Battery cell design for preventing internal short circuits from occurring and propagating using positive temperature coefficient (PTC) materials
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United States of America Patent
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Apr 11, 2023
Grant Date -
Jul 23, 2020
app pub date -
Apr 6, 2020
filing date -
Mar 20, 2017
priority date (Note) -
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Abstract
A battery and related methods are described. The battery can include a plurality of battery cell segments. Each of the battery cell segments can include: a positive temperature coefficient (PTC) material whose resistance increases with temperature, an anode segment, a cathode segment, and one or more current limiters. The one or more current limiters of a battery cell segment are configured to conditionally electrically isolate the battery cell segment based on an occurrence of a short circuit within the battery cell segment. The battery can be used to store electrical power and/or provide electrical power to a load.
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