[Retracted] Collaborative Control and Optimization Mechanism of Thermal Management of New Energy Vehicles

Table 2

Comparison of performance parameters of different types of power batteries.

	Lead-acid batteries	NiMH batteries	Lithium-ion battery	Nickel-cadmium batteries
Volume-specific energy	80	100-200	200-320	70-140
Mass-specific energy	35-40	75-80	140-200	40-50
Cell voltage	2	1.2	2.5-4.5	1.2
Operating temperature	-20-60	20-60	-20-60	-20-60
Power density	50	160-230	>300	190
Self-discharge rate	4-5	<35	<5	<35
Cycle life	500-800	>1000	>1000	>1000