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1.发明申请公开(公告)号：US20250050863A1
公开(公告)日：2025-02-13
申请号：US18715764
申请日：2022-11-18
Applicant: RENAULT S.A.S.
Inventor： Cedric CHANTREL , Samuel CREGUT , Laure DAGOUSSET , Christian HIRON , Claude LEHONGRE , Michel MENSLER , Alessandro MONTI
Abstract: A method is for determining and resetting the state of charge of at least one battery of a hybrid vehicle including a first battery, a second battery and a heat engine. The method includes, during a standby phase of the vehicle, a first step of charging the first battery via the second battery, during which: (i) the first battery is charged; (ii) the value of its voltage is measured; (iii) the value of the voltage of the first battery is compared with a threshold voltage value corresponding to a maximum state of charge of the first battery; and (iv) when the threshold voltage value is reached, stopping the charging of the first battery, determining that it is in a maximum state of charge and setting a value of its state of charge to maximum state of charge, and otherwise continuing to charge.
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公开(公告)号：US20200166582A1
公开(公告)日：2020-05-28
申请号：US16626203
申请日：2018-07-17
Applicant: RENAULT s.a.s.
Inventor： Michel MENSLER , Bruno DELOBEL , Ana Lucia DRIEMEYER FRANCO , Benoit ARSAC , Masato ORIGUCHI
IPC: G01R31/396 , H02J7/00 , G01R31/392 , G01R31/3842
Abstract: Said method is used for detecting, in an electric storage battery (10) having a plurality of battery cells (1, 2, 3, 4), a self-discharge defect in a cell (1, 2, 3, 4), wherein: a charge balancing of the battery cells (1, 2, 3, 4) is at least partially carried out, a relaxation of the battery cells (1, 2, 3, 4) is performed, a charge balance during the balancing and relaxation (Σi) of said cell (i) is calculated for each battery cell (i), and any self-discharge defects of said cell (i) are detected for each battery cell (i) depending on the charge balance calculated for said cell (i) during the balancing and relaxation (Σi).
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