They posses a high surface area for better electron transfer, which can lead to the improved performance of an electrode in an electric double capacitor or battery.

纳米多孔金属材料由于其较高的表面积所以拥有良好的电子传输特性，这正好改善了其在导电双电容或电池上的电极性能。

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According to voltage curves batteries with similar performance are selected for better series battery.

根据测得的各节电池的电压曲线，选择性能相近的电池组成优化的串联电池组。

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NAS battery technology has become one of the most promising DSM technologies for its high performance, large energy density, good temperature stability, low cost and better security.

钠硫蓄电池技术以其性能高、能量密度大、温度稳定性好、成本低、安全性好的特点已成为目前最有前景的电力需求侧管理新技术之一。

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Why would you want to do this? speeeeed of course, up to 50% faster in some cases, but you can also (in theory) get better battery life and better performance if you underclock your device when you don't need all the speed and overclock when you do.

ENGADGET: pt's "how to Tuesday" Overclocking your Pocket PC

Much like ultrabooks, Centrino processors promised better battery life and overall improved performance, as well as more integrated wireless connectivity.

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And he notes that the new designs to be displayed at the show offer substantial improvements over first-generation ultrabooks, including better battery life and improved chip performance.

FORBES: CES: This Year, Intel Takes The Spotlight