A collaboration between researchers at the Yokohoma National University in Japan and the University of New South Wales Sydney, Australia has led to the development of a new electrode material that can be used in solid-state batteries. Thus the electrode doesn't diminish after multiple charges and discharge cycles and can help in manufacturing durable batteries for electric vehicles.
While high charging times make the shift to electric vehicles unattractive, as the crucial component, the battery must also be cheap enough to encourage EV adoption. Although progress has been made in developing lithium-ion batteries,Unlike a conventional lithium-ion battery, SSBs do not have a liquid electrolyte and are made from entirely solid materials, hence the name. The major advantage of this technology is safety since an SSB doesn't leak out toxic chemicals even when punctured.
During the charging and discharging process, when lithium ions are inserted or extracted from the electrodes of an SSB, the crystalline structure of the material undergoes a change and ends up expanding and shrinking, depending on the charge cycle. The changes in the volume damage the interface between the electrode and solid electrolyte and cause irreversible changes in the crystal chemistry, the press release said.
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Source: cleantechnica - 🏆 565. / 51 Read more »