Lithium-ion is the first battery type on the list when manufacturers choose, but its use has raised certain doubts and concerns, from lithium shortages to ethical issues related to mining minerals like cobalt. However, these issues may be resolved as the tech world begins to look to more powerful sodium battery technology as a great alternative.
Sodium batteries help solve many of the problems associated with lithium technology
The first thing users need to know is that sodium batteries have a number of advantages that make them popular. First of all, sodium is an abundant and accessible element, making it an environmentally friendly option.
The key aspect that sets sodium batteries apart is their composition. These batteries use a multilayer oxide cathode – a technology that doesn’t rely on cobalt like lithium, which has been criticised, nor does it rely on nickel to improve its performance.
Less than a year ago, Computer Today magazine discussed news related to sodium batteries. A team of researchers led by the University of Sydney (Australia) designed a sodium battery that not only has a larger storage capacity than lithium batteries, but is also much cheaper to produce. "Our sodium battery can significantly reduce costs and increase storage capacity by four times. This is a significant step forward for the development of renewable energy," explained research director Shenlong Zhao. Zhao also said that despite the long-term cost reduction, sodium battery technology still faces some financial barriers to entry.
Leading companies in the energy storage and mobility industry have begun to make moves and evaluate the potential of sodium batteries. Among them, Contemporary Amperex Technology Limited (CATL) - one of the largest companies specializing in manufacturing lithium batteries for vehicles worldwide . In addition, BYD is in the process of researching and developing sodium batteries.
Other companies, such as Farasis Energy, HiNa Battery Technology and Svolt, are also joining the sodium battery promotion initiative by collaborating with key industry partners to bring sodium battery technology to market.
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