This method instrumentation equipment simple, and easy to popularize the promotion, it concentrates through the electrodeposition, concentrated the low density ion, enhanced the sensitivity.

该方法仪器设备简单，容易普及推广，它通过电积富集，把低浓度的离子富集，提高了灵敏度。

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Electrolyte was one of the key points which made rechargeable lithium ion batteries with high power and energy density, long cycling life and desirable safety.

电解质是制备高功率密度和高能量密度、长循环寿命和安全性能良好的锂离子电池的关键材料之一。

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The results show that the density distribution of ion and electron is similar to electric field distribution.

结果表明，在电离的初始阶段，电子、离子密度分布与场分布同步。

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All three batteries use automotive-grade lithium-ion cells arranged for optimal energy density, thermal management, and safety.

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Since then, Li-ion batteries have barely tripled their volumetric energy density, while processor transistor count has zoomed more than a thousand-fold.

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