So Many Battery Breakthroughs

So Many Battery Breakthroughs

Just keeping my eyes peeled for new announcements, I have seen close to a hundred announcements of legitimate breakthroughs in improved battery performance.  And there seem to be an even larger set of dubious announcements where it looks like the science needs years to catch up with the claims.  
Today I saw another good one.  It involves a lithium metal battery with graphene and a silicon coating to extend its life.  Lithium-metal batteries are exciting because they charge fast and have a high energy density.  But lifetime has been the big issue with a few dozen cycles the norm.  The new announcement from researchers at Rice University indicates they can triple this lifetime, but it’s still nothing great–for now.
Nobel laureate Dr. John Goodenough at the University of Texas has also been at the forefront of materials breakthroughs for batteries for years.  You can thank him for the rechargeable lithium-ion battery.  (He also invented the technology behind Random Access Memory.)   He has some new ideas that people call the “quantum glass” battery.  It uses a solid electrolyte instead of a liquid.  Those trying to advance it claim it will lead to long life, quick charging, and take prices to $30 per kWh, making batteries a relatively insignificant cost in EVs. 
What I note in all these articles is the tendency for groups to think they alone will reach some amazing goals in battery performance, but on closer inspection they all note the same impressive goals as being within reach.  We wrote about this in a prior blog.
The lessons are (1) if you think you have an amazing battery technology that will have unequalled performance, you are probably underestimating the size of the crowd that is saying the same thing, and (2) if you think batteries won’t improve by an order of magnitude, you are not watching closely enough.  
So watch this space.  We likely will report on more of these advances.
Thomas Hall

ABOUT THE AUTHOR

Gary Simon is the Chair of CleanStarts Board. A seasoned energy executive and entrepreneur with 45 years of experience in business, government, and non-profits.

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Thinking Small and Simple = Thinking Smart

Thinking Small and Simple = Thinking Smart

Over the past decade, rooftop solar has made a big impact on energy generation. Now, in California, energy can be “free” during the day when solar is abundant. That is one of the reasons you have seen CleanStart talk about storage so much. To battle, the BIG problem of Climate Change Utilities and new companies have been advancing storage solutions. One of those companies, Simpl Global, led by Farid Dibachi has developed a battery around the needs of rooftop solar consumers. 

Farid Dibachi is a habitual entrepreneur and has been innovating to make storage simple, hence Simpl Global.  Rooftop solar owners are conscious of their energy cost, and Utilities switching to Time of Use becomes a pain point.  Dibachi saw solar customers getting hit twice with the shift to Time of Use. With their solar systems generating power 3 to 5 hours a day when prices are cheap, they get less for the electricity they generate and pay more for electricity when they are not generating.

From Simpl Global Slides

Residential consumers install solar because it made sense as a capital investment providing a return.  Why batteries were not taking off as solar had is because the cost has typically been greater than the savings.  With that in mind, Dibachi formed Simpl Global with engineers and entrepreneurs to tackle these challenges. They created the SimplBox with innovative technology in Impedance matching, IoT networked controls, and plastics engineered for thermally protecting the energy storage, with a simple design for easy install under a solar panel. 

Their goal was to make a battery that was easy to install and use while being affordable.  They have created SimplBox a safer lithium iron phosphate battery with a unique battery management system. Conventional battery storage systems for home PV require a number of individual devices to manage power flows.  Farid and his team decided to make a battery that paired easily with rooftop solar and relied on clever electronics to replace many of the additional devices.  What they have created is a smart battery that efficiently accepts and delivers power simultaneously.  

Dibachi is particularly proud of the ease of installing and how their advancements in impedance matching have led to a battery management system with high efficiency that can just be plugged in.  The system works like a series of valves efficiently accepting and delivering power simultaneously.  Its efficacy and simplicity allow it to be modular, meaning expanding storage capacity is as easy as plugging-in another SimplBox and using off the shelf inverters for the systems connection to the grid.  This is big, because of its versatility, but it also allows it to be small.

SimplBox System by Simpl Global

This versatility allows for the SimplBox to scale up for use in Utility Solar. It isn’t limited by the capacity of the SimplBox, because you can add more without having to change the battery management or specialized hardware. Being able to “just add more” is an advantage for utilities and solar power companies looking to make incremental changes.  

In residential storage, LG and Tesla have developed storage options greater than 10 kwh. They make them large so they can support a larger solar system and capture the max power possible.  In Sacramento, a solar system can easily fill an LG and Tesla Battery in the summer, but the average daily generation is ~6 kwh.  That low generation with install cost batteries that size is cost-prohibitive to many, especially smaller urban systems. The SimplBox is made smaller and modular, with the idea that more solar customers can take advantage of it. 

All of this addresses the pain points of residential consumers by giving them control and reducing the cost. Simpl Global plans on selling through existing solar installers and distributors this August after they complete their UL Certification in July.

Farid Dibachi spoke at our recent CleanTech Meetup on Simpl Energy.  You can watch it here and read about the meetup here.

Thomas Hall

ABOUT THE AUTHOR

Thomas is the Executive Director of CleanStart. Thomas has a strong background in supporting small businesses, leadership, financial management and is proficient in working with nonprofits. He has a BS in Finance and a BA in Economics from California State University, Chico. Thomas has a passion for sustainability and a commitment to supporting non-profits in the region.

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Todos with Dick Flasck, Founder RAF Electronics

Todos with Dick Flasck, Founder RAF Electronics

Our guest Richard “Dick” Flask is the founder and CEO of RAF Electronics, a 2019 CALSEED awardee pioneering new technologies to dramatically improve directional lighting by using non-imaging optics to produce high technology lighting. Dick will discuss share how they have leveraged the resources in California to grow their business.

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Big Attendance at Waste Conversion Virtual MeetUp

Big Attendance at Waste Conversion Virtual MeetUp

Last night (April 30) we turned our usual monthly MeetUp into a Zoominar.  We didn’t know how that would work out, since one of the most attractive features of these meetings has been socializing and networking, not to mention the food!  Maybe no surprise to you veterans of Zoom, but we had over 110 signups and most of those attended.  

We put this meetup on in collaboration with our sister organization AgStart which has wonderful offices in downtown Woodland and plans to add wet lab space and more offices.  Congratulations to John Selep and Leanna Sweha, and thanks for joining for this MeetUp.

The theme of the event was taking the pulse of the waste conversion companies in our region since we last heard from them.  We had four presentations all of which produced some surprises.  Prof. Farshid Zabihian updated us on the upgrades he has done on their small (20 kW) test bioreactor at Sac State.  This is turning into a great teaching tool for his mechanical engineering students.  They are getting into reaction kinetics, feedstock flow, more monitoring, and more controls.  Pretty impressive what has been done in the past two years.

Michele Wong told us about the continuing plans of Clean World to add anaerobic digesters in the state, based on Prof. Ruihong Zhang’s two-reactor design out of UC Davis.  Right now they are installing and upgrading systems in Southern California for Organic Energy Systems.  The planned input is 200 tons per day—larger than they have attempted before.  The most interesting point was that the unit has a liquid discharge which if untreated was resulting in huge sewerage charges.  The plant in Sacramento was incurring a bill of $60,000 per month.  Now CleanWorld is filtering the discharge and creating a “bio-ammonia” fertilizer product they can sell for a good price.  That is what could markedly improve profitability.  Way to adapt!

Matt Roberts of Springboard Biodiesel talked about their small cooking oil conversion units, which have now been sold not only in the US but overseas.  Their idea is to make the units compatible putting them near sources of used vegetable oil, avoiding the cost of collecting the used oil and bringing it to a central location.  Where is one of their most profitable installations?  Bagram Air Base in Afghanistan.  It is replacing conventional diesel that due to the cost of air shipping it in, or bringing it in armored convoys is hugely expensive.  On a smaller scale, similar cost savings are driving much more customer interest.  Matt said the estimated cost of a gallon of biodiesel from his unit was $1.06 per gallon.  Compare that to the best recent price of diesel of $2.69 I have seen.  They are gaining traction by word of mouth sales and doing pretty well for five guys in Chico.

Meredith Roberts of Sierra Energy told us that while things are relatively quiet now with the lockdown, Sierra achieved a big milestone in getting $33 million in funding in 2019.  The hope was that would allow them to put the pilot unit at Fort Hunter Liggett into some long-term testing to see how the refractory lining held up under the high temps inside, among other things.  Sadly, just as they were getting going on that, the virus struck.  They are doing some testing and a little redesign at this point, but they have a clear path to customers, with thousands of serious buyers on tap, and progress to the design of their 50 ton per day first commercial unit.  

While a virtual conference of dozens is not ideal for getting audience participation, we had a pretty good system of collecting questions in the chat space and relaying those to the presenters.  Thomas also had a couple of surveys done on the fly to get some discussion among participants.  Everything worked well we are sure to do this again while we remain sidelined.  But all of us, including you, will be very glad to get back to doing these in person so we can mingle, eat, and drink like before. 

But if you missed it, you can still watch it below!

Be sure to take a look at applying for our CEO Crash Course held in 8 two-hour sessions throughout June.  It also will be virtual.  We have an all-star line up of instructors and speakers.  It’s free, but requires a refundable $200 deposit to hold your seat.  Apply for your seat by filling out a short application telling us more about your concept and your company.  Learn More and Apply Now!

Continue to join us for our weekly short “To-Do” sessions providing you quick insights on what others are doing and what else is happening in the clean tech community while we are at home.  You can find out the schedule on our website and subscribing to our newsletter.

Thomas Hall

ABOUT THE AUTHOR

Gary Simon is the Chair of CleanStarts Board. A seasoned energy executive and entrepreneur with 45 years of experience in business, government, and non-profits.

CleanStart Sponsors

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Happy 50th Earth Day!

Happy 50th Earth Day!

This week on April 22 is the 50th anniversary of that first Earth Day in 1970.  One of my first blogs here described how that day had a profound effect on my career, changing from medicine to environmental science.  It is also how I ended up at UC Davis. It was one of two schools that actually offered a graduate degree in the area.  The other was Cornell. I was accepted at both. It was an easy choice. UC Davis had a scholarship fund sponsored by the Rockefeller Brothers Foundation and that provided a full ride plus a research assistantship.  Cornell did not. My wife and I packed our bags at Indiana University and started the drive west to go to a school and a town I had never set foot in before. It was a leap of faith.

I remember we arrived in Davis and fell in love with it.  We both had the same reaction, “We’re never leaving this place.”  From that day, I have never been without a home in Davis. I have rented it out several times while working in Texas, Connecticut, and Massachusetts, but always came back.  Here I am still.

It was at Davis that I had another epiphany.  I came there to work on the ecology of lakes and streams.  My undergraduate degree was in microbiology so it seemed a logical extension.  Part of that time as an undergraduate was spent doing research in Yellowstone Park.  My IU professor Tom Brock and one of his graduate students had discovered a strange bacterium called Thermus Aquaticus that grew in boiling water there.  That led to a revolution in DNA analysis, but that’s another story.  If you are curious, read this.

However, in my first year at UC Davis, I took a class from Prof. Ken Watt on emerging environmental issues.  We had to do a term paper. Scientific American had just run an issue focusing on energy as one of the biggest of those issues, so I chose that topic.  Prof. Watt told me if I wanted to focus on energy, I should read an important scientific paper by a chemist working for Royal Dutch Shell by the name of John M. O’Bockris.  It was on the importance of a hydrogen economy and how that might work. But Watt pointed me to one paragraph where O’Bockris wrote that continued burning of fossil fuels was going to increase the concentration of carbon dioxide in the atmosphere.  Because of its greenhouse effect that extra carbon dioxide would raise the average global temperature. Watt simply said, “I think that has tremendous implications and you should think out where that would lead.” Actually, since that day I have never stopped thinking about it.  It hit me like a pie in the face. How soon would it happen? How could you figure that out? What could you do about It? What would it take?

Prof. Watt was in the process of writing a book he titled The Titanic Effect.  Its theme was that there were a number of huge environmental challenges ahead of the world like icebergs in the North Atlantic, but that the first reaction would be denial…until you hit one of them.  After the shock of the surprise, the first response would be to rely on technology to solve the problem and avoid any economic consequences. The next step was overconfidence in that solution until attention waned and the next collision would be a whopper with huge economic impacts.  Prophetic book. Most thought it was too radical. It’s out of print. But I got to help on the chapter on energy and earned a small acknowledgment.  

I can’t say my career has been a straight line from then to now.  It’s actually been a lot more random. But that early warning about global climate change is always something I remember.

How different things are 50 years later, but how predictable.  O’Bockris gave the world the gift of a huge heads-up with enough time to do something about it.  Of course, the reaction to that 1962 article was denial and of course that just made things worse.  Prof. Watt was not so radical after all, just ahead of his time. And now we are in the midst of another “unexpected” collision with an iceberg called COVID-19.  It’s a classic pattern. And now I’m thinking about those classes in virology and epidemiology I took at IU. Full circle.  

I am grateful for all the places fate has taken me, but looking back I am particularly grateful for having grown up in a time when science and education were regarded as important.  Turns out, they were.

Thomas Hall

ABOUT THE AUTHOR

Gary Simon is the Chair of CleanStarts Board. A seasoned energy executive and entrepreneur with 45 years of experience in business, government, and non-profits.

CleanStart Sponsors

Weintraub | Tobin, EY, Stoel Rives 

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College of Engineering & Computer Science at Sacramento State