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Study on the Preparation of the Cathode Materials for Lithium-Ion Batteries by Multiphase Redox Method
We report a new method, which is called multiphase redox method, to prepare LiMn 2 O 4 cathode material. The precursors of LiMn 2 O 4 were synthetized in Mn(OH) 2 -H 2 O-LiOH solution system by using air, oxygen or KMnO 4 as the oxidant. The oxidation ability of the oxidant has an important influenc...
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| Format: | Conference Proceeding |
| Language: | English |
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| container_end_page | 126 |
| container_issue | 9 |
| container_start_page | 121 |
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| container_volume | 66 |
| creator | Xi, Xiao-ming Liao, Da-qian Hu, Liu-quan Huang, Zhou-shu Tang, Mo-tang |
| description | We report a new method, which is called multiphase redox method, to prepare LiMn
2
O
4
cathode material. The precursors of LiMn
2
O
4
were synthetized in Mn(OH)
2
-H
2
O-LiOH solution system by using air, oxygen or KMnO
4
as the oxidant. The oxidation ability of the oxidant has an important influence on the amount of lithium embedding. Meanwhile, the sintering process and the electrochemical performance of the sintered samples are studied as well. The sample sintered at 820℃ for 10 h presents both high discharge capacity and excellent cycle performance. Compared with LiMn
2
O
4
prepared by solid-state method, the uniformity in chemical composition of LiMn
2
O
4
prepared by multiphase redox method is bettered significantly and the differences in micro-components of LiMn
2
O
4
are almost eliminated, thus improving the electrochemical performance of LiMn
2
O
4
prepared by multiphase redox method. |
| doi_str_mv | 10.1149/06609.0121ecst |
| format | conference_proceeding |
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2
O
4
cathode material. The precursors of LiMn
2
O
4
were synthetized in Mn(OH)
2
-H
2
O-LiOH solution system by using air, oxygen or KMnO
4
as the oxidant. The oxidation ability of the oxidant has an important influence on the amount of lithium embedding. Meanwhile, the sintering process and the electrochemical performance of the sintered samples are studied as well. The sample sintered at 820℃ for 10 h presents both high discharge capacity and excellent cycle performance. Compared with LiMn
2
O
4
prepared by solid-state method, the uniformity in chemical composition of LiMn
2
O
4
prepared by multiphase redox method is bettered significantly and the differences in micro-components of LiMn
2
O
4
are almost eliminated, thus improving the electrochemical performance of LiMn
2
O
4
prepared by multiphase redox method.</description><identifier>ISSN: 1938-5862</identifier><identifier>EISSN: 1938-6737</identifier><identifier>DOI: 10.1149/06609.0121ecst</identifier><language>eng</language><ispartof>ECS transactions, 2015, Vol.66 (9), p.121-126</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Xi, Xiao-ming</creatorcontrib><creatorcontrib>Liao, Da-qian</creatorcontrib><creatorcontrib>Hu, Liu-quan</creatorcontrib><creatorcontrib>Huang, Zhou-shu</creatorcontrib><creatorcontrib>Tang, Mo-tang</creatorcontrib><title>Study on the Preparation of the Cathode Materials for Lithium-Ion Batteries by Multiphase Redox Method</title><title>ECS transactions</title><description>We report a new method, which is called multiphase redox method, to prepare LiMn
2
O
4
cathode material. The precursors of LiMn
2
O
4
were synthetized in Mn(OH)
2
-H
2
O-LiOH solution system by using air, oxygen or KMnO
4
as the oxidant. The oxidation ability of the oxidant has an important influence on the amount of lithium embedding. Meanwhile, the sintering process and the electrochemical performance of the sintered samples are studied as well. The sample sintered at 820℃ for 10 h presents both high discharge capacity and excellent cycle performance. Compared with LiMn
2
O
4
prepared by solid-state method, the uniformity in chemical composition of LiMn
2
O
4
prepared by multiphase redox method is bettered significantly and the differences in micro-components of LiMn
2
O
4
are almost eliminated, thus improving the electrochemical performance of LiMn
2
O
4
prepared by multiphase redox method.</description><issn>1938-5862</issn><issn>1938-6737</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2015</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNo1kFtLwzAUgIMoOKevPucPtOa2tHnUom6wonh5LllySiObKUkK9t_bzvl0rt-B8yF0S0lOqVB3REqickIZBRPTGVpQxctMFrw4P-WrUrJLdBXjFyFyYooFat_TYEfsv3HqAL8G6HXQyU21b4-tSqfOW8C1ThCc3kfc-oC3LnVuOGSbafFBp3kEEe9GXA_75PpOR8BvYP0PrmHmr9FFO7Fwc4pL9Pn0-FGts-3L86a632aGEpUyAVoZbrShSigmYCeg4IJYLpiVRHBuSm4EYyvQ3JZqekErJpUsRKkAQPIlyv_umuBjDNA2fXAHHcaGkma21BwtNf-W-C_BXluP</recordid><startdate>20150807</startdate><enddate>20150807</enddate><creator>Xi, Xiao-ming</creator><creator>Liao, Da-qian</creator><creator>Hu, Liu-quan</creator><creator>Huang, Zhou-shu</creator><creator>Tang, Mo-tang</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20150807</creationdate><title>Study on the Preparation of the Cathode Materials for Lithium-Ion Batteries by Multiphase Redox Method</title><author>Xi, Xiao-ming ; Liao, Da-qian ; Hu, Liu-quan ; Huang, Zhou-shu ; Tang, Mo-tang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c109t-4ea9c3cac194924eb4e7340d342d60433c83c4225ea3d89114a926967489eee63</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Xi, Xiao-ming</creatorcontrib><creatorcontrib>Liao, Da-qian</creatorcontrib><creatorcontrib>Hu, Liu-quan</creatorcontrib><creatorcontrib>Huang, Zhou-shu</creatorcontrib><creatorcontrib>Tang, Mo-tang</creatorcontrib><collection>CrossRef</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xi, Xiao-ming</au><au>Liao, Da-qian</au><au>Hu, Liu-quan</au><au>Huang, Zhou-shu</au><au>Tang, Mo-tang</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Study on the Preparation of the Cathode Materials for Lithium-Ion Batteries by Multiphase Redox Method</atitle><btitle>ECS transactions</btitle><date>2015-08-07</date><risdate>2015</risdate><volume>66</volume><issue>9</issue><spage>121</spage><epage>126</epage><pages>121-126</pages><issn>1938-5862</issn><eissn>1938-6737</eissn><abstract>We report a new method, which is called multiphase redox method, to prepare LiMn
2
O
4
cathode material. The precursors of LiMn
2
O
4
were synthetized in Mn(OH)
2
-H
2
O-LiOH solution system by using air, oxygen or KMnO
4
as the oxidant. The oxidation ability of the oxidant has an important influence on the amount of lithium embedding. Meanwhile, the sintering process and the electrochemical performance of the sintered samples are studied as well. The sample sintered at 820℃ for 10 h presents both high discharge capacity and excellent cycle performance. Compared with LiMn
2
O
4
prepared by solid-state method, the uniformity in chemical composition of LiMn
2
O
4
prepared by multiphase redox method is bettered significantly and the differences in micro-components of LiMn
2
O
4
are almost eliminated, thus improving the electrochemical performance of LiMn
2
O
4
prepared by multiphase redox method.</abstract><doi>10.1149/06609.0121ecst</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1938-5862 |
| ispartof | ECS transactions, 2015, Vol.66 (9), p.121-126 |
| issn | 1938-5862 1938-6737 |
| language | eng |
| recordid | cdi_crossref_primary_10_1149_06609_0121ecst |
| source | Institute of Physics:Jisc Collections:IOP Publishing Read and Publish 2024-2025 (Reading List) |
| title | Study on the Preparation of the Cathode Materials for Lithium-Ion Batteries by Multiphase Redox Method |
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