Invention Grant
- Patent Title: Lithium phosphate derivative compounds as Li super-ionic conductor, solid electrolyte and coating layer for lithium metal battery and lithium-ion battery
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Application No.: US17342584Application Date: 2021-06-09
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Publication No.: US11705577B2Publication Date: 2023-07-18
- Inventor: Yifei Mo , Qiang Bai , Xingfeng He , Chen Ling
- Applicant: UNIVERSITY OF MARYLAND, COLLEGE PARK , TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
- Applicant Address: US MD College Park
- Assignee: UNIVERSITY OF MARYLAND, COLLEGE PARK,TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
- Current Assignee: UNIVERSITY OF MARYLAND, COLLEGE PARK,TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
- Current Assignee Address: US MD College Park; US TX Plano
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- The original application number of the division: US16264445 2019.01.31
- Main IPC: H01M10/0562
- IPC: H01M10/0562 ; H01M10/0525

Abstract:
Electrodes containing lithium phosphate derivative materials and batteries with such electrodes are provided. The lithium phosphate derivative compounds contain an anionic framework capable of conducting lithium ions and have an activation energy from 0.2 to 0.45 eV and conductivities from 0.01 to 10 mS/cm at 300K. Materials of specific formulae are provided and methods to alter the composite materials with inclusion of aliovalent ions shown.
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