Scalable fabrication of on-chip Li CO2 batteries for efficient electrocatalysts screening and energy storage mechanism study

可扩展制造片上锂二氧化碳电池，用于高效电催化剂筛选和储能机制研究

• 批准号: EP/V002260/1
• 负责人: Yunlong Zhao
• 金额: $ 31.05万
• 依托单位: University of Surrey
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2021
• 资助国家: 英国
• 起止时间: 2021 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=EP%2FV002260%2F1
• 关键词: Scalable; fabrication; chip; Li; CO2

The gradual depletion of fossil fuels and continuous emissions of greenhouse gas are two major energy and environmental problems that confront the world. To solve these worldwide issues, the UK becomes the first major economy to pass the net-zero emissions law. The new target requires the UK to bring all greenhouse gas emissions to net-zero by 2050. Thus, how to maximise the electrical energy supplies and balance the CO2 emissions becomes a critical issue to realise the low carbon society. Metal-CO2 batteries, with the dual characteristics of both effective CO2 fixation and advanced energy storage/conversion, will be perfectly aligned with the national strategy in clean energy and sustainability. Among different metal-CO2 batteries, Li-CO2 batteries are considered the best candidates due to their high theoretical specific energy density (~1800 Wh/kg) and relatively high discharge potential (~2.8 V). However, the development of Li-CO2 batteries is still in its infancy stage. This project aims to make advancements in Li-CO2 batteries with a focus on screening efficient cathode electrocatalysts and studying reaction mechanisms.The high charge potential and unclear reaction mechanisms of current Li-CO2 batteries results in its poor reversibility and short cycle life. Therefore, massive efforts need to devote to find efficient catalysts and understand the comprehensive mechanisms. This project proposes a versatile screening and in situ characterisation platform for rapid screening of highly efficient electrocatalysts and in-depth studying of reaction mechanisms. This project details a specific method to fabricate on-chip Li-CO2 batteries. Combine a unique four-electrode circuit with advanced high-resolution characterisation methods, the structure-property relationship and underlying mechanism of Li-CO2 batteries will be revealed, which could further guide the optimisation of Li-CO2 batteries.Project partners NPL (in situ characterisations), Johnson Matthey (materials and batteries) and QinetiQ (manufacturing and batteries) will provide essential know-how in order to help achieve the project aims: to fabricate on-chip Li-CO2 batteries prototype; to select optimal electrocatalysts; to construct in situ characterisation platform and uncover the underlying mechanism; to optimise the performance of Li-CO2 batteries.This project is the natural result of the PI's expertise in the scalable fabrication of on-chip devices, rational design of electrocatalysts and battery, and in situ electrochemical characterisations. The framework of the proposed work will be underpinned by extensive energy materials characterisation expertise and infrastructure, as well as extensive expertise and facilities in battery manufacturing and testing at the University of Surrey.

化石燃料的逐渐消耗和温室气体的连续排放是面临世界面临的两个主要能量和环境问题。为了解决这些全球问题，英国成为第一个通过净零排放法的主要经济体。新目标要求英国到2050年将所有温室气体排放带到零。因此，如何最大化电能供应并平衡二氧化碳排放成为实现低碳社会的关键问题。具有有效二氧化碳固定的双重特征和先进的能源储能/转换的双重特征，将与国家清洁能源和可持续性的国家战略完全一致。在不同的金属CO2电池中，LI-CO2电池由于其高理论特异性能量密度（〜1800 WH/kg）而被认为是最佳候选物，并且相对较高的放电势（〜2.8 V）。但是，LI-CO2电池的开发仍处于起步阶段。该项目旨在在LI-CO2电池中进步，重点是筛选有效的阴极电催化剂并研究反应机制。当前LI-CO2电池的高电荷电位和不清楚的反应机制导致其可逆性差和短期循环寿命。因此，巨大的努力需要致力于寻找有效的催化剂并了解全面的机制。该项目提出了一种多功能筛选和原位表征平台，以快速筛选高效的电催化剂和对反应机制的深入研究。该项目详细介绍了制造片上LI-CO2电池的特定方法。将揭示将独特的四电极电路与先进的高分辨率表征方法结合在一起，结构范围的关系和LI-CO2电池的基本机制，这可以进一步指导Li-CO2电池的优化。项目合作伙伴NPL（原位）特征），Johnson Matthey（材料和电池）和QINETIQ（制造和电池）将提供必不可少的专有技术，以帮助实现该项目的目标：制造芯片上的Li-CO2电池原型；选择最佳电催化剂；构建原位表征平台并揭示基本机制；为了优化LI-CO2电池的性能。该项目是PI在片上可扩展的芯片设备，电催化剂和电池合理设计以及现场电化学特征方面的专业知识的自然结果。拟议工作的框架将得到广泛的能源材料特征专业知识和基础设施的基础，以及萨里大学电池制造和测试方面的广泛专业知识和设施。

项目成果

Xenon Ion Implantation Induced Surface Compressive Stress for Preventing Dendrite Penetration in Solid-State Electrolytes.

• DOI: 10.1002/smll.202108124
• 发表时间: 2022-04
• 期刊: Small
• 影响因子: 13.3
• 作者: Xuhui Yao;E. Olsson;Manman Wang;Jianan Wang;Q. Cai;N. Peng;R. Webb;Yunlong Zhao

Degradation Diagnostics from the Subsurface of Lithium-Ion Battery Electrodes

锂离子电池电极表面下的退化诊断

• DOI: 10.1002/eem2.12221
• 发表时间: 2021
• 期刊: ENERGY & ENVIRONMENTAL MATERIALS
• 影响因子: 15
• 作者: Yao X

Rectifying interphases for preventing Li dendrite propagation in solid-state electrolytes

纠正界面以防止固态电解质中锂枝晶的生长

• DOI: 10.1039/d2ee04006a
• 发表时间: 2023
• 期刊: Energy & Environmental Science
• 影响因子: 32.5
• 作者: Yao X

Probing interfacial electrochemistry by in situ atomic force microscope for battery characterization

• DOI: 10.1002/bte2.2023006
• 发表时间: 2023-10
• 期刊: Battery Energy
• 作者: Manman Wang;Zhibo Song;Jinxin Bi;Huanxin Li;Ming Xu;Yi Gong;Yundong Zhou;Yunlong Zhao

A Highly integrated flexible photo-rechargeable system based on stable ultrahigh-rate quasi-solid-state zinc-ion micro-batteries and perovskite solar cells

• DOI: 10.1016/j.ensm.2022.06.043
• 发表时间: 2022-07-02
• 期刊: ENERGY STORAGE MATERIALS
• 影响因子: 20.4
• 作者: Bi, Jinxin;Zhang, Jing;Zhao, Yunlong
• 通讯作者: Zhao, Yunlong