SODIUM ION SECONDARY BATTERY

• 特願2011-070784 (2011.3.28) JP

As a secondary battery wherein charge and discharge reactions are carried out by sodium ions in the electrolyte solution, disclosed is a sodium ion secondary battery which is provided with: a negative electrode that contains a negative electrode active material composed of a sodium-containing phosphate NaM2(PO4)3 (wherein M represents one metal element selected from among Ti, Fe, V, Mn, Co and Ni)

a positive electrode that contains a positive electrode active material composed of a material that does not contain lithium

and an electrolyte solution that contains an electrolyte composed of a sodium salt.

• KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION,
• OKADA SHIGETO,
• PARK SUN-IL,
• KITAJOU AYUKO,
• KOBAYASHI EIJI,
• YAMAKI JUNICHI

• OKADA SHIGETO,
• PARK SUN-IL,
• KITAJOU AYUKO,
• KOBAYASHI EIJI,
• YAMAKI JUNICHI

• H01M   4/58      酸化物，水酸化物以外の無機化合物，例．硫化物，セレン化物，テルル化物，ハロゲン化物またはＬｉＣｏＦｙ
• H01M  10/054     リチウム以外の金属，例．マグネシウムまたはアルミニウム　の挿入を伴う二次電池
• H01M  10/36      １０／０５～１０／３４に分類されない蓄電池