DEVICE AND METHOD FOR TESTING LIFE OF ELECTRODE MATERIAL OF REDOX FLOW CELL

• Main Authors: NEGISHI AKIRA, KATO TORU, NARITA AYUMI, SATO YASU, KANEKO YUJI, NOZAKI TAKESHI
• Format: Patent
• Language: English; Japanese
• Published: 02.11.2017
• 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 device and a method for testing which can test the electrode performance of a flow cell on a long-term basis with reduce maintenance, less space, and lower cost.SOLUTION: The present invention relates to an electrode material life testing device 1 used for examining degradation in the electrode material of cell bodies 100 to 500 by serially connecting a plurality of cell bodies 100 to 500 of a redox flow cell. The device includes: a power supply circuit for electrically connecting the negative electrode of a first cell body and the positive electrode of a second cell body 200, for example, in the cell bodies 100 to 500, the first and second cell bodies being adjacent to each other, and connecting one direct current power source 800 to a part of the electric connection; and an electrolyte circulation path for flowing an electrolyte 610 from the positive electrode of the first cell body to the negative electrode of the first cell body and from the negative electrode of the first cell body to the positive electrode of the second cell body, the electrolyte circulation path having a tank 600 and a pump 700 in the middle of the path, the tank 600 storing an electrolyte 610 and the pump 700 circulating the electrolyte 610 in the path.SELECTED DRAWING: Figure 2 【課題】メンテナンスを少なくし、小さなスペースで、かつ低コストでレドックスフロー電池の電極性能を長期的に試験可能な装置及び試験方法の提供。【解決手段】レドックスフロー電池を構成するセル本体１００〜５００を複数個直列に接続して、セル本体１００〜５００の電極材料の劣化を調べるために用いる電極材料寿命試験装置１であって、互いに隣接する２つのセル本体１００〜５００の内の例えば第一セル本体の負極と第二セル本体２００の正極とを電気的に接続し、その電気的な接続の一部に１つの直流電源８００を接続した給電回路と、第一セル本体の正極から第一セル本体の負極、第一セル本体の負極から第二セル本体の正極へと電解液６１０を流す経路であって、当該経路の途中に電解液６１０を貯留するためのタンク６００と電解液６１０を当該経路において循環させるポンプ７００とを介して形成される電解液循環経路と、を備える電極材料寿命試験装置。【選択図】図２