Patent application number | Description | Published |
20080233477 | POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY USING THE SAME - According to a positive electrode for a lithium ion secondary battery comprising a current collector and a mixture layer containing a transition metal-containing complex oxide as a positive electrode active material formed on the current collector, wherein the mixture layer has surface roughness of 0.1 μm or more and 0.5 μm or less in terms of a Ra value and the mixture layer has a surface treated layer treated with a coupling agent on the surface, it is possible to obtain a positive electrode which is excellent in suppression of moisture absorption. By using the positive electrode, it is possible to obtain a lithium ion secondary battery which is excellent in storage characteristics and causes less battery swelling since the amount of a gas generated upon charging and discharging decreases. | 09-25-2008 |
20090104528 | Electrode for Lithium Secondary Battery, Lithium Secondary Battery and Method for Producing the Same - An electrode for a lithium secondary battery including a sheet-like current collector and an active material layer carried on the current collector. The active material layer is capable of absorbing and desorbing lithium, and the active material layer includes a plurality of columnar particles having at least one bend. An angle θ | 04-23-2009 |
20100330410 | NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY - A nonaqueous electrolyte secondary battery according to the present invention includes: a negative-electrode current collector | 12-30-2010 |
20110070359 | FILM FORMATION METHOD AND FILM FORMATION APPARATUS - A film formation method according to the present invention includes the step of forming a film of material powders | 03-24-2011 |
20120027919 | ELECTRODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - An electrode for a lithium secondary battery including a sheet-like current collector and an active material layer carried on the current collector. The active material layer is capable of absorbing and desorbing lithium, and the active material layer includes a plurality of columnar particles having at least one bend. An angle θ | 02-02-2012 |
20120135312 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - Provided is a negative electrode for a non-aqueous electrolyte secondary battery, the negative electrode being unlikely to cause changes in thickness even when subjected repeated charge/discharge over a long period of time. The negative electrode includes a core material, and a negative electrode material mixture layer adhering to the core material. The negative electrode material mixture layer includes a particulate carbon material. The particulate carbon material has a breaking strength of 100 MPa or more. The particulate carbon material has a surface roughness Ra of 0.2 to 0.8 μm. The negative electrode material mixture layer has a packing density of 1.4 to 1.6 g/cm | 05-31-2012 |
20120148922 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - Provided is a negative electrode for a non-aqueous electrolyte secondary battery, the negative electrode having a high capacity and exhibits excellent output/input characteristics in charge and discharge in a low temperature environment and at a high current density. The negative electrode includes a core material, and a negative electrode material mixture layer adhering to the core material. The negative electrode material mixture layer includes a particulate carbon material. The particulate carbon material has a breaking strength of 100 MPa or more. In a diffraction pattern of the negative electrode material mixture layer measured by wide-angle X-ray diffractometry, the ratio of I(101) to I(100) satisfies 1.0 | 06-14-2012 |
20140322591 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Disclosed is a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a non-aqueous electrolyte, and a battery case containing them. The negative electrode includes SiO | 10-30-2014 |