Author | Keysight Blogs

Ed Brorein 2022.08.30

Lithium-ion cells get charged and discharged, both during life cycle testing and during formation. However, the goals for life cycle testing versus formation are very different. Correspondingly, the c

17 min read

#Manufacturing Test #Automotive + Energy

Benchtop

Ed Brorein 2022.06.01

Internal resistance is one of a few key characteristics that define a lithium ion cell’s performance. A cell’s power density, dissipation, efficiency, and state of health (SoH) all depend on its inter

15 min read

#Manufacturing Test #Automotive + Energy

Benchtop

Ed Brorein 2022.01.31

Last year I posted an article “The ABCs of Lithium-Ion Cell Manufacturing” (click on title to access) that provides an overview of the lithium-ion cell manufacturing process. In my article I walked th

8 min read

Benchtop

Ed Brorein 2021.05.14

At a high level, manufacturing for mainstream lithium ion cells is generally a well-established process. But, like many things, it is increasingly “all in the details” in the manufacturing process whe

17 min read

Benchtop

Ed Brorein 2021.01.08

I was set to present a topic in person at the Novi Battery Conference in September, in Novi, Michigan. Things were looking good up until mid-August, and then the live event was finally cancelled due t

5 min read

Benchtop

Ed Brorein 2020.07.15

Testing self-discharge of lithium ion cells has been discussed extensively here through several posts for good reason; it is a critical parameter that all cells need to be tested for during manufactur

12 min read

#Manufacturing Test #Automotive + Energy

Ed Brorein

Lithium-Ion Cell Charging and Discharging During Life Cycle Testing Versus Formation

A Deeper Look at Lithium-Ion Cell Internal Resistance Measurements

Consider Adding a Pre-Charge Step to Your Lithium-Ion Cell Manufacturing Process

The ABCs of Lithium Ion Cell Manufacturing

Achieving valid self-discharge measurements: How external factors impact results

Determining the boundary line between normal versus excessive self-discharge on lithium ion cells