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QUANTITATIVE ELECTROCHEMISTRY IN POORLY CONDUCTING MEDIA

不良导电介质中的定量电化学

基本信息

批准号：
EP/H002413/1
负责人：
Richard Guy Compton
金额：
$ 28.19万
依托单位：
University of Oxford
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2009
资助国家：
英国
起止时间：
2009 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FH002413%2F1
关键词：
QUANTITATIVE ELECTROCHEMISTRY POORLY CONDUCTING MEDIA

项目摘要

Electrochemistry is of wide importance and impact. For example the carbon monoxide (smoke) detector in your ceiling is a small electrochemical cell. The disposable strip sensors that diabetics use daily to monitor blood sugar levels are electrochemical. The production of materials as diverse as nylon, aluminium and chlorine is in each case electrolytic. Moreover the subject crucially underpins fundamental aspects of areas such as energy storage and transformation (fuel cells, solar cells, batteries, ..), biology (ion transport, transmission of nerve impulses, photosynthesis, respiration ...) and nanotechnology (nanosensors, molecular wires, nanomotors,...).The rigorous and quantitative study of the relationship between electrical currents an voltages is well developed in the case of media where, first, electrical conduction is easy and second, where the physical dimensions of the system and electrodes are those of micrometres (ca one millionth of a yard) or greater. In the specific case of liquid media this first restriction requires the presence of significant quantities of ions. In this way the subject has led to the major technological impacts illustrated above. The target of the present proposal is the understanding of electrochemistry in poorly conductive media so that the power of electrochemical techniques can be realised without the above mentioned restrictions. That is we seek to facilitate electrochemistry in any media (organic solvents, oil, any biological fluid, ..) and at the same time will generate theory which enable the rigorous anaylsis of electrochemistry at the nanoscale (one thousandth times smaller than the micron scale). We see wide and diverse impact.The program of work suggested links the development of new computer based theory and simulation with diverse model experiments using a range of electrodes and solvents so as to establish and vailidate the former as a platform for broad application.

电化学具有广泛的重要性和影响。例如，天花板上的一氧化碳（烟雾）探测器是一个小型电化学电池。糖尿病患者每天用来监测血糖水平的一次性条形传感器是电化学的。尼龙、铝和氯等多种材料的生产均采用电解法。此外，该学科还至关重要地支持能量存储和转换（燃料电池、太阳能电池、电池等）、生物学（离子传输、神经脉冲传输、光合作用、呼吸……）和纳米技术（纳米传感器、分子线、纳米电机……）等领域的基本方面。对电流与电压之间关系的严格和定量研究在该领域得到了很好的发展。在介质的情况下，首先，导电很容易，其次，系统和电极的物理尺寸为微米（约百万分之一码）或更大。在液体介质的特定情况下，第一个限制要求存在大量离子。通过这种方式，该主题产生了上述重大技术影响。本提案的目标是理解导电性差的介质中的电化学，以便可以在没有上述限制的情况下实现电化学技术的力量。也就是说，我们寻求促进任何介质（有机溶剂、油、任何生物液体等）中的电化学，同时将产生能够在纳米尺度（比微米尺度小千分之一）进行严格电化学分析的理论。我们看到了广泛而多样的影响。工作计划建议将基于计算机的新理论和模拟的发展与使用一系列电极和溶剂的各种模型实验联系起来，以便建立和验证前者作为广泛应用的平台。