1. Raw material recycling
Recycling lithium-ion battery packs that no longer meet current application
needs can effectively leverage their remaining value. Regarding lithium-ion
batteries with significantly reduced cycle life, renewable resources such as
metal oxides, organic electrolytes, and plastic shells can be extracted from
them. Resource recycling can effectively recover the cost of lithium-ion
batteries and has strong economic benefits.
The proportion of battery cells in the cost of power lithium-ion battery
packs reaches 36%, and if gross profit is deducted, the proportion of battery
cells is as high as 49%; The cost of battery cells accounts for a higher
proportion in consumer batteries. In the battery cell, the cost of positive
electrode materials rich in metal elements such as nickel, cobalt, and manganese
accounts for 45%. Through raw material recycling, metal elements such as nickel,
cobalt, and manganese can achieve a recovery rate of over 95%, while the
recovery rate of lithium is also over 70%, showing significant economic
benefits.
2. Cascade utilization
Lithium ion battery packs with longer cycle life but insufficient capacity
to meet current usage conditions can be used in the energy storage field through
a cascading utilization mode. Cascade utilization is an efficient and
energy-saving recycling method suitable for waste power lithium-ion battery
packs, which achieves economic goals by extending the service life of power
lithium-ion battery packs.
Generally speaking, when the capacity of power lithium-ion battery packs
decays to about 80%, they will be phased out. However, at this time, power
lithium-ion battery packs can still be used for energy storage equipment and
placed in commercial residential energy storage stations, electric vehicle
charging and storage stations, and telecommunications base stations.
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