ELECTRODE HAVING ELECTRICALLY ACTIVATED MATRIX
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United States of America Patent
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Issued Date -
Jun 22, 2017
app pub date -
Dec 22, 2015
filing date -
Dec 22, 2015
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
Electrodes incorporate an electrically activated matrix into which active material is provided. The active material includes alloying particles, which, as used herein, are active catalyst particles that have a high lithium storage capacity resulting in large volume expansions during lithiation. The electrically activated matrix is activated during charging and discharging of the battery, and when activated, maintains the electrode structure and stability by expanding and contracting with the volume expansion and contraction of the alloying particles during lithiation and delithiation, respectively. The electrically activated matrix also reduces cracking and pulverization of the alloying particles, maintaining electrical conductivity between active materials, thereby maintaining battery energy density through the life of the battery.
First Claim
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