Novel method for preparing lithium ionic cell anode material LiMn2O4
The invention discloses a new method for preparing LiMn2O4 with simple and easy operation on the basis of the method for preparing an improved spinelle type lithium manganate positive material. The method is characterized in that manganese and lithium salt dissolvable in ethanol is taken as raw mate...
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| creator | HUANG BAIYONG GAO SHANMIN XU PU XU YANBIN KONG LINGYAN WANG YUBAO |
| description | The invention discloses a new method for preparing LiMn2O4 with simple and easy operation on the basis of the method for preparing an improved spinelle type lithium manganate positive material. The method is characterized in that manganese and lithium salt dissolvable in ethanol is taken as raw materials, saponated polyhydric organic carboxylic acid is taken as a precipitating agent to perform coprecipitation in an ethanol solution to produce a precursor with lithium and manganese mixed evenly, and a LiMn2O4 material is produced by sintering the mixture at high temperature under a certain condition. As a coprecipitation method in a true sense, the technique in the invention can effectively simplify the solid phase grinding process in the solid phase preparation method, is suitable for the industrial operation, has the advantage of Pechinic method preparation technique, and easily obtains the lithium manganate material with even particles and small grain diameters (200-500nm) because an organic precipitating a |
| format | Patent |
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The method is characterized in that manganese and lithium salt dissolvable in ethanol is taken as raw materials, saponated polyhydric organic carboxylic acid is taken as a precipitating agent to perform coprecipitation in an ethanol solution to produce a precursor with lithium and manganese mixed evenly, and a LiMn2O4 material is produced by sintering the mixture at high temperature under a certain condition. As a coprecipitation method in a true sense, the technique in the invention can effectively simplify the solid phase grinding process in the solid phase preparation method, is suitable for the industrial operation, has the advantage of Pechinic method preparation technique, and easily obtains the lithium manganate material with even particles and small grain diameters (200-500nm) because an organic precipitating a</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ; ELECTRICITY ; INORGANIC CHEMISTRY ; METALLURGY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120502&DB=EPODOC&CC=CN&NR=101481145B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120502&DB=EPODOC&CC=CN&NR=101481145B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUANG BAIYONG</creatorcontrib><creatorcontrib>GAO SHANMIN</creatorcontrib><creatorcontrib>XU PU</creatorcontrib><creatorcontrib>XU YANBIN</creatorcontrib><creatorcontrib>KONG LINGYAN</creatorcontrib><creatorcontrib>WANG YUBAO</creatorcontrib><title>Novel method for preparing lithium ionic cell anode material LiMn2O4</title><description>The invention discloses a new method for preparing LiMn2O4 with simple and easy operation on the basis of the method for preparing an improved spinelle type lithium manganate positive material. 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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Novel method for preparing lithium ionic cell anode material LiMn2O4 |
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