Panasonic plans home-use storage cell

Dec 23, 2009 The Yomiuri Shimbun

Panasonic Corp., which recently made a successful takeover bid for Sanyo Electric Co., plans to market a lithium-ion storage cell for home use around fiscal 2011.

"We'll be the first to bring to the market a storage battery for home use, which can store sufficient electricity for about one week of use," said Fumio Otsubo, president of Panasonic, in a recent interview with The Yomiuri Shimbun.

On Monday, Panasonic announced it has officially acquired a more than 50 percent stake in Sanyo.

It has become Japan's second-largest electronics giant, next to Hitachi, Ltd., with anticipated combined sales of 8.66 trillion yen for the business year ending in March.

Stressing that Panasonic and Sanyo have already test-manufactured a storage battery for home use, Otsubo said, "We're positioned closest [among firms] to realizing CO2 emission-free daily life."

By making Sanyo its subsidiary, Panasonic plans to accelerate the development of the storage battery, while planning to sell it together with a system that will enable households to check electricity usage on a home-based TV display.

Solar batteries for home use and fuel cells can generate power but cannot store electricity, making the development of a storage battery an urgent task for related businesses.

"As we now have such power-generating products as solar power and fuel cells, there'll be an opportunity to create a bigger business...In the area of automobile cells, we can deal with all kinds of eco-friendly cars such as hybrid cars or electric vehicles," Otsubo said, emphasizing the synergistic effect of tying-up with Sanyo.

Otsubo said his company will announce its basic ideas with regards to reorganizing the two firms' growth strategies and overlapping product lines--such as large household appliances--on Jan. 8, while presenting specific ways to deal with the overlapping lines of business when the company announces its settlement of accounts in May.

Conceding that product brands of Panasonic and Sanyo need to be unified at some well-timed point in the future, Otsubo said many things need to be considered, adding that the company's new midterm plan would be worked out while keeping Sanyo's brands in place.

With the rise of the yen and accelerating deflationary pressure, the corporate environment remains harsh.

"We'll come up with products sought by middle-income people in such emerging countries as China and India, which haven't been hit by deflationary pressure... We hope to introduce Sanyo products to Panasonic's sales channels," he said.


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User comments : 11

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Shootist
5 / 5 (2) Dec 23, 2009
Too bad they didn't announce a fuel cell stack designed for the home.

Give me a 7.5kw PEM fuel cell, that doesn't cost a 100 000 euros and that runs off methane or natural gas and I'll show you a free and prosperous society.
earls
2 / 5 (1) Dec 23, 2009
I'll be buying one of these and some solar panels.
DaveMart
not rated yet Dec 23, 2009
Matsushita, Panasonic's parent company, are already building home fuel cells:
http://www.msnbc....3451723/
djr
not rated yet Dec 23, 2009
So often these articles seem like teaser articles, but contain no details to answer the important questions. GE is now selling home backup power generators for as little as $3,000. (can be purchased thru Home Depot.) How would the cost of these batteries compare to such a system? How long could you run your home on these batteries? What is the expected life of the batteries?
david_42
not rated yet Dec 23, 2009
One of the options Tesla is exploring for recycling old battery packs is exactly this application. They would replace a pack in a car when it is down to 80% in terms of the maximum charge, about 150,000 km. Since this is only 350-400 charge cycles, the packs would be usable for many years. 80% of a 53KwHr pack would be 5-7 days for my home.
tomberarducci
5 / 5 (1) Dec 23, 2009
This is a great step in the right direction. Efficient and economical energy storage for the home is the missing link in self-sufficiency. By using solar PV panels, an inverter, and a home storage system that can hold approx 60KWhrs worth of energy, one could exist mostly off the grid, only using the local power company to supplement when necessary.

Fantastic.
earls
4 / 5 (1) Dec 23, 2009
"can store sufficient electricity for about one week of use"

The challenge is not the generation of electricity, it is the storage.

"Solar batteries for home use and fuel cells can generate power but cannot store electricity"

Fuel cells / "generators" create electricity, not store it. Storage for these systems is usually in the form of a combustible liquid/gas. Not an attractive solution.

tom has it rite.
Hunnter
1 / 5 (1) Dec 24, 2009
Booom... i don't trust it enough to ever consider such a thing for high energy storage.
When those cells go wrong, they REALLY go wrong...
Mr_Frontier
not rated yet Dec 26, 2009
Yeah, "those cells", the ones you know so much about. How do those cells go boom again? Try again, sir.
solarnetwork
not rated yet Dec 26, 2009
Lithium Iron Phosphate is much safer than what you're referring to. Anyway this is one of many coming up - we are building a software framework to measure and manage locally generated and locally stored electricity, on a worldwide basis. check out the open source project here: http://www.solarnetwork.net/ and you can jump from imagining the applications for this battery to actually working on it today.
Newbeak
not rated yet Dec 28, 2009
If these batteries are reasonably priced,it might be worth looking into leased solar as well.At the very least,maybe these batteries could be set up like a whole house UPS,and you wouldn't have to worry about extended power outages.See the following website for solar leasing info: http://www.solarc...ase.aspx

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