Thin film solid electrolyte batteries
薄膜固体电解质电池
基本信息
- 批准号:2114670
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:英国
- 项目类别:Studentship
- 财政年份:2018
- 资助国家:英国
- 起止时间:2018 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This project is part of a new activity on the deposition and characterisation of solid state electrolytes (SSE) in Li-ion batteries, and will benefit from close interaction with the SOLBAT project of the Faraday Institution (https://www.solbat-faraday.org/). The project will explore reliable methods for the growth of thin films of promising electrolyte materials by sputtering and pulsed laser deposition (PLD). The choice of materials to study will be informed by other projects in the SOLBAT collaboration, and will include oxides with the garnet structure and possibly sulphides, and other novel materials as they are discovered. A wide range of parameters (substrate temperature, gas phase pressure, laser/sputter power and composition) can be varied to optimise the ionic conductivity and the critical, and hard to control, problem of ensuring film uniformity. These properties will be measured initially by routine electrochemical impedance spectroscopy (EIS) measurements, phase purity by XRD, and microstructural analysis and uniformity by SEM. The properties of amorphous thin film materials will also be explored since there is very recent evidence that these can have surprisingly good ionic conductivities. PLD processes are ideal for this work, with a very high degree of control over the degree of crystallinity being readily provided by changing deposition parameters. These amorphous electrolytes may also offer interesting opportunities to manage the serious problem of Li dendrite growth in all kinds of SSE battery designs. Once reproducible growth processes have been established, a second stage of the project will be to study the electrolyte/electrode interactions that control the performance of complete batteries. The methodology employed will be the sequential deposition of electrode and electrolyte materials, and electron microscopy and secondary ion mass spectroscopy (SIMS) techniques to study chemical and morphological interactions after heat treatments, and later on, after current cycling of symmetric structures. In-situ and in-operando experiments on multi-layered samples and complete battery structures using the Diamond light Source will also be explored. The overall aim of the project is to offer to the SOLBAT project a route to prototype battery manufacture based on a thin film strategy. There is no current work in the UK, and very little published internationally, on thin film electrolytes, and none at all on interfacial reactions and degradation mechanisms in these materials, and so the proposed research methodology has a high degree of novelty. The student will work closely with other members of the SOLBAT team, in Oxford and in partner universities, and so gain valuable experience with complementary electrochemistry and mechanical measurement techniques. This project falls within the EPSRC Energy Storage research area in the Energy Theme.
该项目是锂离子电池中固态电解质 (SSE) 沉积和表征新活动的一部分,并将受益于与法拉第研究所 (https://www.solbat-faraday.org/) 的 SOLBAT 项目的密切互动。该项目将探索通过溅射和脉冲激光沉积(PLD)生长有前景的电解质材料薄膜的可靠方法。研究材料的选择将参考 SOLBAT 合作中的其他项目,其中包括具有石榴石结构的氧化物和可能的硫化物,以及其他发现的新材料。可以改变多种参数(基板温度、气相压力、激光/溅射功率和成分),以优化离子电导率以及确保薄膜均匀性的关键且难以控制的问题。这些特性最初将通过常规电化学阻抗谱 (EIS) 测量、XRD 相纯度以及 SEM 微观结构分析和均匀性来测量。由于最近有证据表明非晶薄膜材料具有令人惊讶的良好离子电导率,因此还将探索非晶薄膜材料的特性。 PLD 工艺非常适合这项工作,通过改变沉积参数可以轻松实现对结晶度的高度控制。这些非晶电解质还可能提供有趣的机会来解决各种 SSE 电池设计中锂枝晶生长的严重问题。一旦建立了可重复的生长过程,该项目的第二阶段将是研究控制整个电池性能的电解质/电极相互作用。所采用的方法将是电极和电解质材料的顺序沉积,以及电子显微镜和二次离子质谱(SIMS)技术,以研究热处理后以及对称结构的电流循环后的化学和形态相互作用。还将探索使用金刚石光源对多层样品和完整电池结构进行原位和操作实验。该项目的总体目标是为 SOLBAT 项目提供一条基于薄膜策略的原型电池制造途径。目前英国没有关于薄膜电解质的工作,国际上也很少有关于这些材料的界面反应和降解机制的工作,因此所提出的研究方法具有很高的新颖性。学生将与牛津大学和合作大学的 SOLBAT 团队的其他成员密切合作,从而获得互补的电化学和机械测量技术的宝贵经验。该项目属于 EPSRC 能源主题中的储能研究领域。
项目成果
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其他文献
吉治仁志 他: "トランスジェニックマウスによるTIMP-1の線維化促進機序"最新医学. 55. 1781-1787 (2000)
Hitoshi Yoshiji 等:“转基因小鼠中 TIMP-1 的促纤维化机制”现代医学 55. 1781-1787 (2000)。
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LiDAR Implementations for Autonomous Vehicle Applications
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2021 - 期刊:
- 影响因子:0
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吉治仁志 他: "イラスト医学&サイエンスシリーズ血管の分子医学"羊土社(渋谷正史編). 125 (2000)
Hitoshi Yoshiji 等人:“血管医学与科学系列分子医学图解”Yodosha(涉谷正志编辑)125(2000)。
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Effect of manidipine hydrochloride,a calcium antagonist,on isoproterenol-induced left ventricular hypertrophy: "Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,K.,Teragaki,M.,Iwao,H.and Yoshikawa,J." Jpn Circ J. 62(1). 47-52 (1998)
钙拮抗剂盐酸马尼地平对异丙肾上腺素引起的左心室肥厚的影响:“Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,
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