CN101237040A - A Se indium copper anode material for lithium ion battery and its making method - Google Patents

A Se indium copper anode material for lithium ion battery and its making method Download PDF

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Publication number
CN101237040A
CN101237040A CNA2008100325012A CN200810032501A CN101237040A CN 101237040 A CN101237040 A CN 101237040A CN A2008100325012 A CNA2008100325012 A CN A2008100325012A CN 200810032501 A CN200810032501 A CN 200810032501A CN 101237040 A CN101237040 A CN 101237040A
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ion battery
powder
lithium ion
anode material
copper
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CN101237040B (en
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薛明哲
傅正文
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Fudan University
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Fudan University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention belongs to the electrochemistry technical field, in particular to a copper indium diselenide anode material applied on a Li-ion battery and a method for preparing the same. The material is membrane and is prepared and obtained by reaction pulse laser deposition method. Electrodes prepared with the membrane have sound charging and discharging cycling reversibility and the reversible specific capacity of the electrodes prepared with copper indium diselenide membrane is around five hundred and fifty five mAh/g. the electrode still has the capacity of four hundred and thirty eight mAh/g after one hundred times of cycles. The copper indium diselenide electrode material is good in chemical stability, high in specific capacity, simple in preparation method and is applicable to Li-ion battery.

Description

A kind of Se indium copper anode material that is used for lithium ion battery and preparation method thereof
Technical field
The invention belongs to technical field of electrochemistry, be specifically related to a class and be used for anode material of lithium ion battery and preparation method thereof.
Background technology
Lithium ion battery is the vital power supply of notebook computer, camera, mobile phone and other Communication Equipment, and might be used for automobile and other vehicles as green energy resource.At present commercially available lithium ion battery is mainly by carbon-based anode material, and liquid organic electrolyte is formed with the transition metal oxide cathode material that contains lithium.In order further to improve the performance of lithium ion battery, people study, seek than the better novel anode material of carbon-based anode material performance.In addition, along with the miniaturization of microelectronic component, the lithium ion battery that an urgent demand exploitation is complementary therewith, for example film lithium ion battery etc.
Summary of the invention
The objective of the invention is to propose well behaved lithium ion battery anode material of a class and preparation method thereof.
The lithium ion battery anode material that the present invention proposes is a kind of copper indium diselenide (CuInSe with orthohormbic structure 2) material.Show that after deliberation this type of material has good electrochemical, can be used as the anode material of high performance lithium ion battery.So far not about copper indium diselenide (CuInSe 2) material is as the report of lithium ion battery anode material.
The copper indium diselenide (CuInSe that the present invention proposes as lithium ion battery anode material 2) be form of film, the thickness of its thin-film material is 0.2-1 μ m.
The invention allows for the preparation method of aforementioned lithium ion battery anode material, specifically be described below:
Copper indium diselenide (CuInSe as lithium ion battery anode material 2) film can adopt the preparation of reactive pulsed laser deposition, concrete steps are: compressing tablet after copper powder, indium powder and the selenium powder ground and mixed is made the used target of pulsed laser deposition, wherein the amount of substance of indium powder be copper powder 0.7-1.3 doubly, the amount of substance of selenium powder is 2.5-5 a times of copper powder, the 1064nm fundamental frequency that is produced by neodymium-doped yttrium pyralspite laser obtains the 355nm pulse laser behind frequency tripling, laser beam is through inciding after the lens focus on the above-mentioned target, the distance of target and substrate is 25-50mm, and deposition obtains copper indium diselenide (CuInSe on substrate in argon gas atmosphere 2) film, substrate can adopt stainless steel substrates, platinized platinum and gold-plated monocrystalline silicon piece, and substrate temperature is 200-400 ℃.The depositing of thin film time is required to determine by film thickness, was generally 0.2-1.0 hour.Film thickness can be measured by ESEM, and the weight of film is made difference according to substrate weight before and after the electronic balance weighing experiment and obtained.
Among the present invention, copper indium diselenide (CuInSe 2) crystal structure of film determined by x-ray diffractometer (Bruker D8 Advance).X-ray diffracting spectrum shows the copper indium diselenide (CuInSe that is made by pulse laser reactive deposition method 2) film is the polycrystalline tetragonal.Measure by ESEM (Philips XL30) and to show, the copper indium diselenide (CuInSe that makes by pulse laser reactive deposition method 2) film surface is made up of nano particle, the average grain diameter of particle is about 100nm.
Among the present invention, copper indium diselenide (CuInSe 2) film can directly make the lithium ion cell film electrode.
Among the present invention, copper indium diselenide (CuInSe 2) electrochemical property test of membrane electrode adopts the battery system of being made up of three electrodes, wherein, copper indium diselenide (CuInSe 2) film is as work electrode, the high purity lithium sheet is used separately as to electrode and reference electrode.Electrolyte is 1M LiPF 6+ EC+DMC (V/V=1/1).Battery is assemblied in the drying box of applying argon gas and carries out.The experiment that discharges and recharges of battery is carried out on blue electricity (Land) battery test system.
Among the present invention, the copper indium diselenide (CuInSe that on substrates such as stainless steel substrates, makes by the pulse laser reactive deposition processes 2) membrane electrode all has charge-discharge performance, the discharge platform of exoelectrical reaction for the first time comprises 1.99,1.47,1.31,4 platforms at 1.20V place and the platform of an inclination that is lower than 0.70V be (with respect to Li +/ Li), for the second time discharge process with the first time discharge process compare, irreversible discharge capacity loss is 14%, at voltage range 0.01-2.5V and current density 5 μ A/cm 2The time, copper indium diselenide (CuInSe 2) membrane electrode specific capacity preceding 100 times the circulation in remain on 438~647mAh/g.
Above-mentioned performance shows, copper indium diselenide (CuInSe 2) be the novel anode material of a class, can be applicable to lithium ion battery.
Description of drawings
Fig. 1 is the XRD spectra of copper indium diselenide film.The diffraction maximum of stainless steel substrate represented in asterisk among the figure, and in the bracket is the crystal face indexes of diffraction maximum.
Embodiment
Adopt reactive pulsed laser deposition to prepare copper indium diselenide (CuInSe 2) film, color is a black.During preparation, in the hybrid target, the amount of substance of indium powder is 1 times of copper powder, the amount of substance of selenium powder is 2.5 times of copper powder, adopt stainless steel substrates as substrate, the distance of substrate and target is 40mm, and substrate temperature is 250 ℃, the fundamental frequency that is produced by the Nd:YAG laser produces the 355nm pulse laser through frequency tripling, on the hybrid target of laser beam through inciding copper powder, indium powder and selenium powder after the lens focus.Energy density is 2Jcm -2, sedimentation time is 0.5 hour.
X-ray diffraction is measured and is shown that the film of deposition is the copper indium diselenide (CuInSe of polycrystal cubic structure 2) (accompanying drawing 1).Show the copper indium diselenide (CuInSe that makes by the pulse laser reactive deposition by stereoscan photograph mensuration 2) film surface is made up of nano particle, the average grain diameter of particle is about 100nm.
To the copper indium diselenide (CuInSe on the stainless steel substrate 2) the electrochemical property test result of membrane electrode is as follows:
Copper indium diselenide (CuInSe 2) membrane electrode can be at 5 μ A/cm 2Carry out charge and discharge cycles under the charge-discharge velocity.In voltage range 0.01-2.5V, discharge capacity can reach 647mAh/g for the first time, and reversible capacity is 555mAh/g, and capacity is progressively decayed in the cyclic process, and 100 capacity that circulate remain on 438mAh/g.
Therefore, the copper indium diselenide (CuInSe that on stainless steel substrates, deposits 2) film can be used as the anode material of lithium ion battery.
The invention is not restricted to the foregoing description.

Claims (2)

1, a kind of lithium ion battery anode material is characterized in that the copper indium diselenide film that has tetragonal for a kind of, and the thickness of film is 0.2-1 μ m.
2, a kind of preparation method of anode material of lithium ion battery as claimed in claim 1, it is characterized in that adopting reactive pulsed laser deposition preparation, concrete steps are: with copper powder, compressing tablet is made the used target of pulsed laser deposition after indium powder and the selenium powder ground and mixed, wherein the amount of substance of indium powder be copper powder 0.7-1.3 doubly, the amount of substance of selenium powder is 2.5-5 a times of copper powder, the 1064nm fundamental frequency that is produced by neodymium-doped yttrium pyralspite laser obtains the 355nm pulse laser behind frequency tripling, laser beam is through inciding after the lens focus on the above-mentioned target, the distance of target and substrate is 25-50mm, deposition obtains the copper indium diselenide film on substrate in argon gas atmosphere, substrate adopts stainless steel substrates, platinized platinum or gold-plated monocrystalline silicon piece, substrate temperature are 200-400 ℃.
CN2008100325012A 2008-01-10 2008-01-10 A Se indium copper anode material for lithium ion battery and its making method Expired - Fee Related CN101237040B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800314A (en) * 2010-01-21 2010-08-11 复旦大学 InSe nanometer composite anode material for lithium ion battery and preparation method thereof
CN107086321A (en) * 2017-05-25 2017-08-22 莆田学院 A kind of lithium battery
CN109638266A (en) * 2018-12-26 2019-04-16 山东大学 A kind of carbon coating selenium indium lithium material and the preparation method and application thereof
CN111987307A (en) * 2020-06-09 2020-11-24 河南大学 Bimetal-based sodium-ion battery cathode material
CN114039046A (en) * 2021-11-02 2022-02-11 远景动力技术(江苏)有限公司 Sodium ion battery and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6528208B1 (en) * 1998-07-09 2003-03-04 The University Of Chicago Anodes for rechargeable lithium batteries
CN100341172C (en) * 2005-09-15 2007-10-03 复旦大学 Film lithium ion battery using stannous selenide film as anode material and its preparation method
CN100428536C (en) * 2007-05-10 2008-10-22 复旦大学 Sb2Se3 anode film material for lithium ion cell and its preparing method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800314A (en) * 2010-01-21 2010-08-11 复旦大学 InSe nanometer composite anode material for lithium ion battery and preparation method thereof
CN107086321A (en) * 2017-05-25 2017-08-22 莆田学院 A kind of lithium battery
CN109638266A (en) * 2018-12-26 2019-04-16 山东大学 A kind of carbon coating selenium indium lithium material and the preparation method and application thereof
CN109638266B (en) * 2018-12-26 2021-04-13 山东大学 Carbon-coated selenium indium lithium material and preparation method and application thereof
CN111987307A (en) * 2020-06-09 2020-11-24 河南大学 Bimetal-based sodium-ion battery cathode material
CN111987307B (en) * 2020-06-09 2021-06-18 河南大学 Bimetal-based sodium-ion battery cathode material
CN114039046A (en) * 2021-11-02 2022-02-11 远景动力技术(江苏)有限公司 Sodium ion battery and preparation method thereof

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