CN103346306A - Preparation method of hetaerolite nanoparticles used in lithium ion battery - Google Patents
Preparation method of hetaerolite nanoparticles used in lithium ion battery Download PDFInfo
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- CN103346306A CN103346306A CN2013102269037A CN201310226903A CN103346306A CN 103346306 A CN103346306 A CN 103346306A CN 2013102269037 A CN2013102269037 A CN 2013102269037A CN 201310226903 A CN201310226903 A CN 201310226903A CN 103346306 A CN103346306 A CN 103346306A
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- preparation
- lithium ion
- ion battery
- potassium hydroxide
- water
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Inorganic Compounds Of Heavy Metals (AREA)
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Abstract
A provided preparation method of hetaerolite nanoparticles used in a lithium ion battery comprises the following steps: (1) dissolving zinc nitrate and manganese chloride in water with a molar ratio of 2.5:1; (2) dissolving potassium hydroxide in water, adding the solution of the step (1) into the potassium hydroxide solution, adding hydrogen peroxide and forming a turbid liquid; and (3)adding the turbid liquid of the step (2) into a reaction vessel, keeping warm at 200 DEG C for 10 h, taking out, and respectively using water and alcohol to centrifuge and dry for times to obtain the hetaerolite nanoparticles. Compared with the prior art, the hetaerolite nanoparticles prepared by using the preparation method of the invention has better cycle performance and rate capability.
Description
Technical field
The zinc black manganese nano particle that the present invention relates to a kind of acquisition has the preparation method of the zinc black manganese nano particle that is used for lithium ion battery of better cycle performance and high rate performance.
Background technology
Continuous development along with energy technology, the application of battery is increasingly extensive, and negative material often has extremely crucial effect to the performance of battery, and the anticathode material has numerous requirements usually, for example cycle performance and high rate performance, this also is the content that lacks and be studied at present.
Summary of the invention
The technical problem that the present invention mainly solves is that cycle performance and the high rate performance of present negative material has much room for improvement.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of preparation method of the zinc black manganese nano particle for lithium ion battery, may further comprise the steps:
(1), zinc nitrate, manganese chloride are dissolved in the water according to mol ratio 2.5:1;
(2) potassium hydroxide is dissolved in the water, and the solution in the step (1) is added in the potassium hydroxide dissolving, stir, add hydrogen peroxide and form turbid liquid;
(3), the turbid liquid of step (2) gained is put into reactor, be incubated 10 hours under 200 degrees centigrade, take out back water and alcohol centrifugal drying repeatedly respectively, obtain zinc black manganese nano particle.
In a preferred embodiment of the present invention, the mol ratio of the solution in the potassium hydroxide of step (2) and the step (1) is 5:1.
In a preferred embodiment of the present invention, the reactor in the step (3) is stainless steel cauldron.
Compared to prior art, the zinc black manganese nano particle that preparation method of the present invention obtains has better cycle performance and high rate performance.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The embodiment of the invention discloses a kind of preparation method of the zinc black manganese nano particle for lithium ion battery, may further comprise the steps:
(1), zinc nitrate, manganese chloride are dissolved in the water according to mol ratio 2.5:1;
(2) potassium hydroxide is dissolved in the water, and the solution in the step (1) is added in the potassium hydroxide dissolving, stir, add hydrogen peroxide and form turbid liquid;
(3), the turbid liquid of step (2) gained is put into reactor, be incubated 10 hours under 200 degrees centigrade, take out back water and alcohol centrifugal drying repeatedly respectively, obtain zinc black manganese nano particle.
In a preferred embodiment of the present invention, the mol ratio of the solution in the potassium hydroxide of step (2) and the step (1) is 5:1.
In a preferred embodiment of the present invention, the reactor in the step (3) is stainless steel cauldron.
Compared to prior art, the zinc black manganese nano particle that preparation method of the present invention obtains has better cycle performance and high rate performance.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (3)
1. a preparation method who is used for the zinc black manganese nano particle of lithium ion battery is characterized in that, may further comprise the steps:
(1), zinc nitrate, manganese chloride are dissolved in the water according to mol ratio 2.5:1;
(2) potassium hydroxide is dissolved in the water, and the solution in the step (1) is added in the potassium hydroxide dissolving, stir, add hydrogen peroxide and form turbid liquid;
(3), the turbid liquid of step (2) gained is put into reactor, be incubated 10 hours under 200 degrees centigrade, take out back water and alcohol centrifugal drying repeatedly respectively, obtain zinc black manganese nano particle.
2. the preparation method of the zinc black manganese nano particle for lithium ion battery according to claim 1 is characterized in that the mol ratio of the solution in the potassium hydroxide of step (2) and the step (1) is 5:1.
3. the preparation method of the zinc black manganese nano particle for lithium ion battery according to claim 1 is characterized in that the reactor in the step (3) is stainless steel cauldron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102269037A CN103346306A (en) | 2013-06-08 | 2013-06-08 | Preparation method of hetaerolite nanoparticles used in lithium ion battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102269037A CN103346306A (en) | 2013-06-08 | 2013-06-08 | Preparation method of hetaerolite nanoparticles used in lithium ion battery |
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| CN103346306A true CN103346306A (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102269037A Pending CN103346306A (en) | 2013-06-08 | 2013-06-08 | Preparation method of hetaerolite nanoparticles used in lithium ion battery |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274779A (en) * | 2008-05-14 | 2008-10-01 | 华中师范大学 | Nano-scaled materials ZnMn2O4 for lithium storage and preparation thereof |
| KR20130052926A (en) * | 2011-11-14 | 2013-05-23 | 한국과학기술연구원 | Zno-mno composite anode active material for lithium secondary battery and synthesis method thereof |
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2013
- 2013-06-08 CN CN2013102269037A patent/CN103346306A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274779A (en) * | 2008-05-14 | 2008-10-01 | 华中师范大学 | Nano-scaled materials ZnMn2O4 for lithium storage and preparation thereof |
| KR20130052926A (en) * | 2011-11-14 | 2013-05-23 | 한국과학기술연구원 | Zno-mno composite anode active material for lithium secondary battery and synthesis method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈元峻等: "ZnMn2O4的水热法合成及其在锂离子电池中的性能", 《广州化工》 * |
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Owner name: ZHENG YULIN Free format text: FORMER OWNER: SUZHOU NUOXIN INNOVATION ENERGY CO., LTD. Effective date: 20140403 |
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Effective date of registration: 20140403 Address after: 518052 Guangdong city of Shenzhen province Nanshan District Nanshan digital and cultural industry base east tower room 407 Applicant after: Zheng Yulin Address before: 215121, No. 3, Jinling West Road, 288 Town, Suzhou Industrial Park, Jiangsu Province, 309 Applicant before: Suzhou Nuoxin Innovation Energy Co., Ltd. |
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Application publication date: 20131009 |