CN113785428A - 改善电池循环性能的方法和电子装置 - Google Patents

改善电池循环性能的方法和电子装置 Download PDF

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CN113785428A
CN113785428A CN202080009254.3A CN202080009254A CN113785428A CN 113785428 A CN113785428 A CN 113785428A CN 202080009254 A CN202080009254 A CN 202080009254A CN 113785428 A CN113785428 A CN 113785428A
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CN113785428B (zh
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贺俊
崔辉
郑强
方占召
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Ningde Amperex Technology Ltd
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Abstract

一种改善电池(10)循环性能的方法和一种电子装置(1)，所述方法应用于一电池(10)中，所述方法包括：(S21)在第一阶段，以第一阶段电流对所述电池(10)充电至第一阶段电压；(S22)在第二阶段，以第二阶段电流对所述电池(10)充电至第二阶段电压，所述第二阶段电压大于所述第一阶段电压，所述第二阶段电流小于所述第一阶段电流；其中，所述电池(10)包括含有有机溶剂的电解液，所述有机溶剂包括链状羧酸酯类化合物，所述链状羧酸酯类化合物与所述有机溶剂的重量百分比为10％‑70％。根据上述方法可以改善电池(10)的高温循环及存储性能。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202080009254.3A 2020-03-31 2020-03-31 改善电池循环性能的方法和电子装置 Active CN113785428B (zh)

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CN115820064B (zh) * 2022-01-27 2024-03-22 宁德时代新能源科技股份有限公司 涂料组合物、隔离膜、二次电池、电池模块、电池包和用电装置
CN117524328B (zh) * 2024-01-04 2024-04-02 北京金羽新材科技有限公司 一种基于预设成分的电解液模拟分析方法、装置、设备及介质

Citations (6)

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CN103078141A (zh) * 2013-01-25 2013-05-01 宁德新能源科技有限公司 锂离子二次电池及其电解液
CN104934636A (zh) * 2015-06-17 2015-09-23 宁德时代新能源科技有限公司 电解液以及包含该电解液的锂离子电池
CN105576283A (zh) * 2016-02-03 2016-05-11 东莞市凯欣电池材料有限公司 一种兼顾高低温性能的高电压电解液及使用该电解液的锂离子电池
EP3419096A1 (en) * 2017-06-23 2018-12-26 Contemporary Amperex Technology Co., Limited Electrolyte and and lithium-ion battery
CN110098646A (zh) * 2018-01-31 2019-08-06 宁德新能源科技有限公司 充电方法、充电装置、终端及可读存储介质
CN209418618U (zh) * 2018-12-28 2019-09-20 佛山市实达科技有限公司 一种锂离子电池隔膜

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CN106207261B (zh) * 2015-05-25 2021-01-15 松下知识产权经营株式会社 电解液及电池

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103078141A (zh) * 2013-01-25 2013-05-01 宁德新能源科技有限公司 锂离子二次电池及其电解液
CN104934636A (zh) * 2015-06-17 2015-09-23 宁德时代新能源科技有限公司 电解液以及包含该电解液的锂离子电池
CN105576283A (zh) * 2016-02-03 2016-05-11 东莞市凯欣电池材料有限公司 一种兼顾高低温性能的高电压电解液及使用该电解液的锂离子电池
EP3419096A1 (en) * 2017-06-23 2018-12-26 Contemporary Amperex Technology Co., Limited Electrolyte and and lithium-ion battery
CN110098646A (zh) * 2018-01-31 2019-08-06 宁德新能源科技有限公司 充电方法、充电装置、终端及可读存储介质
CN209418618U (zh) * 2018-12-28 2019-09-20 佛山市实达科技有限公司 一种锂离子电池隔膜

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