REDOX FLOW BATTERY AND REDOX FLOW BATTERY SYSTEM

• Main Authors: YOSHIMOTO NAOKI, SUGIMASA MASATOSHI, ANDO MASAHIKO
• Format: Patent
• Language: English; Japanese
• Published: 09.03.2017
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

PROBLEM TO BE SOLVED: To provide a redox flow battery capable of miniaturizing a system while maintaining energy conversion efficiency and reliability thereof at levels equal to or greater than those of conventional ones, and a redox flow battery system.SOLUTION: A redox flow battery according to the present invention includes a positive electrode chamber including a positive electrode, a negative electrode chamber including a negative electrode, a barrier membrane partitioning between the positive electrode chamber and the negative electrode chamber, an electrolyte filled in the positive electrode chamber and the negative electrode chamber, and a housing receiving the positive electrode chamber, the negative electrode chamber, the barrier membrane, and the electrolyte, the electrolyte containing an active material reversibly causing an oxidation reduction reaction by light energy.SELECTED DRAWING: Figure 2 【課題】エネルギー変換効率および信頼性を従来と同等以上に維持しつつ、システムの小型化を実現することが可能なレドックスフロー電池およびレドックスフロー電池システムを提供する。【解決手段】本発明に係るレドックスフロー電池は、正極を有する正極室と、負極を有する負極室と、前記正極室と前記負極室とを仕切る隔膜と、前記正極室および前記負極室に充填された電解液と、前記正極室、前記負極室、前記隔膜および前記電解液を収容する筐体と、を備え、前記電解液が、光エネルギーによって可逆的に酸化還元反応を起こす活物質を含むことを特徴とする。【選択図】図２