Most strikingly , the device 's internal battery can last half an hour before it needs recharging .
最重要的是,即使在需要充电的情况下,人造心脏的内部电池还可以提供半个小时的电量。
Melbourne taxi 2020 design concept utilizes an electric taxi vehicle and supported infrastructure with recharging booths placed at vital points around the city .
In partnership with the japan automobile federation , they are testing a roadside service vehicle capable of recharging a stranded vehicle .
通过与日本汽车联盟的合作,他们正在测试一辆道路救援服务车,这辆车能给停驶的车辆充电。
A variety of chemical batteries have been tried , as well as inductive recharging schemes and even plutonium power cells that convert the heat from radioactive decay into electricity .
他们试过各种化学电池和感应充电方法,甚至用了可将放射性衰变产生的热能转化为电能的钚能量电池。
But that has not dissuaded researchers from continuing to seek perfection , in the form of a compact , perpetual energy source which does not require external recharging .
但是这并没有阻止研究人员对完美的追求,他们想要开发一种更小、不需要外部充电的永久性植入设备。
In many cases , according to these people , internal battery safety systems kicked in as designed , preventing maintenance officials from recharging the affected batteries .
据这些人士说,在很多情况下,由于内部电池安全系统按设计发挥作用,阻止了维护人员为受影响的电池充电。
But even with advances in power systems and improved lithium-ion batteries , their range on a single charge is limited-and recharging can take hours .