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Maiko Saka, Tsukuba-Shi JP

Maiko Saka, Tsukuba-Shi JP

Patent application numberDescriptionPublished
20110117415NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a nonaqueous electrolyte secondary battery. The nonaqueous electrolyte secondary battery comprises a positive electrode containing a positive electrode active material capable of being doped and dedoped with alkali metal ions and represented by formula A05-19-2011
20110135990SODIUM SECONDARY BATTERY - Disclosed is a sodium secondary battery. The sodium secondary battery comprises a first electrode and a second electrode comprising a carbonaceous material. The carbonaceous material satisfies one or more requirements selected from the group consisting of requirements 1, 2, 3 and 4. Requirement 1: R value (=ID/IG) obtained by Raman spectroscopic measurement is 1.07 to 3. Requirement 2: A value and σ06-09-2011
20120199785TRANSITION METAL PHOSPHATE, AND SODIUM SECONDARY BATTERY - The present invention provides a transition metal phosphate and a sodium secondary battery. The transition metal phosphate contains Na, P and M where M represents one or more elements selected from the group consisting of transition metal elements, wherein a value of I/I08-09-2012
20120258351ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides an electrode active material, an electrode and a non-aqueous electrolyte secondary battery. The electrode active material contains the following powder (A) and powder (B):10-11-2012
20120258359METHOD FOR PRODUCING ELECTRODE, METHOD FOR PRODUCING ELECTRODE PASTE, AND SODIUM SECONDARY BATTERY - The present invention provides a method for producing an electrode and a method for producing an electrode paste, and a sodium secondary battery. The method for producing an electrode includes the following steps (1) to (5) in this order: 10-11-2012
20120264019ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND SODIUM SECONDARY BATTERY - The present invention provides an electrode active material, an electrode and a sodium secondary battery. The electrode active material contains the following powder (A) and powder (B): 10-18-2012
20120276438TRANSITION METAL PHOSPHATE, PRODUCTION PROCESS THEREOF, POSITIVE ELECTRODE, AND SODIUM SECONDARY BATTERY - The present invention provides a transition metal phosphate and a production process thereof, a positive electrode, and a sodium secondary battery. The transition metal phosphate contains sodium (Na), phosphorus (P) and a transition metal element and having a BET specific surface area of 1 m11-01-2012
20130164623POSITIVE ELECTRODE ACTIVE MATERIAL - The present invention provides a positive electrode active material. The positive electrode active material is represented by the following formula (I) and has a BET specific surface area of larger than 5 m06-27-2013

Patent applications by Maiko Saka, Tsukuba-Shi JP

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