公开(公告)号：US20220021025A1

公开(公告)日：2022-01-20

申请号：US17477313

申请日：2021-09-16

申请人： QuantumScape Battery, Inc.

发明人： Cheng-Chieh CHAO ,  Zhebo CHEN ,  Lei CHENG ,  Niall DONNELLY ,  Tim HOLME ,  Tommy HUANG ,  Sriram IYER ,  Kian KERMAN ,  Harsh MAHESHWARI ,  Jagdeep SINGH ,  Gengfu XU

IPC分类号： H01M10/0562 ,  H01M10/0525 ,  H01M10/052

摘要： Provided herein are detect-free solid-state separators which are useful as Li| ion-conducting electrolytes in electro-chemical cells and devices, such as, but not limited to, rechargeable batteries. In some examples, the separators have a Li+ ion-conductivity greater than 1*10−3 S/cm at room temperature.

公开(公告)号：US20210344040A1

公开(公告)日：2021-11-04

申请号：US17283014

申请日：2019-10-16

申请人： QUANTUMSCAPE BATTERY, INC.

发明人： Niall DONNELLY ,  Sriam IYER ,  Jagdeep SINGH ,  Gengfu XU ,  Jordan FRIEDLAND ,  Hutha SARMA ,  Nima SHAH ,  Dong Hee Anna CHOI

IPC分类号： H01M10/0562 ,  C04B35/48 ,  C04B35/622 ,  C04B35/634 ,  C04B35/64 ,  C04B35/638 ,  H01M10/0525

摘要： Set forth herein are processes and materials for sintering dense thin green films comprising lithium-stuffed garnet powder and a binder to obtain sintered lithium-stuffed garnet thin films. Some of the processes, herein, include providing a first setter and a second setter, wherein the first setter and second setter each include at least 5 atomic % lithium (Li) per setter; placing the green film on the first setter; placing the second setter within 2 cm of the green film but not in contact with the green film; and heating the green film to at least 900 C.