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公开(公告)号：US20220190394A1
公开(公告)日：2022-06-16
申请号：US17119824
申请日：2020-12-11
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Dorel M. SALA , Mahmoud ABD ELHAMID , Dave G. RICH
Abstract: The present disclosure pertains to motion-generating particles for desulfation of lead-acid batteries, lead-acid batteries including such motion-generating particles, and methods of making and using the same. For example, the present disclosure provides a lead-acid battery including one or more electroactive plates disposed within a casing; an electrolyte disposed within the casing and surrounding the electroactive plates; a plurality of ferromagnetic particles disposed with the electrolyte within the casing; and one or more electromagnets. The one or more electromagnets may be configured to direct a magnetic field towards the electrolyte to selectively cause movement of the plurality of ferromagnetic particles so as to agitate the electrolyte.
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公开(公告)号：US20210218048A1
公开(公告)日：2021-07-15
申请号：US16743699
申请日：2020-01-15
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Fang DAI , Hongliang WANG , Mahmoud ABD ELHAMID , Shuru CHEN , Mei CAI
Abstract: A battery that cycles lithium ions includes at least one first monopolar electrode having a first polarity and having a first tab and at least one second monopolar electrode having a second polarity opposite to the first polarity and a second tab. The first tab and the second tab are in direct electrical communication with an external circuit. At least one bipolar electrode is disposed between and electrically insulated from the first monopolar electrode and the second monopolar electrode, wherein a first side of the bipolar electrode has the first polarity and a second side of the bipolar electrode has the second polarity. The battery thus comprises at least one first unit cell connected in parallel and at least one second unit cell connected in series.
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