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          Top 10 emerging technologies of 2019

          chinadaily.com.cn | Updated: 2019-07-09 06:40
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          Utility-scale storage of renewable energy

          Lithium-ion batteries are seen on a production line inside a factory in Dongguan, South China's Guangdong province, on Oct 16, 2018. [Photo/IC]

          Lithium-ion batteries will likely be the dominant technology for the next five to 10 years and continuing improvements will result in batteries that can store four to eight hours of energy – long enough, for example, to shift solar-generated power to the evening peak of demand.

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