Murata Manufacturing and QuantumScape Collaborate on Mass Production of Ceramic Separators for Solid-State Batteries. According to foreign media reports, Murata Manufacturing Co., Ltd. (referred to as Murata Manufacturing) and QuantumScape Corporation (referred to as QuantumScape) have recently reached an agreement to jointly explore the mass production of ceramic separators for QuantumScape's solid-state battery technology. The two parties will combine Murata Manufacturing's technical expertise in ceramic manufacturing with QuantumScape's innovative battery technology to jointly advance the mass production process of ceramic separators required for solid-state batteries.