“Smart” lithium-ion battery would warn users if it is going to ignite

There have been numerous cases of lithium-ion batteries catching fire in everything from mobile phones and laptops to cars and airplanes. While the odds of this occurring are low, the fact that hundreds of millions of lithium-ion batteries are produced and sold every year means the risk is still very real. Researchers at Stanford University have now developed a “smart” lithium-ion battery that would provide users with a warning if it is overheating and likely to burst into flames.

“Smart” lithium-ion battery would warn users if it is going to ignite

Lithium-ion batteries consist of a carbon anode and lithium metal-oxide cathode that are separated by an ultrathin polymer. This separator is porous to allow the lithium ions to move between the electrodes that are contained within a flammable electrolyte solution through which the lithium ions flow.

But if particles of metal or dust find their way into the separator at the manufacturing stage, or if the battery is charged too fast when the battery is too cold, lithium ions can build up on the anode and form fibers known as dendrites. If these dendrites penetrate the separator and come into contact with the cathode, the battery can short circuit, igniting the flammable electrolyte solution.


For more detail: “Smart” lithium-ion battery would warn users if it is going to ignite

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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