Prevention of lithium deposition in nonaqueous electrolyte cells by matching device usage to cell capacity
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United States of America Patent
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Issued Date -
Dec 6, 2007
app pub date -
Dec 9, 2004
filing date -
Dec 9, 2003
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Abstract
The prevention of lithium clusters from bridging between the negative and positive portions of a cell during discharge is described. This is done by matching the pulse-discharged capacity of a primary lithium cell powering a therapy device to one where should lithium clusters form, the total lithium cluster surface area will be less than the nominal gap distance between a positive polarity member and a negative polarity member.
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