Self‐supported VO2 on polydopamine‐derived pyroprotein‐based fibers for ultrastable and flexible aqueous zinc‐ion batteries oleh Jeong Seok Yeon, Sul Ki Park, Shinik Kim, Santosh V. Mohite, Won Il Kim, Gun Jang, Hyun‐Seok Jang, Jiyoung Bae, Sang Moon Lee, Won G. Hong, Byung Hoon Kim, Yeonho Kim, Ho Seok Park