Batteries

Batteries are the ultimate electrochemical device, so it comes as no surprise that, as a general rule, battery scientists understand electrochemistry very well and use electrochemistry as a routine tool to develop and improve their products.  This is an impressive challenge for battery engineers, who must respond to a market that is demanding higher energy densities and lower prices.  A battery, though, is a very active electrochemical device, so safety is an important issue.  Balancing cost and safety requires a thorough investigation of the performance of the electrochemical characteristics of a battery.

The PWR800 Electrochemical Energy Software is designed for the battery researcher.  The PWR800 takes advantage of the high performance and versatility of the Reference 3000 Potentiostat, the preferred instrument for batteries.  The Auxiliary Electrometer Option in the Reference 3000 allows them to make voltage measurements and EIS measurements on individual cells in a battery stack.  

Electrochemists in the battery industry are knowledgeable users of EIS, so our EIS300 Electrochemical Impedance Spectroscopy is a popular tool.  They also like the Sequence Wizard that is built into the Gamry Framework Software.   And they appreciate Open Source Scripting, which allows Gamry software to be easily modified for custom applications. 

An example of an EIS analysis of a secondary alkaline battery can be found here, along with an interesting discussion of the modeling of the battery impedance results.

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Last revised on Tuesday, January 12, 2010