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公开(公告)号：US10886766B2
公开(公告)日：2021-01-05
申请号：US15965845
申请日：2018-04-28
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Fuping Luo , Shengwei Wang , Xinxin Du , Xin Fu
IPC: H01M10/44 , H02J7/00 , H01M10/0525 , G01R31/382 , H01M10/48
Abstract: A method, an apparatus and a device for charging a battery are provided. The method may include: defining a charging current In for an Nth charging stage of a charging process based on charging capability of the battery, wherein In Vn-1 and Vn is smaller than a theoretical charge cutoff voltage Vmax; in case that the N-1th charging stage is not a last charging stage, charging the battery with In-1 during the N-1th charging stage and proceeding to the Nth charging stage when a voltage across the battery reaches Vn-1; and in case that the N-1 th charging stage is the last charging stage, charging the battery with In-1 during the N-1th charging stage and stopping charging when the voltage across the battery reaches Vn-1.
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公开(公告)号：US20190097432A1
公开(公告)日：2019-03-28
申请号：US16134054
申请日：2018-09-18
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xinxin Du , Fuping Luo , Shengwei Wang , Xin Fu
Abstract: The present disclosure provides a method, apparatus, and device for charging a battery, and storage medium. The method for charging a battery includes acquiring a battery temperature; determining a charging current value In for the nth charging stage of the battery, according to the battery temperature and a mapping relationship between different temperature ranges and charging current values I, wherein a preset charging cut-off voltage value Vn for the nth charging stage is greater than Vn−1; charging the battery with Ij in the jth charging stage; acquiring a voltage value of the battery at the current time; if the voltage value is less than Vj, continuing to charge the battery with Ij; if the voltage value is not less than Vj and j
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公开(公告)号：US20180316206A1
公开(公告)日：2018-11-01
申请号：US15965845
申请日：2018-04-28
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Fuping LUO , Shengwei Wang , Xinxin Du , Xin Fu
IPC: H02J7/00 , G01R31/36 , H01M10/0525
Abstract: A method, an apparatus and a device for charging a battery are provided in the present disclosure. The method may include: defining a charging current In for an Nth charging stage of a charging process based on charging capability of the battery, wherein In Vn-1 and Vn is smaller than a theoretical charge cutoff voltage Vmax; in case that the N−1th charging stage is not a last charging stage, charging the battery with In-1 during the N−1th charging stage and proceeding to the Nth charging stage when a voltage across the battery reaches Vn-1; and in case that the N−1th charging stage is the last charging stage, charging the battery with In-1 during the N−1th charging stage and stopping charging when the voltage across the battery reaches Vn-1.
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公开(公告)号：US20180205236A1
公开(公告)日：2018-07-19
申请号：US15869318
申请日：2018-01-12
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xin Fu , Fuping Luo , Shengwei Wang
CPC classification number: H02J7/007 , H01M2/34 , H01M2/345 , H01M10/44 , H01M10/445 , H01M10/48 , H01M2200/00 , H01M2200/20 , H02J7/0077 , H02J7/0088
Abstract: A method, an apparatus and a system for controlling charging of a battery module are provided in the present disclosure. The method for controlling charging of the battery module may include: acquiring an internal pressure value of the battery module; determining a target pressure threshold range to which the acquired internal pressure value of the battery module belongs, based on a plurality of predefined pressure threshold ranges; obtaining a target charge cutoff voltage corresponding to the target pressure threshold range, based on a correspondence relationship between a plurality of predefined charge cutoff voltage and the plurality of predefined pressure threshold ranges; and controlling the battery module to be charged based on the obtained target charge cutoff voltage.
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Patent Agency Ranking
公开(公告)号：US10742058B2
公开(公告)日：2020-08-11
申请号：US16134054
申请日：2018-09-18
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xinxin Du , Fuping Luo , Shengwei Wang , Xin Fu
Abstract: The present disclosure provides a method, apparatus, and device for charging a battery, and storage medium. The method for charging a battery includes acquiring a battery temperature; determining a charging current value In for the nth charging stage of the battery, according to the battery temperature and a mapping relationship between different temperature ranges and charging current values I, wherein a preset charging cut-off voltage value Vn for the nth charging stage is greater than Vn−1; charging the battery with Ij in the jth charging stage; acquiring a voltage value of the battery at the current time; if the voltage value is less than Vj, continuing to charge the battery with Ij; if the voltage value is not less than Vj and j
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公开(公告)号：US11482876B2
公开(公告)日：2022-10-25
申请号：US17120453
申请日：2020-12-14
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xin Fu , Fuping Luo , Shengwei Wang
Abstract: A method, an apparatus and a system for controlling charging of a battery module are provided in the present disclosure. The method for controlling charging of the battery module may include: acquiring an internal pressure value of the battery module; determining a target pressure threshold range to which the acquired internal pressure value of the battery module belongs, based on a plurality of predefined pressure threshold ranges; obtaining a target charge cutoff voltage corresponding to the target pressure threshold range, based on a correspondence relationship between a plurality of predefined charge cutoff voltage and the plurality of predefined pressure threshold ranges; and controlling the battery module to be charged based on the obtained target charge cutoff voltage.
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公开(公告)号：US10965138B2
公开(公告)日：2021-03-30
申请号：US16919109
申请日：2020-07-02
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xinxin Du , Fuping Luo , Shengwei Wang , Xin Fu
Abstract: The present disclosure provides a method, apparatus, and device for charging a battery, and storage medium. The method for charging a battery includes acquiring a battery temperature; determining a charging current value In for the nth charging stage of the battery, according to the battery temperature and a mapping relationship between different temperature ranges and charging current values I, wherein a preset charging cut-off voltage value Vn for the nth charging stage is greater than Vn−1; charging the battery with Ij in the jth charging stage; acquiring a voltage value of the battery at the current time; if the voltage value is less than Vj, continuing to charge the battery with Ij; if the voltage value is not less than Vj and j
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公开(公告)号：US10910860B2
公开(公告)日：2021-02-02
申请号：US15869318
申请日：2018-01-12
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xin Fu , Fuping Luo , Shengwei Wang
Abstract: A method, an apparatus and a system for controlling charging of a battery module are provided in the present disclosure. The method for controlling charging of the battery module may include: acquiring an internal pressure value of the battery module; determining a target pressure threshold range to which the acquired internal pressure value of the battery module belongs, based on a plurality of predefined pressure threshold ranges; obtaining a target charge cutoff voltage corresponding to the target pressure threshold range, based on a correspondence relationship between a plurality of predefined charge cutoff voltage and the plurality of predefined pressure threshold ranges; and controlling the battery module to be charged based on the obtained target charge cutoff voltage.
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公开(公告)号：US20200335984A1
公开(公告)日：2020-10-22
申请号：US16919109
申请日：2020-07-02
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xinxin DU , Fuping Luo , Shengwei Wang , Xin Fu
Abstract: The present disclosure provides a method, apparatus, and device for charging a battery, and storage medium. The method for charging a battery includes acquiring a battery temperature; determining a charging current value In for the nth charging stage of the battery, according to the battery temperature and a mapping relationship between different temperature ranges and charging current values I, wherein a preset charging cut-off voltage value Vn for the nth charging stage is greater than Vn-1; charging the battery with Ij in the jth charging stage; acquiring a voltage value of the battery at the current time; if the voltage value is less than Vj, continuing to charge the battery with Ij; if the voltage value is not less than Vj and j
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