Bipolar electrode for metal hydride battery, metal hydride battery provided with bipolar electrode, method for manufacturing bipolar electrode for metal hydride battery, and method for manufacturing metal hydride battery

• Main Authors: HORIE, SHINICHIRO, TERASHIMA DAIKI, CHUJO YUKI, MATSUURA KYOHEI, OUCHI MASANOBU, NAKAMURA TOMOHIRO, KAIYA HIROYUKI, KAWABATA, YUTARO, OKANISHI, TAKEOU, YOSHIOKA KOH, HIROSE TAKAYUKI, KODAMA MASASHI, OKUDA MOTOAKI, KOYANAGI TOSHIFUMI, OKUMURA MOTOYOSHI
• Format: Patent
• Language: Chinese; English
• Published: 08.12.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A bipolar electrode (100) for a metal hydride battery is provided with: a current collector (10); a negative electrode active material layer (20) provided on a first surface (10A) of the current collector (10); and a positive electrode active material layer (30) provided on the second surface (10B) of the current collector (10). The negative electrode active material layer (20) contains a metal hydride. The current collector (10) has a steel sheet (13) and a Ni-Fe alloy layer (15) formed on at least one surface of the steel sheet (13). 一种金属氢化物电池的双极电极(100)，具备：集电体(10)；负极活性物质层(20)，其设置在集电体(10)的第1面(10A)；以及正极活性物质层(30)，其设置在集电体(10)的第2面(10B)。负极活性物质层(20)包含金属氢化物。集电体(10)具有钢板(13)和形成在钢板(13)的至少一个面的Ni-Fe合金层(15)。