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Components and Materials

Capacitor Technologies Used in Filtering

Although understanding each capacitor type and behavior is daunting and difficult to memorize, it is prudent that every aspiring engineer and technician involved in design for EMC at least have a rudimentary understanding of what capacitor technologies are available.

New Bi-National Standard for Battery Management

The Standards Council of Canada (CSA) has published a new National Standard applicable to...

An Overview of Aerospace Battery Compliance

The FAA has published requirements that require testing for all battery devices that are a part of the aircraft itself.

CPSC Issues NPRM for Button Cell/Coin Batteries

The U.S. Consumer Product Safety Commission (CPSC) is moving forward with its efforts to...

Calibrating Smart Batteries with Impedance Tracking

When Gaston Planté invented the rechargeable battery in 1859, a new system of stored energy emerged. Today, digital technology has helped to make the electrochemical battery smart by providing a window into a battery’s state-of-function.
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Energy Release Quantification for Li-Ion Battery Failures

The growing application of lithium-ion batteries brings with it an increased risk of unanticipated energy releases and thermal runaway. Quantifying battery energy release characteristics during product design can help mitigate those risks.

Health Monitoring and Prediction of Cells in a Battery Module or Pack Under Operating Condition

The state of health of cells in a battery pack under operating condition is difficult to obtain through existing IEC and ISO standard methods under laboratory conditions. However, a cell state of health (SOH) profile shall be able to establish by the comparison of electro-impedance spectroscopy (EIS) generated statically versus dynamic operating data retrieved by battery management system (BMS) communication interface as fragments of EIS.

Reese’s Act Signed into Law: Addresses Battery Ingestion Risks

The U.S. Consumer Product Safety Commission (CPSC) will now be required to establish a...

U.S. Government Seeks Input on Building Out Li-Ion Battery Recycling Programs

The U.S. Department of Energy (DoE) is seeking input on how best to spend...

Common Mode Filter Design Guide

The selection of component values for common mode filters need not be a difficult and confusing process. The use of standard filter alignments can be utilized to achieve a relatively simple and straightforward design process, though such alignments may readily be modified to utilize pre-defined component values.
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