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heat

Temperature ‘heals lithium dendrites’— study

Tue, 04/24/2018 - 10:01 -- Xuan Zhong
Temperature ‘heals lithium dendrites’— study

Researchers in the US say they have developed a new technique using heat to “enable lithium-metal self-healing” to eliminate the dendrite build-up in battery anodes.

The team at New York’s Rensselaer Polytechnic Institute claim to have discovered a way to use internal battery heat “to diffuse the dendrites into a smooth layer”.

 

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Hot stuff from W-Scope

Thu, 07/19/2012 - 18:02 -- Ruth Williams

Tokyo-based W-Scope Corporation has developed a separator for lithium-ion batteries that can withstand higher temperatures without damage, increasing safety by reducing the risk of battery fires.

The new separator material can withstand temperatures of 200°C for one minute without damage. In comparison, other separators can only withstand temperatures up to around 160°C, according to W-Scope.

The company has begun shipping samples and plans to begin mass production of the new separator in the second half of the year, offering versions in thicknesses ranging from 0.03 mm to less than 0.01 mm.

W-Scope predicts around 10 firms will begin using its new separators during 2013, and that by 2015 these value-added products will account for roughly 30% of its overall separator shipments.

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