POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

To provide a positive electrode for a nonaqueous electrolyte secondary battery, by which the battery performance such as electric resistance and cycle characteristics can also be improved while the safety is improved by sufficiently suppressing the increase in battery internal temperature.SOLUTION: A positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode current collector, a positive electrode mixture layer stacked on the positive electrode current collector, and a flame-resistant layer stacked on a surface of the positive electrode mixture layer on a side opposite to the current collector. The flame-resistant layer contains a composite particle containing metal hydroxide and a flame-resistant agent. The amount of desorption P2 (MS1) of the composite particle from 80°C to 1400°C according to Thermal Desorption Spectroscopy - Mass Spectrometry (TDS-MS) is 200×10-6 mol/g or more and 2500×10-6 mol/g or less. The amount of desorption H2O (MS2) of the composite particle from 80°C to 200°C according to TDS-MS is 50×10-6 mol/g or more and 1000×10-6 mol/g or less.SELECTED DRAWING: Figure 1 【課題】電池の内部温度の上昇を十分に抑制して安全性を向上させながらも、電気抵抗やサイクル特性等の電池性能についても向上させることができる非水電解質二次電池用正極を提供する。【解決手段】正極集電体と、該正極集電体上に積層された正極合剤層と、前記正極合剤層の前記集電体とは反対側の面に積層された難燃化層とを備え、前記難燃化層が、金属水酸化物と難燃化剤とを含む複合粒子を含有するものであり、前記複合粒子の昇温脱離ガス質量分析計（ＴＤＳ－ＭＳ）による８０℃から１４００℃までの脱離Ｐ２量（ＭＳ１）が２００×１０-6ｍｏｌ／ｇ以上２５００×１０-6ｍｏｌ／ｇ以下であり、ＴＤＳ－ＭＳによる８０℃から２００℃までの脱離Ｈ２Ｏ量（ＭＳ２）が５０×１０-6ｍｏｌ／ｇ以上１０００×１０-6ｍｏｌ／ｇ以下である、非水電解質二次電池用正極。【選択図】図１