完全环保的-O电池从实验室规模扩展到原型水平
Marcell Árpád Kordován1, Tibor Nagy1, Gergő Róth1,2
1Department of Applied Chemistry, Faculty of Science and Technology, University of Debrecen Egyetem tér 1 H-4032 Debrecen Hungary keki.sandor@science.unideb.hu +36 52 518662.
RSC advances
|April 16, 2025
概括
这项研究扩大了使用吸附氧的空气电池 (ZAB),用于封闭系统. 原型显示了增强的能量密度和输出电压,显示了可持续能源存储系统的潜力.
科学领域:
- 电化学 电化学 电化学
- 材料科学 材料科学 材料科学
- 储能 储能 储能 储能 储能 储能
背景情况:
- 空气电池 (ZAB) 提供高特异能,安全性和低成本,使其成为下一代能源存储的前景.
- 以前的实验室规模ZAB使用木炭阴极和性电解质.
- 吸附氧 (O2 ((ads)) 允许封闭系统设计,以提高安全性和性能.
研究的目的:
- 将实验室的空气电池设计扩展到一个多细胞原型.
- 为了研究使用吸附氧气的封闭系统空气电池的性能.
- 使用电静电,电动力学和电化学阻抗光谱 (EIS) 方法分析电化学性能.
主要方法:
- 扩大以前开发的实验室空气电池的规模.
- 构建一个六电池原型电池,采用木炭阴极和膨胀的棉膜.
- 电化学表征包括静电,动力学和EIS分析.
- 放松时间分布 (DRT) 和等效电路模型 (ECM) 的应用用于EIS数据分析.
主要成果:
- 一个六个电池的原型空气电池已经成功开发出来,每个电池的容量为150 mA h和148 mW h,达到7.5 V的输出电压.
- 与实验室电池相比,原型显示了增加的能量密度,开放电路电压和工作放电电流.
- 使用ECM和DRT评估的EIS分析,提供了对细胞电化学行为的见解.
结论:
- 使用吸附氧气的空气电池的扩展是可行的,从而提高了性能指标.
- 开发的封闭系统设计显示了安全和可持续的储能应用的前景.
- 进一步开发和扩展可以将这种氧电池确立为部署能源存储系统 (ESS) 的可行技术.
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