CN107632012A - Determine boron, the method for zr element content in lithium ion battery material - Google Patents

Determine boron, the method for zr element content in lithium ion battery material Download PDF

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CN107632012A
CN107632012A CN201710860338.8A CN201710860338A CN107632012A CN 107632012 A CN107632012 A CN 107632012A CN 201710860338 A CN201710860338 A CN 201710860338A CN 107632012 A CN107632012 A CN 107632012A
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boron
zirconium
lithium ion
ion battery
solution
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黄国华
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Abstract

The invention discloses it is a kind of determine lithium ion battery material in boron, zr element content method, comprise the following steps:Sample pre-treatments;The preparation of mixed standard solution;Determine final result.The present invention will determine the content of boron, zr element after ternary cathode material of lithium ion battery Boron Coated, Zirconium oxide, this method simple and fast, accuracy of detection is high, is advantageous to the control of the modified effect of ternary cathode material of lithium ion battery.Wherein, sample easily loses compared with indissoluble solution, boron, zr element when dissolving, and the present invention solves the problems of dissolution of sample.

Description

Determine boron, the method for zr element content in lithium ion battery material
Technical field
The invention belongs to technical field of chemical detection, and in particular to boron, zr element in one kind measure lithium ion battery material The method of content.
Background technology
Lithium ion battery has the advantages that in light weight, small volume, capacity are big, had extended cycle life, memory-less effect, so as to quilt The mobile electronic devices such as mobile phone, notebook computer are widely applied to, while are also applied to artificial satellite, electric automobile, space flight The fields such as aviation.
Due to cation mixing phenomenon occurring during ternary cathode material of lithium ion battery high temperature crystallization, so as to go out The defects such as existing heat endurance difference and first charge-discharge efficiency are low.Currently in order to solve this problem, this is doped Boron Coated, The oxides such as zirconium further improve the chemical property of material with the structure of stabilizing material, not only increase the stability of material And high-temperature behavior, while the chemical property of material is also largely improved, particularly specific capacity and first charge-discharge are imitated Rate increases.
There is presently no boron, zirconium after the method for maturation measure ternary cathode material of lithium ion battery Boron Coated, Zirconium oxide The content of element.
The content of the invention
Goal of the invention:The present invention provides boron, the method for zr element content in a kind of measure lithium ion battery material, wherein, Sample easily loses compared with indissoluble solution, boron, zr element when dissolving, and the present invention solves the problems of dissolution of sample.
Technical scheme:Boron, the method for zr element content, comprise the following steps in a kind of measure lithium ion battery material:
1), sample pre-treatments:
0.2g samples accurately are weighed in high-pressure sample dissolving tank, add a small amount of distilled water to soak, and are added hydrochloric acid (1+1) 3ml, are tightened High-pressure sample dissolving tank, it is put into 150 DEG C of baking ovens and is kept for 2 hours, taking-up is cooled to room temperature, and solution is transferred in 100ml volumetric flasks, high Pure water constant volume;
2), the preparation of mixed standard solution:
A. above-mentioned standard boron, zirconium solution 10mL are accurately pipetted respectively in 100mL volumetric flasks, and high purity water constant volume, medium is 2% hydrochloric acid, boron, zirconium concentration are 100 μ g/mL;
B. pipette 0 respectively, 1,2,4mL above-mentioned standards solution in 4 100mL volumetric flasks, high purity water constant volume, medium is 2% hydrochloric acid, boron, zirconium concentration are respectively 0,1,2,4 μ g/mL;3) final result, is determined:
Start, boron, zirconium mixed standard solution are determined first after waiting instrument stabilizer, inputted in instrumentation software related Coefficient, instrument draw standard curve and calculate final result according to standard curve automatically.
As optimization:The instrument is U.S.'s thermoelectricity iCAP6300 type inductively coupled plasma atomic emission spectrometry instrument;Instrument Device running parameter is:0.60~0.65MPa of argon pressure, 1000~1200W of RF power, 0.4~0.6L/min of secondary air amount, Vertical Observation height 15.0mm, 0.2~0.3Mpa of atomization air pressure, select suitable boron, zirconium wavelength.
Beneficial effect:The present invention will determine boron, zr element after ternary cathode material of lithium ion battery Boron Coated, Zirconium oxide Content, this method simple and fast, accuracy of detection is high, is advantageous to the control of the modified effect of ternary cathode material of lithium ion battery System.Wherein, sample easily loses compared with indissoluble solution, boron, zr element when dissolving, and the present invention solves the problems of dissolution of sample.
Embodiment
With reference to specific embodiment, the present invention will be described in detail.
Specific embodiment:
Boron, the method for zr element content, comprise the following steps in a kind of measure lithium ion battery material:
1), sample pre-treatments:
0.2g samples accurately are weighed in high-pressure sample dissolving tank, add a small amount of distilled water to soak, and are added hydrochloric acid (1+1) 3ml, are tightened High-pressure sample dissolving tank, it is put into 150 DEG C of baking ovens and is kept for 2 hours, taking-up is cooled to room temperature, and solution is transferred in 100ml volumetric flasks, high Pure water constant volume;
2), the preparation of mixed standard solution:
Boron used, zirconium standard liquid are the μ g/mL of ρ=1000;
A. above-mentioned standard boron, zirconium solution 10mL are accurately pipetted respectively in 100mL volumetric flasks, and high purity water constant volume, medium is 2% hydrochloric acid, boron, zirconium concentration are 100 μ g/mL;
B. pipette 0 respectively, 1,2,4mL above-mentioned standards solution in 4 100mL volumetric flasks, high purity water constant volume, medium is 2% hydrochloric acid, boron, zirconium concentration are respectively 0,1,2,4 μ g/mL;
3) final result, is determined:
Start, boron, zirconium mixed standard solution are determined first after waiting instrument stabilizer, inputted in instrumentation software related Coefficient, instrument draw standard curve and calculate final result according to standard curve automatically.The instrument is U.S.'s thermoelectricity ICAP6300 type inductively coupled plasma atomic emission spectrometry instrument;Instrument working parameter is:
It is 0.60~0.65MPa of argon pressure, 1000~1200W of RF power, 0.4~0.6L/min of secondary air amount, vertical Observed altitude 15.0mm, 0.2~0.3Mpa of atomization air pressure, it is boron 249.773nm, zirconium 267.863nm to select wavelength.
In order to better illustrate advantages of the present invention, several groups of detection data of method provided by the invention are given below:
The group measurement result of table more than 1
The each element detection limit of table 2
The each element range of linearity of table 3
The each sample recovery of standard addition of table 4
The present invention will determine the content of boron, zr element after ternary cathode material of lithium ion battery Boron Coated, Zirconium oxide, this Method simple and fast, accuracy of detection is high, is advantageous to the control of the modified effect of ternary cathode material of lithium ion battery.Wherein, sample Product easily lose compared with indissoluble solution, boron, zr element when dissolving, and the present invention solves the problems of dissolution of sample.

Claims (2)

1. boron, the method for zr element content in a kind of measure lithium ion battery material, it is characterised in that:Comprise the following steps:
1), sample pre-treatments:
0.2g samples accurately are weighed in high-pressure sample dissolving tank, add a small amount of distilled water to soak, and are added hydrochloric acid (1+1) 3ml, are tightened high pressure Sample-dissolving pot, it is put into 150 DEG C of baking ovens and is kept for 2 hours, taking-up is cooled to room temperature, solution is transferred in 100ml volumetric flasks, high purity water Constant volume;
2), the preparation of mixed standard solution:
Boron used, zirconium standard liquid are the μ g/mL of ρ=1000;
A. above-mentioned standard boron, zirconium solution 10mL are accurately pipetted respectively in 100mL volumetric flasks, and high purity water constant volume, medium is 2% Hydrochloric acid, boron, zirconium concentration are 100 μ g/mL;
B. pipette 0 respectively, 1,2,4mL above-mentioned standards solution in 4 100mL volumetric flasks, high purity water constant volume, medium is 2% Hydrochloric acid, boron, zirconium concentration are respectively 0,1,2,4 μ g/mL;
3) final result, is determined:
Start, boron, zirconium mixed standard solution are determined first after waiting instrument stabilizer, phase relation is inputted in instrumentation software Number, instrument draw standard curve and calculate final result according to standard curve automatically.
2. boron, the method for zr element content in measure lithium ion battery material according to claim 1, it is characterised in that: The instrument is U.S.'s thermoelectricity iCAP6300 type inductively coupled plasma atomic emission spectrometry instrument;Instrument working parameter is:Argon gas 0.60~0.65MPa of pressure, 1000~1200W of RF power, 0.4~0.6L/min of secondary air amount, Vertical Observation height 15.0mm, 0.2~0.3Mpa of atomization air pressure, select suitable boron, zirconium wavelength.
CN201710860338.8A 2017-09-21 2017-09-21 Determine boron, the method for zr element content in lithium ion battery material Pending CN107632012A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108549789A (en) * 2018-04-19 2018-09-18 中南大学 A kind of integrated modelling approach of tertiary cathode material feed proportioning system
CN113155811A (en) * 2021-03-24 2021-07-23 天津巴莫科技有限责任公司 Method for measuring content of zirconium element in lithium ion battery anode material
CN114486775A (en) * 2021-12-31 2022-05-13 合肥国轩高科动力能源有限公司 Method for measuring boron doped in nickel-cobalt-manganese ternary positive electrode material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101303307A (en) * 2008-07-08 2008-11-12 株洲硬质合金集团有限公司 Analyses testing method of aluminum, calcium, iron, molybdenum, niobium, titanium, tungsten impurity elements in chromium carbide
CN103712974A (en) * 2014-01-14 2014-04-09 河南科技学院 Method for treating lithium ion battery diaphragm and simultaneously measuring contained metal elements
CN103884571A (en) * 2014-04-11 2014-06-25 深圳市德方纳米科技有限公司 Method for testing content of magnetic substances in lithium ion battery anode material
CN106596519A (en) * 2016-12-12 2017-04-26 中核北方核燃料元件有限公司 Method for determining boron content of zirconium diboride

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101303307A (en) * 2008-07-08 2008-11-12 株洲硬质合金集团有限公司 Analyses testing method of aluminum, calcium, iron, molybdenum, niobium, titanium, tungsten impurity elements in chromium carbide
CN103712974A (en) * 2014-01-14 2014-04-09 河南科技学院 Method for treating lithium ion battery diaphragm and simultaneously measuring contained metal elements
CN103884571A (en) * 2014-04-11 2014-06-25 深圳市德方纳米科技有限公司 Method for testing content of magnetic substances in lithium ion battery anode material
CN106596519A (en) * 2016-12-12 2017-04-26 中核北方核燃料元件有限公司 Method for determining boron content of zirconium diboride

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
欧阳曦 等: ""电感耦合等离子体原子发射光谱法测定锂离子电池三元正极材料LiNi1-x-yCoxMnyO2中钠"", 《冶金分析》 *
王锋 等: "《现代仪器分析》", 31 July 2010, 北京:中国轻工业出版社 *
蒋苏琼 等: ""ICP-AES测定铝-钛-硼合金中的16种元素"", 《光谱实验室》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108549789A (en) * 2018-04-19 2018-09-18 中南大学 A kind of integrated modelling approach of tertiary cathode material feed proportioning system
CN108549789B (en) * 2018-04-19 2021-08-03 中南大学 Integrated modeling method for ternary cathode material batching system
CN113155811A (en) * 2021-03-24 2021-07-23 天津巴莫科技有限责任公司 Method for measuring content of zirconium element in lithium ion battery anode material
CN114486775A (en) * 2021-12-31 2022-05-13 合肥国轩高科动力能源有限公司 Method for measuring boron doped in nickel-cobalt-manganese ternary positive electrode material

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