Patent application number | Description | Published |
20110081583 | Lithium Secondary Battery Using Ionic Liquid - The lithium secondary battery of the present invention is a lithium secondary battery including a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt, wherein the non-aqueous electrolyte includes, as a solvent, an ionic liquid containing a bis(fluorosulfonyl)imide anion as an anion component; and the separator is a nonwoven fabric comprising at least one member selected from an organic fiber and a glass fiber and has a porosity of 70% or more. | 04-07-2011 |
20120270101 | LITHIUM SECONDARY BATTERY - A lithium ion secondary battery capable of charging in 15 minutes or less has a cathode with a composite layer on a surface of a collector having an active material and a conducting agent, an anode with an active material, an insulator between the cathode and anode, and an electrolyte with lithium ions. The cathode active material is represented by Li | 10-25-2012 |
20130017456 | LITHIUM SECONDARY BATTERY USING IONIC LIQUIDAANM Sugimoto; ToshinoriAACI Kyoto-shiAACO JPAAGP Sugimoto; Toshinori Kyoto-shi JPAANM Higashizaki; TetsuyaAACI Kyoto-shiAACO JPAAGP Higashizaki; Tetsuya Kyoto-shi JPAANM Ishiko; ErikoAACI Kyoto-shiAACO JPAAGP Ishiko; Eriko Kyoto-shi JPAANM Kono; MichiyukiAACI Kyoto-shiAACO JPAAGP Kono; Michiyuki Kyoto-shi JPAANM Ishikawa; MasashiAACI Suita-shiAACO JPAAGP Ishikawa; Masashi Suita-shi JP - A flame-retardant lithium secondary battery is provided that has better battery performance and higher safety than conventional batteries. The lithium secondary battery uses a positive electrode that includes a positive electrode active material of the general formula (I) below, and a nonaqueous electrolytic solution in which an ionic liquid that contains bis(fluorosulfonyl)imide anions as an anionic component is used as the solvent, (1) LiNixMny O | 01-17-2013 |
20130084489 | LITHIUM SECONDARY BATTERY - A lithium ion secondary battery capable of charging in 15 minutes or less has a cathode with a composite layer on a surface of a collector having an active material and a conducting agent, an anode with an active material, an insulator between the cathode and anode, and an electrolyte with lithium ions. The cathode active material is represented by Li | 04-04-2013 |