New Energy Vehicle Battery Performance Comparison

The performance of new energy vehicle batteries can be compared from multiple aspects, mainly including specific energy, energy density, specific power, cycle life and cost. The following is a comparison of the performance of several common new energy vehicle batteries:

1. Lead-acid battery

Advantages: mature technology, low cost and high safety.

Disadvantages: low energy density, slow charging speed and short life.

Application: mainly used in hybrid vehicles and some pure electric vehicles.

2. Nickel-metal hydride battery

Advantages: high energy density, long cycle life and good safety.

Disadvantages: high cost and slow charging speed.

Application: widely used in hybrid vehicles.

3. Lithium-ion battery

Advantages: high energy density, fast charging speed and long cycle life.

Disadvantages: relatively low safety and high cost.

Application: widely used in pure electric vehicles and plug-in hybrid vehicles.

4. Ternary lithium battery

Advantages: high energy density, fast charging speed and stable performance.

Disadvantages: relatively low safety and high cost.

Application: widely used in pure electric vehicles and plug-in hybrid vehicles.

5. Lithium iron phosphate battery

Advantages: high safety, long cycle life, low cost.

Disadvantages: relatively low energy density, poor low temperature performance.

Application: widely used in pure electric vehicles and plug-in hybrid vehicles.

6. Sodium ion battery

Advantages: low cost, high energy density, excellent thermal stability, good low temperature performance.

Disadvantages: relatively new technology, less market application.

Application: expected to be widely used in the field of new energy vehicles in the future.

7. Solid-state battery

Advantages: high safety, high energy density, fast charging speed.

Disadvantages: high cost, technology is not yet fully mature.

Application: expected to be widely used in the field of new energy vehicles in the future.

Summary

Energy density: solid-state battery > ternary lithium battery > lithium-ion battery > nickel-metal hydride battery > lead-acid battery

Safety: lithium iron phosphate battery > nickel-metal hydride battery > solid-state battery > ternary lithium battery > lithium-ion battery > lead-acid battery

Cycle life: lithium iron phosphate battery > nickel-metal hydride battery > ternary lithium battery > lithium-ion battery > lead-acid battery

Cost: lead-acid battery < nickel-metal hydride battery < lithium iron phosphate battery < ternary lithium battery < solid-state battery

According to different needs and application scenarios, you can choose the appropriate battery type.