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Advantages and disadvantages of lithium batteries made of different materials
2022-11-21
Advantages and disadvantages of lithium batteries made of different materials
Lithium battery is a kind of battery with lithium metal or lithium alloy as cathode material and non-aqueous electrolyte solution. Lithium ion batteries use carbon materials as the negative electrode and lithium containing compounds as the positive electrode. According to different positive electrode compounds, common lithium ion batteries include lithium cobalate, lithium manganate, lithium iron phosphate, lithium ternary, etc.
What are the advantages and disadvantages of batteries made of lithium cobalate, lithium manganate, lithium nickel oxide, ternary materials and lithium iron phosphate?
Advantages: lithium cobalate has the advantages of high discharge platform, high specific capacity, good cycling performance, simple synthesis process, etc.
Disadvantages: Lithium cobalate material contains cobalt element with high toxicity and high price, so it is difficult to ensure the safety when making large power batteries.
2. Lithium iron phosphate battery
Advantages: lithium iron phosphate does not contain harmful elements, has low cost, excellent safety, and a cycle life of 10000 times.
Disadvantages: The energy density of lithium iron phosphate battery is lower than that of lithium cobalate and ternary battery.
Advantages: ternary materials can be balanced and regulated in terms of specific energy, recyclability, safety and cost.
Disadvantages: The worse the thermal stability of ternary materials is. For example, NCM11 material decomposes at about 300 ℃, while NCM811 decomposes at about 220 ℃.
4. Lithium manganate battery
Advantages: low cost, good safety and low temperature performance of lithium manganate.
Disadvantages: The lithium manganate material itself is not very stable and easy to decompose to produce gas.
Lithium battery is a kind of battery with lithium metal or lithium alloy as cathode material and non-aqueous electrolyte solution. Lithium ion batteries use carbon materials as the negative electrode and lithium containing compounds as the positive electrode. According to different positive electrode compounds, common lithium ion batteries include lithium cobalate, lithium manganate, lithium iron phosphate, lithium ternary, etc.
What are the advantages and disadvantages of batteries made of lithium cobalate, lithium manganate, lithium nickel oxide, ternary materials and lithium iron phosphate?
Advantages: lithium cobalate has the advantages of high discharge platform, high specific capacity, good cycling performance, simple synthesis process, etc.
Disadvantages: Lithium cobalate material contains cobalt element with high toxicity and high price, so it is difficult to ensure the safety when making large power batteries.
2. Lithium iron phosphate battery
Advantages: lithium iron phosphate does not contain harmful elements, has low cost, excellent safety, and a cycle life of 10000 times.
Disadvantages: The energy density of lithium iron phosphate battery is lower than that of lithium cobalate and ternary battery.
Advantages: ternary materials can be balanced and regulated in terms of specific energy, recyclability, safety and cost.
Disadvantages: The worse the thermal stability of ternary materials is. For example, NCM11 material decomposes at about 300 ℃, while NCM811 decomposes at about 220 ℃.
4. Lithium manganate battery
Advantages: low cost, good safety and low temperature performance of lithium manganate.
Disadvantages: The lithium manganate material itself is not very stable and easy to decompose to produce gas.
The weight of lithium ion battery is half of that of nickel cadmium or nickel hydrogen battery with the same capacity; The working voltage of a single lithium ion battery is 3.7V, which is equivalent to three nickel cadmium or nickel hydrogen batteries in series; Lithium ion batteries do not contain lithium metal, and are not subject to the restrictions of aircraft transportation on the prohibition of carrying lithium batteries on passenger aircraft.
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