CN110361660A - The reversible loss quantitative detecting method of lithium battery - Google Patents
The reversible loss quantitative detecting method of lithium battery Download PDFInfo
- Publication number
- CN110361660A CN110361660A CN201810308822.4A CN201810308822A CN110361660A CN 110361660 A CN110361660 A CN 110361660A CN 201810308822 A CN201810308822 A CN 201810308822A CN 110361660 A CN110361660 A CN 110361660A
- Authority
- CN
- China
- Prior art keywords
- voltage
- lithium battery
- time
- lithium
- detecting method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
-
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of reversible loss quantitative detecting methods of lithium battery, it include: that the time S1 and lithium content initial content P that discharge into voltage V2 when lithium battery uses for the first time from voltage V1 are obtained in the environment of temperature T, wherein, pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage V1 equal to the 85% of voltage rating；The time S2 that lithium battery discharges into voltage V2 from voltage V1 is obtained when calibrating equally in the environment of temperature T；According to time S1, time S2, lithium content initial content P computed losses.Pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage V1 equal to the 85% of voltage rating, can effectively improve the accuracy of Data Detection.
Description
Technical field
The present invention relates to battery detecting technical fields, and in particular to a kind of reversible loss quantitative detecting method of lithium battery.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that lithium ion battery, which is a kind of,.
Due to its energy density is high, specific power is big, have extended cycle life the advantages that, be widely used to the production of the electronics such as mobile phone, plate at present
On product.
Although lithium ion battery has many protrusions a little, the capacity of battery and energy damage during recycling
Mistake is inevitable.In order to measure the reversible loss of lithium ion battery, it is " a kind of that application No. is 201410564161.3 patents
The quantitative detecting method of the reversible loss of lithium ion battery " provides a kind of detection method.This method is measured to loss
In the process, need to disassemble battery, and the lithium of extracting solution dissolution cathode.Using this kind of method, especially for mobile phone, flat-type
User's battery, it is cumbersome, and again using there are also problems.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of reversible loss quantitative detecting method of lithium battery.
The present invention is achieved through the following technical solutions:
The reversible loss quantitative detecting method of lithium battery, comprising:
A, the time S1 and lithium for discharging into voltage V2 when lithium battery uses for the first time from voltage V1 are obtained in the environment of temperature T
Content initial content P, wherein pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage V1 is equal to voltage rating
85%；
B, the time S2 that lithium battery discharges into voltage V2 from voltage V1 is obtained when examining and determine equally in the environment of temperature T；
C, according to time S1, time S2, lithium content initial content P computed losses.
This programme calculates the loss of battery according to the time for discharging into voltage V2 from voltage V1 and lithium content initial content P,
Method is simple, convenient for operation, and will not influence secondary use.Pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage
V1 equal to the 85% of voltage rating, can effectively improve the accuracy of Data Detection.
When discharging into voltage V2 from voltage V1, constant-current discharge is carried out with 0.01 to 0.05C multiplying power electric current.
When discharging into voltage V2 from voltage V1, constant-current discharge is carried out with 0.01 5C multiplying power electric current.
Computed losses in step C method particularly includes: P* (S2/S1).
Compared with prior art, the present invention having the following advantages and benefits:
The present invention calculates the loss of battery according to the time for discharging into voltage V2 from voltage V1 and lithium content initial content P,
Method is simple, convenient for operation, and will not influence secondary use.Pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage
V1 equal to the 85% of voltage rating, can effectively improve the accuracy of Data Detection.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment, the present invention is made
Further to be described in detail, exemplary embodiment of the invention and its explanation for explaining only the invention, are not intended as to this
The restriction of invention.
Embodiment 1
The reversible loss quantitative detecting method of lithium battery, comprising:
A, the time S1 and lithium for discharging into voltage V2 when lithium battery uses for the first time from voltage V1 are obtained in the environment of temperature T
Content initial content P, wherein pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage V1 is equal to voltage rating
85%；
B, the time S2 that lithium battery discharges into voltage V2 from voltage V1 is obtained when examining and determine equally in the environment of temperature T；
C, according to time S1, time S2, lithium content initial content P computed losses.
This programme calculates the loss of battery according to the time for discharging into voltage V2 from voltage V1 and lithium content initial content P,
Method is simple, convenient for operation, and will not influence secondary use.Pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage
V1 equal to the 85% of voltage rating, can effectively improve the accuracy of Data Detection.
Embodiment 2
The present embodiment acts on optimization on the basis of the above embodiments, i.e., when discharging into voltage V2 from voltage V1, with 0.01
Constant-current discharge is carried out to 0.05C multiplying power electric current.
When laboratory data shows to discharge into voltage V2 from voltage V1, constant-current discharge is carried out with 0.01 5C multiplying power electric current.
Computed losses in step C method particularly includes: P* (S2/S1).
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (4)
1. the reversible loss quantitative detecting method of lithium battery characterized by comprising
A, the time S1 and lithium content for discharging into voltage V2 when lithium battery uses for the first time from voltage V1 are obtained in the environment of temperature T
Initial content P, wherein pressure value difference between voltage V1 and voltage V2 is 0.2V, and voltage V1 equal to the 85% of voltage rating；
B, the time S2 that lithium battery discharges into voltage V2 from voltage V1 is obtained when examining and determine equally in the environment of temperature T；
C, according to time S1, time S2, lithium content initial content P computed losses.
2. the reversible loss quantitative detecting method of lithium battery according to claim 1, which is characterized in that discharged into from voltage V1
When voltage V2, constant-current discharge is carried out with 0.01 to 0.05C multiplying power electric current.
3. the reversible loss quantitative detecting method of lithium battery according to claim 2, which is characterized in that discharged into from voltage V1
When voltage V2, constant-current discharge is carried out with 0.01 5C multiplying power electric current.
4. the reversible loss quantitative detecting method of lithium battery according to claim 1, which is characterized in that calculate damage in step C
Consumption method particularly includes: P* (S2/S1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308822.4A CN110361660A (en) | 2018-04-09 | 2018-04-09 | The reversible loss quantitative detecting method of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308822.4A CN110361660A (en) | 2018-04-09 | 2018-04-09 | The reversible loss quantitative detecting method of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110361660A true CN110361660A (en) | 2019-10-22 |
Family
ID=68213485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810308822.4A Withdrawn CN110361660A (en) | 2018-04-09 | 2018-04-09 | The reversible loss quantitative detecting method of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110361660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007413A (en) * | 2019-11-22 | 2020-04-14 | 天津力神电池股份有限公司 | Method for evaluating reversibility of capacity loss in lithium ion battery storage process |
| CN114184964A (en) * | 2021-12-08 | 2022-03-15 | 蜂巢能源科技(无锡)有限公司 | Method and device for evaluating temperature distribution inside battery cell |
-
2018
- 2018-04-09 CN CN201810308822.4A patent/CN110361660A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007413A (en) * | 2019-11-22 | 2020-04-14 | 天津力神电池股份有限公司 | Method for evaluating reversibility of capacity loss in lithium ion battery storage process |
| CN111007413B (en) * | 2019-11-22 | 2021-10-26 | 天津力神电池股份有限公司 | Method for evaluating capacity loss in storage process of lithium ion battery |
| CN114184964A (en) * | 2021-12-08 | 2022-03-15 | 蜂巢能源科技(无锡)有限公司 | Method and device for evaluating temperature distribution inside battery cell |
| CN114184964B (en) * | 2021-12-08 | 2023-08-29 | 蜂巢能源科技(无锡)有限公司 | Method and device for evaluating internal temperature distribution of battery cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105589038B (en) | A kind of quantitative detecting method of lithium ion battery reversible lithium loss | |
| Rudola et al. | A new phenomenon in sodium batteries: Voltage step due to solvent interaction | |
| Busche et al. | Systematical electrochemical study on the parasitic shuttle-effect in lithium-sulfur-cells at different temperatures and different rates | |
| CN104111377B (en) | Method for measuring DC (Direct Current) internal resistance of secondary battery in different charge states | |
| CN110061315A (en) | A kind of lithium ion battery fast charge method | |
| CN105467328B (en) | A kind of charge states of lithium ion battery method of estimation | |
| CN112331947B (en) | Lithium battery discharging method in lithium battery recycling and disassembling process | |
| US20150234014A1 (en) | Charge control and termination of lithium sulfur cells and fuel gauging systems and methods | |
| CN105510836B (en) | A kind of lithium ion battery self discharge test method and its battery grouping method | |
| Park et al. | The effect of internal resistance on dendritic growth on lithium metal electrodes in the lithium secondary batteries | |
| CN103378372A (en) | Method for placing and aging lithium ion battery | |
| CN103746142B (en) | Gel electrolyte for lithium ion secondary battery and preparation method of gel electrolyte | |
| CN103682510B (en) | For electrolyte and the charging method of waste lithium cell electric discharge | |
| CN110391474B (en) | Discharging method of waste lithium ion battery | |
| US20220190626A1 (en) | Charging control method and charging control apparatus | |
| CN102891341A (en) | Lithium iron phosphate battery formation and aging method | |
| CN106997960A (en) | A kind of chemical conversion of lithium ion battery, partial volume method | |
| CN110161417A (en) | Lithium ion battery lithium analysis quantitative analysis method based on three-electrode system | |
| CN110361660A (en) | The reversible loss quantitative detecting method of lithium battery | |
| CN107069133B (en) | A kind of method of lithium in recycling lithium cell cathode material | |
| CN102818998A (en) | Method for detecting analyzed lithium of lithium ion power battery | |
| CN109004288B (en) | Low-current disturbance circulation formation method near high SOC of lithium battery | |
| CN108110348A (en) | Formation method of lithium ion battery | |
| CN111722120B (en) | Method and system for evaluating reversible lithium consumption of lithium ion battery | |
| CN105895877A (en) | Preparation method of composite ternary cathode material coated by hydrophobic conductive powder material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191022 |