CN103296250A - Lithium-ion battery and lithium manganate anode material thereof - Google Patents
Lithium-ion battery and lithium manganate anode material thereof Download PDFInfo
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- CN103296250A CN103296250A CN2013102349417A CN201310234941A CN103296250A CN 103296250 A CN103296250 A CN 103296250A CN 2013102349417 A CN2013102349417 A CN 2013102349417A CN 201310234941 A CN201310234941 A CN 201310234941A CN 103296250 A CN103296250 A CN 103296250A
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- lithium
- ion battery
- manganate
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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
Abstract
The invention provides a lithium-ion battery and a lithium manganate anode material thereof. The lithium manganate anode material is nano lithium hypomanganate, the nano lithium hypomanganate is spherical nano lithium hypomanganate particles which are prepared from manganese acetate, sodium persulfate and manganous nitrate taken as raw materials, and the grain size of the nano lithium hypomaanganate particles is 100nm to 112nm. Compared with the prior art, the lithium manganate anode material can increase the capacity of the lithium-ion battery and improve the cycling performance and charging-discharging performance of the lithium-ion battery.
Description
Technical field
The present invention relates to a kind of lithium ion battery and manganate cathode material for lithium thereof.
Background technology
In the numerous electronic products of lithium ion battery extensive use, its volume is less, do not discharge and recharge memory effect, therefore is subjected to the extensively joyous drink in market.Yet the off-capacity of present lithium ion battery especially in smart mobile phone, often influences market prospects owing to stand-by time is undesirable.
Summary of the invention
The technical problem that the present invention mainly solves is the off-capacity of present lithium ion battery.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of manganate cathode material for lithium for lithium ion battery, described manganate cathode material for lithium is nanometer time LiMn2O4, described nanometer time LiMn2O4 is the ball shaped nano time lithium manganate particle that raw material makes with manganese acetate, sodium peroxydisulfate and manganese nitrate, and the particle diameter of described nanometer time lithium manganate particle is the 100-112 nanometer.
In a preferred embodiment of the present invention, the discharge capacity of described nanometer time lithium manganate particle is 112-135mAh/g.
In a preferred embodiment of the present invention, described manganese acetate, described sodium peroxydisulfate and described manganese nitrate are arranged on silicon plate surface, form nanometer time lithium manganate particle by the hydroxy flame deposited, and its flame temperature is 400-550 degree centigrade.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of lithium ion battery, it comprises positive pole, described manganate cathode material for lithium is nanometer time LiMn2O4, described nanometer time LiMn2O4 is the ball shaped nano time lithium manganate particle that raw material makes with manganese acetate, sodium peroxydisulfate and manganese nitrate, and the particle diameter of described nanometer time lithium manganate particle is the 100-112 nanometer.
In a preferred embodiment of the present invention, the discharge capacity of described nanometer time lithium manganate particle is 112-135mAh/g.
In a preferred embodiment of the present invention, described manganese acetate, described sodium peroxydisulfate and described manganese nitrate are arranged on silicon plate surface, form nanometer time lithium manganate particle by the hydroxy flame deposited, and its flame temperature is 400-550 degree centigrade.
Compared to prior art, described manganate cathode material for lithium of the present invention can improve the capacity of lithium ion battery, improves its cycle performance and charge-discharge 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.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of manganate cathode material for lithium for lithium ion battery, described manganate cathode material for lithium is nanometer time LiMn2O4, described nanometer time LiMn2O4 is the ball shaped nano time lithium manganate particle that raw material makes with manganese acetate, sodium peroxydisulfate and manganese nitrate, and the particle diameter of described nanometer time lithium manganate particle is the 100-112 nanometer.
In a preferred embodiment of the present invention, the discharge capacity of described nanometer time lithium manganate particle is 112-135mAh/g.
In a preferred embodiment of the present invention, described manganese acetate, described sodium peroxydisulfate and described manganese nitrate are arranged on silicon plate surface, form nanometer time lithium manganate particle by the hydroxy flame deposited, and its flame temperature is 400-550 degree centigrade.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of lithium ion battery, it comprises positive pole, described manganate cathode material for lithium is nanometer time LiMn2O4, described nanometer time LiMn2O4 is the ball shaped nano time lithium manganate particle that raw material makes with manganese acetate, sodium peroxydisulfate and manganese nitrate, and the particle diameter of described nanometer time lithium manganate particle is the 100-112 nanometer.
In a preferred embodiment of the present invention, the discharge capacity of described nanometer time lithium manganate particle is 112-135mAh/g.
In a preferred embodiment of the present invention, described manganese acetate, described sodium peroxydisulfate and described manganese nitrate are arranged on silicon plate surface, form nanometer time lithium manganate particle by the hydroxy flame deposited, and its flame temperature is 400-550 degree centigrade.
Compared to prior art, described manganate cathode material for lithium of the present invention can improve the capacity of lithium ion battery, improves its cycle performance and charge-discharge 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 (4)
1. manganate cathode material for lithium that is used for lithium ion battery, it is characterized in that, described manganate cathode material for lithium is nanometer time LiMn2O4, described nanometer time LiMn2O4 is the ball shaped nano time lithium manganate particle that raw material makes with manganese acetate, sodium peroxydisulfate and manganese nitrate, and the particle diameter of described nanometer time lithium manganate particle is the 100-112 nanometer.
2. the manganate cathode material for lithium for lithium ion battery according to claim 1 is characterized in that, the discharge capacity of described nanometer time lithium manganate particle is 112-135mAh/g.
3. the manganate cathode material for lithium for lithium ion battery according to claim 1, it is characterized in that, described manganese acetate, described sodium peroxydisulfate and described manganese nitrate are arranged on silicon plate surface, form nanometer time lithium manganate particle by the hydroxy flame deposited, its flame temperature is 400-550 degree centigrade.
4. a lithium ion battery is characterized in that, comprises the arbitrary described manganate cathode material for lithium of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102349417A CN103296250A (en) | 2013-06-14 | 2013-06-14 | Lithium-ion battery and lithium manganate anode material thereof |
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| CN2013102349417A CN103296250A (en) | 2013-06-14 | 2013-06-14 | Lithium-ion battery and lithium manganate anode material thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409695A (en) * | 2014-11-27 | 2015-03-11 | 江西先材纳米纤维科技有限公司 | Modification method for flame-deposition heat treatment for silicon electrode |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823035A (en) * | 2010-03-01 | 2012-12-12 | 古河电气工业株式会社 | Particulate composite, active material aggregate, cathode active material substance, cathode, secondary battery and manufacturing methods for same |
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2013
- 2013-06-14 CN CN2013102349417A patent/CN103296250A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823035A (en) * | 2010-03-01 | 2012-12-12 | 古河电气工业株式会社 | Particulate composite, active material aggregate, cathode active material substance, cathode, secondary battery and manufacturing methods for same |
Non-Patent Citations (1)
| Title |
|---|
| JULIETTE A. SAINT等: "Synthesis and electrochemistry of Li3MnO4:Mn in the +5 oxidation state", 《JOURNAL OF POWER SOURCES》, vol. 172, 19 July 2007 (2007-07-19) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409695A (en) * | 2014-11-27 | 2015-03-11 | 江西先材纳米纤维科技有限公司 | Modification method for flame-deposition heat treatment for silicon electrode |
| CN104409695B (en) * | 2014-11-27 | 2016-08-17 | 江西先材纳米纤维科技有限公司 | Flame deposited is heat-treated the method for modifying of silicon electrode |
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Effective date of registration: 20140403 Address after: 518052 room 217, West Tower, Nanshan digital culture industry base, Shenzhen, Nanshan District, Guangdong 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: 20130911 |