battery pack

Is Tesla Motors A Carmaker...Or Really A Grid-Storage Company?

Is Tesla Motors A Carmaker...Or Really A Grid-Storage Company?

Many among the Detroit auto media were skeptical of Tesla Motors for years, correctly noting just how hard it is to start a car company and build a genuinely appealing product--electric car or not. But as Tesla continues to sell Model S electric luxury sedans, expanding into Europe and China as... read more

April 7, 2014 by  -
Better Place battery-swap demonstration

Standardized Electric-Car Battery Swapping Won't Happen: Here's Why

Standardized batteries are one of the great consumer goods: Who hasn't bought a pack of AA or AAA cells for some consumer-electronics device by now? The idea that... read more March 18, 2014 by 

Slide showing candidate states for Tesla Motors gigafactory, from Feb 2014 presentation

Where Should Tesla Put Its Battery Gigafactory? Reader Poll

When electric-car maker Tesla Motors released more information about its planned "gigafactory" to produce lithium-ion battery cells in the U.S., it revealed the four states... read more February 27, 2014 by 

Slide showing Tesla Motors gigafactory statistics, from Feb 2014 presentation

Tesla's Lithium-Ion Battery Gigafactory: What You Need To Know

This afternoon, Tesla Motors released details on its proposed "Gigafactory" to build lithium-ion cells for its future electric cars. To provide enough cell capacity to build... read more February 26, 2014 by 

Tesla Motors - Model S lithium-ion battery pack

Why A Gigafactory? Tesla Used 1/3 Of All Electric-Car Batteries Last Year

The 210,000 plug-in electric vehicles sold around the world last year used a lot of lithium-ion batteries. But if startup automaker Tesla Motors has its way, it will soon... read more February 26, 2014 by 

Mitsubishi i-MiEV electric car at quick charging station

Three Lithium-Ion Giants Join To Build Better Electric-Car Battery

Three large global companies--Bosch, GS Yuasa, and Mitsubishi--have announced a joint venture to improve development of the next generation of batteries for electric... read more February 18, 2014 by 

2013 Tesla Model S electric sport sedan [photo by owner David Noland]

Life With Tesla Model S: Battery Upgrade From 60 kWh To 85 kWh

A recent 1,200-mile East Coast road trip in my 2013 Tesla Model S electric car proved to be something of a turning point in my view of the car. Fitted with the smaller... read more December 20, 2013 by 

2012 Nissan Leaf winter test

Nissan Leaf, Chevy Volt Range Loss In Winter: New Data From Canada

Just in time for the holiday-feast season, we now have published charts that detail the effect of cold weather on the battery range of Nissan Leaf and Chevy Volt electric... read more December 17, 2013 by 

Envia Battery Technology

Envia's High-Energy Battery Cell Mired In Dispute, GM Cancels Deal

Researchers and development firms regularly reveal battery-technology breakthroughs. Now, Envia Systems--one company that gained much public attention by promising such a... read more December 5, 2013 by 

2013 Nissan Leaf

Nissan Leaf Likely To Get 'Hot Weather' Battery In Next Year

Nissan is readying a new lithium-ion chemistry for its Leaf electric car, aimed at better range performance in hot-weather climates. And it's likely bound for all Leaf models... read more November 26, 2013 by 

'Revenge of the Electric Car' premiere: Tesla Motors CEO Elon Musk on red carpet

Tesla's Elon Musk Expects NHTSA To Clear Model S In Fires

It's been a bumpy few months for electric car maker, Tesla Motors [NSDQ:TSLA]. While enjoying the highs of high customer satisfaction and continued praise for the Model S... read more November 26, 2013 by 

Third Tesla Model S catches fire after hitting road debris. Photo via Twitter user @NASHVILLAIN_

Tesla Fires: NHTSA Will Probe, Warranty To Cover Fire Damage, Ride-Height Tweak

It's been quite a month for Tesla Motors and its CEO, Elon Musk. In the wake of three fires in Model S electric luxury sedans, a tsunami of media coverage about those fires... read more November 19, 2013 by 

Tesla Model S battery pack, from U.S. patent 8286743 for Vehicle Battery Pack Ballistic Shield

How Tesla May Beef Up Its Model S Battery Protection System

Unless your name is Brinks, you rarely hear the words "armor" and "car" mentioned in the same sentence. But two recent widely-publicized fires in the Tesla Model S electric... read more November 13, 2013 by 

A123 Systems Prismatic Cell

What's Next For Chinese-Owned Battery Maker A123?

When battery maker A123 Systems went bankrupt, it seemed to be just one in a long line of failed energy startups--albeit one with some high-profile customers. Stalled battery... read more November 12, 2013 by 

Tesla Model S

Tesla Earnings Call: Lithium-Ion Cell 'Giga-Plant' Needed For Future Production

Tesla held its third-quarter earnings call yesterday evening, and CEO Elon Musk stayed pretty much on message. He reiterated that Tesla Motors [NSDQ:TSLA] continues to... read more November 6, 2013 by 

2013 Ford Focus Electric

Ford To Partner With University Of Michigan On Electric-Car Battery Lab

To launch its Chevrolet Volt range-extended electric car, General Motors chose to build and expand its very own battery lab. Crosstown rival Ford is taking a different route... read more October 14, 2013 by 


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