The carbon paste can greatly improve the electrical conductivity and the electron transfer rate of the electrode, and simultaneously can improve the stability of the electrode.

可以大大提高电极的导电性和电子转移速率，同时还可以改进电极的稳定性。

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The two problems of enzyme-based biofuel cells are short lifetime and poor power density, both of which are related to enzyme stability, electron transfer rate and enzyme loading.

酶生物燃料电池的寿命短以及能量密度低都与酶的稳定性、电子迁移速率和酶载量相关。

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Some basis mechanics, especially the activation model and the theoretical expression of the electron-transfer rate used in this paper have also been introduced.

介绍了电子转移的一些基本机理，着重介绍了本文所用到的有关自交换电子转移活化模型及计算耦合体系电子转移速率的理论框架。

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