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On May 29, Fujitsu Laboratories announced that it has successfully developed a cathode material
for high-voltage iron-phosphate batteries that can compete with cobalt-based materials.
It is reported that the current cathode material of lithium batteries uses lithium cobalt oxide, and the depletion of cobalt materials may lead to a significant increase
in the cost of battery materials.
According to reports, lithium batteries using iron materials are inferior in energy density to lithium batteries using cobalt materials, so the voltage of lithium batteries of iron materials is only 2.
8~3.
5V, which is less than 3.
75~4.
1V of cobalt materials, so it is necessary to develop new iron materials
.
Fujitsu discovered that deforming the position of oxygen atoms around iron atoms is an important factor in increasing voltage, and developed a new material Li5.
33Fe5.
33(P2O7)4, and the coin cell battery also obtained a voltage
of 3.
8V.
This is higher
than the previous iron phosphate batteries represented by LiFePO4.
On May 29, Fujitsu Laboratories announced that it has successfully developed a cathode material
for high-voltage iron-phosphate batteries that can compete with cobalt-based materials.
It is reported that the current cathode material of lithium batteries uses lithium cobalt oxide, and the depletion of cobalt materials may lead to a significant increase
in the cost of battery materials.
According to reports, lithium batteries using iron materials are inferior in energy density to lithium batteries using cobalt materials, so the voltage of lithium batteries of iron materials is only 2.
8~3.
5V, which is less than 3.
75~4.
1V of cobalt materials, so it is necessary to develop new iron materials
.
Fujitsu discovered that deforming the position of oxygen atoms around iron atoms is an important factor in increasing voltage, and developed a new material Li5.
33Fe5.
33(P2O7)4, and the coin cell battery also obtained a voltage
of 3.
8V.
This is higher
than the previous iron phosphate batteries represented by LiFePO4.
