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In recent years, lithium batteries have made great progress
in terms of mass specific energy and volume specific energy.
Since the 90s of the last century, Sony launched commercial lithium batteries, graphite anode has firmly occupied the dominance of lithium battery anode materials, which seriously restricts the improvement
of lithium battery energy density.
Over the years, scientists around the world have tried to develop anode materials that can replace graphite, such as silicon-based anode materials, tin-based materials, and lithium titanate materials
that have appeared in recent years.
Various battery manufacturers have launched products using silicon anode materials, such as the lithium battery using silicon-based anode materials launched by Japan's GS Yuasa Company, which has been successfully applied to Mitsubishi Motors
.
Hitachi Maxell announced the development of lithium silicon anode batteries
that can achieve high current capacity.
Mitsui Kinzoku is also ambitious to push silicon anode lithium batteries to consumer electronics and electric vehicles
.
Dalian BAK launched a silicon anode 18650 battery based on high-voltage lithium cobalt oxide with a capacity of 3.
6Ah
.
Compared with graphite materials, silicon anodes can only be regarded as small characters
.
At present, Korean and Japanese material manufacturers have launched commercial silicon oxide composite anode materials
.
These materials are generally carbon-claded, which improves the conductivity of the material and also avoids direct contact between the silicon oxide material and the electrolyte, improving the cycling performance
of the material.
The large-scale application of silicon-based anode materials still faces many tests, further improving the cycling performance of materials and reducing production costs, and the majority of researchers and manufacturers still have a long
way to go.
It should be pointed out that although silicon anode materials have undergone so many improvements, they still need to be used with graphite materials, so for a long time in the future, graphite materials will still dominate, and silicon-based anode materials will rise
strongly.
In recent years, lithium batteries have made great progress
in terms of mass specific energy and volume specific energy.
Since the 90s of the last century, Sony launched commercial lithium batteries, graphite anode has firmly occupied the dominance of lithium battery anode materials, which seriously restricts the improvement
of lithium battery energy density.
Over the years, scientists around the world have tried to develop anode materials that can replace graphite, such as silicon-based anode materials, tin-based materials, and lithium titanate materials
that have appeared in recent years.
Various battery manufacturers have launched products using silicon anode materials, such as the lithium battery using silicon-based anode materials launched by Japan's GS Yuasa Company, which has been successfully applied to Mitsubishi Motors
.
Hitachi Maxell announced the development of lithium silicon anode batteries
that can achieve high current capacity.
Mitsui Kinzoku is also ambitious to push silicon anode lithium batteries to consumer electronics and electric vehicles
.
Dalian BAK launched a silicon anode 18650 battery based on high-voltage lithium cobalt oxide with a capacity of 3.
6Ah
.
Compared with graphite materials, silicon anodes can only be regarded as small characters
.
At present, Korean and Japanese material manufacturers have launched commercial silicon oxide composite anode materials
.
These materials are generally carbon-claded, which improves the conductivity of the material and also avoids direct contact between the silicon oxide material and the electrolyte, improving the cycling performance
of the material.
The large-scale application of silicon-based anode materials still faces many tests, further improving the cycling performance of materials and reducing production costs, and the majority of researchers and manufacturers still have a long
way to go.
It should be pointed out that although silicon anode materials have undergone so many improvements, they still need to be used with graphite materials, so for a long time in the future, graphite materials will still dominate, and silicon-based anode materials will rise
strongly.
