Energy
Vanadium: The Energy Storage Metal
The world is moving to a renewable energy economy.
Solar use is growing at exponential rates, and countries like the U.K., France, and India are planning to ban gas-powered vehicles in the coming years. Even the world’s largest auto market in China is under duress from mounting pollution, and the country has ambitious plans to build up world-class renewable capacity while ditching gas-powered vehicles.
The Energy Storage Question
As the world shifts to renewables, one question remains up in the air: how will we store all this energy?
Today’s infographic comes to us from VanadiumCorp and it highlights vanadium redox flow batteries (VRFBs) – which are a breakthrough that some experts say may be the future of grid-scale energy storage.
Vanadium redox flow batteries (VRFBs) are fairly unique in the battery world.
They work by taking advantage of the natural properties of vanadium, a metal with four different oxidation states. But rather than using the metal in a solid state, vanadium electrolyte (a liquid solution) is used for both half-cells and the configuration is divided by a proton exchange membrane. Typically, massive tanks filled with vanadium electrolyte are connected, pumping the solution through at high volumes to charge or discharge.
The Benefits of VRFBs
This unique setup gives VRFBs a few interesting advantages for something like grid-scale energy storage:
- Extremely scalable
- Can rapidly release large amounts of energy
- Vanadium electrolyte is reusable, recyclable, and has a battery lifespan of 25+ years
- No cross-contamination of metals, since only one metal (vanadium) is used
- Cycle life is theoretically unlimited
- Can maintain ready state for long periods of time
- Can be charged and discharged at same time
- Non-flammable
As a result, VRFBs can be used in a variety of energy storage applications such as peak-shaving, load leveling, microgrids, wind and solar, off-grid power supplies, and uninterruptible power supplies.
Vanadium Outlook
VRFBs are getting more attention from utilities companies, and large battery projects have already been announced.
The most notable vanadium-flow battery is probably a 200 MW system being built on the Dalian peninsula in China, which will serve 7 million residents. Costing $500 million, it’ll be used to peak-shave approximately 8% of Dalian’s expected load by 2020. This battery system will be the world’s largest, and it will single-handedly triple China’s grid-connected battery storage capacity.
According to Chinese firm Azure International, the market projection for VRFB demand (by MW) in the top 10 countries is growing at an 80% CAGR from 2013 to 2020, ultimately culminating in more than 7,000 MW of vanadium-flow capacity needed in 2020.
This demand could be even more substantial than that if the price of vanadium electrolyte could be reduced – it makes up about 30-50% of the cost of each battery alone.
Energy
The World’s Biggest Oil Producers in 2023
Just three countries accounted for 40% of global oil production last year.
The World’s Biggest Oil Producers in 2023
This was originally posted on Elements. Sign up to the free mailing list to get beautiful visualizations on natural resource megatrends in your email.
Despite efforts to decarbonize the global economy, oil still remains one of the world’s most important resources. It’s also produced by a fairly limited group of countries, which can be a source of economic and political leverage.
This graphic illustrates global crude oil production in 2023, measured in million barrels per day, sourced from the U.S. Energy Information Administration (EIA).
Three Countries Account for 40% of Global Oil Production
In 2023, the United States, Russia, and Saudi Arabia collectively contributed 32.7 million barrels per day to global oil production.
Oil Production 2023 | Million barrels per day |
---|---|
🇺🇸 U.S. | 12.9 |
🇷🇺 Russia | 10.1 |
🇸🇦 Saudi Arabia | 9.7 |
🇨🇦 Canada | 4.6 |
🇮🇶 Iraq | 4.3 |
🇨🇳 China | 4.2 |
🇮🇷 Iran | 3.6 |
🇧🇷 Brazil | 3.4 |
🇦🇪 UAE | 3.4 |
🇰🇼 Kuwait | 2.7 |
🌍 Other | 22.8 |
These three nations have consistently dominated oil production since 1971. The leading position, however, has alternated among them over the past five decades.
In contrast, the combined production of the next three largest producers—Canada, Iraq, and China—reached 13.1 million barrels per day in 2023, just surpassing the production of the United States alone.
In the near term, no country is likely to surpass the record production achieved by the U.S. in 2023, as no other producer has ever reached a daily capacity of 13.0 million barrels. Recently, Saudi Arabia’s state-owned Saudi Aramco scrapped plans to increase production capacity to 13.0 million barrels per day by 2027.
In 2024, analysts forecast that the U.S. will maintain its position as the top oil producer. In fact, according to Macquarie Group, U.S. oil production is expected to achieve a record pace of about 14 million barrels per day by the end of the year.
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