Japan auto, power giants target global electric car standard

Mar 15, 2010
File photo shows a worker dusting a Japanese auto giant Toyota Motor's hybrid Prius at the company's showroom in Tokyo. Four Japanese auto giants and the country's largest power company joined forces to set up a common system to recharge electric cars, with the aim of creating a global standard.

Four Japanese auto giants and the country's largest power company joined forces Monday to set up a common system to recharge electric cars, with the aim of creating a global standard.

The growth of the electric vehicle sector has been hampered by the chicken-or-egg question of what should come first: zero-emission cars or the networks of recharging stations to keep them on the road.

Toyota, Nissan, and Fuji Heavy Industries have linked up with Tokyo Electric Power Company (TEPCO) as the organising members of the new grouping called "CHAdeMO".

The name is derived from a combination of the words "Charge" and "Move" and a pun on a popular Japanese phrase.

In total 158 companies and government bodies are members, including 20 foreign firms, among them Bosch, Peugeot SA and Enel SpA.

Standardizing charging infrastructure is vital to making electric vehicles popular, TEPCO chairman Tsunehisa Katsumata said.

"We need to make this protocol a standard protocol outside of Japan," he told a gathering in a Tokyo hotel.

cars are gaining traction globally as concern has grown over pollution from the exhaust pipes of conventional petrol cars and its impact on the environment.

Mitsubishi Motors last year rolled out the i-MiEV and Fuji Heavy the Subaru Plug-in Stella, both in Japan. Nissan is set to launch the world's first mass market electric vehicle, the Leaf, later this year.

Toyota, which has focused on hybrids, has promised to launch its own version by 2012. It has already begun leasing a plug-in since late last year, one year earlier than initially planned.

still face key hurdles such as costly batteries and the lack of conveniently-located recharging points, which limits their operating radius.

Standardisation would require all makers to agree on the kind of outlet and the voltage, which currently differ among firms.

"It's like establishing a common operation manual or a code that allows the charging machine to work across a broad range of ," said Takafumi Anegawa, electric vehicle manager at TEPCO.

The Japanese government is throwing its support behind the move, and has earmarked 12.4 billion yen (13.7 million dollars) in the budget for fiscal 2010 starting in April to develop a recharging grid.

Some officials pointed at hurdles in creating a global standard.

"It will be a big and difficult challenge for the entire world to reach the same method" in charging EVs, Toyota managing officer Koei Saga said. "In the end, we may just need to adhere to the methods in each country."

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not rated yet Mar 15, 2010
standards for this area still make no sense, this isn't like a standard for html or an internet protocol. it also isn't a simple standard such as a weight.

this also isn't like a cell phone (which still has no standard but should) because cell phones at this point are all more or less comparable in battery life (or they ought to be)

car batteries technology has a long long way to go. along with the difference in batteries and capacitor , there must also be a difference in charging. it's too early to adopt a standard.
not rated yet Mar 15, 2010
I think that in the end it should be everybody's desire to have a common standard developed to charging hardware before there are lots of vehicles out there with lots of different plugs and voltages. At least they should standardize the plugs and make the charger to be able to read from the car what voltage it will want to be used. Just use some more communication pins in that connector and you can use those to tell what voltage and current the charger should provide. It does not matter if the charger is a bit more costly, if it that way gains the ability to be universal.
not rated yet Mar 16, 2010
if anything should be standardized, it's an open source copy left preventing companies that recieve ridiculous amounts of government financing through various direct (subsidies) and indirect (highway financing) means from propertizing and patenting (privatizing) their source code upon which they run the electronics that runs their charging and power protocols. they are privatizing the part of their subsisidized technology which is most easy to share , and which really would help enlighten the public sphere of electric vehicle entrepreneurs.

the standard should be for all car manufacturers to publicize and make open source the code that they use in their vehicles. this is the biggest no brainer for any 'standards' in the electric car industry.

the same should apply to 'smart grid' technology.

but alas, neither of these standards can ever be enforced without government force. and alas, government has no balls. but they are always happy to give out free money and create a bubble
1 / 5 (3) Mar 16, 2010
What they should do is let manufacturers decide on their own standards at first because this is a huge change on a global scale that needs to eventually work flawlessly.

THEN, 3-4 years from now after real life experience over that period all manufacturers must come together, along with the proven 3-4 years of real life usage to see what standard works best.

Then the manufacturers can discuss the benefits and negatives of their standard and decide upon which standard will be used based on the results.

Then Standardization will make sense.

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