| Patent application number | Description | Published |
|---|
| 20110117415 | NONAQUEOUS 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 A | 05-19-2011 |
| 20110135990 | SODIUM 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 σ | 06-09-2011 |
| 20120199785 | TRANSITION 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/I | 08-09-2012 |
| 20120258351 | ELECTRODE 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 |
| 20120258359 | METHOD 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 |
| 20120264019 | ELECTRODE 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 |
| 20120276438 | TRANSITION 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 m | 11-01-2012 |
| 20130164623 | POSITIVE 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 m | 06-27-2013 |
