Solid lithium conductor lithium battery including the conductor and methods of manufacturing thereof

• Main Authors: CHO JEONG JU, WANG ERIC, MIARA LINCOLN
• Format: Patent
• Language: English; Korean
• Published: 10.06.2020
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; CONDUCTORS; ELECTRICITY; INORGANIC CHEMISTRY; INSULATORS; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES

Provided are a compound having increased electrochemical stability and stability in the air, an electrolyte composition including the same, a separation membrane, a positive electrode active material, a lithium battery, and a manufacturing method thereof. According to the present invention, the compound is represented by Li_((2 + (6 - a)α) + (b - 2)_γ)W_(1 - α)M^a _αO_(4 - γ - δ)A^b _γ, wherein M is one or more selected from cationic elements with an atomic value a, A is an anion with an atomic value -b, δ is the content of oxygen vacancies, 3 <= a <= 5, 1 <= b <= 3, 0 <= α <= 0.5, 0 <= γ <= 0.3, and 0 <= δ <= 0.1. 하기 화학식 1로 표시되는 화합물, 이를 포함하는 전해질 조성물, 분리막, 양극 활물질, 리튬전지 및 그 제조방법이 제공된다. <화학식 1> LiWMOA화학식 1 중, M은 원자가 a의 양이온 원소중에서 선택된 하나 이상이며, A는 원자가 -b의 음이온이며, δ는 산소 공공(oxygen vacancy)의 함량이고, 3≤a≤5, 1≤b≤3, 0≤α≤0.5, 0≤γ≤0.3, 및 0≤δ≤0.1이다.