过电位
阳极
材料科学
电解质
剥脱关节
磷烯
锌
电偶阳极
化学工程
水溶液
锂(药物)
氧化剂
电池(电)
无机化学
电化学
石墨烯
纳米技术
化学
冶金
电极
有机化学
阴极保护
医学
功率(物理)
物理
物理化学
工程类
内分泌学
量子力学
作者
Sangha Baek,Jae Yong Park,Taehun Kang,Ho Seok Park
出处
期刊:Meeting abstracts
日期:2022-10-09
卷期号:MA2022-02 (1): 5-5
标识
DOI:10.1149/ma2022-0215mtgabs
摘要
Electric vehicles and renewable energy have gain lots of interests as a trial to protect environment and to prepare the depletion of fossil fuels. However, currently widely used lithium-ion batteries have disadvantages such as safety issue due to the fire hazard from organic electrolytes and non-uniform distribution of lithium reserves. Accordingly, aqueous zinc ion battery is attracting attention as an alternative because of the use of zinc, which has about 17 times more reserves than lithium, and the use of aqueous electrolyte, which has a low risk of fire. To achieve the high-performance aqueous zinc ion battery, zinc metal has been studied a lot due to its high theoretical capacity (820 mA/g). However, there are several huddles to use the zinc metal as an anode. Low reversibility due to the dendrite formation, exhaustion of electrolyte from the hydrogen evolution reaction, and low energy efficiency coming from high overpotential during charge and discharge steps are them. In this study, we tried to overcome these shortcomings by using black phosphorus. Black phosphorus with a layered structure can make phosphorene, a two-dimensional structure like graphene, through exfoliation. Such phosphorene has the advantage of being able to increase the effect of functionalization because the surface occupies a large proportion of the total. Specifically, after oxidizing exfoliated black phosphorus, we could chemically attach it to the zinc surface, a water-stable two-dimensional coating layer was formed. It could drive a uniform and facile deposit of zinc. Computational and experimental methods were used to understand this role of oxidized black phosphorus.
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