CHUO DENKI KOGYO CO., LTD.
|CHUO DENKI KOGYO CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20140093781||Modified Natural Graphite Particles - A modified natural graphite material which provides a negative plate having improved adhesion between a negative electrode mixture and a current collector has a circularity of at least 0.92 and at most 1.0 and an incident angle dependence S||04-03-2014|
|20130207049||Negative Electrode Material for a Nonaqueous Electrolyte Secondary Battery and a Method for Its Manufacture - A negative electrode material according to the present invention which is provided as an inexpensive negative electrode material for a nonaqueous electrolyte secondary battery and which suppresses the amount of expensive Co which is used contains three types of powder materials in the form of alloy material A, alloy material B, and a conductive material. Alloy material A comprises an alloy having a CoSn||08-15-2013|
|20120305834||Negative Electrode Material for Nonaqueous Electrolyte Secondary Batteries and Manufacturing Method Thereof - The present invention provides a negative electrode material for a nonaqueous electrolyte secondary battery which can improve the cycle properties of a lithium ion secondary battery and a method for manufacturing the negative electrode material. The negative electrode material comprises at least two types of powdery alloy materials A and B in which powdery alloy material A contains Co, Sn, and Fe and does not contain Ti and powdery alloy material B contains Fe, Ti, and Sn, and the proportion of the mass of powdery alloy material B to the sum of the mass of powdery alloy material A and the mass of powdery alloy material B is at least 10 mass % and at most 30 mass %.||12-06-2012|
|20120251888||Mixed Carbon Material and Negative Electrode for Nonaqueous Secondary Battery - The present invention provides a mixed carbon material which comprises carbon material A and carbon material B and which is a carbon material suitable for a negative electrode material which can provide a nonaqueous secondary battery having a low irreversible capacity and having a negative electrode with a high capacity and high charge acceptance. Carbon material A and carbon material B both have cores made of graphite powder and a surface carbon material in the form of at least one of amorphous carbon and turbostratic carbon adhered to or coated on at least a portion of the surface of the graphite powder. The compressed density is 1.80-1.90 g/cm||10-04-2012|
|20120037845||MIXED CARBON MATERIAL AND NEGATIVE ELECTRODE FOR A NONAQUEOUS SECONDARY BATTERY - A negative electrode material provided by the present invention capable of suppressing a decrease in charge acceptance and high temperature storage properties in an electrode with a high capacity and a high density is a mixed carbon material comprising carbon material A having cores of graphite powder with amorphous carbon and/or turbostratic carbon adhered to or coated on the surface of the cores and carbon material B which is graphite powder, the compressibility which is the density (g/cm||02-16-2012|
|20120001131||Hydrogen-Absorbing Alloy and Electrode for Nickel-Metal Hydride Secondary Batteries - A hydrogen-absorbing alloy, which is used as a negative electrode material of nickel-metal hydride secondary batteries for hybrid electric vehicles, and particularly for batteries to drive electric motors of hybrid electric vehicles, is an AB||01-05-2012|
Patent applications by CHUO DENKI KOGYO CO., LTD.