Most battery-powered devices, from smartphones and tablets toelectric vehicles and energy storage systems, rely on lithium-ion battery technology. Because lithium-ion batteries are able to store a significant amount of energy in such a small package, charge quickly and last long, they became the bat Contact online >>
Most battery-powered devices, from smartphones and tablets toelectric vehicles and energy storage systems, rely on lithium-ion battery technology. Because lithium-ion batteries are able to store a significant amount of energy in such a small package, charge quickly and last long, they became the battery of choice for new devices.
Many of these new battery technologies aren''t necessarily reinventing the wheel when it comes to powering devices or storing energy. Theywork much like lithium-ion batteries do, just with different materials.
While lithium-ion batteries have come a long way in the past few years, especially when it comes to extending the life of a smartphone on full charge or how far an electric car can travel on a single charge, they''re not without their problems. The biggest concerns — and major motivation for researchers and startups to focus onnew battery technologies — are related to safety, specifically fire risk, and thesustainability of the materials used in the production of lithium-ion batteries, namely cobalt, nickel and magnesium.
Following its announcement that it would test solid-state batteries, BMW received its first batch in November of 2023 from Solid Power and has continued to work on prototypes. However, the company won''t be able to produce solid-state battery-powered cars until after 2030. Meanwhile, Toyota could launch solid-state battery-powered cars as soon as 2026. Solid-state batteries are already being used in pacemakers and some smartwatches, and devices like smartphones and tablets could soon follow.
Compared to lithium-ion batteries, solid-state batteries are more efficient, packing more power with the same size battery. As a result, EV batteries could become more compact, charge faster and weigh less, which could increase range. Solid-state batteries are believed to last longer — with up toseven times more recharges during their lifetime, according to CAR Magazine. They''re also believed to be safer, because the solidelectrolyte material is fireproof, unlike lithium-ion batteries, which are known to pose afire risk.
Currently, the one drawback to solid-state batteries is howdifficult it is to scale a technology in its early stage for widespread use, given testing and limited production capabilities. In addition, it takes time to engineer and verify the performance of solid-state batteries, contributing to delayed release dates for some companies.
Companies like Conamix, an electric vehicle battery manufacturer, are working to make lithium-sulfur batteries a reality, aiming to have them commercially available by 2028, according to the clean energy news site, CleanTechnica. There''s even hope lithium-sulfur batteries could beused to power aircraft and trains, along with energy storage, according to Electrek.
Lithium-sulfur batteries are believed to be more efficient than lithium-ion batteries, which could increase the range and storage capacity of electric vehicles. Additionally, sulfur is affordable and abundant, which could mean lower costs. And since the manufacturing process for these batteries is like the one used for lithium-ion batteries, the same facilities could also be used for production. Advancements in lithium-sulfur batteries have also resulted in ultra-fast charging and made them useful for raising the storage capacity of renewable energy technologies.
One of the major drawbacks of this new battery technology is corrosion, thoughnew designs are in the works to curb it. Another disadvantage is that these batteries don''t last as long as lithium-ion batteries.
These batteries could be used in any device powered by a lithium-ion battery, but much of the focus is on developing cobalt-free batteries for electric vehicles. Currently being used by Tesla insome electric vehicle models, cobalt-free lithium-ion batteries could soon become a staple of Lamborghini''s models since the company has patented MIT''s new battery technology.
The main advantage of cobalt-free batteries is that they don''t contain cobalt. Cobalt is incredibly expensive, and the mining of it is associated with human rights abuses. The United States Department of Energy is hoping toend the use of cobalt in lithium batteries by 2030.
But alternatives to cobalt come with their own flaws as well. The process for mining and extracting cobalt can be toxic and dangerous, and another cobalt alternative known as TAQ is still new and requires more testing. For these reasons, companies may continue to rely on cobalt until they can establish other options.
These batteries are believed to be suitable for energy storage. As research on sodium-ion batteries progresses, the batteries could even go on to fuel faster charging in EVs, mobile devices and space technology.
Despite low energy density — sodium-ion batteries are only able to store approximatelytwo-thirds the amount of energy a lithium-ion battery of the same size can hold — it''s much more affordable and very safe thanks to low risk of fire. It also performs better at lower temperatures than lithium-ion batteries.
According to Popular Mechanics,iron-air batteries work by oxidizing iron — using air to turn iron into rust — to produce energy. During the battery''s charging process, the cells are transformed back to iron through reverse oxidation.
Iron-air batteries are great for energy storage, providing up to 100 hours of storage at a tenth of the cost compared to lithium-ion batteries. Form Energy, an energy storage company, has finished constructing itsplant in West Virginia and has received approval to build another site in Minnesota in partnership with Xcel Energy. Form Energy has also partnered with Puget Sound Energy to expand its technology in Washington State. All these developments allow Form Energy to provide crucial energy support to power plants.
These batteries are very affordable, given the abundance of iron and air in the world. In fact, they''re up to 10 times cheaper, according to Popular Mechanics, and last up to 17 times longer.
Zinc-based batteries work much like lithium-ion batteries with zinc ions flowing from the battery''s anode to cathode. This class of new battery technology includes zinc-bromine, zinc-manganese dioxide, zinc-air and zinc-ion batteries.
Zinc-based batteries could be used for solar energy storage because of theirlow rate of self-discharge. According to PV Magazine, a zinc-air battery storage systemwas installed in a 32-building community in Queens, New York, in 2022. After receiving a $400 million loan from the Department of Energy, startup Eos Energy aims to improve climate technology and the U.S. grid system with its zinc-based batteries as well.
These batteries are typically capable of storing an abundance of energy. Additionally, the materials used in their production are affordable, non-toxic and readily available, according to PV Magazine.
But researchers arestill working to solve some technical problems related to these batteries, namely the potential for them to short circuit. These batteries are also inefficient and expensive to produce, so more research is needed before they can be used more widely.
Graphene batteries are viewed as a major upgrade to lithium-ion batteries and are expected to reshape the EV industry by the next decade. Everyday devices like smartphones and computers could also be equipped with graphene batteries to improve their performance.
Graphene batteries are much more conductive than their lithium-ion counterparts, leading to faster charging in devices and EVs, increased battery capacity and extended battery lifespans. Graphene''s sturdy structure also makes it a more reliable material than lithium-ion, lowering the risk of battery explosions and fires.
The only setback to graphene batteries is their cost. Because companies have yet to figure out a way to mass-produce graphene batteries, the technology remains expensive and largely inaccessible to the general public for the time being.
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