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Scientists are on their way to a carbon-neutral future.
Scientists from Tsinghua University presented new research in the field of rechargeable batteries, suggesting replacing the graphite anode with lithium to create batteries with a higher energy intensity. Despite the advantages of lithium, existing problems with the lithium anode, such as instability and dendrite formation during charging, limit its practical application. These dendrites, which resemble tree branches, can cause a short circuit and degrade battery performance, posing a potential hazard.
The solution proposed by the researchers is to create an artificial solid electrolyte interface (ASEI). ASEI helps eliminate many of the problems associated with using pure lithium, making batteries safer, more reliable and more powerful. This is especially important for applications in electric vehicles and other similar devices.
In an article published in the journal Energy Materials and Devices, the scientists highlighted the importance of improving battery technology to achieve a carbon-neutral economy. Study author Yanyan Wang noted: "Battery technology is revolutionizing the way we live and is closely linked to everyone's life. To realize a truly carbon-neutral economy, batteries with better performance are required to replace current lithium-ion batteries."
To improve lithium metal anodes, scientists have proposed a number of strategies. In particular, they propose to homogenize the distribution of lithium ions, which helps reduce the formation of dendrites and prevent premature wear and short circuits. In addition, reducing the voltage between the electrode and electrolyte interface ensures proper communication between the layers, which is an important part of the battery's functionality.
ASEI artificial layers promise significant improvements in the future, but in the current version they require additional improvements. The researchers aim to improve the adhesion of ASEI-layers on the metal surface, which will increase the functionality and life of the battery. Other areas of research include improving structural stability and chemical stability within layers, as well as minimizing layer thickness to increase the energy density of metal electrodes.
Scientists from Tsinghua University presented new research in the field of rechargeable batteries, suggesting replacing the graphite anode with lithium to create batteries with a higher energy intensity. Despite the advantages of lithium, existing problems with the lithium anode, such as instability and dendrite formation during charging, limit its practical application. These dendrites, which resemble tree branches, can cause a short circuit and degrade battery performance, posing a potential hazard.
The solution proposed by the researchers is to create an artificial solid electrolyte interface (ASEI). ASEI helps eliminate many of the problems associated with using pure lithium, making batteries safer, more reliable and more powerful. This is especially important for applications in electric vehicles and other similar devices.
In an article published in the journal Energy Materials and Devices, the scientists highlighted the importance of improving battery technology to achieve a carbon-neutral economy. Study author Yanyan Wang noted: "Battery technology is revolutionizing the way we live and is closely linked to everyone's life. To realize a truly carbon-neutral economy, batteries with better performance are required to replace current lithium-ion batteries."
To improve lithium metal anodes, scientists have proposed a number of strategies. In particular, they propose to homogenize the distribution of lithium ions, which helps reduce the formation of dendrites and prevent premature wear and short circuits. In addition, reducing the voltage between the electrode and electrolyte interface ensures proper communication between the layers, which is an important part of the battery's functionality.
ASEI artificial layers promise significant improvements in the future, but in the current version they require additional improvements. The researchers aim to improve the adhesion of ASEI-layers on the metal surface, which will increase the functionality and life of the battery. Other areas of research include improving structural stability and chemical stability within layers, as well as minimizing layer thickness to increase the energy density of metal electrodes.
