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Lithium ion battery from Standford University powered a car for 480km after charging

Recently,A pure lithium ion battery was created by researchers at Stanford University to drive the electric car  for 480 kilometers after a charging, it is a leap in lithium battery technology history.

What is pure lithium batteries?

In a report of “Nature Nanotechnology” magazine, we can find the answer.

Most lithium battery in market today should be called “electrolyte type lithium batteries,” it exists with electrolyte status (ie, lithium ion). Three major components are included in this battery: the electrolyte to provide electron, respectively, it accepts the discharge in the anode and cathode.

According to Professor of Materials Science and Engineering, Stanford University Yi Cui, all materials can be used in the anode, the lithium is undoubtedly the most promising, some people call it the “Holy Grail” because lithium has inherent advantages – lightweight, small size, high efficiency.

Yi Cui – Professor of Materials Science and Engineering, Stanford University, Research Team Leader
However, scientists have spent years to finally put the “Holy Grail” into reality. Stanford team solved this very difficult scientific problems, achieved to place lithium in anode.

“Holy Grail” – a luxurious experience.

In a recent technological breakthrough in the Stanford,the research team told us they used nanotechnology to produce pure lithium batteries.

Former US Energy Secretary Steven Chu is also a member of the research team.

“If we can increase the power density to three times higher while reducing the cost to a quarter, it will be exciting .” Said Chu, “We will have mobile phones with three times endurance, as well as pure electrical cars of 300 miles mileage after  a single charge,and the price is only $ 25,000 – Most important is the experience is much better . ”

“Holy Grail” of technological breakthroughs

Common anode material, usually are made of silicon and graphite, reacts in the charging process when they “eat” electrons, and the reaction of lithium is usually more severe, it will eat more electron.

In addition, the anode and the electrolyte releases large amounts of heat when in contact, a strong chemical reaction between the lithium anode and the electrolyte consumes electrolyte, this will reduces the battery life.

To improve lithium ion battery performance and overcome these three barriers, Stanford researchers have designed and built a honeycomb of microscopic isolation layer – called “nano-ball” – so you can create a flexible membrane insensitive to avoid unstable lithium participate reaction.


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