Hitachi Maxell to Release 'Leak-free' Alkaline Battery -- Tech-On!

techon.nikkeibp.co.jp - 1/15/2009

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Hitachi Maxell Ltd developed a new product to be added to its alkaline battery line "Voltage," which employs the "zero-leakage design" to prevent liquid leak due to over-discharge, etc. The new product (also called "Voltage") will be released April 1, 2009. The company developed a new zinc ...

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CrunchGear: Hitachi Maxell develops no-leak alkaline batteries, gives a warranty

Boing Boing Gadgets: The leakless alkaline battery

coolest-gadgets.com - 1/11/2009

Maxell’s New Products include M&M’s

— coolest-gadgets.com — I remember a time when Maxell made some of the finest VHS tapes on the market. Maxell has obviously needed to make changes in order to stay in business. Maxell is now making many other products including iPod accessories, including three different ... (more) Maxell’s New Products include M&M’s

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crunchgear.com - 1/16/2009

Hitachi Maxell develops no-leak alkaline batteries, gives a warranty

— crunchgear.com — Hitachi Maxell Japan has developed a new kind of alkaline battery that’s supposedly shielded well enough to prevent leakage in the case of misuse. The new batteries will be part of the company’s Voltage brand and go on sale in Japan in ... (more) Hitachi Maxell develops no-leak alkaline batteries, ...

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Hitachi Maxell develops no-leak alkaline batteries, gives a warranty
CrunchGear — ... The company managed to reduce the amount of undischarged zinc (one of the most critical ingredients) by using a new, self-developed zinc alloy, which is called “Microzinc α”. Hitachi Maxell claims one side effect of the new zinc alloy is that it extends the battery life by 5% compared to Voltage products released last year. AA and AAA batteries are being offered. Users will get a warranty that the batteries will not leak in 5 years when properly handled. Via Tech-On

The leakless alkaline battery
Boing Boing Gadgets — ... for 55% of all leakage causes. When a battery is over-discharged, hydrogen gas is rapidly produced inside it, raising the internal pressure. Therefore, to prevent explosion, batteries have a safety valve to discharge hydrogen gas. However, when this valve works, alkaline solution flows out together with the gas. Perfect for leaving in remote controls you never use, forever. Hitachi Maxell to Release 'Leak-free' Alkaline Battery [Maxell Tech on via Crunchgear]