i3 - March/April 2016 - 18

18

MARCH/APRIL 2016

wireless charging coming to the U.S., and 11kW
wireless charging coming to Europe, too, he says.
"The reality is it's the use case" that matters, concludes Pamela Fletcher, executive chief engineer for
electrified vehicles at GM in Warren, MI. "There
are some people who are more worried about the
convenience, there are some who are more worried
about the efficiency and the energy consumption,
and those people have two different needs and
requirements around charging."
When all is worked out technologically,one
contstant will remain: inconstancy. "Charging,"
Fletcher delcares, "will not be one size fits all.

NEW ELECTRIC
VEHICLES AT
CES 2016
"There are
some people
who are more
worried about
the convenience,
there are some
who are more
worried about
the efficiency
and the energy
consumption,
and those
people have two
different needs
and requirements
around
charging."
-Pamela Fletcher, GM

Three electric vehicles were introduced
and stood out at CES 2016:
 
Chevrolet Bolt
Chevy unveiled its all-electric vehicle that
is estimated to offer more than 200 miles
of range with its 240-volt charging system.
 
Volkswagen BUDD-e
At his keynote at CES 2016, VW's Dr. Herbert
Diess unveiled an electric concept car, or
microbus, which can travel up to 500 miles
on a single charge called the BUDD-e.
 
Faraday Future
The Faraday Future concept car blew CES
attendees away. Its projected specifications include four quad core motors with
more than 1,000 horsepower, zero to 60 in
less than three seconds and a top speed
of over 200 miles per hour.

I T I S I N N O VAT I O N

Top: courtesy NovaCharge: courtesy AUDI

November whose stated mission is to "increase
the appeal of EVs by enabling charging network
interoperability in the U.S." Others include BMW,
Nissan, and the largest charging network operators
today-Blink, ChargePoint and EVgo.
BMW is building its own urban metropolitan
charging infrastructure in collaboration with Nissan, Volkswagen and charger network operators,
as well. A partnership with VW and ChargePoint
announced at the Washington Auto Show in
January 2015 was aimed at building 100 charging
stations along the Boston-Washington, D.C. and
Portland, OR through San Diego, CA corridors;
and by the end of last year, 59 of those stations
were in place, says Cliff Fietzek, manager of connected e-mobility at BMW of North America in
Woodcliff Lake, NJ. Separately, BMW teamed with
EVgo to install 100 more DC chargers at stations
in California-with a commitment for an additional 500 by early 2018. And an alliance with Nissan installed 95 fast chargers in Detroit by the end
of last year, out of a committed 120. These incorporate both the CCS (Combined Charging System
with DC and Level 2) technology favored by BMW,
and Chademo, a type of DC fast charging technology favored by the Japanese automaker.
The ChargePoint and EVgo projects cover 80
percent of BMWs EV customer base, and the
Nissan project covers the remaining 20 percent,
Fietzek says. But this won't be sufficient in the
final analysis, he adds. "The next iteration will be
increasing the power level of the chargers," like
Audi and Porsche are planning, he says.
Automakers began working on 300kW DC fast
chargers about six months ago, and the SAE is now
embarking on a revision of the J1772 standard to
boost DC fast charging to 300kW, Fietzek notes.
Porsche recently announced its Mission E Concept car that will lead to a production vehicle in
2020, says Calvin Kim, a spokesman for Porsche
Cars North America in Atlanta, GA. It's expected
to have a 300kW DC fast charging system that will
bring the car to 80 percent charge in 15 minutes.
Wireless charging is on automakers' agendas
also-and they won't necessarily wait for an SAE
standard to emerge before bringing cars to market.
Porsche is developing both a wireless charging system and an 800 volt battery for the car, Kim says.
And BMW is already in "series development" with
a wireless charging system for a next-generation
PHEV, Fietzek says.
When they do come out with their wireless charging offers, most automakers will use a 3.5kW system,
Fietzek predicts. But there's the possibility of 7kW



i3 - March/April 2016

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