Rapid online solid-state battery diagnostics with optically pumped magnetometers

Yinan Hu; Geoffrey Z. Iwata; Lykourgos Bougas; John W. Blanchard; Arne Wickenbrock; Gerhard Jakob; Stephan Schwarz; Clemens Schwarzinger; Alexej Jerschow; Dmitry Budker

doi:10.3390/app10217864

Rapid online solid-state battery diagnostics with optically pumped magnetometers

Yinan Hu, Geoffrey Z. Iwata, Lykourgos Bougas, John W. Blanchard, Arne Wickenbrock, Gerhard Jakob, Stephan Schwarz, Clemens Schwarzinger, Alexej Jerschow, Dmitry Budker

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Solid-state battery technology is motivated by the desire to deliver flexible power storage in a safe and efficient manner. The increasingly widespread use of batteries from mass production facilities highlights the need for a rapid and sensitive diagnostic tool for identifying battery defects. We demonstrate the use of atomic magnetometry to measure the magnetic fields around miniature solid-state battery cells. These fields encode information about battery manufacturing defects, state of charge, and impurities, and they can provide important insights into battery aging processes. Compared with SQUID-based magnetometry, the availability of atomic magnetometers, however, highlights the possibility of constructing a low-cost, portable, and flexible implementation of battery quality control and characterization technology.

Original language	English (US)
Article number	7864
Pages (from-to)	1-8
Number of pages	8
Journal	Applied Sciences (Switzerland)
Volume	10
Issue number	21
DOIs	https://doi.org/10.3390/app10217864
State	Published - Nov 1 2020

Keywords

Atomic magnetometer
Magnetic susceptibility
Magnetization
Rapid online diagnostics
Solid-state battery

ASJC Scopus subject areas

General Materials Science
Instrumentation
General Engineering
Process Chemistry and Technology
Computer Science Applications
Fluid Flow and Transfer Processes

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10.3390/app10217864

Cite this

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title = "Rapid online solid-state battery diagnostics with optically pumped magnetometers",

abstract = "Solid-state battery technology is motivated by the desire to deliver flexible power storage in a safe and efficient manner. The increasingly widespread use of batteries from mass production facilities highlights the need for a rapid and sensitive diagnostic tool for identifying battery defects. We demonstrate the use of atomic magnetometry to measure the magnetic fields around miniature solid-state battery cells. These fields encode information about battery manufacturing defects, state of charge, and impurities, and they can provide important insights into battery aging processes. Compared with SQUID-based magnetometry, the availability of atomic magnetometers, however, highlights the possibility of constructing a low-cost, portable, and flexible implementation of battery quality control and characterization technology.",

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AU - Hu, Yinan

AU - Iwata, Geoffrey Z.

AU - Bougas, Lykourgos

AU - Blanchard, John W.

AU - Wickenbrock, Arne

AU - Jakob, Gerhard

AU - Schwarz, Stephan

AU - Schwarzinger, Clemens

AU - Jerschow, Alexej

AU - Budker, Dmitry

PY - 2020/11/1

Y1 - 2020/11/1

N2 - Solid-state battery technology is motivated by the desire to deliver flexible power storage in a safe and efficient manner. The increasingly widespread use of batteries from mass production facilities highlights the need for a rapid and sensitive diagnostic tool for identifying battery defects. We demonstrate the use of atomic magnetometry to measure the magnetic fields around miniature solid-state battery cells. These fields encode information about battery manufacturing defects, state of charge, and impurities, and they can provide important insights into battery aging processes. Compared with SQUID-based magnetometry, the availability of atomic magnetometers, however, highlights the possibility of constructing a low-cost, portable, and flexible implementation of battery quality control and characterization technology.

AB - Solid-state battery technology is motivated by the desire to deliver flexible power storage in a safe and efficient manner. The increasingly widespread use of batteries from mass production facilities highlights the need for a rapid and sensitive diagnostic tool for identifying battery defects. We demonstrate the use of atomic magnetometry to measure the magnetic fields around miniature solid-state battery cells. These fields encode information about battery manufacturing defects, state of charge, and impurities, and they can provide important insights into battery aging processes. Compared with SQUID-based magnetometry, the availability of atomic magnetometers, however, highlights the possibility of constructing a low-cost, portable, and flexible implementation of battery quality control and characterization technology.

KW - Atomic magnetometer

KW - Magnetic susceptibility

KW - Magnetization

KW - Rapid online diagnostics

KW - Solid-state battery

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Rapid online solid-state battery diagnostics with optically pumped magnetometers

Abstract

Keywords

ASJC Scopus subject areas

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