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nickel-metal hydride

Next-gen Toyota Prius to offer optional li-ion battery

Wed, 07/16/2014 - 14:06 -- Laura Varriale
Toyota Prius

Toyota’s fourth-generation Prius will give the option between a lithium-ion battery and a nickel-metal hydride unit, Toyota revealed in an interview with Automotive News.

"The batteries will be renewed. Everything will be revised. And I think we will come up with a fuel economy that will surprise everyone,” said Koei Saga, senior managing officer at Toyota.

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G4 launches ‘ultra-high power’ nickel metal hydride battery

Wed, 07/09/2014 - 13:05 -- Editor
G4 nickel metal hybride battery

US developer G4 Synergetics has launched an ‘ultra-high power’ advanced nickel metal hydride (NiMH) secondary battery.

G4’s NiMH design is primarily for power-dependent applications, rather than high energy as most commercial cells are designed. The batteries have a low internal resistance, which enables the batteries to deliver extremely high power.

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Stan Ovshinsky 1922 - 2012

Thu, 01/17/2013 - 17:36 -- Ruth Williams

The inventor of nickel-metal hydride chemistry has died. Stanford Ovshinsky, a self-taught scientist, died of prostate cancer aged 89 on 17 October 2012.

Stanford Ovshinsky

Widely regarded as a genius, if not a savvy businessman, he developed the NiMH battery licensed companies worldwide.

His pioneering work spanned the development digital memory, battery technology, optical media, solar energy and hydrogen storage.

Born in 1922 in Ohio to Lithuanian parents, Ovshinsky was a self-taught scientist; his curiosity of how things work led him to spend much time in libraries. 

One of his earliest papers covered the links between machine and human intelligence, and this resulted in a research job Wayne State University.

Alongside this, he founded a product development company called Energy Conversion Devices in Detroit with his second wife Iris. Here he developed the nickel-metal hydride battery chemistry that he patented in 1998.

His innovation continued throughout his life including solar energy laminates and panels, flat screen liquid crystal displays, rewritable CD and DVDs and nonvolatile phase-change memory.

Ovshinsky is survived by his third wife Rosa, seven children and six grandchildren.

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