Battery Life

Scientists found that charging disrupts the structure of lithium-ion cathode material, degrading performance.

Battery life is the subject of lingering doubt for many electric vehicle owners, but doom and gloom degradation projections don't always come true. Not for the Tesla Roadster at any rate, which is confounding Tesla's own battery life expectations for the car. According to data recorded by Plug In...

it might not have been the number people were hoping for, but at 75 miles, an extra two miles of EPA range for the 2013 Nissan Leaf still represents an improvement. Even more so considering the EPA's electric car testing procedure for 2013 averages results from 100 percent and 80 percent charges...

Nissan is becoming the first manufacturer to offer limited warranty on battery capacity loss, when it implements a new warranty in Spring 2013. Announced via the MyNissanLeaf.com forums, Nissan executive vice president, Andy Palmer, has confirmed that Nissan is to offer an updated New Electric...

Ever since a handful of Nissan Leaf owners in Arizona noticed that their cars had started to suffer from premature battery aging, Nissan has been criticized for its apparent lack of transparency on the subject. Just over a week ago, Nissan announced it had asked electric car advocate Chelsea Sexton...

Yesterday, a local news station in Phoenix, Arizona, confirmed that Nissan has agreed to buy back wilting Leaf electric cars from their owners under the state’s Lemon Law. The news comes less than a week after Mark Perry, Nissan North America’s product planning and advanced technology...

For the past few months, Nissan has been investigating cases of premature battery aging and lost range in its Leaf electric car, particularly in hot climates like Arizona. Amidst continuing pressure from Leaf owners, however, and with the results of an independent Leaf range test proving that some...

Have Nissan Leafs in hot states suffered premature battery aging, or is the apparent loss in capacity down to a malfunction in the Leaf’s dashboard display? That’s been the question on the lips of Nissan Leaf owners worldwide after some owners in Phoenix, Arizona, began reporting that...

When it launched back in 2010, the Nissan Leaf electric hatchback was criticized for its high sticker price, due in part to its expensive battery pack. Now Nissan CEO Carlos Ghosn has confirmed what had been widely rumored: Future models of the Nissan Leaf electric car will get an improved, cheaper...

Because the gasoline car has been in continual production and development for over 100 years, automakers can use past experience to estimate how long cars -- and their engines -- will last. But because the development of the modern electric car is still in its infancy, automakers are still...

Over the past few months, we’ve been covering the woes of 2011 Nissan Leaf owners in hotter states who have already reported a noticeable loss in battery capacity since their cars were new. The woes of these early-adopting Leaf owners has certainly prompted many to ask if electric car battery...

When a Nissan dealer services an all-electric Nissan Leaf, the garage’s diagnostic computer produces a Battery Information Sheet that can give the owner a an at-a-glance assessment of how healthy the battery is in his or her Leaf. But with several dozen Leaf owners, mainly in warmer states...

Last week, Nissan gave an official response to the handful of Arizona drivers of its 2011 Leaf electric car that had experienced the first signs of battery capacity loss. A week on, with more reports from owners claiming a lost battery capacity bar and in two instances, two capacity bars, Nissan...

Just under a month ago, we reported a few cases in which owners of 2011 Nissan Leafs had noticed the first of twelve lights on their car’s battery capacity gauge had switched off, indicating a marked deterioration in battery capacity after just one year. Now Nissan has released an official...