Beijing’s campaign to curb disorderly low-price market competition – neijuan in Chinese or involution – has reached the energy storage sector, with new rules shortening payment cycles and the financial pressure expected to ripple through leading players.A payment cap, released by the China Automotive Battery Innovation Alliance (Cabia) and the China Energy Storage Alliance on Monday, covers both electric vehicle (EV) and energy storage batteries and aims to build a mutually beneficial industrial ecosystem.Under the guidelines, buyers of materials and components must complete inspection and acceptance within seven working days of receipt, while EV and energy storage battery makers must…