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Ed Brorein

Application Specialist

Ed is currently an applications specialist with Keysight’s Automotive and Energy Solutions Group. Ed has served in a variety of roles in R&D, manufacturing, and marketing during his 40 years with HP, Agilent, and now Keysight.

Benchtop

A Deeper Look at Lithium-Ion Cell Internal Resistance Measurements

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

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

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

The ABCs of Lithium Ion Cell Manufacturing

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

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

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

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

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

Benchtop

Shortening Lithium Ion Cell Manufacturing Time: A Comparative Study of Two Methods of Making Self-Discharge Measurements

Ed Brorein 2020.06.03

Last year at The Battery Show Conference in Novi Michigan, I presented this topic I prepared; “Shortening Lithium Ion Cell Manufacturing Time: A Comparative Study of Two Methods of Making Self-Dischar

10 min read

#Automotive + Energy #Manufacturing Test

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