HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
REGISTER   |   LOGIN   |   HELP
<<  <  Page 2/2
Charles Murray
User Rank
Blogger
Re: Political hot button
Charles Murray   4/11/2012 8:39:58 PM
NO RATINGS
I should add that while I believe that delivery trucks will be the primary market, I'm not as optimistic about 2X range and 50% cost. The ace-in-the-hole, though, is the Envia battery, which is under development in conjunction with General Motors. If the Envia battery is successful, then your numbers will be right on target.

Mark-In-Seattle
User Rank
Iron
Nissan LEAF owner
Mark-In-Seattle   4/13/2012 10:33:09 PM
NO RATINGS
Just currious if any of the commentors currently own a production EV or have a friend with one ?

 

My wife and I own two ICE vehicles (can't yet bare to part with my beloved 1997 XJR) and a wonderful Nissan LEAF all-electric.   It is fun to drive, with a surprisingly enjoyable acceleration curve; constant from any starting rpm and costs us $2.10 in electricity per 100 miles here in the NW.   Since late May 2011 we have logged 7700 miles in the LEAF and 3 tankfuls of gasoline in the Volve S80 (3/4 tank in the XJR).

 

It is already eminently practical for us right now and cost less than the Volvo S80 which we purchased new several years ago.  Nissan is rumored to have the lowest EV battery cost per KwH in the industry, perhaps 1/2 their closest compeditor and the warranty for 80% charge retention is 8 years or 100k miles.  Agreed it is still a bit pricey and not for everyone, especially single car households, but gosh do yourself a favor and test drive one before any detailed critic of EV viability.

 

Thank you.

Bunter
User Rank
Platinum
Battery improvement curve.
Bunter   4/19/2012 10:33:30 AM
NO RATINGS
Just a quick thought here.

I am concerned about the trend I see (largely in the media and political world) to compare battery technology development with emerging "high tech" items.

Batteries have seen a great deal of intense development for what, 200 years?  This is a very mature industry.  Could we get a breakthrough tomorrow? Sure.  Should we continue to seek one? Abosolutely.  Should we base our forward looking game plan on the assumption that this will happen?  Count me as a bit reluctant.

Cheerio,

Dennis

Charles Murray
User Rank
Blogger
Re: Battery improvement curve.
Charles Murray   4/25/2012 6:18:06 PM
NO RATINGS
I agree on all counts, Dennis. The breakthrough will come eventually, but there's no guaratee that throwing money at it today will bring about a breakthrough tomorrow. It requires discovery, which can't be planned. Regarding the long history of battery development, see the link to the article below.

 http://www.designnews.com/author.asp?section_id=1366&doc_id=235241

Charles Murray
User Rank
Blogger
Re: Battery improvement curve.
Charles Murray   5/2/2012 9:27:17 PM
NO RATINGS
Bunter, you're right on the mark. In politics and journalism, people talk about the "Moore's Law for batteries," which DOES NOT exist. Moore's Law describes a manufacturing situation -- the ability to make smaller and smaller feature sizes on a semiconductor chip. Batteries, in contrast, are subject to the laws of material science. True, manufacturing will bring the costs down to some degree, but not in a Moore's Law fashion. And manufacturing will do little or nothing for energy density. To get a sense of the history, take a look at this:

http://www.designnews.com/author.asp?section_id=1366&doc_id=235241

tekochip
User Rank
Platinum
Re: Nissan LEAF owner
tekochip   5/3/2012 7:55:23 AM
NO RATINGS
Thanks Mark, there have been plenty of comments about the customer's experience with EVs, but not from somebody that actually owns one. 

<<  <  Page 2/2


Partner Zone
Latest Analysis
Samsung's fitness-oriented smart watch features a curved super AMOLED touchscreen display.
Stratasys is buying assets of a key player in materials testing and R&D for its FDM filament printers, and there's a new polypropylene material for the PolyJet series of 3D printers.
Cybathlon is an Olympic-style competition for those with bionic prosthetics.
Unlike industrial robots, which suffered a slight overall slump in 2012, service robots continue to be increasingly in demand. The majority are used for defense, such as unmanned aerial vehicles (UAVs); and agriculture, such as milking robots.
Eric Chesak created a sensor that can detect clouds, and it can also measure different sources of radiation.
More:Blogs|News
Design News Webinar Series
3/27/2014 11:00 a.m. California / 2:00 p.m. New York / 7:00 p.m. London
2/27/2014 11:00 a.m. California / 2:00 p.m. New York / 7:00 p.m. London
12/18/2013 Available On Demand
11/20/2013 Available On Demand
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Apr 21 - 25, Creating & Testing Your First RTOS Application Using MQX
SEMESTERS: 1  |  2  |  3  |  4  |  5


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Next Class: April 29 - Day 1
Sponsored by maxon precision motors
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Copyright © 2014 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service