Low heat, electric energy conversion rate in more than 90%.

发热量低，驱动电能转化率在90%以上。

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Energy conversion rate was higher because of the feedback of materials in the system.

由于系统内物质的反馈，能量转换率较高。

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By using the convex lens to focus the solar energy, the use amount of the crystal silicon batteries is largely reduced and the energy conversion rate is improved.

由于利用凸透镜对太阳光进行聚焦，因此晶硅电池的用量大大减少，同时光能转化率也有所提高。

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Most of the challenge, as we often see for solar cells, is just a matter of improving the energy conversion rate.

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