Patent application number | Description | Published |
20120177992 | NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY AND MANUFACTURING PROCESS FOR THE SAME - To provide a negative electrode for lithium-ion secondary battery, negative electrode which has good cyclability by suppressing the active material from coming off or falling down from the current collector, and a manufacturing process for the same. | 07-12-2012 |
20130330607 | ELECTROLYTIC SOLUTION AND LITHIUM-ION SECONDARY BATTERY - In a lithium-ion secondary battery using a positive-electrode active material that includes a lithium-manganese-based oxide which includes a lithium (Li) element and a tetravalent manganese (Mn) element and whose crystal structure belongs to a layered rock-salt structure, adding a compound being selected from the group consisting of Compounds (a) through (i) into the electrolytic solution leads to the following: degradations due to oxidation-reduction decompositions of the electrolytic solution, and so on, are inhibited; and not only the shelf or storage capacity and recovered capacity upgrade in the case of being stored at high temperatures, but also the rise of internal resistance is inhibited. | 12-12-2013 |
20130337344 | LITHIUM ION SECONDARY BATTERY - In a lithium ion secondary battery using a positive electrode active material made of a lithium manganese based oxide that contains Li and tetravalent Mn and having a crystal structure known as a layered rock salt structure, oxidative and reductive degradation of the non-aqueous electrolyte solution is reduced. | 12-19-2013 |
20140087252 | LITHIUM ION SECONDARY BATTERY ELECTRODE, MANUFACTURING PROCESS FOR THE SAME, AND LITHIUM ION SECONDARY BATTERY USING THE ELECTRODE - To provide a lithium ion secondary battery electrode in which a coat is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. | 03-27-2014 |
20140099542 | LITHIUM ION SECONDARY BATTERY ELECTRODE, MANUFACTURING PROCESS FOR THE SAME, AND LITHIUM ION SECONDARY BATTERY USING THE ELECTRODE - To provide a lithium ion secondary battery electrode in which a coated layer is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. | 04-10-2014 |
20140106226 | LITHIUM ION SECONDARY CELL - Provided is a negative-electrode active material, which is capable of constituting a lithium ion secondary cell exhibiting excellent cell characteristics. | 04-17-2014 |
20140186704 | LITHIUM ION SECONDARY BATTERY ELECTRODE, MANUFACTURING PROCESS FOR THE SAME, AND LITHIUM ION SECONDARY BATTERY USING THE ELECTRODE - To provide a lithium ion secondary battery electrode in which a coated layer is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. | 07-03-2014 |
20140308588 | NEGATIVE-ELECTRODE STUFF AND NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AS WELL AS LITHIUM-ION SECONDARY BATTERY - A negative-electrode stuff has negative-electrode active-material particles including: an element being capable of sorbing and desorbing lithium ions, and being capable of undergoing an alloying reaction with lithium; or/and an elementary compound being capable of undergoing an alloying reaction with lithium. The negative-electrode active-material particles includes particles whose particle diameter is 1 μm or more in an amount of 85% by volume or more of them when the entirety is taken as 100% by volume, exhibit a BET specific surface area that is 6 m | 10-16-2014 |
20150050564 | SECONDARY BATTERY - Providing a secondary battery maintaining the cyclability at room temperature and additionally being able to inhibit the cyclability from declining when being employed at high temperature. | 02-19-2015 |