Towards stable and efficient electrolytes for room-temperature rechargeable calcium batteries†,Energy & Environmental Science

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Towards stable and efficient electrolytes for room-temperature rechargeable calcium batteries†
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2019-08-16 , DOI: 10.1039/c9ee01699f
Zhenyou Li _{1,

2,

3} , Olaf Fuhr _{3,

4,

5,

6,

7} , Maximilian Fichtner _{1,

2,

3,

4,

5} , Zhirong Zhao-Karger _{1,

2,

3}

Affiliation

Rechargeable calcium (Ca) batteries have the prospect of high-energy and low-cost. However, the development of Ca batteries is hindered due to the lack of efficient electrolytes. Herein, we report novel calcium tetrakis(hexafluoroisopropyloxy)borate Ca[B(hfip)₄]₂ based electrolytes exhibiting reversible Ca deposition at room temperature, a high oxidative stability up to 4.5 V and high ionic conductivity >8 mS cm⁻¹. This finding opens a new approach towards room-temperature rechargeable calcium batteries.

中文翻译：

寻求稳定，高效的室温可充电钙电池电解液†

可再充电钙（Ca）电池具有高能量和低成本的前景。然而，由于缺乏有效的电解质，阻碍了钙电池的发展。本文中，我们报道了新颖的基于四（六氟异丙氧基氧基）硼酸钙Ca [B（hfip）₄ ] ₂的电解质，在室温下具有可逆的Ca沉积，高达4.5 V的高氧化稳定性和> 8 mS cm ^-1的高离子电导率。这一发现为室温可充电钙电池开辟了一种新方法。

更新日期：2019-12-04

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