The Application of Feedback Principles to Instrumentation for Potentiostatic Studies
The Application of Feedback Principles to Instrumentation for Potentiostatic Studies
复制标题
反馈原理在恒电位研究仪器中的应用
DOI：
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发表时间：
1969
期刊：
影响因子：
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通讯作者：
I. Shain
中科院分区：
文献类型：
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作者：
R. Schroeder;I. Shain
使用恒电位法进行快速动力学研究需要仪器，该仪器必须能够提供大的瞬态电流（以尽可能快地对双电层充电），但同时必须能够以最小的噪声提供精确的电位控制。这些特性可以通过使用现代运算放大器来获得，但前提是适当注意使电解池与电子电路匹配，以便提供最佳响应和稳定性。本文综述了设计和操作此类仪器所需的反馈原理和基本控制电路理论。
SUMMARY The use of the potentiostatic method for fast kinetic studies requires instrumentation which must be capable of furnishing large transient currents (to charge the electrical double layer as rapidly as possible) but which, at the same time, must be able to provide accurate potential control with minimum noise. These characteristics can be obtained by using modern operational amplifiers, but only if proper attention is given to matching the electrolysis cell with the electronic circuit so as to provide optimum response and stability. The feedback principles and elementary control circuit theory required to design and operate such instruments are reviewed here.