CN111033930A - 电池和电池包的荷电状态的估计方法及利用此荷电状态估计方法的电池管理系统、电池以及电动汽车 - Google Patents
电池和电池包的荷电状态的估计方法及利用此荷电状态估计方法的电池管理系统、电池以及电动汽车 Download PDFInfo
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- CN111033930A CN111033930A CN201780094160.9A CN201780094160A CN111033930A CN 111033930 A CN111033930 A CN 111033930A CN 201780094160 A CN201780094160 A CN 201780094160A CN 111033930 A CN111033930 A CN 111033930A
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- battery
- recording
- terminal voltage
- charge
- circuit voltage
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- 238000000034 method Methods 0.000 title claims abstract description 97
- 238000004364 calculation method Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims description 55
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000032683 aging Effects 0.000 description 4
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 4
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 description 2
- 238000010420 art technique Methods 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Abstract
本发明提供了一种电池的荷电状态的估计方法，包括监视电池的电流；当电流为0时，记录所述电池的端电压；建立与任意连续的两个记录时间分别对应的两个端电压之间的关系模型；利用递推最小二乘法计算得出开路电压；并根据开路电压确定电池的荷电状态。本发明还提供了一种电池组的荷电状态的估计方法，以及利用该些估计方法的电池管理系统、电池以及电动汽车。本发明的方案具有等待时间短、估计精度高、计算复杂度低、应用容易以及无需额外硬件等优点。
Description
PCT国内申请，说明书已公开。
Claims (16)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/098780 WO2019037012A1 (zh) | 2017-08-24 | 2017-08-24 | 电池和电池包的荷电状态的估计方法及利用此荷电状态估计方法的电池管理系统、电池以及电动汽车 |
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| Publication Number | Publication Date |
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| CN111033930A true CN111033930A (zh) | 2020-04-17 |
| CN111033930B CN111033930B (zh) | 2024-03-05 |
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Country Status (2)
| Country | Link |
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| CN (1) | CN111033930B (zh) |
| WO (1) | WO2019037012A1 (zh) |
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| FR3130038B1 (fr) | 2021-12-08 | 2024-01-19 | Renault Sas | Procede de determination et de recalage de l’etat de charge des batteries d’un vehicule hybride |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015188610A1 (zh) * | 2014-06-11 | 2015-12-17 | 北京交通大学 | 电池荷电状态估算方法和装置 |
| CN105301509A (zh) * | 2015-11-12 | 2016-02-03 | 清华大学 | 锂离子电池荷电状态、健康状态与功率状态的联合估计方法 |
| CN105391107A (zh) * | 2014-08-29 | 2016-03-09 | 福特全球技术公司 | 用于电池荷电状态估计的方法 |
| CN106054080A (zh) * | 2016-06-06 | 2016-10-26 | 电子科技大学 | 一种动力电池荷电状态与健康状态的联合估计方法 |
| CN106597291A (zh) * | 2016-10-11 | 2017-04-26 | 深圳市沃特玛电池有限公司 | 在线估算电池参数的方法 |
| CN107064811A (zh) * | 2017-03-01 | 2017-08-18 | 华南理工大学 | 一种锂电池soc在线估计方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102246385B (zh) * | 2008-10-10 | 2015-07-29 | 艾默吉电力系统股份有限公司 | 用于确定电池的荷电状态的方法和设备 |
| CN105467328B (zh) * | 2015-12-29 | 2018-07-03 | 哈尔滨工业大学 | 一种锂离子电池荷电状态估计方法 |
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- 2017-08-24 CN CN201780094160.9A patent/CN111033930B/zh active Active
- 2017-08-24 WO PCT/CN2017/098780 patent/WO2019037012A1/zh active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015188610A1 (zh) * | 2014-06-11 | 2015-12-17 | 北京交通大学 | 电池荷电状态估算方法和装置 |
| CN105391107A (zh) * | 2014-08-29 | 2016-03-09 | 福特全球技术公司 | 用于电池荷电状态估计的方法 |
| CN105301509A (zh) * | 2015-11-12 | 2016-02-03 | 清华大学 | 锂离子电池荷电状态、健康状态与功率状态的联合估计方法 |
| CN106054080A (zh) * | 2016-06-06 | 2016-10-26 | 电子科技大学 | 一种动力电池荷电状态与健康状态的联合估计方法 |
| CN106597291A (zh) * | 2016-10-11 | 2017-04-26 | 深圳市沃特玛电池有限公司 | 在线估算电池参数的方法 |
| CN107064811A (zh) * | 2017-03-01 | 2017-08-18 | 华南理工大学 | 一种锂电池soc在线估计方法 |
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| Publication number | Publication date |
|---|---|
| CN111033930B (zh) | 2024-03-05 |
| WO2019037012A1 (zh) | 2019-02-28 |
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