the warmer the better...

hot hot

One of the major problem with storing electricity is charge/discharge affecting the life of the batteries.

The lithium iron battery was — according to some record — invented by Sony to power small items. This technology was improved upon for about thirty years and now many items, from smartphones, electric tools to electric cars, the power supply comes from small rolled up lithium film “toy-sized" AA batteries. This is okay for moveable items, though as the bigger the lithium battery pack is, one starts to need a lot of cooling. Eventually, the number of charge and discharge reduce the efficiency and life of the batteries.

On a large scale, such battery system can become inefficient. And be demanding on the manufacturing in regard to the purity of the material used.

Enters the hot metal battery. Having been a metallurgist for a short while, Gus can appreciate this invention. We usually do not promote propriety stuff but this thing is sold as "the battery that will change the world”. I agree. But… But the technology and the concept are simplicity itself, once the obstacles of manufacturing are now overcomed. So the main problem to marketability is probably going to be the people who have invested heavily in the lithium technology and lithium supply...

At this stage you’re not going to power your car or your smartphone with a large battery — the size of a small truck, that runs at about 700 degrees Celsius. But you can store more grid electricity capacity much cheaper than building a pumping station with a zillion pumps back up to the snowy mountains via expensive tunnels/pipes or using toy-sized lithium-ions batteries.

The hot metal battery is marketed by Ambri. The Ambri batteries were born in the GroupSadoway lab at Massachusetts Institute of Technology where professor Donald Sadoway worked with David Bradwell to develop the Liquid Metal Battery technology.

David Bradwell, Ambri co-founder and CTO, played a pivotal role in advancing the Liquid Metal Battery technology while he completed his M. Eng. and Ph.D. degrees and post doctoral fellowship at MIT. Together professor Donald Sadoway and David Bradwell conducted electrochemistry research into dozens of different battery technologies, including the formula that became the Ambri Liquid Metal Battery.

Reliable and safe...

Ambri cells operate with no moving parts in a simple construction that is completely sealed.

After commissioning, the systems do not require heating or air conditioning. They are self-heated and self-regulated. Uniquely, Ambri batteries work best when used daily, unlike lithium-ion batteries that degrade faster with more use.

The batteries are free from the dangers plaguing other batteries, and are tolerant of short circuits, over-charge, and over-discharge. They are not susceptible to combustion (thermal runaway) or ignition from external fire sources. Made with low toxicity substances which are not subject to RoHs restrictions, Ambri cells are safe for transportation and usage worldwide.

And Gus believe that eventually it could be possible that such “hot” battery packs could be used on heavy trucks and machineries.

"In 2010 Donald Sadoway, David Bradwell and Luis Ortiz co-founded the Liquid Metal Battery Corporation with seed money from Bill Gates and the French energy company, Total S.A. The offices were in Cambridge, Massachusetts and so they named the company AMBRI, from the heart of cAMBRIdge. Together they envisioned that the Liquid Metal Battery will be a safe, affordable electrical storage solution that will change the way electric grids are operated worldwide.

Our vision hasn’t changed since we founded Ambri: we want to change the world. With our proprietary battery chemistry, loyal and talented team members, and bold, forward-thinking investors, we are still on track to do just that.”

Schwarzenegger vs the denialists...

Arnold Schwarzenegger says leaders who claim combating climate change hurts the economy are "stupid or liars".

Ahead of the COP26 climate summit, the former governor of California told the BBC that cutting carbon emissions will benefit global economies.

The Terminator actor said reducing meat intake does not have to mean sacrificing something - instead cutting his own has led him to be healthier.

He also took aim at pollution caused by international trade.

In a wide-ranging interview for BBC Radio 4's 39 Ways to Save the Planet series, Mr Schwarzenegger claimed California's continued economic success and prolific job creation proves carbon dioxide reduction and boosting wealth go hand in hand.

"They are liars, they are stupid. Or they don't know how to do it, because we figured how to do it and it's all about having the balls to do it," he argued.

Mr Schwarzenegger became a champion of clean air and renewable energy while governor between 2003 and 2011 - setting targets to reduce exhaust fumes and greenhouse gas emissions.

Since leaving office he has used his fame and influence to promote carbon-cutting policies, notably with the Schwarzenegger Climate Initiative.

Mr Schwarzenegger is also critical of an environmental agenda focused on lifestyle sacrifice.

The former champion bodybuilder says he has reduced his meat intake by around three-quarters in the last few years, but argues he is "gaining" as a result.

"Since eating more vegetables and plant-based foods my heart doctor said my arteries have stopped narrowing," he said.

"So how have I given up something? I gained my health, it gave me an extra two years."

Mr Schwarzenegger also believes technology is delivering solutions and cites his Hummer - a massive military style off-road vehicle - that he switched from diesel to battery power as evidence, given the electric version goes faster with more horsepower.

https://www.bbc.com/news/science-environment-59036814

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By Gus Leonisky at 29 Oct 2021 - 7:52pm
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the future of gridscale...

https://www.youtube.com/watch?v=NiRrvxjrJ1U

On 29 November 2018 Energy Futures Lab and the Dyson School of Design Engineering hosted Professor Donald Sadoway of MIT to discuss the impact the liquid metal battery could have on the future of gridscale energy storage.

Abstract

Massive-scale electricity storage would offer huge benefits to today’s grid, reducing price volatility, improving stability against loss of power, increasing utilization of generation assets by enabling us to design towards average demand instead of peak demand, and deferring the costs of upgrading existing transmission lines. When it comes to tomorrow’s grid, storage is key to widespread integration of renewables, i.e., solar and wind, which due to their inherent intermittency present challenges for contribution to base load.

Comprising two liquid metal electrodes and a molten salt electrolyte, the liquid metal battery offers colossal current capability and long service lifetime at very low cost, i.e., the price point of the electricity market. The round-trip efficiency of these batteries is greater than 80% under daily 4 h discharge (C/4). Fade rates of 0.00009%/cycle have been measured which means retention of of more than 99% of initial capacity after 10 years of daily cycling at full depth of discharge. There is much to be learned from the innovative process that led to the discovery of disruptive battery technology.

Biography

Donald R. Sadoway is the John F. Elliott Professor of Materials Chemistry in the Department of Materials Science and Engineering at the Massachusetts Institute of Technology. His B.A.Sc. in Engineering Science, M.A.Sc. in Chemical Metallurgy, and Ph.D. in Chemical Metallurgy are all from the University of Toronto. He joined the MIT faculty in 1978. The author of over 170 scientific papers and holder of 28 U.S. patents, his research is directed towards the development of rechargeable batteries as well as environmentally sound technologies for metals extraction.

He is the founder of two companies, Ambri and Boston Metal. Online videos of his chemistry lectures hosted by MIT OpenCourseWare extend his impact on engineering education far beyond the lecture hall. Viewed 1,800,000 times, his TED talk is as much about inventing inventors as it is about inventing technology. In 2012 he was named by Time magazine as one of the 100 Most Influential People in the World.

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By Gus Leonisky at 31 Oct 2021 - 4:13pm
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