Patent application number | Description | Published |
20100207059 | LITHIUM MANGANATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a primary particle diameter of not less than 1 μm and an average particle diameter (D | 08-19-2010 |
20100288969 | LITHIUM MANGANATE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to lithium manganate particles having a primary particle diameter of not less than 1 μm and an average particle diameter (D | 11-18-2010 |
20100327221 | LITHIUM MANGANATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to lithium manganate particles having a primary particle diameter of 1 to 8 μm and forming substantially single-phase particles, which have a composition represented by the following chemical formula: | 12-30-2010 |
20110210287 | PROCESS FOR PRODUCING LITHIUM MANGANATE PARTICLES AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - According to the present invention, there is provided a process for producing lithium manganate particles having a high output and an excellent high-temperature stability. The present invention relates to a process for producing lithium manganate particles comprising the steps of mixing a lithium compound, a manganese compound and a boron compound with each other; and calcining the resulting mixture in a temperature range of 800 to 1050° C., wherein an average particle diameter (D | 09-01-2011 |
20110223483 | LITHIUM MANGANATE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides lithium manganate which has a high output and is excellent in high-temperature stability. The present invention relates to lithium manganate particles which are produced by mixing a lithium compound, a manganese compound, a Y compound and an A compound with each other and then calcining the resulting mixture, and have a composition represented by the following chemical formula 1 and an average secondary particle diameter (D | 09-15-2011 |
20110297876 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES WITH NONAQUEOUS ELECTROLYTIC SOLUTION, PROCESS FOR THE PRODUCTION OF THE ACTIVE MATERIAL, AND SECONDARY BATTERIES WITH NONAQUEOUS ELECTROLYTIC SOLUTION - The present invention relates to positive electrode active substance particles for lithium ion batteries, comprising lithium manganate particles comprising Li and Mn as main components and having a cubic spinel structure (Fd-3m), wherein primary particles of the positive electrode active substance have a dodecahedral or higher-polyhedral shape in which none of crystal planes equivalent to the (111) plane are located adjacent to each other, and flat crystal planes are crossed with each other to form a clear ridge, and an average primary particle diameter of the primary particles is not less than 1 μm and not more than 20 μm. The positive electrode active substance particles according to the present invention are excellent in packing property, load characteristics and high-temperature stability. | 12-08-2011 |
20130183587 | LITHIUM MANGANATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a primary particle diameter of not less than 1 μm and an average particle diameter (D | 07-18-2013 |