新型电池的原理和锂离子电池的原理相同，都是通通过在充电电极和放电电极之间移动钠离子或钾离子进行能量的存储和利用。相比较之下，这种电池是非常便宜的。
It relies on the same principle employed in lithium-ion batteries-moving sodium or potassium ions between electrodes during charging and discharging-but does it much more cheaply.
加热和充电的结合释放出电子， 电子通过真空管加速撞击到对面充满正电的电极上。
The combination of heat and charge releases electrons, which accelerate through the tube and strike a positively charged electrode at the other end.
这种电极可以在4000此循环充电后继续维持83%的能源，仍可在用，而相比之下，蓄电池只能循环充电几百次，锂离子电池可以循环1000次。
The electrodes maintain 83 percent of their charge capacity after 40, 000 cycles-in comparison, lead-acid batteries last a few hundred cycles, while lithium-ion batteries typically last for 1, 000.
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