Thursday, April 23, 2015

Tesla Prospects: Bumpy Road Ahead

Tesla sales in the first 10 months of 2014 were down 16% on a year over year basis compared to 2013.


Everyone  is running around talking about how solar PV has hit grid parity in multiple states and countries.  Interesting parable - solar - in that solar PV has been around a long time and costs have been coming down significantly for many many years. I worked in a solar PV company back in 1979 and 1981, designing and building irrigation and remote power solutions.

Right now, for solar to be cost effective, even after all of this insane cost reduction, it still needs a 55% subsidy to stand on its own two feet here in Massachusetts. The is a federal incentive of 30%, and a state incentive of another 25% or so (based on variable SREC pricing). Even with these subsidies, it is a hard sell. Certainly much easier with $0.80/watt panels.

Point being is that electrochemical batteries have been around a long long time, and cost improvements have come slowly. We all want to see a sea change in the cost/performance of batteries, and let's support and cheer on the innovators pouring their time and resources into bringing about a better future. I get concerned about the mounting hype cycle and the damage that unrealized expectations may bring.

So, why isn't Elon Musk introducing an electric vehicle that can go 200 miles at the $50,000 or $60,000? Price? Some have postulated that the Tesla Model 3 will actually be priced closer to $60,000 when it is introduced. The introduction date has been publicly stipulated to be 2016, then perhaps 2017.

Based on the 2 year delay with the Model X, it is likely that the Model 3 won't be available to purchase until 2019, as a prototype has not yet …

Assume a more efficient, lighter smaller car than the model S, and a 200 mile range as compared to the Model S 285 mile range. Battery capacity may need to be 50 kWh, and the cost will have to be $200/kWh, compared to $352/kWh on the Model S, a 43% reduction in battery cost. Will we see a 43% reduction in battery cost in the next 5 years? Nope. Will it be close? Yup.

Will people want to buy a car with 200 mile range? It is not going to be a a mainstream product with that kind of range. Five years from now, the ICE and hybrid designs are going to continue to be more efficient, and more difficult to compete against. Battery cars 5 years from now are going to be an important part of the transportation system, but with inferior performance, they will occupy a "big niche" in the market, but will not be mainstream. Ultra hybrids, however, will benefit from the lowering of battery costs and ICE improvements, and will occupy an increasing position in the market.

The economic picture of the United States consumer is not going to change a whole lot in the next five years, sadly. Cars are going to continue to be a smaller share of the transportation pie, with many more options being available, from bike friendly cities, expanded Uber/Lyft, Zip cars, bike sharing, expanded transit, moving to cities, etc. Life choices are already changing, as both of my children in their twenties do not have cars, although the once did.

Most people have limited budgets and will not be able to afford the cost and hassle of having a vehicle with a lower utility value. Given the choice between spending less for a car that can go 450 miles, or spending more for a car that can go 200 miles, the choice for many is what can be called a no brainer, no matter how environmentally just an electric vehicle option may be.

Friday, April 10, 2015

WSJ: Google Gets Into Battery Arms Race


Source: http://www.wsj.com/articles/google-gets-into-battery-arms-race-1428694613

Google Gets Into Battery Arms Race

Research team working on projects to improve lithium-ion and solid-state batteries

For a wearable device like Google Glass, improved batteries could help power energy-intensive features like video.ENLARGE
For a wearable device like Google Glass, improved batteries could help power energy-intensive features like video. PHOTO: AGENCE FRANCE-PRESSE/GETTY IMAGES
Google Inc. has joined the search for better batteries to power its expansion into consumer electronics and other hardware.
In late 2012, a team led by former Apple Inc. battery expert Dr. Ramesh Bhardwaj began testing batteries developed by others for use in Google devices. About a year later, the group expanded to look at battery technologies that Google might develop itself, according to people familiar with the matter.
The group, part of the Google X research lab, is small, with just four members. A Google spokeswoman declined to comment or to make Dr. Bhardwaj available.
Google in recent years has moved into industries such as transportation, health care, robotics and communications, designing physical devices that require efficient batteries. Chief ExecutiveLarry Page told analysts in 2013 that battery life for mobile devices is a “huge issue” with “real potential to invent new and better experiences.”
Dr. Bhardwaj has told industry executives that Google has at least 20 battery-dependent projects. The company’s latest self-driving car runs on batteries recharged by electricity. The first version of Google’s Glass Internet-connected eyewear suffered from short battery life, which the company hopes to improve. An effort to use nanoparticles to diagnose diseases relies on a small battery-powered monitoring device.
Scientists at Stanford say they’ve created an aluminum-ion battery that solves many of the problems with lithium-ion and alkaline batteries. Is this a miracle breakthrough? WSJ’s Jason Bellini has #TheShortAnswer.
Google joins many technology companies trying to improve batteries, including Apple,Tesla Motors Inc. andInternational Business Machines Corp. These efforts have so far produced only incremental gains, a contrast for tech companies accustomed to regular, dramatic leaps in the efficiency of semiconductors.“Google wants to control more of their own destiny in various places along the hardware supply chain,” said Lior Susan, head of hardware strategy at venture-capital firm Formation 8. “Their moves into drones, cars and other hardware all require better batteries.”
Emerging battery technologies promise bigger gains. Solid-state, thin-film batteries transmit a current across a solid, rather than liquid, making them smaller and safer. Such batteries can be produced in thin, flexible layers, useful for small mobile devices. But it isn’t clear whether they can be mass produced cheaply, said Venkat Srinivasan, a researcher at Lawrence Berkeley National Lab.
At Google, Dr. Bhardwaj’s group is trying to advance current lithium-ion technology and the cutting-edge solid-state batteries for consumer devices, such as Glass and Google’s glucose-measuring contact lens, according to the people familiar with the matter.
In a February presentation to an industry conference, Dr. Bhardwaj described how solid-state, thin-film batteries could be used in smartphones and other mobile devices that are thinner, bendable, wearable and even implantable in the human body.
For a wearable device like Glass, he said, the batteries could help power energy-intensive features like video. For the contact lens, the technology is safer because it doesn’t use flammable electrolyte liquid, Dr. Bhardwaj’s presentation explained.
Other teams at Google are working with Chicago-based AllCell Technologies LLC on more potent batteries for four hardware projects, including Project Loon, the company’s effort to beam Internet signals from high-altitude balloons, people familiar with the matter said.
A Project Loon video from late 2013 shows Google engineers bundling AllCell batteries into the system’s power pack. Lithium-ion batteries perform poorly in the subfreezing temperatures of the stratosphere, where Loon balloons float. AllCell wraps lithium-ion batteries in a wax and graphite material that quickly absorbs heat and spreads it evenly, extending their life. Google is experimenting with specially formulated materials for better cold-temperature performance, Jim Morash, a Project Loon engineer said in the video.
—Rolfe Winkler contributed to this article.