StorageX International Symposium

An Online Series on Energy Storage

Sponsored by Stanford’s StorageX Initiative

Join Stanford StorageX for an interactive symposium series on the latest advances and breakthrough research in energy storage. (more…)

StorageX International Symposium

A New Online Series on Energy Storage
Sponsored by Stanford’s StorageX Initiative

Join Stanford StorageX for an interactive symposium series on the latest advances and breakthrough research in energy storage. (more…)

On June 17, 2020, Dr. Arumugam Manthiram, winner of the 2020 Henry B. Linford Award for Distinguished Teaching, presented his talk on “Intricacies of High-Energy Cathodes for Lithium-Ion Batteries” via a live webinar presentation.

Dr. Manthiram’s talk covered the fundamental science behind the development of high-energy density cathodes for lithium-ion batteries in the 1980s, the richness and complexity of layered oxide cathodes for lithium-ion batteries, and exposure to a perspective on high-energy, long-life, safe lithium-ion batteries.

View Dr. Manthiram’s webinar presentation, here.

Following the talk, attendees were given the opportunity to ask Dr. Manthiram questions in a Q&A session, available below. (more…)

Electric VehiclesAs sustainable technologies continue to expand into the marketplace, the demand for better batteries rises. Many researchers in the field are looking toward all-solid-state batteries as a promising venture, citing safety and energy density properties. Now, one company is looking to take that work from the lab to the marketplace.

Electric car maker Fisker has recently filed patents for solid state lithium-ion batteries, stating that mass scale production could begin as soon as 2023. The patent covers novel materials and manufacturing processes that the company plans to use to develop automotive-ready batteries.

Unlike other types of rechargeable batteries that use liquid electrodes and electrolytes, solid state batteries utilize both solid electrodes and solid electrolytes. While liquid electrolytes are efficient in conducting ions, there are certain safety hazards attached (i.e. fires if the battery overheats or is short-circuited). In addition to better safety, solid electrodes could also impact battery cost and energy density, opening up new possibilities for large scale storage applications.

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Just a few weeks after France vowed to get gasoline and diesel powered cars off the road by 2040, Australia has joined in on the conversation of transportation transformation. According to a statement, Queensland is looking to kick off an electric vehicle revolution with the implementation of an “electric super highway.”

The highway will incorporate 18 towns and cities in Australia. Officials expect the highway to be completed within the next six months, stretching 1,240 miles along the Queensland’s east coast loaded with 18 fast-charging stations that can charge a car in 30 minutes, allowing electric vehicle drivers to make it from the state’s southern border to the far north.

“EVs can provide not only a reduced fuel cost for Queenslanders, but an environmentally-friendly transport option, particularly when charged from renewable energy,” says Environment Minister and Acting Main Roads Minister Steven Miles. “The Queensland Electric Super Highway has the potential to revolutionize the way we travel around Queensland in the future.”

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By: Amy Myers Jaffe, University of California, Davis and Lewis Fulton, University of California, Davis

Electric VehiclesWhen will cars powered by gas-guzzling internal combustion engines become obsolete? Not as soon as it seems, even with the latest automotive news out of Europe.

First, Volvo announced it would begin to phase out the production of cars that run solely on gasoline or diesel by 2019 by only releasing new models that are electric or plug-in hybrids. Then, France and the U.K. declared they would ban sales of gas and diesel-powered cars by 2040. Underscoring this trend is data from Norway, as electric models amounted to 42 percent of Norwegian new car sales in June.

European demand for oil to propel its passenger vehicles has been falling for years. Many experts expect a sharper decline in the years ahead as the shift toward electric vehicles spreads across the world. And that raises questions about whether surging electric vehicle sales will ultimately cause the global oil market, which has grown on average by 1 to 2 percent a year for decades and now totals 96 million barrels per day, to decline after hitting a ceiling.

Energy experts call this concept “peak oil demand.” We are debating when and if this will occur.

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Electric vehicleAround the world, the transportation sector is evolving. Globally, electric vehicle (EV) sales have more than doubled, showing a 72 percent increase in 2015, followed by 41 percent global increase in EV sales in 2016. Now, France is committing to a greener transportation sector by vowing to end the sale of gasoline and diesel vehicles by 2040, further pledging to become a carbon neutral country by 2050.

Currently, 95.2 percent of new car fleets in France are represented by gasoline and diesel vehicles. According to France’s Ecology Minister Nicolas Hulot, initiatives by automakers such as Volvo to go all electric in the coming years will help France start to phase out gasoline and diesel vehicles.

In order to become carbon neutral by 2050, France will also need to devote energy to ending the use of fossil fuels across the board, which includes ending hydrocarbon licenses in the country and stopping coal production by 2022.

While France’s goals are admirable, organizations such as Greenpeace believe that the measure falls short in terms of concrete measures.

“We are left wanting, on how these objectives will be achieved,” Greenpeace campaigner Cyrille Cormier said in a statement. “The goal to end the sale of gasoline and diesel vehicles by 2040 sends out a strong signal, but we would really like to know what are the first steps achieve this, and how to make this ambition something other than a disappointment.”

Electric VehiclesUsing energy stored in the batteries of electric vehicles to power large buildings not only provides electricity for the building, but also increases the lifespan of the vehicle batteries, new research shows.

Researchers have demonstrated that vehicle-to-grid (V2G) technology can take enough energy from idle electric vehicle (EV) batteries to be pumped into the grid and power buildings—without damaging the batteries.

This new research into the potentials of V2G shows that it could actually improve vehicle battery life by around ten percent over a year.

For two years, Kotub Uddin, a senior research fellow at the University of Warwick’s Warwick Manufacturing Group, and his team analyzed some of the world’s most advanced lithium ion batteries used in commercially available EVs—and created one of the most accurate battery degradation models existing in the public domain—to predict battery capacity and power fade over time, under various aging acceleration factors—including temperature, state of charge, current, and depth of discharge.

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Scientists have found a way to wirelessly transmit electricity to a nearby moving object.

The method may have applications in transportation, medical devices, and more. If electric cars could recharge while driving down a highway, for example, it would virtually eliminate concerns about their range and lower their cost, perhaps making electricity the standard fuel for vehicles.

“In addition to advancing the wireless charging of vehicles and personal devices like cellphones, our new technology may untether robotics in manufacturing, which also are on the move,” says Shanhui Fan, a professor of electrical engineering at Stanford University and senior author of the study.

“We still need to significantly increase the amount of electricity being transferred to charge electric cars, but we may not need to push the distance too much more,” he says.

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BatteryOne of the keys to developing a successful electric vehicle relies on energy storage technology. For an EV to be successful in the marketplace, it must be able to travel longer distances (i.e. over 300 miles on a single charge).

A team of researchers from Georgia Institute of Technology, including ECS fellow Meilin Liu, has recently created a nanofiber that they believe could enable the next generation of rechargeable batteries, and with it, EVs. The recently published research describes the team’s development of double perovskite nanofibers that can be used as highly efficient catalysts in fast oxygen evolution reactions. Improvements in this key process could open new possibilities for metal-air batteries.

“Metal-air batteries, such as those that could power electric vehicles in the future, are able to store a lot of energy in a much smaller space than current batteries,” Liu says. “The problem is that the batteries lack a cost-efficient catalyst to improve their efficiency. This new catalyst will improve that process.”

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