ELECTRODE FOR POWER STORAGE DEVICE, POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING ELECTRODE FOR POWER STORAGE DEVICE

• Main Authors: NAKANO HIDEYUKI, MATSUBARA MASAHARU
• Format: Patent
• Language: English; Japanese
• Published: 23.08.2023
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; CHEMISTRY; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

To increase the energy density of a power storage device.SOLUTION: An electrode of a power storage device according to the present disclosure includes an electrode active material made of a Si-Al alloy. Further, a method for manufacturing an electrode for a power storage device according to the present disclosure includes an electrode formation step of melting a raw material containing Si and Al and rapidly solidifying the raw material by a roll cooling method to obtain a plate-shaped Si-Al alloy as an electrode for a power storage device.SELECTED DRAWING: None 【課題】蓄電デバイスのエネルギー密度をより高める。【解決手段】本開示の蓄電デバイス用電極は、Ｓｉ－Ａｌ合金からなる電極活物質を有する。また、本開示の蓄電デバイス用電極の製造方法は、ＳｉとＡｌとを含む原料を溶融しロール冷却法によって急冷凝固させ、板状のＳｉ－Ａｌ合金を蓄電デバイスの電極として得る電極化工程、を含む。【選択図】なし