There is a growing demand for green or clean energy sources. This is fueling battery development and use. For commercial use lithium batteries are gaining a market.
Lithium batteries consist of either a pouch style construction or welded metal enclosures each designed and shapped to fit the application. The sealed cases contain a liquid cathode chemical and electrodes sealed into the walls of the enclosure. The final assembly must be tested for leaks of the liquid chemical.
Cincinnati Test Systems has developed a test instrument that detects vaporizing liquid in a vacuum. Different liquids boil and vaporize when exposed to specific vacuums. A test stand with interchangeable chambers designed for specific battery designs is connected to an analyzing detection instrument and a vacuum system. CTS instrumentation controls the chamber evacuation and monitoring system. If any chemical vapor escapes the battery as it becomes vaporized, the instrumentaton measures the amount of vaporization and signals if the amount of concentration exceeds a set limit to indicate a rejected and leaking battery.
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