Spinel type lithium-manganese oxide material, process for preparing the same and use thereof
A novel lithium-manganese oxide composition suitable for use in lithium secondary batteries as an active material for positive electrodes, said oxide having a spinel type crystal structure, an Li:Mn molar ratio of 0.9-1.10:2.00, a mean Mn oxidation number of 3.40-3.60 valencies, and a BET specific s...
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| creator | YOSHIDA SETSUO IWATA EIICHI TAKAHASHI KEN-ICHI SAWANO MASANORI OKADA MASAKI |
| description | A novel lithium-manganese oxide composition suitable for use in lithium secondary batteries as an active material for positive electrodes, said oxide having a spinel type crystal structure, an Li:Mn molar ratio of 0.9-1.10:2.00, a mean Mn oxidation number of 3.40-3.60 valencies, and a BET specific surface area of at least 1 m2/g, substantially all the primary particles of said oxide being less than 1 mu m; a process for preparing such an oxide and a lithium secondary battery containing such an oxide are also disclosed. |
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SETSUO</creatorcontrib><creatorcontrib>IWATA; EIICHI</creatorcontrib><creatorcontrib>TAKAHASHI; KEN-ICHI</creatorcontrib><creatorcontrib>SAWANO; MASANORI</creatorcontrib><creatorcontrib>OKADA; MASAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YOSHIDA; SETSUO</au><au>IWATA; EIICHI</au><au>TAKAHASHI; KEN-ICHI</au><au>SAWANO; MASANORI</au><au>OKADA; MASAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Spinel type lithium-manganese oxide material, process for preparing the same and use thereof</title><date>1998-09-15</date><risdate>1998</risdate><abstract>A novel lithium-manganese oxide composition suitable for use in lithium secondary batteries as an active material for positive electrodes, said oxide having a spinel type crystal structure, an Li:Mn molar ratio of 0.9-1.10:2.00, a mean Mn oxidation number of 3.40-3.60 valencies, and a BET specific surface area of at least 1 m2/g, substantially all the primary particles of said oxide being less than 1 mu m; a process for preparing such an oxide and a lithium secondary battery containing such an oxide are also disclosed.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Spinel type lithium-manganese oxide material, process for preparing the same and use thereof |
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