Flexible lithium battery can be integrated into textiles : Page 2 of 2

May 28, 2019 //By Jean-Pierre Joosting
Flexible lithium battery for wearable electronics
Researchers at PolyU in Hong Kong have developed a lightweight flexible lithium battery with an energy density of more than 450 Wh/L and a bending radius of less than 1mm for wearable applications.

Laboratory tests conducted by the ITC team have proven the extremely high mechanical stability, durability and safety of the Textile Lithium Battery under deformation. When the battery is repeatedly folded in half, twisted at different angles or freely crumpled, its voltage window remained unchanged. Bending test showed that the battery can be bent over 1,000 times with marginal capacity degradation. Safety tests conducted by continuous hammering, trimming with scissors and penetrating with nail proved the battery can stably provide power output for the electronic components with no risk of catching fire or burst.

The findings are published in Nature Communications and there is a video of the Textile Lithium Battery video.


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