Journal
SUSTAINABLE ENERGY & FUELS
Volume 4, Issue 1, Pages 132-137Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9se00598f
Keywords
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Funding
- National Key RD Program [2017YFA0206700, 2016YFA0202500, 2016YFB0901502]
- National NSFC [21835004, 21673243, 51771094, 21805141]
- MOE 111 project [B12015]
- Tianjin High-Tech [18JCZDJC31500]
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Aqueous potassium ion batteries (APIBs) are safe, robust, and environmentally friendly energy storage equipments. In this work, a high performance K+/OH- hybrid ion aqueous battery, using Co-Ni(OH)(2) as the cathode and poly(1,4-anthraquinone) (P14AQ) as the anode, is proposed and characterized. By tuning the polymerization degree of P14AQ, the P14AQ/Co-Ni(OH)(2) battery delivers a high energy/power density of 93 W h kg(-1) at 1040 W kg(-1) with an improved cycle life. Moreover, this P14AQ/Co-Ni(OH)(2) battery shows a wide temperature operation window ranging from -30 degrees C to 25 degrees C. This proposed system is expected to be a promising battery for large-scale energy storage.
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