ELECTRODE FOR SECONDARY BATTERY, SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF

• Main Authors: UNEMOTO ATSUSHI, IIJIMA ATSUSHI, UEDA KATSU, KAWAJI JUN
• Format: Patent
• Language: English; Japanese
• Published: 13.02.2020
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To improve safety of a battery.SOLUTION: The present invention relates to an electrode for secondary battery which includes an electrode active material, an electrode ion conduction material and a porous body and in which the electrode ion conduction material is held by the porous body, the porous body has a three-dimensional mesh structure and an average pore diameter of the porous body is 1 nm or more and 100 nm or less, or relates to a manufacturing method of the electrode for secondary battery including the steps of: preparing a mixture by mixing the electrode active material, a precursor which is a raw material of the porous body, and the electrode ion conduction material; and heating the mixture and preparing an electrode electrolyte that is a mixture of the porous body and the electrode ion conduction material, within the electrode for secondary battery.SELECTED DRAWING: Figure 4 【課題】電池の安全性を向上させる。【解決手段】電極活物質、電極イオン伝導材、および多孔体を含み、電極イオン伝導材が多孔体で保持され、多孔体は、三次元網目構造を有し、多孔体の平均空孔径は１ｎｍ以上１００ｎｍ以下である二次電池用電極、または、電極活物質、多孔体の原料となる前駆体、および電極イオン伝導材を混合して混合物を作製する工程と、混合物を加熱して、二次電池用電極内で多孔体および電極イオン伝導材の混合物である電極電解質を作製する工程と、を含む二次電池用電極の製造方法。【選択図】図４