The new material has such high energy density because it can operate at a higher voltage than current electrode materials and also store more lithium ions.

这种新材料具有高能量密度，因为它能够以比目前更高的电压的电极材料储存更多的锂离子个单一的百分比数字。

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Because of this flexibility, researchers hope to develop new electrode materials that can increase the energy density of lithium-ion batteries by a factor of two or more in the future.

因为具有这种弹性，研究者们期待能开发出新的电极材料，未来也许可以把锂离子电池的能量密度提高2倍或以上。

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This paper discusses the main problems of ni-cd cell such as leakage at ceramic-metal seal factors effecting on the specific energy density choice of separator and the cadmium electrode.

文中论述了镉镍单体电池中陶瓷金属封接技术、响电池比能量的因素、膜的选择和镉电极对电池性能的影响。

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One main problem is that the electrode package, also called the stack, has very low energy density.

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