Nonaqueous secondary battery and method for manufacturing nonaqueous secondary battery

• Main Authors: SUGURO MASAHIRO, OJI YURIKA, KUBO TERUHIKO, MIO SHIGERU, SHIMIZU YUSUKE, NOGI HIDENOBU
• Format: Patent
• Language: Chinese; English
• Published: 31.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

This nonaqueous secondary battery is provided with: a nonaqueous electrolyte solution containing a compound (A) represented by formula (I); a positive electrode containing a positive electrode active material, the positive electrode active material containing a compound (B) represented by formula (II); and a negative electrode. The content of the compound (A) is more than 0% by mass and less than 1.0% by mass with respect to the total amount of the non-aqueous electrolyte solution. In formula (I), X + represents one selected from the group consisting of hydrogen ions, lithium ions, sodium ions, and potassium ions. In the formula (II), 0.1 < = a < 1.3, 0.1 < 1-b-c < 1.0, 0 < b < 0.6, and 0 < c < 0.6. And (II) imgabs0 # Lia Ni (1-b-c) CobMncO2. 非水系二次电池具备：非水电解液，所述非水电解液包含下述式(I)表示的化合物(A)；正极，所述正极包含正极活性物质，所述正极活性物质包含下述式(II)表示的化合物(B)；和负极。相对于前述非水电解液的总量而言，前述化合物(A)的含量大于0质量％且小于1.0质量％。式(I)中，X+表示选自氢离子、锂离子、钠离子、及钾离子中的1种。式(II)中，0.1≤a＜1.3，0.1＜1-b-c＜1.0，0＜b＜0.6，0＜c＜0.6。#imgabs0#LiaNi(1-b-c)CobMncO2  (II)。