High-safety sodium ion battery positive plate and sodium ion battery

The invention discloses a high-safety sodium-ion battery positive plate and a sodium-ion battery, and relates to the technical field of sodium-ion batteries, the high-safety sodium-ion battery positive plate comprises a current collector layer, a safety coating coated on one side or two sides of the current collector layer, and an active material layer coated on one side or two sides of the safety coating layer, and the safety coating comprises the following components in percentage by mass: 85-95% of a safener, 0-2% of a conductive agent and 3-13% of a binder. The positive plate is reasonable in design, and the sodium ion battery containing the positive plate has excellent safety performance and can pass strict safety tests such as needling, extrusion and heavy object impact. 本发明公开了一种高安全钠离子电池正极片及钠离子电池，涉及钠离子电池技术领域，包括集流体层、涂敷在所述集流体一面或两面的安全涂层、以及涂敷在所述安全涂层一面或两面的活性物质层，所述安全涂层按质量百分比包括如下组分：安全剂85～95％、导电剂0～2％以及粘结剂3～13％。本发明设计合理，含有该正极片的钠离子电池具有优异的安全性能，可以通过针刺、挤压、重物冲击等严苛的安全测试。