Polymer, solid electrolyte, solid electrolyte composition, inorganic solid electrolyte composition, solid electrolyte containing sheet, secondary battery, all solid state secondary battery, method for producing solid electrolyte containing sheet, method for producing inorganic solid electrolyte containing sheet, secondary Battery manufacturing method and all-solid-state secondary battery manufacturing method

摘要

PROBLEM TO BE SOLVED: To provide a polymer that does not easily decrease in ion conductivity even at low temperature and gives a battery excellent durability, an inorganic solid electrolyte composition and a method for producing a total solid secondary battery using these materials.SOLUTION: A polymer has a unit structure including a structure represented by the formula (D) and has a glass transition temperature of 90°C or less (ring α is a ring structure; Lis a linking group with the smallest number of atoms of three or more to link * and Ltogether; Land Lindependently represent -O-, -S-, -SO-, -C(=O)-O-, -O-C(=O)-, -O-C(=O)-O-, -NRa-C(=O)-, -C(=O)-NRa- or -NRb-C(=O)-NRc-; Ra, Rb and Rc; Ris H or a substituent; n1 is 1 or 2; * is a bond to a polymer main chain; where, the smallest number of atoms to link Land Ltogether is 3 or less).SELECTED DRAWING: None