Negative grid
Positive grid
Positive plate with fleece separator
11. Start-Stop Plus.
For Vehicles with Start-Stop Technology
with regenerative Braking and
Additional Fuel-Saving technologies.
Whenever Start-Stop technology is demands are placed on the battery. systems all run smoothly and en-
used in conjunction with additional Situations like these call for VARTA sures maximum reduction in fuel
systems such as regenerative braking, Start-Stop Plus with AGM Technol- consumption and CO2 emissions.
an advanced energy management ogy. This plays a significant role in
system, or passive boost, increased making sure the various Start-Stop
90
60 120
Driving & Accelerating Braking Stop and Engine off
30 150
START
An advanced energy management Regenerative braking allows the The vehicle comes to a stop and
system decouples the alternator vehicle’s kinetic energy partially to the Start-Stop System switches
during acceleration and under be converted into electrical ener- off the engine.
normal driving conditions. This means gy, which is then fed back into the
more of the engine’s power is battery.
available to the wheels. The alter-
nator is only recoupled again when
the battery’s state of charge falls
below a predefined threshold.
Battery requirement: Battery requirement: Battery requirement:
Battery is being discharged and The battery needs to be recharged Even when discharged, the battery
charged and must supply all quickly and have sufficient capa- must still supply the starter motor
electronic devices on its own. city for the additional energy. The generator with sufficient starting
battery must be capable of functio- power to start the engine again.
ning at a lower state of charge.
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12. Comparison of the
Different Battery Systems.
Energy Flow Energy Flow Energy Flow
Start-Stop Plus Battery Start-Stop Battery Conventional Battery
Primary Function High number of engine High number of engine Engine Starting
starts starts
Extended “engine off” Limited “engine off”
period period
Start-Stop Engine Start-Stop Engine Start-Stop None
technologies Plus brake energy
recuperation
Plus passive boost
Advanced Energy
Management System
cycling ability Extreme/+350% Enhanced/200% Standard/100%
Co2 savings High*/approx. 5 – 10% Moderate* approx. 2 – 5% none
fuel savings High*/approx. 5 – 10% Moderate* approx. 2 – 5% none
battery AGM EFB Traditional lead-acid
technology (Absorbent Glass Mat) (Enhanced Flooded Battery) battery
*Based on the vehicle’s Start-Stop System
EXPERT ADVICE FROM VARTA:
Vehicles with Start-Stop technology with environmental consequences, lose between 7 and 16 % of their
require specific Start-Stop batter- but also reduces the service life of available capacity after just one
ies. The wrong battery not only the battery itself. Tests have shown week of being used in an automatic
impairs the Start-Stop function that conventional flooded batteries Start-Stop vehicle.
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13. Top Performance –
Whatever the Application.
VARTA Start-Stop Plus batteries are designed to meet vehicle is stationary, VARTA Start-Stop Plus batteries
the highest energy requirements, i.e. in vehicles such deliver constant power, maximum energy supply and
as taxis and ambulances. For short journeys, journeys optimum starting performance.
with frequent stops or high consumption whilst the
THE ADVANTAGES AT A GLANCE: PERFECT FOR:
OE specifications for high per- Police/emergency vehicles
formance and luxury vehicles Taxis
Specially designed for extreme High-end luxury cars
power demands High-performance cars
Extra long service life Executive class vehicles
Totally maintenance-free with high equipment levels
Spill and leak-proof Start-Stop vehicles
Hybrid vehicles (12 V)
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14. VARTA. The driving Force
behind Start-Stop.
Whatever the future of Start-Stop vehicles brings, you’ll reason. That’s because they know that only VARTA
be able to rely on VARTA. 80 % of car manufacturers possesses the knowledge and technological expertise
already place their trust in VARTA, and with good to prepare their cars for the future of motoring.
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15. Supplier of 80 % of all
batteries fitted to new
start-stop vehicles.
In close partnership with leading vehicle manufacturers support Start-Stop systems. That’s why at VARTA,
like Audi, BMW, Ford, Mercedes-Benz, Volvo and VW, we have years of experience of working with leading
VARTA has developed innovative battery solutions to manufacturers.
OE CONTRACTS AT A GLANCE
AUDI e
BMW EfficientDynamics
FORD ECOnetic
GM ecoFLEX
HYUNDAI Blue Drive
KIA EcoDynamics
Land Rover E
Mercedes-Benz BlueEfficiency
MINI minimalism
SEAT Ecomotive
SMART micro hybrid drive
Volvo drive
VW BlueMotion
VARTA. The driving force behind Start-Stop.
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